Relevant bibliographies by topics / High strength concrete (HSC)

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  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'High strength concrete (HSC)'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 January 2023

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Journal articles on the topic "High strength concrete (HSC)"

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Singh, Ramanpreet, Gurprit Singh Bath, and Manjeet Bansal. "Study of High Strength Concrete Using Microsilica." International Journal of Emerging Research in Management and Technology 6, no. 8 (June 25, 2018): 414. http://dx.doi.org/10.23956/ijermt.v6i8.174.

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The framework of bridges, buildings, roads etc. need concrete. The concrete which is being used is not able to fulfil the contemporaneous needs. In India High Strength Concrete (HSC) is preferred for manufacturing practices and at the same time High Performance Concrete is used at high level. The properties of HSC are improved like mechanical and durability are improved by using silica fume in concrete. HSC has made the work of construction company more rewarding to design tall, long and light structures. HSC is helpful in designing buildings with good number of floors, wide area bridges and slim structure. The products like fly-ash, copper slag, silica fume etc. are produced by industries which leads to various environmental problems. The experiment on silica was done which stated that no strength is lost in silica-fume concretes. The experiment comprises four levels of silica-fume at the rate of 0%, 5.5%, 8.0%,9.5% and 11.0% which results high strength concrete.
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Xiao, Robert Y., and Samson Ezekiel. "Constitutive Model for High Strength Concrete (HSC) at Elevated Temperatures." International Journal of Engineering and Technology 5, no. 5 (2013): 550–55. http://dx.doi.org/10.7763/ijet.2013.v5.616.

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Elbasha, Nuri Mohamed. "LIGHTER HIGH STRENGTH CONCRETE BEAM." Scientific Journal of Applied Sciences of Sabratha University 2, no. 2 (September 27, 2019): 17–26. http://dx.doi.org/10.47891/sabujas.v2i2.17-26.

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High strength concrete (HSC) has been used extensively in civil construction projects worldwide because it reduces the cross section and the weight of long construction members. In recent years a marked increase in the use of High Strength Concrete (HSC) has been evident in Australian building construction despite the fact that the current Australian design standard provides no design rules for such a material. Very limited information on the properties of HSC and its design and construction processes are available in Australia, although in recent times many studies have been undertaken to produce material and, more importantly, to determine its characteristic. In the last 20 years there has been extensive research to economically utilize new components to improve the quality of HSC. HSC produces smaller but stronger structural elements with large spaces available. It has been studied that the cost of using HSC instead of Normal Strength Concerete (NSC) in different types of constructions. This proved that structures constructed with HSC are lighter and economical compared with those constructed with NSC. In the long term durability significantly affects project costs. In other words after several years a concrete structure needs rehabilitation or in critical cases must be demolished, therefore the price of a project consists of initial costs plus those covering any rehabilitation. A huge amount of money could be saved by utilizing the durability characteristics of high strength concrete. This study presents recent information and the benefits of high strength concrete. Also, provides in brief an experimental proof that installing a helix with a suitable pitch and diameter in the compression zone of beams significantly enhances their strength and ductility. Therefore, designers could confidently use high-strength concrete and helical confinement to design long and light reinforced concrete beams.
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Chen, Xiao Bo, Jian Yin, and Wei Min Song. "Autogenous Volume Deformation and Creep Properties Analysis of C60 High Performance Concrete and C60 High Strength Concrete." Advanced Materials Research 639-640 (January 2013): 364–67. http://dx.doi.org/10.4028/www.scientific.net/amr.639-640.364.

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Based on engineering practice, autogenous volume deformation and creep properties of C60 high performance concrete(C60 HPC) and C60 high strength concrete(C60 HSC) were evaluated in the study. The results showed that the cement partly-replaced with fly ash could significantly decrease the creep deformation, creep coefficient and creep degree. In comparison with C60 HSC, the creep coefficient and creep degree of C60 HPC were decreased 17.9％and15.8％ in 28 days, 22.9% and 21.0% in 270 days. For C60 HPC and C60 HSC at the same age, autogenous volume deformation of C60 HPC is greater than that of C60 HSC, but they were both less than 80×10-6 , and the autogenous volume deformation was basically completed in 7 days.
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Lu, Zhao Hui, Yan Gang Zhao, and Zhi Wu Yu. "Strain of High-Strength Concrete at Peak Compressive Strength." Advanced Materials Research 446-449 (January 2012): 161–65. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.161.

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The paper discusses the strain of high-strength concrete (HSC) at peak compressive strength for a wide range of compressive strength. A large volume of selected experimental data has been collected from existing literature and then analyzed. Particular emphasis has been given to studying the effects of concrete compressive strength and the types of coarse aggregate on the strain of HSC at peak compressive strength. The adequacy and applicability of the existing models for predicting the strain of HSC at peak compressive strength has been critically examined, and a new empirical model is proposed to cover concrete strength up to 125 MPa. The new empirical model seems to perform much better when applied to the published experimental data on normal weight concrete over a wide strength range.
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Srikanth, Sreddy. "Durability Studies on High Strength Concrete." Pakistan Journal of Scientific Research 2, no. 1 (June 30, 2022): 17–21. http://dx.doi.org/10.57041/pjosr.v2i1.22.

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High strength concrete (HSC) is very useful for recent construction technology; the major problem of HSC is the insufficient ductility. To investigate the ductility of HSC, the entire stress-strain curve, especially in the descending branch, shall be recorded. The aim of this study is to investigate the durability of High strength concrete for different replacement levels of mineral admixtures by alternate wetting and drying phenomenon which includes; acid attack, sulphate resistance and marine Environment and also to determine the compressive strength of concrete as GGBFS partial replacement for cement. Concrete mix is designed for M80 Grade of concrete using modified ACI method. Maximum Compressive Strength of 96.4MPa and 91.6 MPa at 28days were found for the HSC specimens at a partial replacement of cement with 30% of GGBFS in normal water curing and accelerated curing tank respectively. The specimens immersed in marine solution were found to have less weight loss when compared to acids and sulphate solution.
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Vasilenko, Anastasia, Dmitry Chernogorsky, Dmitry Strakhov, and Leonid Sinyakov. "High-strength concrete eccentrically compressed elements." E3S Web of Conferences 140 (2019): 02017. http://dx.doi.org/10.1051/e3sconf/201914002017.

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The article is devoted to the analysis of technical and economic efficiency of application of high-strength concrete (HSC) in the eccentrically compressed columns. In the first part of the paper, the effect of concrete grade on in-creasing the column stiffness depending on steel ratio at different values of the relative eccentricity is considered. According to the results of the calculation, application of HSC is most effective at low values of the relative ec-centricity because increasing the concrete strength leads to more intensive increasing of column stiffness than increasing of steel ratio. In the second part of the paper, the material cost of the 1 linear meter of the column is calculated at the fixed value of column stiffness and application domain of HSC is defined in the case under consideration. In addition, load characteristics providing the efficiency of HSC application in the eccentrically compressed columns are determined.
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Elsanadedy, Hussein M. "Residual Compressive Strength of High-Strength Concrete Exposed to Elevated Temperatures." Advances in Materials Science and Engineering 2019 (May 28, 2019): 1–22. http://dx.doi.org/10.1155/2019/6039571.

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High-strength concrete (HSC) has several well-known technical, aesthetic, and economic advantages over normal-strength concrete (NSC), which explains the increasing popularity of the former material in the construction domain. As in the case of NSC, however, high temperature adversely affects HSC mechanical properties even more than in NSC, as indicated by the many studies performed so far on HSC at high temperature (hot properties) or past a thermal cycle at high temperature (residual properties). Since many code provisions concerning concrete properties versus high temperature were developed for ordinary concrete and the available models (in terms of stress-strain relationship) come mostly from the tests on NSC—as the tests on HSC are less numerous—developing predictive relationships for HSC exposed to high temperature is still an open issue, especially with reference to many parameters affecting concrete compressive strength, like temperature as such, heating rate, water-to-binder ratio, and strength in compression, to cite the most relevant parameters. To this purpose, a large database (more than 600 tests) is examined in this paper, which is focused on HSC residual properties and on the variables affecting its residual strength. Available design models from various guidelines, standards, codes, and technical reports are tested against the database, and new regression-based models and design formulae are proposed for HSC strength in compression, after the exposure to high temperature.
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Vincent, Thomas, and Togay Ozbakkloglu. "An Experimental Study on the Compressive Behavior of CFRP-Confined High- and Ultra High-Strength Concrete." Advanced Materials Research 671-674 (March 2013): 1860–64. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.1860.

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It is well established that external confinement of concrete with fiber reinforced polymer (FRP) sheets results in significant improvements on the axial compressive behavior of concrete. This understanding has led to a large number of experimental studies being conducted over the last two decades. However, the majority of these studies have focused on normal strength concretes (NSC) with compressive strengths lower than 55 MPa, and studies on higher strength concretes have been very limited. This paper presents the results of an experimental study on the compressive behavior of FRP confined high- and ultra high-strength concrete (HSC and UHSC) with average compressive strengths of 65 and 100 MPa. A total of 29 specimens were tested under axial compression to investigate the influence of key parameters such as concrete strength and method of confinement. All specimens were cylindrical, confined with carbon FRP and were 305 mm in height and 152 mm in diameter. Results obtained from the laboratory testing were graphically presented in the form of axial stress-strain relationships and key experimental outcomes are discussed. The results of this experimental study indicate that above a certain confinement threshold, FRP-confined HSC and UHSC exhibit highly ductile behavior. The results also indicate that FRP-wrapped specimens perform similar to concrete-filled FRP tube (CFFT) specimens at ultimate condition, however notable differences are evident at the transition region when comparing stress-strain curves.
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Yang, In-Hwan, Changbin Joh, and Kyoung-Chul Kim. "A Comparative Experimental Study on the Flexural Behavior of High-Strength Fiber-Reinforced Concrete and High-Strength Concrete Beams." Advances in Materials Science and Engineering 2018 (September 4, 2018): 1–13. http://dx.doi.org/10.1155/2018/7390798.

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The flexural responses of high-strength fiber-reinforced concrete (HSFRC) beams and high-strength concrete (HSC) beams are compared in this study. A series of HSFRC and HSC beams were tested under pure flexural loading. The effects of the type of concrete, compressive strength of the concrete, and tensile rebar ratio on the flexural behavior of the concrete beams were investigated. The flexural behavior of the HSFRC and HSC beams including the induced crack and failure patterns, load and deflection capacity, crack stiffness, ductility index, and flexural toughness was compared. The crack stiffness of the HSC and HSFRC beams increased with the rebar ratio. For the same rebar ratios, the crack stiffness of the HSFRC beams was much greater than that of the HSC beams. The ductility index of the HSC beams decreased sharply with an increase in the rebar ratio, but the ductility index of the HSFRC beams did not show a clear decrease with increasing rebar ratio. The flexural toughness of the HSFRC beams was greater than that of the HSC beams at higher rebar ratios of 1.47% and 1.97%, indicating that the energy absorption of the HSFRC beams was greater than that of the HSC beams. Test results also indicated that HSFRC developed better and more consistent ductility with higher rebar ratio. In addition, the tested bending strength and sectional analysis results were compared.
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Dissertations / Theses on the topic "High strength concrete (HSC)"

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Li, Yang. "Blast Performance of Reiforced Concrete Beams Constructed with High-Strength Concrete and High-Strength Reinforcement." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35261.

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This thesis focuses on the dynamic and static behaviour of reinforced concrete beams built using high-strength concrete and high-strength steel reinforcement. As part of this study, a total of 8 high-strength concrete beams, built with and without steel fibres, and reinforced with high strength ASTM A1035 bars are tested under simulated blast loading using the University of Ottawa shock-tube, with an additional 3 companion beams tested under quasi-static loading. The variables considered in this study include: concrete type, fibre content, steel reinforcement ratio and steel reinforcement type. The behaviour of the beams with high-strength steel bars is compared to a companion set of beams reinforced with conventional steel reinforcement. The criteria used to evaluate the blast performance of the beams includes: overall blast capacity, maximum and residual displacements, secondary fragmentation and crack control. The dynamic results show that high strength concrete beams reinforced with high-strength steel are able to resist higher blast loads and reduce displacements when compared to companion beams with conventional steel reinforcement. The results also demonstrate that the addition of steel fibres is effective in controlling crack formation, minimizing secondary blast fragments, reducing displacements and further increasing overall blast capacity. However, the use of high-strength steel and high-strength concrete also shows potential for brittle failures under extreme blast pressures. The static results show that specimens with high-strength steel bars do not increase beam stiffness, but significantly increase peak load carrying capacity when compared to beams with the same ratio of conventional steel reinforcement. The analytical research program aims at predicting the response of the test beams using dynamic inelastic single-degree-of-freedom (SDOF) analysis and includes a sensitivity analysis examining the effect of various modelling parameters on the response predictions. Overall the analytical results demonstrate that SDOF analysis can be used to predict the blast response of beams built with high-strength concrete and steel reinforcement with acceptable accuracy.
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Azizipesteh, Baglo Hamid Reza. "Effect of various mix parameters on the true tensile strength of concrete." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12560.

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The primary aim of this research was to develop a method for determining the true uniaxial tensile strength of concrete by conducting a series of cylinder splitting, modulus of rupture (MOR) and cylinder/cube compression tests. The main objectives were: • Critically reviewing previous published research in order to identify gaps in current knowledge and understanding, including theoretical and methodological contributions to the true uniaxial tensile strength of concrete. In order to maintain consistency and increase the reliability of the proposed methods, it is essential to review the literature to provide additional data points in order to add additional depth, breathe and rigor to Senussi's investigation (2004). • The design of self compacting concrete (SCC), normal strength concrete (NSC) and high strength concrete (HSC) mixes and undertaking lab-based experimental works for mixing, casting, curing and testing of specimens in order to establish new empirical evidence and data. • Analysing the data, presenting the results, and investigating the application of validity methods as stated by Lin and Raoof (1999) and Senussi (2004). • To draw conclusions including comparison with previous research and literature, including the proposal of new correction factors and recommendations for future research. 29 batches of NSC, 137 batches of HSC, 44 batches of fly ash SCC and 47 batches of GGBS SCC were cast and their hardened and fresh properties were measured. Hardened properties measured included: cylinder splitting strength, MOR, cylinder compressive strength and cube compressive strength. A variety of rheological tests were also applied to characterise the fresh properties of the SCC mixes, including: slump flow, T50, L-box, V-funnel, J-ring and sieve stability. Cylinders were also visually checked after splitting for segregation. The tensile strength of concrete has traditionally been expressed in terms of its compressive strength (e.g. ft = c x c f ). Based on this premise, extensive laboratory testing was conducted to evaluate the tensile strength of the concretes, including the direct tension test and the indirect cylinder splitting and MOR tests. These tests however, do not provide sufficiently accurate results for the true uniaxial tensile strength, due to the results being based upon different test methods. This shortcoming has been overcome by recently developed methods reported by Lin and Raoof (1999) and Senussi (2004) who proposed simple correction factors for the application to the cylinder splitting and MOR test results, with the final outcome providing practically reasonable estimates of the true uniaxial tensile strength of concrete, covering a wide range of concrete compressive strengths 12.57 ≤ fc ≤ 93.82 MPa, as well as a wide range of aggregate types. The current investigation has covered a wide range of ages at testing, from 3 to 91 days. Test data from other sources has also been applied for ages up to 365 days, with the test results reported relating to a variety of mix designs. NSC, SCC and HSC data from the current investigation has shown an encouraging correlation with the previously reported results, hence providing additional wider and deeper empirical evidence for the validity of the recommended correction factors. The results have also demonstrated that the type (size, texture and strength) of aggregate has a negligible effect on the recommended correction factors. The concrete age at testing was demonstrated to have a potentially significant effect on the recommended correction factors. Altering the cement type can also have a significant effect on the hardened properties measured and demonstrated practically noticeable variations on the recommended correction factors. The correction factors proved to be valid regarding the effects of incorporating various blended cements in the HSC and SCC. The NSC, HSC and SCC showed an encouraging correlation with previously reported results, providing additional support, depth, breadth and rigor for the validity of the correction factors recommended.
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Yahya, Mohmed Alkilani. "The effect of polymer materials on the fracture characteristics of high performance concrete (HPC)." Thesis, Edinburgh Napier University, 2015. http://researchrepository.napier.ac.uk/Output/464157.

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Compared with most construction materials, concrete is considered as a brittle material, and its brittleness increases with the compressive strength. For super-high-strength concrete, failure can be sudden, explosive and disastrous. Also the tensile strength is not proportionally increased. Therefore, it is necessary to carry out research on the brittleness of concrete in order to establish parameters for assessing the brittleness, find ways to improve the brittleness and tensile strength, and eventually design and manufacture concrete materials with high strength and low brittleness. In this study, strengthening and toughening effects of polymer materials on the high performance concrete (HPC) were investigated. The HPC was manufactured using ordinary Class 52.5 N Portland cement, silica fume and superplasticizer. The adopted polymers included the styrene-butadiene-rubber (SBR) latex, polyvinylidene chloride (PVDC), linear low density polyethylene (LLDPE) and high density polyethylene (HDPE) with contents of 1.5%, 3% and 5% in weight of cement content. The measured material and fracture properties included compressive and tensile strengths, modulus of rupture, Young's modulus, fracture energy, fracture toughness and brittleness. The test results at 28 days indicate that the addition of 1.5% and 3% SBR, PVDC, LLDPE and HDPE into the HPC could largely improve the compressive strength by up to 15.7%, while the addition of 5% SBR, LLDPE and HDPE did not show any enhancement except for 5% PVDC which increased the compressive strength by 10.9%. The tensile strength was considerably increased for all dosages of polymers, with the maximum increases of 72.7% and 83.2% for 3% SBR and 1.5% LLDPE, respectively. The fracture energy were also enhanced by adding 1.5% SBR and all dosages of LLDPE, with a maximum increase of 24.3%, while there were no indications of enhancement for other dosages of polymers. The modulus of rupture, fracture toughness and Young's modulus were not improved for lower dosages of polymers but slightly decreased for higher dosages. The brittleness decreased monotonically with increasing amount of LLDPE, but it increased with increasing amounts of SBR, PVDC and HDPE.
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Portolés, Flaj José Manuel. "Estudio experimental y numérico de soportes tubulares circulares de acero esbeltos rellenos de hormigón de alta resistencia." Doctoral thesis, Universitat Jaume I, 2010. http://hdl.handle.net/10803/669145.

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En los últimos años la utilización de perfiles tubulares de acero rellenos de hormigón (CFT) se ha incrementado debido a su excelente comportamiento frente al sismo, alta resistencia, alta ductilidad y la gran capacidad de absorción de energía. Aunque España y en particular la Comunidad Valenciana no son zonas de riesgo sísmico elevado, el uso de este tipo de pilares ofrece también otras ventajas, como por ejemplo el incremento en la velocidad del proceso de construcción, la posibilidad de estandarización de las uniones y lo que es muy importante, una mayor resistencia al fuego. Por otra parte, el uso del hormigón de alta resistencia (HSC) en la construcción de estructuras de hormigón se está generalizando gracias al abaratamiento de su tecnología. La utilización de este material presenta enormes ventajas, sobre todo en elementos sometidos a axiles de compresión importantes, como ocurre en el caso de soportes de edificación o de pilas de puente. Sin embargo, el Eurocódigo 4, con el que de diseñan estas estructuras mixtas, queda limitado a hormigones de hasta 60 MPa. Dada la mayor resistencia seccional de las columnas CFT rellenas de HSC, es posible reducir su sección, para un mismo nivel de carga. De esta forma la esbeltez y los efectos de segundo orden cobran más importancia. En esta tesis doctoral se estudia el comportamiento de las columnas de acero, esbeltas, de sección circular, rellenas de hormigón de alta resistencia. Para ello se ha desarrollado una campaña experimental que ha sido ampliada con modelos numéricos. Se ha comprobado la validez del Eurocódigo 4 y se ha realizado un estudio paramétrico de las variables que influyen en la respuesta de estas columnas.
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Prazeres, Xavier Emídio Glórias. "Betão de elevada resistência para elementos muito esbeltos." Master's thesis, Universidade de Évora, 2011. http://hdl.handle.net/10174/11585.

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Esta dissertação pretendeu demonstrar a actual importância do desenvolvimento de betões de alta resistência na execução das mais variadas construções que vão surgindo com o avanço conjunto da tecnologia ao longo do tempo, atendendo não só a parâmetros relacionados com a resistência destes betões mas também a um dos factores que se tem vindo a tornar muito relevante na actualidade, o ambiente. Este trabalho envolve um caso de estudo que compreendeu numa primeira fase, a concepção de um betão de elevada resistência tendo por base a utilização dos princípios da pesquisa mencionados anteriormente. Seguidamente foram determinadas a propriedades mecânicas desse betão, sendo elas a resistência à compressão, módulo de elasticidade e fluência, em ensaios realizados ao longo de quatro meses. Conjuntamente com estes ensaios foram fabricadas, vigas de perfil em “I” de 1,10m de comprimento, 10cm de largura, 10cm de altura, 2 cm de espessura de alma e com 2cm ou 2,4cm de espessura de banzo submetidas à rotura semanalmente e mensalmente de forma a obter a solução mais eficaz entre armadura e betão. Concluiu-se que: É possível a concepção de um betão de elevada resistência utilizando os constituintes correntes na indústria da construção. O betão desenvolvido adequa-se à execução do tipo de vigas mencionadas ao longo do trabalho, apresentando estas, um grande potencial de desenvolvimento dado que têm elevadas resistências com pesos moderados. A metodologia de cálculo para o dimensionamento deste tipo de vigas é idêntica à utilizada no dimensionamento de peças normais; ### Abstract: High Strength Concrete for Very Slender Elements The main goal is to demonstrate the current importance of developing high-strength concrete. With the technology’s development, high-strength concrete has become very important in several constructions not only by the characteristics related to the concrete´s strength, but also in one of the factors that proved to be very relevant nowadays, the environment. Initially, it was made a case study in designing a high-strength concrete based on the use of research principles outlined above. In trials conducted over four months, we determine the mechanical properties of concrete which are compressive strength, modulus of elasticity and fluency. In order to obtain the most effective solution between armor and concrete, were fabricated beams in a "I" of 1.10 m long, 10 cm wide, 10 cm high, 2 cm web thickness with 2cm or 2.4 cm flange thickness weekly and monthly subjected to disruption. With the goal in mind it is possible to design a high-strength concrete using the current constituents in the construction industry. The concrete is suitable for implementing this type of beams mentioned throughout the work, have enormous potential because they have high resistance with only moderate weights. The calculation methodology for the design of such beams is identical to the design of normal pieces.
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Veleba, Ondřej. "Studium vlivu složení na mechanické vlastnosti vysokohodnotného betonu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2008. http://www.nusl.cz/ntk/nusl-216217.

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This work is devoted to study the influence of the composition on mechanical properties of high performance concret based on portland cement. 29 samples of high performance concrete (HPC) warying in composition were prepared. The constituents used for HPC preparation were: cement Aalborg White, silica fume, finelly ground blast furnace slag, finelly ground silica, calcinated bauxite and polycarboxylate based superplasticizer. The mechanical parameters (flexural and compressive strength) of the samples were observed after 7 and 28 days of moist curing. Compressive strength values after 28 days were in the range of 92 to 194 MPa and the flexural strength values were in the range of 7 to 23 MPa (without using of fiber reinforcement). The graphs showing mechanical parameters depending on the mixture composition were constructed and consequently evaluated.
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Halabi, Walid Charif. "High Strength concrete corbels." Thesis, University of Aberdeen, 1991. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU047734.

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Concrete is still the most widely used construction material of modern times. In very recent years attempts have been made by using steel fibre reinforcement to improve the inherent weaknesses that concrete possesses such as its low tensile strength and the tendency to shrink on drying and to creep under stress. In this context, the use of steel fibre reinforcement together with high strength concrete corbel joints has been investigated. This study came after fibre reinforced concrete had received wide recognition for its crack and deformation control, ductility and energy absorption characteristics. In the present study, the fracture behaviour and deformation characteristics of plain conventionally reinforced concrete corbels with and without steel fibre reinforcement has been investigated. The different types of steel fibres used and other experimental materials are described in chapter 3, whereas chapter 2 gives a review of the old and current design approaches used for concrete corbel design. In chapter 4 the deformation, cracking and ultimate strength of plain high strength concrete corbels has been studied with different cube strength ranged between 25 to 90 N/mm2. In chapter 5 a proposed theory to predict the ultimate strength of high and normal strength concrete corbels, conventionally reinforced, has been derived. The influence of steel fibre reinforcement on the performance of conventionally reinforced concrete corbels has been studied in chapter 6. Melt extract steel fibres were used in the majority of the corbels together with other types such as crimped, hooked and plastic fibres (polypropylene). In the same chapter 6, the theory has been extended to account for the strength gained by fibre addition. The effect of steel fibre reinforcement on the shear transfer strength has been studied in chapter 7. The theory proposed in chapter 5 has been further extended to predict the shear strength of 'push-off' type of specimens of plain and fibre reinforced concrete, with conventional steel reinforcement.
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Porras, Yadira A. "Durable high early strength concrete." Thesis, Kansas State University, 2018. http://hdl.handle.net/2097/38761.

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Master of Science
Department of Civil Engineering
Mustaque A. Hossain
Based on a 2017 report on infrastructure by the American Society of Civil Engineers, 13% of Kansas public roads are in poor condition. Furthermore, reconstruction of a two-lane concrete pavement costs between $0.8 and $1.15 million dollars per lane mile. High early strength Portland cement concrete pavement (PCCP) patches are widely used in pavement preservation in Kansas due to the ability to open to traffic early. However, these repairs done by the Kansas Department of Transportation (KDOT) deteriorate faster than expected, though, prompting a need for inexpensive, durable high early strength concrete repair mixtures that meet KDOT standards (i.e., a 20-year service life). This study developed an experimental matrix consisting of six PCCP patching mixture designs with varying cement content and calcium chloride dosage. The mixtures were subjected to isothermal calorimetry, strength testing, drying shrinkage, and various durability tests. The effects of cement content and calcium chloride dosage on concrete strength and durability were then investigated. In addition, the compressive strength development with time, the split tensile versus compressive strength relationship, and the shrinkage strain of the PCCP patching mixtures were compared to established relationships provided by the American Concrete Institute (ACI). Results showed a maximum 3% increase in total heat generated by various concrete paste samples in isothermal calorimetry testing. The minimum compressive strength of 1,800 psi required by KDOT could likely be obtained using any of the PCCP mixtures, regardless of the cement content or calcium chloride dosage used in the study. Furthermore, surface resistivity tests for mixtures containing calcium chloride could result in erroneous measurements. Only one mixture satisfied the maximum expansion and minimum relative dynamic modulus of elasticity required by KDOT. Some ACI relationships for shrinkage and strength development do not appear to be valid for high early strength PCCP patching mixtures.
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El-Baden, Ali Said Ahmed. "Shrinkage of high strength concrete." Thesis, Cardiff University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531983.

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Zaina, Mazen Said Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Strength and ductility of fibre reinforced high strength concrete columns." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2005. http://handle.unsw.edu.au/1959.4/22054.

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The main structural objectives in column design are strength and ductility. For higher strength concretes these design objectives are offset by generally poor concrete ductility and early spalling of the concrete cover. When fibres are added to the concrete the post peak characteristics are enhanced, both in tension and in compression. Most of the available experimental data, on fibre reinforced concrete and fibre reinforced high strength concrete columns, suggest that an improvement in both ductility and load carrying capacity due to the inclusion of the fibres. In this thesis the ductility and strength of fibre reinforced high strength concrete are investigated to evaluate the effect of the different parameters on the performance of columns. The investigation includes both experimental and the numerical approaches with 56 high strength fibre reinforced concrete columns being tested. The concrete strength ranged between 80 and 100 MPa and the columns were reinforced with 1, 2 or 2.6 percent, by weight, of end hooked steel fibres. The effect of corrugated Polypropylene fibres on the column performance was also examined. No early spalling of the cover was observed in any of the steel fibre reinforced column tested in this study. A numerical model was developed for analysis of fibre and non-fibre reinforced eccentrically loaded columns. The column is modelled as finite layers of reinforced concrete. Two types of layers are used, one to represent the hinged zone and the second the unloading portion of the column. As the concrete in the hinged layers goes beyond the peak for the stress verus strain in the concrete the section will continue to deform leading to a localised region within a column. The numerical model is compared with the test data and generally shows good correlation. Using the developed model, the parameters that affect ductility in fibre-reinforced high strength concrete columns are investigated and evaluated. A design model relating column ductility with confining pressure is proposed that includes the effects of the longitudinal reinforcement ratio, the loading eccentricity and the fibre properties and content and design recommendations are given.
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Books on the topic "High strength concrete (HSC)"

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USA-Australia Workshop on High Performance Concrete (1997 Sydney, N.S.W.). Proceedings of the USA-Australia Workshop on High Performance Concrete (HPC), Sydney, Australia, August 20-23, 1997. Perth, W.A: Curtin University of Technology, School of Civil Engineering, 1997.

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Super high strength, high performance concrete. Boca Raton: Taylor & Francis, 2013.

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Nawy, Edward G. Fundamentals of high strength high performance concrete. Harlow: Longman, 1996.

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L, Carrasquillo R., ed. Production of high strength concrete. Park Ridge, N.J., U.S.A: Noyes Publications, 1986.

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Vares, Sirje. Fibre-reinforced high-strength concrete. Espoo, Finland: Technical Research Centre of Finland, 1993.

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High Performance Concrete. London: Taylor & Francis Group Plc, 2004.

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High-performance concrete. London: E. & F.N. Spon, 1998.

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Caldarone, Michael A. High-strength concrete: A practical guide. London: Taylor & Francis, 2009.

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Bennett, D. F. H. Structural concrete updates: High-strength concrete, lightweight concrete and shearheads. Slough: Published on behalf of the industry sponsors of the Reinforced Concrete Campaign by the British Cement Association, 1990.

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Cousins, Thomas E. High-performance/high-strength lightweight concrete for bridge girders and decks. Washington, D.C: Transportation Research Board, 2013.

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Book chapters on the topic "High strength concrete (HSC)"

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Zeitler, R., and J. D. Wörner. "FE-Simulation of the Wedge-Splitting Test on High Strength Concrete (HSC)." In DIANA Computational Mechanics ‘84, 205–14. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1046-4_19.

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Xing, Feng, Wei Lun Wang, and Zheng Liang Cao. "Shear Strength Equation for High-Strength Concrete RC beams with High Strength Stirrup." In Environmental Ecology and Technology of Concrete, 706–12. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-983-0.706.

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Chiew, Sing-Ping, and Yan-Qing Cai. "Concrete confinement model." In Design of High Strength Steel Reinforced Concrete Columns, 19–32. Boca Raton : CRC Press, [2018]: CRC Press, 2018. http://dx.doi.org/10.1201/9781351203951-3.

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Ollivier, J. P., V. Lumbroso, J. C. Maso, and M. Massat. "Microcracking and Durability of High Strength Concrete." In Brittle Matrix Composites 3, 269–77. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3646-4_29.

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Salamanova, Madina, Djokhar Medjidov, and Aset Uspanova. "High-Strength Modified Concrete for Monolithic Construction." In Lecture Notes in Civil Engineering, 45–53. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-10853-2_5.

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Lee, Ming-Gin, Yung-Chih Wang, Wei-Chien Wang, E. A. Yatsenko, and Shou-Zjan Wu. "Clogging Resistance of High Strength Pervious Concrete." In Lecture Notes in Civil Engineering, 347–57. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87379-0_25.

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Otto, Corinne, Kerstin Elsmeier, and Ludger Lohaus. "Temperature Effects on the Fatigue Resistance of High-Strength-Concrete and High-Strength-Grout." In High Tech Concrete: Where Technology and Engineering Meet, 1401–9. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_161.

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Shruthi, V. A., Ranjitha B. Tangadagi, K. G. Shwetha, R. Nagendra, C. Ranganath, Bharathi Ganesh, and C. L. Mahesh Kumar. "Strength and Drying Shrinkage of High Strength Self-Consolidating Concrete." In Lecture Notes in Civil Engineering, 615–24. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5195-6_48.

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Singh, Balraj, and Tanvi Singh. "Soft Computing-Based Prediction of Compressive Strength of High Strength Concrete." In Applications of Computational Intelligence in Concrete Technology, 207–18. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003184331-12.

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Suguna Rao, B., Ampli Suresh, and Srikanth M. Naik. "Shrinkage Behavior of High-Strength Concrete Using Recycled Concrete Aggregate." In Lecture Notes in Civil Engineering, 829–37. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3317-0_74.

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Conference papers on the topic "High strength concrete (HSC)"

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"Techno Structuralogy and Design of Members of HSC/HPC in Germany." In SP-167: High-Strength Concrete: An International Perspective. American Concrete Institute, 1997. http://dx.doi.org/10.14359/6282.

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"HSC Slabs Post-Tensioned with Unbonded Tendons." In SP-167: High-Strength Concrete: An International Perspective. American Concrete Institute, 1997. http://dx.doi.org/10.14359/6292.

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"Effect of High-Strength Concrete (HSC) on Flexural Members." In SP-176: High-Strength Concrete in Seismic Regions. American Concrete Institute, 1998. http://dx.doi.org/10.14359/5898.

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"Performance of High-Strength Concrete (HSC) Columns Confined with Rectilinear Reinforcement." In SP-176: High-Strength Concrete in Seismic Regions. American Concrete Institute, 1998. http://dx.doi.org/10.14359/5901.

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Premadasa, Roshira, and Janaka Perera. "Effects of Manufactured Sand on the Properties of Normal and High Strength Concrete." In The SLIIT International Conference on Engineering and Technology 2022. Faculty of Engineering, SLIIT, 2022. http://dx.doi.org/10.54389/pdxx5382.

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Manufactured Sand (MS) has been introduced as a very effective fine aggregate and is being widely used in various construction activities. Large amounts of Manufactured Sand Fines (MSF) that are less than 75 µm in particle size, are produced during the production process. Costs are incurred in separating these fines from the crushed stone and are then dumped in landfills, thus causing serious environmental issues. Studies on MSF are not well established and a handful has been done on High Strength Concrete (HSC). The key objectives of this study were to study and compare the effects that MSF have on the properties of Normal Strength Concrete (NSC) and HSC and to propose effective fines percentages that could be incorporated in them. Tests were carried out by partial replacement of MS with fines in proportions of 10%, 15% and 20% for C30 and C60 concrete and were compared with the control mixes that contained 3.36% MSF. It was identified that a 15% replacement of MSF produced effective results with the highest compressive, splitting tensile and flexural strength results and minimum water absorption in both NSC and HSC. At 15% fines content, a strength of 35.3 MPa and 63.3 MPa was achieved by the C30 and C60 concretes respectively. However, the increment of fines decreased the workability significantly. The microstructure analysis proved the densification of the microstructure at 15% MSF content. The cost analysis showed that the availability of high fines content can deduct the cost of NSC by 1.8% and HSC by 1.6%. The 10% - 15% range was identified as the most effective fines content range that can be incorporated in NSC and HSC. Results of this study can contribute to develop concrete with better performance while addressing several environmental and cost issues related to the concrete industry. KEYWORDS: Manufactured sand, fines, partial replacement, normal strength concrete, high strength concrete.
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Zhao, Dongfu, Yuchen Liu, Haijing Gao, and Xiao Han. "Compressive mechanical of high strength concrete (HSC) after different high temperature history." In GREEN ENERGY AND SUSTAINABLE DEVELOPMENT I: Proceedings of the International Conference on Green Energy and Sustainable Development (GESD 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.4992902.

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Myers, John J., and Ishwor Gurung. "Shrinkage Behavior of High Strength Concrete (HSC) Subjected to Accelerated Curing." In Structures Congress 2006. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40889(201)98.

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Myers, John J., and Kurt Bloch. "Accelerated Construction for Pedestrian Bridges: A Comparison between High Strength Concrete (HSC) and High-Strength Self Consolidating Concrete (HS-SCC)." In GeoHunan International Conference 2011. Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/47630(409)17.

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"The Influence of Silica Fume and Curing Temperature on the Strength of Hsc." In "SP-172: High-Performance Concrete - Proceedings: ACI International Conference, Malaysia 1997". American Concrete Institute, 1999. http://dx.doi.org/10.14359/6126.

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"Development of Compressive and Tensile Strength of HSC under Steam Curing Using the Maturity Approach." In "SP-207: Proceedings, Third International Conference on High Performance Concrete: Performance and Quality of Concrete St". American Concrete Institute, 2002. http://dx.doi.org/10.14359/12397.

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Reports on the topic "High strength concrete (HSC)"

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Phan, L. T. Fire performance of high-strength concrete:. Gaithersburg, MD: National Institute of Standards and Technology, 1996. http://dx.doi.org/10.6028/nist.ir.5934.

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Duthinh, Dat. Shear strength of high-strength concrete walls and deep beams. Gaithersburg, MD: National Institute of Standards and Technology, 2000. http://dx.doi.org/10.6028/nist.ir.6495.

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A. M. Weidner, C. P. Pantelides, W. D. Richins, and T. Dynamic Tests of High Strength Concrete Cylinders. Office of Scientific and Technical Information (OSTI), October 2012. http://dx.doi.org/10.2172/1084653.

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Duthinh, Dat, and Nicholas J. Carino. Shear design of high-strength concrete beams:. Gaithersburg, MD: National Institute of Standards and Technology, 1996. http://dx.doi.org/10.6028/nist.ir.5870.

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Phan, Long T., and Nicholas J. Carino. Mechanical properties of high-strength concrete at elevated temperatures. Gaithersburg, MD: National Institute of Standards and Technology, 2001. http://dx.doi.org/10.6028/nist.ir.6726.

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Ramirez, J., and Gerardo Aguilar. Shear Reinforcement Requirements for High-Strength Concrete Bridge Girders. West Lafayette, IN: Purdue University, 2005. http://dx.doi.org/10.5703/1288284313393.

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Kurama, Yahya C., and Ashley P. Thrall. Prefabricated High-Strength Rebar Systems with High-Performance Concrete for Accelerated Construction of Nuclear Concrete Structures. Office of Scientific and Technical Information (OSTI), December 2018. http://dx.doi.org/10.2172/1493583.

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Yosefani, Anas. Flexural Strength, Ductility, and Serviceability of Beams that Contain High-Strength Steel Reinforcement and High-Grade Concrete. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6286.

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Mariano Velez. High-Strength / High Alkaline Resistant Fe-Phosphate Glass Fibers as Concrete Reinforcement. Office of Scientific and Technical Information (OSTI), March 2008. http://dx.doi.org/10.2172/926221.

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Lagergren, Eric S. Effects of testing variables on the measured compressive strength of high-strength (90 MPa) concrete. Gaithersburg, MD: National Institute of Standards and Technology, 1994. http://dx.doi.org/10.6028/nist.ir.5405.

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