Academic literature on the topic 'Ultra High Performance Concrete'

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Journal articles on the topic "Ultra High Performance Concrete"

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Dobiáš, Daniel, and Radka Pernicová. "Diffusion of Chloride Ions in Ultra High Performance Concrete." Advanced Materials Research 1106 (June 2015): 21–24. http://dx.doi.org/10.4028/www.scientific.net/amr.1106.21.

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The article is dealing with study of chloride ions diffusion in ultra-high performance concrete UHPC, which might be potentially dangerous. Life of concrete structures, in particular in transport sector is jeopardized by risk of steel reinforcement corrosion with regards to exposure of the concrete surface to direct impact of de-icing salts. Measured data were examined in relation to the depth of penetration of chloride ions into the concrete structure. Experiment results proved that UHPC concretes are more resistant to penetration of chlorides than normal strength concretes.
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Lee. "Fatigue Evaluation of Precast Concrete Deck Connection using Ultra-High Performance, Fiber Reinforced Concrete." Journal of the Korean Society of Civil Engineers 35, no. 2 (2015): 275. http://dx.doi.org/10.12652/ksce.2015.35.2.0275.

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Zdeb, T. "Ultra-high performance concrete – properties and technology." Bulletin of the Polish Academy of Sciences: Technical Sciences 61, no. 1 (March 1, 2013): 183–93. http://dx.doi.org/10.2478/bpasts-2013-0017.

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Abstract The paper deals with information concerning properties and technology of a new generation cementitious composite i.e. Ultra-High Performance Concrete. High performance here means both high strength and high durability under the influence of environmental factors. This group of composites is mainly represented by Reactive Powder Concretes (RPC), which show both outstanding durability and mechanical properties. Characteristic features of RPC are mainly due to the very low water-cement ratio, which involves application of superplasticizer, significant reduction of aggregate grains size as well as hydrothermal treatment. In the first part of the paper selected properties of RPC are compared to ordinary concrete and to other groups of new generation concrete. Moreover, fundamental technological factors influencing properties of RPC are described as well. The second part deals with the RPC developed at Cracow University of Technology. The presented test results are mainly focused on the influence of steel fibres content on mechanical properties of reactive powder concrete and hydrothermal treatment on composites microstructure. The quantitative and qualitative evaluation of this relationship expand the knowledge of the UHPC technology. Finally, the third part presents the most significant and newest structures which have been erected with the use of RPC
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Nguyen, Duy-Liem, Duc-Kien Thai, and Dong-Joo Kim. "Direct tension-dependent flexural behavior of ultra-high-performance fiber-reinforced concretes." Journal of Strain Analysis for Engineering Design 52, no. 2 (February 2017): 121–34. http://dx.doi.org/10.1177/0309324716689625.

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This research investigated the effects of direct tensile response on the flexural resistance of ultra-high-performance fiber-reinforced concretes by performing sectional analysis. The correlations between direct tensile and flexural response of ultra-high-performance fiber-reinforced concretes were investigated in detail for the development of a design code of ultra-high-performance fiber-reinforced concrete flexural members as follows: (1) the tensile resistance of ultra-high-performance fiber-reinforced concretes right after first-cracking in tension should be higher than one-third of the first-cracking strength to obtain the deflection-hardening if the ultra-high-performance fiber-reinforced concretes show tensile strain-softening response; (2) the equivalent bottom strain of flexural member at the modulus of rupture is always higher than the strain capacity of ultra-high-performance fiber-reinforced concretes in tension; (3) the softening part in the direct tensile response of ultra-high-performance fiber-reinforced concretes significantly affects their flexural resistance; and (4) the moment resistance of ultra-high-performance fiber-reinforced concrete girders is more significantly influenced by the post-cracking tensile strength rather than the tensile strain capacity. Moreover, the size and geometry effects should be carefully considered in predicting the moment capacity of ultra-high-performance fiber-reinforced concrete beams.
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Shengyu, Wang, and Zhan Yijian. "Study on Optimization of Working Performance of Ultra High Performance Concrete." E3S Web of Conferences 198 (2020): 01005. http://dx.doi.org/10.1051/e3sconf/202019801005.

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The water binder ratio is a key parameter in the mix design of ultra-high performance concrete. Aiming at the high sensitivity of ultra-high performance concrete to water consumption, the influence of water consumption on the performance of ultra-high performance concrete was studied in a narrow range. The compatibility ratio of raw materials of ultra-high performance concrete can be adjusted, but the space is small, so we try to improve the fluidity of concrete by physical and chemical means. The experimental results show that the fluidity of concrete increases slightly with the addition of glass beads, but the flexural properties of the concrete are adversely affected. With the addition of viscosity reducer, the workbility of concrete increases, but the compressive strength decreases.
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Li, Jun, and Chengqing Wu. "Damage evaluation of ultra-high performance concrete columns after blast loads." International Journal of Protective Structures 9, no. 1 (March 2018): 44–64. http://dx.doi.org/10.1177/2041419617743986.

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As emerging advanced construction material, ultra-high performance concretes have seen increasing field applications over the past two decades to take advantages of their ultra-high mechanical strength and durability; yet the systematic study on its dynamic behaviour under impact and blast loads is not commonly seen. This article presents an experimental and numerical study on the static and dynamic behaviour of an existing ultra-high performance concrete material. Experimental study on its flexural behaviour under static loads is conducted and an inverse study is carried out to derive its uniaxial tensile constitutive law. The derived relationship is used in the material model in hydro-code LS-DYNA together with dynamic material properties to study ultra-high performance concrete columns under blast loads. The residual loading capacity of the column is studied and pressure–impulse diagrams for assessing the ultra-high performance concrete column damage under blast loads are proposed. Parametric study on effects of ultra-high performance concrete strength, column height, cross-section size and reinforcement ratio is performed and analytical equations are proposed for generating pressure–impulse diagrams for generic ultra-high performance concrete columns.
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Fang, YiChen. "Ultra high performance concrete shear walls." E3S Web of Conferences 294 (2021): 04004. http://dx.doi.org/10.1051/e3sconf/202129404004.

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The history of the development of Ultra-High Performance Concrete (UHPC) shear walls and the current status of today’s research as well as the future development prospects are comprehensively collated. The analysis process and conclusive results of the present-day domestic and international research on UHPC shear walls are highlighted. The load displacement curves, hysteresis curves and skeleton lines of ultra-high performance concrete shear walls under different experimental loads are collated and compared. Integrate the corresponding equations for shear bearing capacity and equations for the overall specimen load displacement curves. A finite element model of the ultra-high performance concrete shear wall is established to simulate and perform non-linear finite element analysis of its force process under unidirectional horizontal loading.
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Diederichs, Ulrich, Iris Marquardt, and Vít Petranek. "Rehydration of Ultra High Performance Concrete." Advanced Materials Research 897 (February 2014): 275–79. http://dx.doi.org/10.4028/www.scientific.net/amr.897.275.

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Ultra High Performance Concrete (UHPC) and High Strength Concrete (USC) are because of the high density of their matrices very susceptible to spalling during fire exposure. By aid of a heat treatment with maximum temperatures of about 450°C a network of capillaries and micro cracks could be formed, which leads like a porous medium to a relief of water vapor already at harmless low pressures and could prevent the materials from spalling. In the framework of the presented study on UHPC some orientating tests have been performed to obtain knowledge concerning alterations of the microstructure during thermal treatment at 150°C, 250°C, 350°C and 450°C and the subsequent storage in air with 100% relative humidity at 20°C as to allow water uptake and rehydration. The tests have shown that by aid of the said treatment generation of a respective porous system was achieved, which remained open for the transport of water vapor at high temperatures, also after water uptake and rehydration of the dehydrated cementitious matrix. However further studies are needed to get information about effects of the treatments on the mechanical properties and the durability of members.
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Sun, Jie. "Research Status and Prospects on the Ultra High Performance Concrete." Advanced Materials Research 168-170 (December 2010): 1506–8. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.1506.

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The ultra high performance concrete is a new cement-based composite material with ultra-high mechanical properties, excellent durability and excellent volume stability. In this paper, research and application of the ultra high performance concrete at home and abroad at present was introduced, existing problems of the ultra high performance concrete applied to much practical engineering were pointed out. Finally, the prospects of ultra high performance concrete were analyzed and the ultra high performance concrete is inevitable result of the sustainable development of modern concrete technology.
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Tagnit-Hamou, Arezki, Ablam Zidol, Nancy Soliman, Joris Deschamps, and Ahmed Omran. "Ground Glass Pozzolan in Conventional, High, and Ultra-High Performance Concrete." MATEC Web of Conferences 149 (2018): 01005. http://dx.doi.org/10.1051/matecconf/201814901005.

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Ground-glass pozzolan (G) obtained by grinding the mixed-waste glass to same fineness of cement can act as a supplementary-cementitious material (SCM), given that it is an amorphous and a pozzolanic material. The G showed promising performances in different concrete types such as conventional concrete (CC), high-performance concrete (HPC), and ultra-high performance concrete (UHPC). The current paper reports on the characteristics and performance of G in these concrete types. The use of G provides several advantages (technological, economical, and environmental). It reduces the production cost of concrete and decrease the carbon footprint of a traditional concrete structures. The rheology of fresh concrete can be improved due to the replacement of cement by non-absorptive glass particles. Strength and rigidity improvements in the concrete containing G are due to the fact that glass particles act as inclusions having a very high strength and elastic modulus that have a strengthening effect on the overall hardened matrix.
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Dissertations / Theses on the topic "Ultra High Performance Concrete"

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Kumaresan, Karthik. "Ultra-High Performance Concrete and Lattice Models." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/35144.

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Ultra-High Performance Concrete (UHPC) is an evolving structural material that has attracted interest in the civil engineering industry recently. Currently, it is being used mainly for highway infrastructure in the US and also being explored for various other applications. The existing design guides on UHPC in countries like Japan, Australia and France are not as detailed as the concrete or steel guides. Most of the sections made of UHPC are slender due to its superior mechanical properties which are expected to simplify construction. Being an expensive material to use, making slender sections also helps to minimize the overall cost of the structure and makes it competitive with that of high strength steel and prestressed concrete. It has also been demonstrated to have very high compressive strength and considerable tensile strength. To begin with, an introduction on UHPC and its current applications around the world is presented, followed by a review of the existing design guides on UHPC. The importance as well as the methodology to measure fracture energy of concrete with factors to be considered for fiber reinforced concrete is discussed in detail. The main motive of this research is to introduce a creative modeling concept which served as the theoretical basis for the development of a computer program called Lattice 3D. The program is a modeling tool for engineers studying the behavior of UHPC, and in the future will be developed into a finite element protocol for analyzing complex structures made of UHPC. Parametric studies on lattice models of thin simply supported plates in compression and three-point bending of beams have been demonstrated in this research. Experimental tests conducted on briquette specimens under uniaxial tension are also discussed.
Master of Science
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Le, Thanh Trung. "Ultra high performance fibre reinforced concrete paving flags." Thesis, University of Liverpool, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502191.

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A literature survey on Ultra High Performance Fibre Reinforced Concrete (UHPFRC) reveals that the applications until now have remained limited. This is because although it has proved to have outstanding mechanical properties such. as the compressive strength of 150-250 MPa and flexural strength of 25-50 MPa, UHPFRC has a highcosting issue as well as shortage of mix design procedure and of structural design guidelines. Therefore, the following works are carried out in this PhD study. The mix design of UHPFRC is first studied. A mix design procedure based on the 'Excess Paste Model' is proposed to' design the preliminary mix proportions. The superplasticiser dosage and excess paste volume significantly influence the workability as well as the mechanical properties of UHPFRC. Optimisation of superplasticiser dosage and excess paste volume leads to the optimum mix proportions by reducing the water-binder ratio and finally enabling achievement of high strength. The by-products of industry such as Ground Granulated Blast-Furnace Slag (GGBS), Pulverised Fuel Ash (PFA), and glass cullet are studied to replace cement and silica sand in UHPFRC. These replacements help to reduce the cost. The replacement of cement by GGBS and PFA also lessens the environmental impact caused by the cement producing industry. The sustainability of UHPFRC is therefore improved. The mechanical properties of UHPFRC are investigated experimentally by testing cube specimens for compressive strength and prism specimens for flexural strength, fracture energy and flexural toughness. There is no significant difference of compressive strengths between two sizes of specimens, Le. 50 mm cube and 100 mm cube, but a considerable difference of flexural strengths between 40x40x160 mm specimens and 100x1 00x350 mm specimens is found. The origin of this size effect issue on flexural strength is therefore investigated by using different loading arrangements, extracting small specimens from large specimens, and various sizes and shapes of specimens. Two factors are found to contribute to this size effect. These are the boundary surface layer and the ratio of the total crack-surface area to the cross section area of beam specimens. Paving flags with the lower half of thickness comprising UHPFRC with 2.0% fibres are fabricated as an outcome product of the studies on mix proportions and mechanical properties. These 400x200x30 mm UHPFRC paving flags are cast using a 'Hydraulic press' technique replicating a factory's typical casting procedure. The flexural strength and fracture energy of UHPFRC paving flags are then examined to compare with those of ordinary concrete paving flags. These flexural strengths and fracture energies are used as input parameters for finite element analysis (FEA) models of pavements using these paving flags. The structural behaviour of pavements using ordinary concrete paving flags and pavements using UHPFRC paving flags positioned on sand bedding and sub-base layers are studied using both laboratory experiments and FEA models. The FEA model of UHPFRC pavement is then used to predict the structural behaviour when the thickness of flag, the thickness and elastic modulus of sub-base layer vary. The following novel and major outcomes from this PhD study contribute to the development of UHPFRC: • Systematic investigations of mix proportions and mechanical properties of UHPFRC help the users to select the raw materials, mix proportions and curing regime suitably for the structures required. The results on the effect of specimen size on the flexural behaviour of UHPFRC suggest that UHPFRC large-scale beams should be trialied carefully before use; • An application of UHPFRC for very high performance crack-resistant paving flags using in pedestrian pavements has been studied by both experimental and FEA methods. The potential benefits obtained from using UHPFRC paving flags compared with ordinary concrete paving flags include: (1) UHPFRC paving flags can be made thinner and lighter, resulting in the reduction of health and safety concerns during handling and placing and also the reduction in transportation costs; (2) increase of pavement service life and lead to reduced maintenance costs; (3) reduction of liability claims arising from uneven pavements.
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Sayed, Sameer. "Behavioral study of ultra high performance concrete girders." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1820.

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Thesis (M.S.) -- University of Maryland, College Park, 2004.
Thesis research directed by: Dept. of Civil and Environmental Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Banta, Timothy E. "Horizontal Shear Transfer Between Ultra High Performance Concrete And Lightweight Concrete." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/31446.

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Ultra high performance concrete, specifically Ductal® concrete, has begun to revolutionize the bridge design industry. This extremely high strength material has given smaller composite sections the ability to carry larger loads. As the forces being transferred through composite members are increasing in magnitude, it is vital that the equations being used for design are applicable for use with the new materials. Of particular importance is the design of the horizontal shear reinforcement connecting the bridge deck to the top flange of the beams. Without adequate shear transfer, the flexural and shearing capacities will be greatly diminished. The current design equations from ACI and AASHTO were not developed for use in designing sections composed of Ductal® and Lightweight concrete. Twenty-four push-off tests were performed to determine if the current horizontal shear design equations could accurately predict the horizontal shear strength of composite Ductal® and Lightweight concrete sections. Effects from various surface treatments, reinforcement ratios, and aspect ratios, were determined. The results predicted by the current design equations were compared to the actual results found during testing. The current design equations were all found to be conservative. For its ability to incorporate various cohesion and friction factors, it is recommended that the equation from AASHTO LRFD Specification (2004) be used for design.
Master of Science
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Lubbers, Anna R. "Bond Performance Between Ultra-High Performance Concrete and Prestressing Strands." Ohio University / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1070570269.

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Kahanji, Charles. "Fire performance of ultra-high performance fibre reinforced concrete beams." Thesis, Ulster University, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709889.

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Ultra-high performance fibre reinforced concrete (UHPFRC) possesses favourable mechanical properties in comparison with normal strength concrete. Despite a surge in interest among researchers and industries over the past decade, there is negligible research data on the performance of UHPFRC in fire. This situation is compounded by the lack of design guidelines of UHPFRC in major structural design codes both at ambient and at elevated temperatures. The experimental work conducted was divided into three parts. The first part involved casting and testing of nine beams for flexure at ambient temperature. The beams were reinforced with steel fibres at 1, 2 and 4 vol. % and cured in two different conditions (20 °C and 90 °C water). In the second part, nine beams with two different steel fibre dosages (2 and 4 vol. %) were tested at elevated temperatures under an ISO 834 standard fire curve. Seven of these were tested while loaded at three different loading levels (0.2, 0.4 and 0.6). The other two, cured in different conditions, were tested unloaded at elevated temperatures to study the influence of the curing temperature. The third part involved determining the residual strength of the UHPFRC. The residual strength tests sought to investigate the influence of the curing temperature on the strength degradation of UHPFRC, with the aim of understanding the post-fire analysis and repairs. A finite element model was created using DIANA software followed by a parametric study. In the ambient temperature tests, the hot-cured beams recorded higher compressive strength. However, despite having lower compressive strength, the cold-cured beams had the higher load bearing capacity. Exposure of beams to fire was characterised with explosive spalling. Spalling was more prevalent in beams containing 2 vol. % of steel fibres. The beams under the 0.4 load level spalled significantly more than the other two load categories and had the least fire resistance. The addition of polypropylene fibres eliminated spalling and effectively increased the fire resistance of the beam. The curing temperature had an influence on the fire performance of the beams, the hot-cured beam spalled significantly more than the cold-cured. The findings from the residual strength tests indicated that the relative residual strength of cold-cured elements was higher than the hot-cured.
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Ellis, Brett D. "Multiscale modeling and design of ultra-high-performance concrete." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50216.

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Ultra-High-Performance Concretes (UHPCs) are a promising class of cementitious materials possessing mechanical properties superior to those of Normal Strength Concretes (NSCs). However, UHPCs have been slow to transition from laboratory testing to insertion in new applications, partly due to an intuitive trial-and-error materials development process. This research seeks to addresses this problem by implementing a materials design process for the design of UHPC materials and structures subject to blast loads with specific impulses between 1.25- and 1.5-MPa-ms and impact loads resulting from the impact of a 0.50-caliber bullet travelling between 900 and 1,000 m/s. The implemented materials design process consists of simultaneous bottom-up deductive mappings and top-down inductive decision paths through a set of process-structure-property-performance (PSPP) relations identified for this purpose. The bottom-up deductive mappings are constructed from a combination of analytical models adopted from the literature and two hierarchical multiscale models developed to simulate the blast performance of a 1,626-mm tall by 864-mm wide UHPC panel and the impact performance of a 305-mm tall by 305-mm wide UHPC panel. Both multiscale models employ models at three length scales – single fiber, multiple fiber, and structural – to quantify deductive relations in terms of fiber pitch (6-36 mm/revolution), fiber volume fraction (0-2%), uniaxial tensile strength of matrix (5-12 MPa), quasi-static tensile strength of fiber-reinforced matrix (10-20 MPa), and dissipated energy density (20-100 kJ/m²). The inductive decision path is formulated within the Inductive Design Exploration Method (IDEM), which determines robust combinations of properties, structures, and processing steps that satisfy the performance requirements. Subsequently, the preferred material and structural designs are determined by rank order of results of objective functions, defined in terms of mass and costs of the UHPC panel.
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Reeves, Eric E. "Structural reliability of ultra-high performance concrete in flexure." Ohio : Ohio University, 2004. http://www.ohiolink.edu/etd/view.cgi?ohiou1177090784.

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Graybeal, Benjamin Allen. "Characterization of the behavior of ultra-high performance concrete." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2365.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2005.
Thesis research directed by: Civil Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Jammes, François-Xavier. "Design of wind turbines with Ultra-High Performance Concrete." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/51574.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2009.
Includes bibliographical references (leaves 72-73).
Ultra-High Performance Concrete (UHPC) has proven an asset for bridge design as it significantly reduces costs. However, UHPC has not been applied yet to wind turbine technology. Design codes do not propose any recommendations or guidance for the towers, thus encouraging the engineer to use less effective traditional materials like steel. The purpose of this thesis is to propose an efficient way to design UHPC wind turbines. First is explained the strategy to retain an optimal design. Then, the comparison with a similar steel model demonstrates that UHPC is both an economical and sustainable design solution for towers. This work is based on a combination of the UHPC 1D model developed at MIT and the interim recommendations provided by Association Franqaise de Genie Civil. The expression of the design loads and the resistant loads for a UHPC circular hollow section are presented based on available design codes. Then, the optimization process based on the previous model is established. It is achieved using two programs in order to satisfy both the Service Limit State (SLS) and the Ultimate Limit State (ULS). The best design is obtained for a SLS criteria deflection of L/800. The cost of material is reduced by a factor between 2 and 3 in comparison with traditional steel. All of this confirms that UHPC could be an innovative engineering solution for the realization of new wind turbine towers.
by François-Xavier Jammes.
M.Eng.
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Books on the topic "Ultra High Performance Concrete"

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Walsh, Amanda, Michael Gallaher, and Benjamin Fein-Smolinski. Evaluation of Ultra-High Performance Concrete Connections. Washington, D.C.: Transportation Research Board, 2022. http://dx.doi.org/10.17226/26634.

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(Michael), Schmidt M., and Fehling Ekkehard, eds. Ultra high performance concrete (UHPC): Proceedings of the International Symposium on Ultra High Performance Concrete, Kassel, Germany, September 13-15, 2004. Kassel: Kassel University Press, 2004.

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International, Symposium on Ultra High Performance Concrete (2008 Kassel Germany). Ultra high performance concrete (UHPC): Proceedings of the Second International Symposium on Ultra High Performance Concrete, Kassel, Germany, March 05-07, 2008. Kassel: Kassel University Press, 2008.

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China) International Symposium on Ultra-High-Pumpability and High Performance Concrete Technology (2008 Guangzhou. Ultra-high-pumpability and high performance concrete technology: Selected, peer reviewed papers from the International Symposium on Ultra-High-Pumpability and High Performance Concrete Technology, April 22- 23, 2008, Guangzhou, Guangdong, China. Switzerland: Trans Tech Publications, 2009.

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Russell, Henry G. Ultra-high performance concrete: A state-of-the-art report for the bridge community. McLean, VA: U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, 2013.

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

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Aïtcin, P. C. High performance concrete. London: E & FN Spon, 1998.

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

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Brinksmeier, Ekkard, and Lars Schönemann, eds. Ultra-precision High Performance Cutting. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-83765-5.

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

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Book chapters on the topic "Ultra High Performance Concrete"

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MacDougall, B., H. Hajiloo, S. Sarhat, J. Kabanda, and M. F. Green. "Fire Performance of Ultra-High Performance Concrete." In Lecture Notes in Civil Engineering, 213–25. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0503-2_18.

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Resplendino, Jacques. "Ultra High Performance Concrete: New AFGC Recommendations." In Designing and Building with UHPFRC, 713–22. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118557839.ch47.

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Sanz, B., J. Planas, and J. M. Sancho. "Simulation of Brazilian tests of ultra-high performance fibre-reinforced concrete." In Computational Modelling of Concrete and Concrete Structures, 130–37. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003316404-16.

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Koenig, Andreas, and Frank Dehn. "Acid Resistance of Ultra High-Performance Concrete (UHPC)." In Nanotechnology in Construction, 317–23. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17088-6_41.

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Azmee, Norzaireen Mohd, and Nasir Shafiq. "Preparation of low cement ultra-high performance concrete." In Lecture Notes in Civil Engineering, 331–36. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0802-8_50.

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Kamen, Aicha, and Hamid Sadouki. "Ultra High Performance Fibre Reinforced Concrete Activation Energy." In Thermo-Hydromechanical and Chemical Coupling in Geomaterials and Applications, 533–42. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118623565.ch55.

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Mohd Faizal, M. J., M. S. Hamidah, M. S. Muhd Norhasri, I. Noorli, and M. P. Mohamad Ezad Hafez. "Chloride Permeability of Nanoclayed Ultra-High Performance Concrete." In InCIEC 2014, 613–23. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-290-6_54.

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Leutbecher, T., and E. Fehling. "Design for Serviceability of Ultra High Performance Concrete Structures." In High Performance Fiber Reinforced Cement Composites 6, 445–52. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2436-5_54.

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Ng, Tian Sing, Yen Lei Voo, and Stephen J. Foster. "Sustainability with Ultra-High Performance and Geopolymer Concrete Construction." In Innovative Materials and Techniques in Concrete Construction, 81–100. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1997-2_5.

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Flint, Martin, Steffen Grünewald, and Jeroen Coenders. "Ant Colony Optimization for Ultra High Performance Concrete Structures." In Designing and Building with UHPFRC, 601–18. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118557839.ch41.

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Conference papers on the topic "Ultra High Performance Concrete"

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"Ultra High Performance Reinforced Concrete." In SP-142: Fiber Reinforced Concrete Developments and Innovations. American Concrete Institute, 1994. http://dx.doi.org/10.14359/1193.

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"Applications of High-Performance Concrete for Ultra -Thin Pavement Overlays (White-Topping)." In SP-186: High-Performance Concrete: Performance and Quality of Concrete Structures. American Concrete Institute, 1999. http://dx.doi.org/10.14359/5588.

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"Influence of Ultra-Fine Particle-Type on Properties of Very High-Strength Concrete." In SP-186: High-Performance Concrete: Performance and Quality of Concrete Structures. American Concrete Institute, 1999. http://dx.doi.org/10.14359/5584.

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Sharma, A. "Fracture behaviour of ultra-high performance concrete." In 10th International Conference on Fracture Mechanics of Concrete and Concrete Structures. IA-FraMCoS, 2019. http://dx.doi.org/10.21012/fc10.235532.

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Tagnit-Hamou, Arezki, Nancy Soliman, and Ahmed Omran. "Green Ultra-High Performance Glass Concrete." In First International Interactive Symposium on UHPC. Ames, Iowa, USA: Iowa State University, 2016. http://dx.doi.org/10.21838/uhpc.2016.35.

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Hasnat, Ariful, Arash Kian, and Nader Ghafoori. "Properties of ultra-high-performance concrete." In Fifth International Conference on Sustainable Construction Materials and Technologies. Coventry University and The University of Wisconsin Milwaukee Centre for By-products Utilization, 2019. http://dx.doi.org/10.18552/2019/idscmt5112.

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"Durability of Ultra-High-Performance Concrete." In SP-261: 10th ACI International Conference on Recent Advances in Concrete Technology and Sustainability Issues. American Concrete Institute, 2009. http://dx.doi.org/10.14359/51663198.

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"Ultra High Performance Concrete is Ideal for Protective Structures." 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/10.14359/12386.

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"Shear Strength between Ultra-High Performance Concrete and Old Concrete." In Dec. 4-6, 2017 London (UK). HEAIG, 2017. http://dx.doi.org/10.15242/heaig.h1217305.

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AZMEE, NORZAIREEN MOHD, and MUHD FADHIL NURUDDIN. "IMPACT PERFORMANCE OF LOW CEMENT ULTRA-HIGH-PERFORMANCE CONCRETE." In SUSTAINABLE CITY 2017. Southampton UK: WIT Press, 2017. http://dx.doi.org/10.2495/sc170421.

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Reports on the topic "Ultra High Performance Concrete"

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Howard, Isaac, Thomas Allard, Ashley Carey, Matthew Priddy, Alta Knizley, and Jameson Shannon. Development of CORPS-STIF 1.0 with application to ultra-high performance concrete (UHPC). Engineer Research and Development Center (U.S.), April 2021. http://dx.doi.org/10.21079/11681/40440.

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This report introduces the first release of CORPS-STIF (Concrete Observations Repository and Predictive Software – Structural and Thermodynamical Integrated Framework). CORPS-STIF is envisioned to be used as a tool to optimize material constituents and geometries of mass concrete placements specifically for ultra-high performance concretes (UHPCs). An observations repository (OR) containing results of 649 mechanical property tests and 10 thermodynamical tests were recorded to be used as inputs for current and future releases. A thermodynamical integrated framework (TIF) was developed where the heat transfer coefficient was a function of temperature and determined at each time step. A structural integrated framework (SIF) modeled strength development in cylinders that underwent isothermal curing. CORPS-STIF represents a step toward understanding and predicting strength gain of UHPC for full-scale structures and specifically in mass concrete.
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Sparks, Paul, Jesse Sherburn, William Heard, and Brett Williams. Penetration modeling of ultra‐high performance concrete using multiscale meshfree methods. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41963.

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Terminal ballistics of concrete is of extreme importance to the military and civil communities. Over the past few decades, ultra‐high performance concrete (UHPC) has been developed for various applications in the design of protective structures because UHPC has an enhanced ballistic resistance over conventional strength concrete. Developing predictive numerical models of UHPC subjected to penetration is critical in understanding the material's enhanced performance. This study employs the advanced fundamental concrete (AFC) model, and it runs inside the reproducing kernel particle method (RKPM)‐based code known as the nonlinear meshfree analysis program (NMAP). NMAP is advantageous for modeling impact and penetration problems that exhibit extreme deformation and material fragmentation. A comprehensive experimental study was conducted to characterize the UHPC. The investigation consisted of fracture toughness testing, the utilization of nondestructive microcomputed tomography analysis, and projectile penetration shots on the UHPC targets. To improve the accuracy of the model, a new scaled damage evolution law (SDEL) is employed within the microcrack informed damage model. During the homogenized macroscopic calculation, the corresponding microscopic cell needs to be dimensionally equivalent to the mesh dimension when the partial differential equation becomes ill posed and strain softening ensues. Results of numerical investigations will be compared with results of penetration experiments.
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Sawab, Jamshaid, Ing Lim, Yi-Lung Mo, Mo Li, Hong Wang, and Maria Guimaraes. Ultra-High-Performance Concrete And Advanced Manufacturing Methods For Modular Construction. Office of Scientific and Technical Information (OSTI), April 2016. http://dx.doi.org/10.2172/1253019.

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Reinhart, William Dodd, and Tom Finley, III Thornhill. Ballistic penetration test results for Ductal and ultra-high performance concrete samples. Office of Scientific and Technical Information (OSTI), March 2010. http://dx.doi.org/10.2172/992302.

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Groeneveld, Andrew, Theresa Ahlborn, C. Kennan Crane, and Wendy Long. Effect of fiber orientation on dynamic compressive properties of an ultra-high performance concrete. Geotechnical and Structures Laboratory (U.S.), August 2017. http://dx.doi.org/10.21079/11681/22806.

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Howard, Isaac, Ashley Carey, Megan Burcham, Dylan Scott, Jameson Shannon, Robert Moser, and Mark Horstemeyer. Mechanical behavior of Cor-Tuf ultra-high performance concrete considering aggregate and paste effects. Engineer Research and Development Center (U.S.), October 2018. http://dx.doi.org/10.21079/11681/29642.

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Ragalwar, Ketan, William Heard, Brett Williams, Dhanendra Kumar, and Ravi Ranade. On enhancing the mechanical behavior of ultra-high performance concrete through multi-scale fiber reinforcement. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41940.

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Steel fibers are typically used in ultra-high performance concretes (UHPC) to impart flexural ductility and increase fracture toughness. However, the mechanical properties of the steel fibers are underutilized in UHPC, as evidenced by the fact that most of the steel fibers pull out of a UHPC matrix largely undamaged during tensile or flexural tests. This research aims to improve the bond between steel fibers and a UHPC matrix by using steel wool. The underlying mechanism for fiber-matrix bond improvement is the reinforcement of the matrix tunnel, surrounding the steel fibers, by steel wool. Single fiber pullout tests were performed to quantify the effect of steel wool content in UHPC on the fiber-matrix bond. Microscopic observations of pulled-out fibers were used to investigate the fiber-matrix interface. Compared to the control UHPC mixture with no steel wool, significant improvement in the flexural behavior was observed in the UHPC mixtures with steel wool. Thus, the addition of steel wool in steel fiber-reinforced UHPC provides multi-scale reinforcement that leads to significant improvement in fiber-matrix bond and mechanical properties of UHPC.
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Moser, Robert D., Paul G. Allison, and Mei Q. Chandler. Spatially-Resolved Characterization Techniques to Investigate Impact Damage in Ultra-High Performance Concretes. Fort Belvoir, VA: Defense Technical Information Center, April 2013. http://dx.doi.org/10.21236/ada581191.

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Scott, Dylan, Steven Graham, Bradford Songer, Brian Green, Michael Grotke, and Tony Brogdon. Laboratory characterization of Cor-Tuf Baseline and UHPC-S. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/40121.

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This experimental effort is part of a larger program entitled Development of Ultra-High-Performance Concrete Tools and Design Guidelines. This program operates in accordance with an agreement concerning combating terrorism research and development between the United States of America Department of Defense and the Republic of Singapore Ministry of Defence. The objective of the program is to develop a better understanding of the potential benefits that may be achieved from the application of ultra-high-performance concrete (UHPC) materials for protective structures. The specific effort detailed in this report will provide insight into laboratory-scale mechanical properties of Cor-Tuf and a proprietary material termed UHPC-Singapore (UHPC-S).
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Weiss, Charles, William McGinley, Bradford Songer, Madeline Kuchinski, and Frank Kuchinski. Performance of active porcelain enamel coated fibers for fiber-reinforced concrete : the performance of active porcelain enamel coatings for fiber-reinforced concrete and fiber tests at the University of Louisville. Engineer Research and Development Center (U.S.), May 2021. http://dx.doi.org/10.21079/11681/40683.

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A patented active porcelain enamel coating improves both the bond between the concrete and steel reinforcement as well as its corrosion resistance. A Small Business Innovation Research (SBIR) program to develop a commercial method for production of porcelain-coated fibers was developed in 2015. Market potential of this technology with its steel/concrete bond improvements and corrosion protection suggests that it can compete with other fiber reinforcing systems, with improvements in performance, durability, and cost, especially as compared to smooth fibers incorporated into concrete slabs and beams. Preliminary testing in a Phase 1 SBIR investigation indicated that active ceramic coatings on small diameter wire significantly improved the bond between the wires and the concrete to the point that the wires achieved yield before pullout without affecting the strength of the wire. As part of an SBIR Phase 2 effort, the University of Louisville under contract for Ceramics, Composites and Coatings Inc., proposed an investigation to evaluate active enamel-coated steel fibers in typical concrete applications and in masonry grouts in both tension and compression. Evaluation of the effect of the incorporation of coated fibers into Ultra-High Performance Concrete (UHPC) was examined using flexural and compressive strength testing as well as through nanoindentation.
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