Relevant bibliographies by topics / Cementitious matrix

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Cementitious matrix'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Cementitious matrix.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Cementitious matrix"

1

Abu Obaida, Feras, Tamer El-Maaddawy, and Hilal El-Hassan. "Bond Behavior of Carbon Fabric-Reinforced Matrix Composites: Geopolymeric Matrix versus Cementitious Mortar." Buildings 11, no. 5 (May 15, 2021): 207. http://dx.doi.org/10.3390/buildings11050207.

Full text
Abstract:
This study aims to examine the potential use of a geopolymeric matrix as a sustainable alternative to commercial mortars in carbon fabric-reinforced matrix composites. Single-lap shear tests were conducted to examine the bond behavior at the fabric-matrix interface. Test parameters included the type of matrix (geopolymeric and cementitious matrices) and the bonded length (50 to 300 mm). The geopolymeric matrix was a blend of fly ash/ground granulated blast furnace slag activated by an alkaline solution of sodium silicate and sodium hydroxide. The bond behavior of the geopolymeric-matrix specimens was characterized and compared to that of similar specimens with a cementitious matrix. The specimens failed due to fabric slippage/debonding at the fabric-matrix interface or fabric rupture. The effective bond lengths of the geopolymeric- and cementitious-matrix specimens were 150 and 170 mm, respectively. The geopolymeric-matrix specimens exhibited higher fabric strains, higher ultimate loads, and a steeper strain profile along the bonded length than those of their cementitious-matrix counterparts. New bond-slip models that characterize the bond behavior at the fabric-matrix interface for geopolymeric- and cementitious-matrix specimens were developed. Both models exhibited equal maximum shear stress of 1.2 MPa. The geopolymeric-matrix model had, however, higher fracture energy and higher slip at maximum shear stress than those of the cementitious matrix model.
APA, Harvard, Vancouver, ISO, and other styles
2

Awan, Muhammad Maqbool Sadiq, Parviz Soroushian, Arshad Ali, and Muhammad Yousaf Saqid Awan. "High-Performance Cementitious Matrix using Carbon Nanofibers." Indonesian Journal of Science and Technology 2, no. 1 (April 1, 2017): 57. http://dx.doi.org/10.17509/ijost.v2i1.5989.

Full text
Abstract:
Graphite nanomaterials would realize their reinforcement potential within cement-based materials when they are thoroughly dispersed and effectively bonded to cement hydrates. Thorough dispersion of graphite nanomaterials in the fresh cementitious matrix encounters challenges associated with the hydrophobic nature of nanomaterial surfaces and their strong tendency towards agglomeration via attractive van der Waals forces. Effective interfacial interactions with cement hydrates are further challenged by the relatively inert nature of nanomaterial surfaces. An experimental program was conducted with the objective of effectively utilizing both acid-oxidized and pristine carbon nanofibers towards reinforcement of high-performance cementitious pastes. Hybrid reinforcement systems comprising optimum volume fraction of carbon nanofibers and micro-scale fibers were also evaluated in cementitious matrices. The improvements in nanofiber dispersion and interfacial interactions resulting from acid-oxidation and use of proper dispersion techniques were found to bring about significant gains in the engineering properties of high-performance cementitious materials.
APA, Harvard, Vancouver, ISO, and other styles
3

Magalhães, A. G., A. T. Marques, F. M. F. Oliveira, P. Soukatchoff, and P. T. de Castro. "Mechanical behaviour of cementitious matrix composites." Cement and Concrete Composites 18, no. 1 (January 1996): 9–22. http://dx.doi.org/10.1016/0958-9465(95)00035-6.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Kirakevych, Iryna, Myroslav Sanytsky, Orest Shyiko, and Roman Kagarlitsky. "MODIFICATION OF CEMENTITIOUS MATRIX OF RAPID-HARDENING HIGH-PERFORMANCE CONCRETES." Theory and Building Practice 2021, no. 1 (June 22, 2021): 79–84. http://dx.doi.org/10.23939/jtbp2021.01.079.

Full text
Abstract:
The paper presents the results of research concerning the peculiarities of modern High Performance Concretes based on cementitious systems "Portland cement – active mineral additives – micro fillers – superplasticizers – accelerators of hardening". Physico-chemical regularities of structure formation of super plasticized cementitious systems are established. It is shown that the formation of secondary fine ettringite due to the interaction of active alumina with calcium hydroxide and gypsum in the non-clinker part of the binder because of the effect of "self-reinforcement" compensates for shrinkage and increases the strength of the cementitious system. The modification of the cementitious matrix makes it possible to obtain Rapid Hardening High Performance Concretes that provide early loading and turnover of the formwork of monolithic constructions.
APA, Harvard, Vancouver, ISO, and other styles
5

Zhang, Peng, Yonghui Yang, Juan Wang, Meiju Jiao, and Yifeng Ling. "Fracture Models and Effect of Fibers on Fracture Properties of Cementitious Composites—A Review." Materials 13, no. 23 (December 2, 2020): 5495. http://dx.doi.org/10.3390/ma13235495.

Full text
Abstract:
Cementitious composites have good ductility and pseudo-crack control. However, in practical applications of these composites, the external load and environmental erosion eventually form a large crack in the matrix, resulting in matrix fracture. The fracture of cementitious composite materials causes not only structural insufficiency, but also economic losses associated with the maintenance and reinforcement of cementitious composite components. Therefore, it is necessary to study the fracture properties of cementitious composites for preventing the fracture of the matrix. In this paper, a multi-crack cracking model, fictitious crack model, crack band model, pseudo-strain hardening model, and double-K fracture model for cementitious composites are presented, and their advantages and disadvantages are analyzed. The multi-crack cracking model can determine the optimal mixing amount of fibers in the matrix. The fictitious crack model and crack band model are stress softening models describing the cohesion in the fracture process area. The pseudo-strain hardening model is mainly applied to ductile materials. The double-K fracture model mainly describes the fracture process of concrete. Additionally, the effects of polyvinyl alcohol (PVA) fibers and steel fibers (SFs) on the fracture properties of the matrix are analyzed. The fracture properties of cementitious composite can be greatly improved by adding 1.5–2% PVA fiber or 4% steel fiber (SF). The fracture property of cementitious composite can also be improved by adding 1.5% steel fiber and 1% PVA fiber. However, there are many problems to be solved for the application of cementitious composites in actual engineering. Therefore, further research is needed to solve the fracture problems frequently encountered in engineering.
APA, Harvard, Vancouver, ISO, and other styles
6

Aboulela, Amr, Matthieu Peyre-Lavigne, Cédric Patapy, and Alexandra Bertron. "Evaluation of the resistance of CAC and BFSC mortars to biodegradation: laboratory test approach." MATEC Web of Conferences 199 (2018): 02004. http://dx.doi.org/10.1051/matecconf/201819902004.

Full text
Abstract:
Biodeterioration of cementitious materials in sewer networks is a major concern for health and economic reasons. Essentially, it is due to the biological oxidation of H2S into H2SO4 leading to a local progressive dissolution of the cementitious matrix and the precipitation of expansive products likely to provoke cracks. However, it is widely known that CAC has a better performance in such environments but the mechanisms are not very well understood. Nevertheless, previous studies focused mainly on measuring the mass loss of the specimens accompanied with little information on the chemical alteration of the cementitious matrix. This study aims to compare the performance of CAC and BFSC mortars in sewer conditions using laboratory test (BAC-test). Leaching kinetics were evaluated by concentrations measurements of cementitious cations in the leached solutions and of sulphate production by the microorganisms. Moreover, SEM observations coupled with EDS analyses allowed the identification of the chemical alteration of the cementitious matrix.
APA, Harvard, Vancouver, ISO, and other styles
7

Ostertag, Claudia P., and ChongKu Yi. "Quasi-brittle behavior of cementitious matrix composites." Materials Science and Engineering: A 278, no. 1-2 (February 2000): 88–95. http://dx.doi.org/10.1016/s0921-5093(99)00588-2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Trapko, Tomasz. "Fibre Reinforced Cementitious Matrix confined concrete elements." Materials & Design 44 (February 2013): 382–91. http://dx.doi.org/10.1016/j.matdes.2012.08.024.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Ouyang, C., A. Pacios, and S. P. Shah. "Pullout of Inclined Fibers from Cementitious Matrix." Journal of Engineering Mechanics 120, no. 12 (December 1994): 2641–59. http://dx.doi.org/10.1061/(asce)0733-9399(1994)120:12(2641).

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Albahttiti, Mohammed T., Hayder A. Rasheed, Dunja Perić, and Lawrence Davis. "Assessment of wheat fibre reinforced cementitious matrix." IES Journal Part A: Civil & Structural Engineering 6, no. 3 (August 2013): 211–21. http://dx.doi.org/10.1080/19373260.2013.795503.

Full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Cementitious matrix"

1

Roe, Clarissa A. "Investigation of Carbon Nanomaterials Embedded in a Cementitious Matrix." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1750.

Full text
Abstract:
The objective of this thesis was to investigate whether the addition of carbon nanofibers had an effect on the splitting tensile strength of Hydro-Stone gypsum concrete. The carbon nanofibers used were single-walled carbon nanotubes (SWNT), buckminsterfullerene (C60), and graphene oxide (GO). Evidence of the nanofibers interacting with gypsum crystals in a connective manner was identified in both 1 mm thick concrete discs and concrete columns possessing a height of 2 in and a diameter of 1 in. Before imaging, the columns were subjected to a splitting tensile strength test. The results illustrate that while there is a general decrease in strength with an increase in nanofibers for the nanotubes and graphene oxide, the addition of C60 did not noticeably effect the strength. This trend is consistent with trends determined by previous studies.
APA, Harvard, Vancouver, ISO, and other styles
2

BRESCANSIN, JANAINA. "FRACTURE BEHAVIOR OF CEMENTITIOUS MATRIX COMPOSITES REINFORCED BY BAMBOO PULP." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2003. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3720@1.

Full text
Abstract:
CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
O uso de todos os tipos de amianto na construção civil tem diminuído drasticamente devido a problemas sérios de saúde associados a sua manipulação. De fato é previsto banir totalmente o seu uso, dentro de um curto espaço de tempo, nos países desenvolvidos bem como nos em desenvolvimento. Na necessidade de se encontrar um substituto adequado para o amianto, tem-se pesquisado compósitos de argamassa reforçada com fibras vegetais e polpas celulósicas. Devido ao processo de polpação, que remove as impurezas não celulósicas, como a lignina e a hemicelulose, diminuindo o ataque às fibras, sem a necessidade de recorrer a modificações na matriz cimentícia, as polpas celulósicas podem ser o substituto ideal para o amianto. Assim sendo, o principal objetivo desta dissertação é determinar experimentalmente as características mecânicas e os parâmetros de fratura de compósitos de matriz cimentícia reforçada por polpa de bambu refinada e sem refino. As polpas celulósicas foram utilizadas nas porcentagens de 8 e 14 por cento em relação à massa do cimento, porcentagens estas que, conforme a literatura, são associadas à otimização da energia absorvida no ensaio de flexão. A avaliação do comportamento mecânico dos compósitos considerados neste trabalho foi realizada através de ensaios de compressão e impacto, bem como de flexão em três pontos em espécimes não entalhados e em outros contendo entalhes de raios de curvatura diferentes. Propriedades mecânicas, tais como módulo de elasticidade, resistência à compressão, ao impacto e à flexão, bem como integral J na carga máxima, são apresentadas e discutidas em termos de aspectos microestruturais e fractográficos dos corpos de prova ensaiados.
As handling and manipulation of asbestos pose grave health hazards, its use in civil construction has been drastically dwindling and will in fact be completely prohibited, in a few years, in developed countries. With the need arising to find an adequate substitute, vegetable fibers and cellulosic pulps have been considered to be viable alternatives. Taking into account the fact that the process for pulp production entails the removal of impurities, such as lignin and hemicellulose, cellulosic pulps seem to be the ideal substitute to asbestos, as their use does not necessitate modifications in the cementitious matrix. Accordingly, the purpose of this work is to experimentally determine basic mechanical characteristics and pertinent fracture parameters of bamboo pulp reinforced cement. Refined and non-refined pulps were used in the proportions of 8 and 14 percent of the weight of dry cement. These percentages were adopted as they imply, according to literature, in optimizing the energy absorbed by the composite in bend loading. Evaluation of the mechanical behavior of the composites considered in this work was realized by means of compression and impact testing. Three point bend tests were also carried out using unnotched as well as notched specimens of different notch root radii. Mechanical properties such as modulus of elasticity, compressive, impact and bend strengths, and J integral at maximum load are presented and discussed in terms of pertinent microstructural and fractographic aspects of test specimens.
APA, Harvard, Vancouver, ISO, and other styles
3

Zucchini, Lorenzo. "Experimental analysis of fiber reinforced cementitious matrix (FRCM) confined masonry columns." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amslaurea.unibo.it/2667/.

Full text
Abstract:
The increasing use of Fiber Reinforced methods for strengthening existing brick masonry walls and columns, especially for the rehabilitation of historical buildings, has generated considerable research interest in understanding the failure mechanism in such systems. This dissertation is aimed to provide a basic understanding of the behavior of solid brick masonry walls unwrapped and wrapped with Fiber Reinforced Cementitious Matrix Composites. This is a new type of composite material, commonly known as FRCM, featuring a cementitious inorganic matrix (binder) instead of the more common epoxy one. The influence of the FRCM-reinforcement on the load-carrying capacity and strain distribution during compression test will be investigated using a full-field optical technique known as Digital Image Correlation. Compression test were carried on 6 clay bricks columns and on 7 clay brick walls in three different configuration, casted using bricks scaled respect the first one with a ratio 1:2, in order to determinate the effects of FRCM reinforcement. The goal of the experimental program is to understand how the behavior of brick masonry will be improved by the FRCM-wrapping. The results indicate that there is an arching action zone represented in the form of a parabola with a varying shape according to the used configuration. The area under the parabolas is considered as ineffectively confined. The effectively confined area is assumed to occur within the region where the arching action had been fully developed.
APA, Harvard, Vancouver, ISO, and other styles
4

Banholzer, Björn. "Bond behaviour of a multi-filament yarn embedded in a cementitious matrix." [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=974014958.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Quartarone, Giovanni. "Confinement of masonry columns with Steel Fiber Reinforced Cementitious Matrix (S-FRCM) composites." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

Find full text
Abstract:
The rehabilitation of existing masonry elements through jacketing of columns using composite materials is becoming a remarkable technique in several applications that aim to increase the strength of existing masonry building. An experimental campaign was conducted with Steel- and -Basalt Fiber Reinforced Cementitious Matrix (FRCM) systems, in order to test new products that might increase the advantages in terms of good adhesion to masonry substrate, breathability of the system, efficiency in aggressive environments, ease of installation and reversibility, which are essential for the preservation of historical buildings. The mean objective of this experimental study was to investigate the state of the improvement of square masonry columns, built in alternate stretcher and header bond configuration using as material confinement Steel- and-Basalt FRCM system, subjected to axial compression. Moreover, the effectiveness and influence of the confinement in terms of load-bearing capacity and strain distribution with respect to unconfined prisms was carried out. An optical technique, known as Digital Image Correlation (DIC), was employed to understand the interaction between the unit masonry components.
APA, Harvard, Vancouver, ISO, and other styles
6

Jung, Hyunchul. "Blast Retrofit of Unreinforced Masonry Walls Using Fabric Reinforced Cementitious Matrix (FRCM) Composites." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/40530.

Full text
Abstract:
Unreinforced masonry (URM) walls are commonly found in existing and heritage buildings in Canada, either as infill or load-bearing walls. Such walls are vulnerable to sudden and brittle failure under blast loads due to their insufficient out-of-plane strength. The failure of such walls under blast pressures can also result in fragmentation and wall debris which can injure building occupants. Over the years, researchers have conducted experimental tests to evaluate the structural behaviour of unreinforced masonry walls under out-of-plane loading. Various strengthening methods have been proposed, including the use of concrete overlays, polyurea coatings and advanced fiber-reinforced polymer (FRP) composites. Fabric-reinforced cementitious matrix (FRCM) is an emerging material which can also be used to strengthen and remove the deficiencies in unreinforced masonry walls. This composite material consists of a sequence of one or multiple layers of cement-based mortar reinforced with an open mesh of dry fibers (fabric). This thesis presents an experimental and analytical study which investigates the effectiveness of using FRCM composites to improve the out-of-plane resistance of URM walls when subjected to blast loading. As part of the experimental program, two large-scale URM masonry walls were constructed and strengthened with the 3-plies of unidirectional carbon FRCM retrofit. The specimens included one infill concrete masonry (CMU) wall, and one load-bearing stone wall. The University of Ottawa Shock Tube was used to test the walls under gradually increasing blast pressures until failure, and the results were compared to those of control (un-retrofitted) walls tested in previous research. Overall, the FRCM strengthening method was found to be a promising retrofit technique to increase the blast resistance of unreinforced masonry walls. In particular, the retrofit was effective in increasing the out-of-plane strength, stiffness and ultimate blast capacity of the walls, while delaying brittle failure and reducing fragmentation. As part of the analytical research, Single Degree of Freedom (SDOF) analysis was performed to predict the blast behaviour of the stone load-bearing retrofit wall. This was done by computing wall flexural strength using Plane Section Analysis, and developing an idealized resistance curve for use in the SDOF analysis. Overall, the dynamic analysis results were found to be in reasonable agreement with the experimental maximum displacements.
APA, Harvard, Vancouver, ISO, and other styles
7

Aljewifi, Hana, Bruno Fiorio, and Jean-Louis Gallias. "Quantitative methods to characterize the impregnation of a glass multifilament yarn by a cementitious matrix." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1244045911361-83528.

Full text
Abstract:
This paper focuses on two experimental methods that give indicators linked to the impregnation level of the yarn / matrix interface, in the case of Textile Reinforced Concrete (TRC). These methods have been tested on three different glass yarns laid in a cementitious matrix, with three different impregnation levels resulting from the manufacturing process. The first method (comparative mercury intrusion porosity test) is based on the evaluation by mercury intrusion porosity of the pores volume associated to the porosity inside and near the yarn. The second method (flow test) consists in measuring the flow rate of water along the yarn, with imposed flow conditions. The physical parameters measured by these two methods are both related to the pore size and to the porosity of the yarn / matrix interface. The results of the two methods are discussed and drawn in parallel to a qualitative characterization of the yarn matrix interface made by scanning electron microscopy. As a result, the connection between the results of the two methods and the SEM characterization is studied. It is shown how these methods can participate to characterize the yarn impregnation. Limitations of the methods are also discussed.
APA, Harvard, Vancouver, ISO, and other styles
8

Ilyas, Muhammad. "Development of nano-graphene cementitious composites (NGCC)." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/15828.

Full text
Abstract:
Ordinary Portland cement (OPC) is the main constituent of concrete works as a principal binder for aggregates and intrinsically transmits the brittleness into concrete through the formation of hydration crystals in the cement microstructure. A number of nano cementitious composites were developed in recent years to offset the brittleness with newly discovered nanomaterials and the most prevalent among those is the graphene oxide (GO). The main objective of this PhD research work is to develop nano graphene cementitious composites (NGCC) using low cost, two dimensional (2D) graphene nanoplatelets (GNPs) and one dimensional (1D) graphited carbon nanofibres (GCNFs) with unique conical surface morphology. The GNPs were sourced synthesised in an environmental friendly way via plasma exfoliation whereas, GCNFs were manufactured through catalytic vapour grown method. The project further investigated the effect of these nanomaterials in regulating the distinctive microstructure of cement matrix leading to enhance its mechanical properties. Three different types of high-performance NGCC namely NGCC-Dot, NGCC-Fnt and NGCC-CNF, are developed by activating pristine GNPs (G-Dot), functionalised GNPs (G-Fnt) and graphited nanofibers (G-CNFs) into the cement matrix respectively. It is found through various characterization and experimental techniques that both GNPs and GCNFs regulated the cement microstructure and influenced the mechanical properties of NGCC uniquely. A remarkable increase in the flexural and the tensile strength of newly developed NGCC has been achieved and that could be attributed to the formation of distinctive microstructure regulated by catalytic activation of these nanomaterials. The shape (1D, 2D) and unique morphology of these nanomaterials played a vital role in the mechanism of crystal formation to regulate the cement microstructure. Based on the observations of test results and comprehensive characterization, the possible mechanisms of crystal formation and development of distinctive microstructure of NGCC has been established which has then proceeded to the development of a physical model for NGCC development.
APA, Harvard, Vancouver, ISO, and other styles
9

Perez, Garcia Ramon. "Increasing the Blast Resistance of Concrete Masonry Walls Using Fabric Reinforced Cementitious Matrix (FRCM) Composites." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/42095.

Full text
Abstract:
Unreinforced masonry (URM) walls are often used as load-bearing or infill walls in buildings in many countries. Such walls are also commonly found in existing and heritage buildings in Canada. URM walls are strong structural elements when subjected to axial loading, but are very vulnerable under out-of-plane loads. This type of loading may come from different sources , including seismic or blast events. When subjected to blast, wall elements experience large pressures on one of their faces due to the high pressure produced in the air when an explosion takes place. This wave of compressed air travels in a very short time and hits the wall causing immense stresses, which result in large shear and bending demands that may lead to wall failure, and the projection of debris at high velocities that can injure building occupants. This failure process is highly brittle due to the very low out-of-plane strength that characterize such walls. In the past years, many investigations have been carried out to enhance the structural behaviour of unreinforced masonry walls under out-of-plane loading. Different strengthening methods have been studied, which include the use of polyurea coatings, the application of advanced fiber-reinforced polymer (FRP) composites or the use of concrete overlays in combination with high performance reinforcement. Fabric-reinforced cementitious matrix (FRCM) is a new composite material that overcomes some of the drawbacks of FRP. This composite material consists of applying coatings which consist of one or more layers of cement-based mortar reinforced with a corresponding open mesh of dry fibers (fabric). This material has been studied as a strengthening technique to improve in-plane and out-of-plane capacity of existing URM walls as well as other structural elements, mostly under seismic actions. This thesis presents an experimental and analytical study which investigates the effectiveness of using FRCM composites to improve the out-of-plane resistance of URM walls when subjected to blast loading. As part of the experimental program, three large-scale URM masonry walls were constructed and strengthened with 1,2 and 3 layers of FRCM using unidirectional carbon fabrics. In all cases the specimens were built as load-bearing concrete masonry (CMU) walls. To increase shear resistance, two of the walls were also grouted with a flowable self-compacting concrete (SCC) mortar. Blast tests were conducted using the University of Ottawa Shock Tube and the results are compared with control walls tested in previous research at the University of Ottawa. The experimental results show that the FRCM retrofit significantly improved the blast performance of the URM load-bearing walls, allowing for increased blast capacity and improved control of displacements. The performance of the retrofit was found to be dependent on the number of retrofit layers. As part of the analytical research, Single Degree of Freedom (SDOF) analysis was carried out to predict the blast behaviour of the strengthened walls. This was done by computing wall flexural strength using plane sectional analysis and developing idealized resistance curves for use in the SDOF analysis. In general, the analysis procedure is found to produce reasonably accurate results for both the resistance functions and wall mid-height displacements under blast loading.
APA, Harvard, Vancouver, ISO, and other styles
10

Jones, Mark Stevens. "Repair of Impact-Damaged Prestressed Bridge Girders Using Strand Splices and Fabric Reinforced Cementitious Matrix." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/76648.

Full text
Abstract:
This thesis investigates the repair of impact-damaged prestressed concrete bridge girders with strand splices and fabric-reinforced cementitious matrix systems, specifically for repair of structural damage to the underside of an overpass bridge girder due to an overheight vehicle collision. Collision damage to bridges can range from minor to catastrophic, potentially requiring repair or replacement of a bridge girder. This thesis investigates the performance of two different types of repair methods for flexural applications: strand splice repair, which is a traditional repair method that is often utilized, and fabric-reinforced cementitious matrix repair, which is a relatively new repair method. The overarching goal of this project was to provide guidance for assessment and potential repair of impact-damaged girders. Prestressed concrete girders were tested to failure in flexure in this research. After a control test to establish a baseline for comparison, five tests were performed involving damaging a girder, repairing it using one of the repair methods, and testing it to failure. These tests showed that both strand splice repairs and fabric-reinforced cementitious matrix repairs can adequately restore the strength of an impact-damaged girder when up to 10% of the prestressing strands are severed. Combined repairs can also be a viable option if more than 10% of the prestressing strands are severed, though as the damage gets more severe, girder replacement becomes a more attractive option.
Master of Science
APA, Harvard, Vancouver, ISO, and other styles
More sources

Book chapters on the topic "Cementitious matrix"

1

Krenchel, Herbert, and Henrik Stang. "Stable Microcracking in Cementitious Materials." In Brittle Matrix Composites 2, 20–33. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2544-1_2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Mallikarjuna and N. Banthia. "Macromechanics Modelling of Steel Fiber Pull-Out from Cementitious Matrices." In Brittle Matrix Composites 3, 174–83. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3646-4_19.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Carloni, Christian, Dionysios A. Bournas, Francesca G. Carozzi, Tommaso D’Antino, Giulia Fava, Francesco Focacci, Giorgio Giacomin, et al. "Fiber Reinforced Composites with Cementitious (Inorganic) Matrix." In Design Procedures for the Use of Composites in Strengthening of Reinforced Concrete Structures, 349–92. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-7336-2_9.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Mihashi, Hirozo. "Tension Softening Diagram and Mechanical Behavior of Fiber Reinforced Cementitious Composite Materials." In Brittle Matrix Composites 3, 111–20. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3646-4_12.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Zaitsev, Yu V., and K. L. Kovler. "Effect of Specimen Geometry, Stress State and Structure Heterogeneity of Cementitious Composite Materials on KIc." In Brittle Matrix Composites 1, 559–70. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4319-3_38.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Rai, Durgesh C., Bhushan Raj Selvaraj, and Lalit Sagar. "Masonry-Infilled RC Frames Strengthened with Fabric-Reinforced Cementitious Matrix." In Emerging Trends of Advanced Composite Materials in Structural Applications, 31–65. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1688-4_2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Sharma, Nitisha, Mohindra Singh Thakur, Viola Vambol, and Sergij Vambol. "Predicting Compressive Strength of Concrete Matrix Using Engineered Cementitious Composites." In Computational Technologies in Materials Science, 207–21. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003121954-10.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Carozzi, F. G., T. D’Antino, A. Gatti, G. Mantegazza, and C. Poggi. "Characterization of Fabric Reinforced Cementitious Matrix (FRCM) Composites for Structural Retrofitting." In Lecture Notes in Civil Engineering, 235–47. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-23748-6_18.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Scheffler, Christina, Serge Zhandarov, Enrico Wölfel, and Edith Mäder. "Interphases in Cementitious Matrix: Effect of Fibers, Sizings, and Loading Rates." In Strain-Hardening Cement-Based Composites, 275–83. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1194-2_32.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Chin, C. S., and R. Y. Xiao. "Experimental and Nonlinear Finite Element Analysis of Fiber-Cementitious Matrix Bond-Slip Mechanism." In High Performance Fiber Reinforced Cement Composites 6, 145–52. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2436-5_18.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Cementitious matrix"

1

Corbi, Ileana, and Ottavia Corbi. "Fabric reinforced cementitious matrix for strengthening of masonry vaulted structures." In CENTRAL EUROPEAN SYMPOSIUM ON THERMOPHYSICS 2019 (CEST). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5114518.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Farooq, Shah Zaib, T. G. Kil, and Haeng Ki Lee. "Heat-dependent electrical characteristics of CNT-based hybrid cementitious composites: Literature review." In IABSE Conference, Seoul 2020: Risk Intelligence of Infrastructures. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2020. http://dx.doi.org/10.2749/seoul.2020.237.

Full text
Abstract:
<p>In recent years, many researchers have worked on the development of cementitious composites as self-heating components. To meet the requirements of self-heating composites, carbon-based nanomaterials have been considered as an electrically conductive filler in the cementitious matrix because of their excellent electrical and thermal characteristics. Most researches have focused on the heating performances of the CNT-incorporated hybrid cementitious composites, while fewer efforts were given to observe heat-dependent electrical characteristics of the modified cementitious composites under self-heating condition. In this regard, this paper summarizes recent studies in literature conducted to investigate heat-dependent electrical characteristics of cementitious composites with carbon-based nanomaterials.</p>
APA, Harvard, Vancouver, ISO, and other styles
3

Kabele, P. "Effects of chemical exposure on bond between synthetic fiber and cementitious matrix." In ICTRC'2006 - 1st International RILEM Conference on Textile Reinforced Concrete. RILEM Publications SARL, 2006. http://dx.doi.org/10.1617/2351580087.009.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Aljazaeri, Zena R., and John J. Myers. "Strengthening of reinforced concrete beams in shear with fiber reinforced cementitious matrix." In International Conference on Performance-based and Life-cycle Structural Engineering. School of Civil Engineering, The University of Queensland, 2015. http://dx.doi.org/10.14264/uql.2016.762.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Mohammad, Rebin, and Ashraf Ayoub. "Behavior of Fiber Reinforced Cementitious Matrix Elements under Combined Thermo-Mechanical Loads." In Structures Congress 2019. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482247.025.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Jazaei, Robabeh, Moses Karakouzian, Brendan O’Toole, Jaeyun Moon, and Samad Gharehdaghi. "Failure Mechanism of Cementitious Nanocomposites Reinforced by Multi-Walled and Single-Walled Carbon Nanotubes Under Splitting Tensile Test." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88512.

Full text
Abstract:
Sudden concrete failure is due to inelastic deformations of concrete subjected to tension. However, synthesizing nanomaterials reinforcements has significant impact on cement-based composites failure mechanism. Nanomaterials morphology bridges cement crystals as homogeneous and ductile matrix. In this experiment, cement matrix with water to cement ratio of 0.5 reinforced by 0.2–0.6 wt% of functionalized (COOH group) multi-walled and single-walled carbon nanotubes were used. After sonication of carbon nanotubes in water solution for an hour, the cementitious nanocomposites were casted in cylindrical molds (25 mm diameter and 50 mm height). Failure mechanism of cementitious nanocomposite showed considerable ductility throughout splitting tensile test compared to cement mortar. Additionally, the failure pattern after developing the initial crack provided additional time before ultimate failure occurred in cement-based nanocomposites. The evolution of crack propagation was assessed until ultimate specimen failure during splitting-tensile test on cementitious nanocomposite surface. The deformation of cross section from circle to oval shape augmented tensile strength by 50% in cementitious nanocomposite compared to conventional cement mortar.
APA, Harvard, Vancouver, ISO, and other styles
7

Okten, Mehmet Selim, Cemil Ozkan, Mustafa Gencoglu, and Kadir Guler. "Shear Strength Behavior Of Infill Walls Strengthened By Carbon Fiber Reinforced Cementitious Matrix." In The Seventh International Structural Engineering and Construction Conference. Singapore: Research Publishing Services, 2013. http://dx.doi.org/10.3850/978-981-07-5354-2_st-151-467.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Drace, Zoran, and Michael I. Ojovan. "Cementitious Materials for Radioactive Waste Management Within IAEA Coordinated Research Project." In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59021.

Full text
Abstract:
The IAEA Coordinated Research Project (CRP) on cementitious materials for radioactive waste management was launched in 2007 [1, 2]. The objective of CRP was to investigate the behaviour and performance of cementitious materials used in radioactive waste management system with various purposes and included waste packages, wasteforms and backfills as well as investigation of interactions and interdependencies of these individual elements during long term storage and disposal. The specific research topics considered were: (i) cementitious materials for radioactive waste packaging: including radioactive waste immobilization into a solid waste form, (ii) waste backfilling and containers; (iii) emerging and alternative cementitious systems; (iv) physical-chemical processes occurring during the hydration and ageing of cement matrices and their influence on the cement matrix quality; (v) methods of production of cementitious materials for: immobilization into wasteform, backfills and containers; (vi) conditions envisaged in the disposal environment for packages (physical and chemical conditions, temperature variations, groundwater, radiation fields); (vii) testing and nondestructive monitoring techniques for quality assurance of cementitious materials; (viii) waste acceptance criteria for waste packages, waste forms and backfills; transport, long term storage and disposal requirements; and finally (ix) modelling or simulation of long term behaviours of cementations materials used for packaging, waste immobilization and backfilling, especially in the post-closure phase. The CRP has gathered overall 26 research organizations from 22 Member States aiming to share their research and practices on the use of cementitious materials [2]. The main research outcomes of the CRP were summarized in a summary report currently under preparation to be published by IAEA. The generic topical sections covered by report are: a) conventional cementitious systems; b) novel cementitious materials and technologies; c) testing and waste acceptance criteria; and d) modelling long term behaviour. These themes as well as all contributions of participating organizations were further developed in the individual reports to be presented in the IAEA publication. The CRP facilitated the exchange of information and research co-operation in resolving similar problems between different institutions and contributed towards improving waste management practices, their efficiency and general enhancement of safety.
APA, Harvard, Vancouver, ISO, and other styles
9

Yu, Jing, Lingshi Meng, and Christopher Leung. "Pull-out Response of Single Steel Fiber Embedded in PVA Fiber Reinforced Cementitious Matrix." In 9th International Conference on Fracture Mechanics of Concrete and Concrete Structures. IA-FraMCoS, 2016. http://dx.doi.org/10.21012/fc9.021.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Ukrainczyk, Neven, Eduardus A. B. Koenders, and Klaas van Breugel. "Cementitious Sealing Material: 3D Digital Image Based Characterization of Pore Size Distribution and Modeling of Transport Properties." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10954.

Full text
Abstract:
Exhausted oil and gas reservoirs are one of the most potential storage facilities to sequestrate the worlds CO2. These reservoirs are sealed with cementitious materials, that should have a long time performance. Therefore, this paper emphasizes the characterization of the evolving capillary pore network and transport properties of the cementitious microstructure used to seal the wellbore. The Hymostruc numerical model is employed to simulate the development of an evolving virtual microstructure of cementitious materials. The simulated 3D microstructures were then digitized to form a matrix of cubic voxels. The pore-size distributions of the obtained virtual microstructures were calculated using a combination of three-dimensional digital image processing algorithms: 1) distance transform and 2) medial axis thinning algorithm to obtain a 3D skeleton of the pore structure. Transport properties of the simulated microstructures are analyzed employing a finite difference 3D transport model. The modeling results are compared with available literature results.
APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "Cementitious matrix"

1

Thornell, Travis, Charles Weiss, Sarah Williams, Jennifer Jefcoat, Zackery McClelland, Todd Rushing, and Robert Moser. Magnetorheological composite materials (MRCMs) for instant and adaptable structural control. Engineer Research and Development Center (U.S.), November 2020. http://dx.doi.org/10.21079/11681/38721.

Full text
Abstract:
Magnetic responsive materials can be used in a variety of applications. For structural applications, the ability to create tunable moduli from relatively soft materials with applied electromagnetic stimuli can be advantageous for light-weight protection. This study investigated magnetorheological composite materials involving carbonyl iron particles (CIP) embedded into two different systems. The first material system was a model cementitious system of CIP and kaolinite clay dispersed in mineral oil. The magnetorheological behaviors were investigated by using parallel plates with an attached magnetic accessory to evaluate deformations up to 1 T. The yield stress of these slurries was measured by using rotational and oscillatory experiments and was found to be controllable based on CIP loading and magnetic field strength with yield stresses ranging from 10 to 104 Pa. The second material system utilized a polystyrene-butadiene rubber solvent-cast films with CIP embedded. The flexible matrix can stiffen and become rigid when an external field is applied. For CIP loadings of 8% and 17% vol %, the storage modulus response for each loading stiffened by 22% and 74%, respectively.
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Cementitious matrix' for particular source types:
Journal articles Dissertations / Theses
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography