Search Results - "van Zijl, Gideon"

A review of 3D concrete printing systems and materials properties: current status and future research prospects by Paul, Suvash Chandra, van Zijl, Gideon P.A.G, Tan, Ming Jen, Gibson, Ian

“…Purpose Three-dimensional printing of concrete (3DPC) has a potential for the rapid industrialization of the housing sector, with benefits of reduced…”
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Effect of Fibers on Durability of Concrete: A Practical Review by Paul, Suvash Chandra, van Zijl, Gideon P A G, Šavija, Branko

“…This article reviews the literature related to the performance of fiber reinforced concrete (FRC) in the context of the durability of concrete infrastructures…”
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Properties of cement-based composites using nanoparticles: A comprehensive review by Paul, Suvash Chandra, van Rooyen, Algurnon S., van Zijl, Gideon P.A.G., Petrik, Leslie Felicia

“…•Influence of nanoparticles on the properties of cement-based materials is discussed.•Nanoparticles can significantly alter the hydration mechanism of cement…”
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On the emergence of 3D printable Engineered, Strain Hardening Cementitious Composites (ECC/SHCC) by Li, Victor C., Bos, Freek P., Yu, Kequan, McGee, Wes, Ng, Tsz Yan, Figueiredo, Stefan Chaves, Nefs, Karsten, Mechtcherine, Viktor, Nerella, Venkatesh Naidu, Pan, Jinlong, van Zijl, Gideon P.A.G., Kruger, P. Jacques

“…While interest in 3D printing of concrete (3DCP) and structures has been growing, a major obstacle for implementation of 3DP construction method is the need…”
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Chloride ingress in cracked and uncracked SHCC under cyclic wetting-drying exposure by Paul, Suvash Chandra, van Zijl, Gideon P.A.G., Babafemi, Adewumi John, Tan, Ming Jen

“…•Chloride content in cracked SHCC and mortar in loaded and unloaded specimens.•First publication of free and total chloride content in cracked SHCC.•Rapid…”
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Analysis of combined action of seismic loads and alkali-silica reaction in concrete dams considering the key chemical-physical-mechanical factors and fluid-structure interaction by Pourbehi, Mohammad S., van Zijl, Gideon P.A.G., Strasheim, J.A.vB

“…This paper presents the results of the numerical analysis of concrete dam structures which are affected by Alkali Silica Reaction (ASR) and subjected to…”
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Applied Voltage on Corrosion Mass Loss and Cracking Behavior of Steel-Reinforced SHCC and Mortar Specimens by Paul, Suvash Chandra, Babafemi, Adewumi John, Conradie, Kevin, van Zijl, Gideon P. A. G

“…AbstractThis study compares the durability, in terms of resistance to corrosion, of strain-hardening fiber-reinforced cement-based composite (SHCC) and the…”
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Comparative testing of crack formation in strain-hardening cement-based composites (SHCC) by van Zijl, Gideon P. A. G., Slowik, Volker, Toledo Filho, Romildo D., Wittmann, Folker H., Mihashi, Hirozo

“…Two of the main activities of RILEM Technical Committee 208-HFC Subcommittee 2 were the preparation and publication of the state-of-the-art report on…”
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Dilatant Transverse Pull-Out Response of Hooked-End Steel Fiber from Concrete: Novel Test Method by Zeranka, Stephan, van Zijl, Gideon P. A. G

“…AbstractContrary to the extensive literature available on the axial pull-out behavior of individual steel fibers embedded in a cement-based matrix, including…”
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Corrosion propagation in cracked reinforced concrete, toward determining residual service life by Bezuidenhout, Schalk R., Zijl, Gideon P.A.G.

“…Durability of reinforced concrete (RC) is influenced by cracks, providing paths for ingress of corrosion agents and early corrosion initiation. The corrosion…”
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Characterization of Equivalent Struts for Macromodeling of Infilled Masonry RC Frames Subjected to Lateral Load by Mbewe, Peter B. K, van Zijl, Gideon P. A. G

“…AbstractEvaluation of the seismic performance of infill frame structural systems using equivalent strut models and pushover analysis has gained popularity due…”
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A simplified non-linear structural analysis of reinforced concrete frames with masonry infill subjected to seismic loading by Mbewe, Peter B.K., van Zijl, Gideon P.A.G.

“…•A new truss analogy analysis method for RC frames with infill.•A closed form solution procedure is proposed.•Simple linearised stress-strain material…”
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Durability of strain-hardening cement-based composites (SHCC) by van Zijl, Gideon P. A. G., Wittmann, Folker H., Oh, Byung H., Kabele, Petr, Toledo Filho, Romildo D., Fairbairn, Eduardo M. R., Slowik, Volker, Ogawa, Atsuhisa, Hoshiro, Hideki, Mechtcherine, Viktor, Altmann, Frank, Lepech, Michael D.

“…Strain-hardening cement-based composites were named after their ability to resist increased tensile force after crack formation, over a significant tensile…”
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Sprayed strain-hardening cement-based composite overlay for shear strengthening of unreinforced load-bearing masonry by van Zijl, Gideon PAG, de Beer, Leon

“…Strengthening of unreinforced masonry walls is realised by a bonded overlay of strain-hardening cement-based composite. In-plane shearing resistance is…”
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Characterising the time-dependant behaviour on the single fibre level of SHCC: Part 2: The rate effects on fibre pull-out tests by Boshoff, William P., Mechtcherine, Viktor, van Zijl, Gideon P.A.G.

“…This paper is the second part of a two paper series about the time-dependant behaviour of Strain Hardening Cement-based Composite (SHCC) on the single fibre…”
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Improved mechanical performance: Shear behaviour of strain-hardening cement-based composites (SHCC) by van Zijl, Gideon P.A.G.

“…The retardation of moisture and gas ingress associated with important degradation mechanisms in cement-based composites in general and reinforced concrete or…”
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Chloride Induced Corrosion and Carbonation in 3D Printed Concrete by Malan, Jean De’M, van Rooyen, Algurnon Steve, van Zijl, Gideon P. A. G.

“…The durability of reinforced concrete structures is dependent on the ability of the concrete cover to combat the ingress of chlorides and carbon dioxide in…”
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Characterising the time-dependant behaviour on the single fibre level of SHCC: Part 1: Mechanism of fibre pull-out creep by Boshoff, William P., Mechtcherine, Viktor, van Zijl, Gideon P.A.G.

“…SHCC (Strain Hardening Cement-based Composite) has been designed and optimised to overcome the main weaknesses of ordinary concrete, which is its brittleness…”
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Finite element analysis of single-storey unreinforced alternative masonry walls by De Villiers, Wibke I, Van Zijl, Gideon PAG, Boshoff, William P

“…The most commonly cited obstacles to the uptake of alternative masonry units on a meaningful scale, despite significant research investment, are a lack of…”
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Mitigation of lack of fusion in 3D printed limestone calcined clay cement concrete induced by effective microorganisms by Ibrahim, Kamoru A., van Zijl, Gideon P.A.G., Babafemi, Adewumi J.

“…Limestone calcined clay cement (LC3) and other supplementary cementitious materials reduce the carbon footprint by replacing clinker/cement content in 3D…”
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