Cement & Concrete Composites
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#2Xiang HuH-Index: 11
Last. Deju ZhuH-Index: 27
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#1Wu-Jian Long (SZU: Shenzhen University)H-Index: 14
#2Jing Xie (SZU: Shenzhen University)
Last. Kamal H. Khayat (Missouri University of Science and Technology)H-Index: 63
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Abstract null null This work aims to propose a novel method to treat the defects of delayed hydration and low early-age strength of cementitious composites blended with high-volume fly ash (HVFA). The influence of calcined layered double hydroxide (CLDH) on mechanical properties, hydration process and microstructure of HVFA cementitious composites have been explored. Assessed properties of HVFA cementious composites incorporated various contents of CLDH included compressive strength, flowability...
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#1Kumar Avadh (UTokyo: University of Tokyo)
#2Punyawut Jiradilok (Kasetsart University)H-Index: 4
Last. Kohei Nagai (UTokyo: University of Tokyo)H-Index: 12
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Abstract null null Corrosion induced rebar deterioration and concrete cracking alter the local bond interactions in reinforced concrete. An experimental methodology for investigating changes in the local deformation at the interface, caused by rib height reduction and corrosion layer is proposed. The effect of concrete cracking is eliminated by re-casting corroded rebars into new specimens. Local bond interaction is examined using uniaxial tensile tests and recorded through an observation window...
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#1G.M. Moelich (Stellenbosch University)
#2J.E. van Zyl (Stellenbosch University)H-Index: 2
Last. Riaan Combrinck (Stellenbosch University)H-Index: 10
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Abstract null null Plastic shrinkage cracking (PSC) in concrete is related to the amount and rate of free pore water loss due to evaporation. This study investigates the influence of solar radiation on evaporation, the concrete temperature, plastic shrinkage and cracking. Literature suggests that exposure to solar radiation can either: increase the concrete temperature and, consequently, increase the rate of tensile strength gain resulting in less severe PSC or can increase the concrete temperat...
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#1Pierre EstephaneH-Index: 1
#2Edward J. Garboczi (NIST: National Institute of Standards and Technology)H-Index: 79
Last. Olafur H. Wallevik (RU: Reykjavík University)H-Index: 16
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Abstract null null This study follows a first paper written on some three-dimensional geometrical quantities of a selection of sand particles from the United Arab Emirates (UAE), determined using a combination of X-ray microcomputed tomography (μCT) and spherical harmonic analysis, and their correlation to the properties of mortars made with these sands, with no added dispersant. This paper studies other shape metrics of these same sands, the degree of convexity and the Hofman shape entropy, and...
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#1Zuwang Bian (FZU: Fuzhou University)
#2Guowang Jin (FZU: Fuzhou University)
Last. Tao Ji (FZU: Fuzhou University)
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Abstract null null The utilization of ferronickel slag into the alkali-activated system is promising to mitigate environmental pollution. Due to slower reaction rate and satisfactory strength, a combined activator of Ca(OH)2 and Na2CO3 (molar ratio of 1: 1) was used to investigate the effect of combined activator content (i.e. 3, 5, 7 and 9% Na2O equivalent) on the workability, water requirement of normal consistency, setting time, soundness and compressive strength of alkali-activated ferronick...
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#1Shan He (NTU: Nanyang Technological University)
#2En-Hua Yang (NTU: Nanyang Technological University)H-Index: 32
Abstract null null Variability of concrete properties has strong influences on design and conformity assessment. However, variability of residual flexural strengths of steel fiber-reinforced concrete (SFRC) has yet been statistically investigated. In this study, a large number of SFRC specimens was sampled from a central mix concrete plant manufacturing precast SFRC elements for a real civil infrastructure project. Variability of residual flexural strengths of SFRC are reported. Results show tha...
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#1Yue Li (Beijing University of Technology)H-Index: 16
#2Yunze Liu (Beijing University of Technology)
Last. Rui Wang (Beijing University of Technology)H-Index: 2
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Abstract null null This paper aims to quantitatively evaluate the creep properties of concrete through microscopic tests with a multiscale mechanical homogenization method considering interface transition zone (ITZ). The concrete samples with 0 or 10% silica fume were subjected to a 360-day macroscopic test. A series of indentation tests, microscopic tests and theoretical studies were carried out to obtain the creep properties of individual phases of hardened paste and contact creep modulus and ...
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#1Zhengyu Zhu (Hohai University)H-Index: 1
#2Hongqiang Chu (Hohai University)H-Index: 13
Last. Linhua Jiang (Hohai University)H-Index: 24
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Abstract null null Electrodeposition of Cu2O on the concrete surface was applied to protect the concrete sewers from microbially induced corrosion. The effects of deposition time, current density, and electrolyte type and concentration on the antimicrobial properties of the Cu2O-electrodeposited mortar specimen were investigated. X-ray diffraction analysis and scanning electron microscopy-energy dispersive X-ray spectrometry were performed to analyse the morphology and chemical composition of th...
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Top fields of study
Mortar
Composite material
Materials science
Compressive strength
Cement
Structural engineering