Results 11 to 20 of about 42,334 (260)
Time-dependent mechanical behavior of tunnel linings under sulfate attack
The chemical-mechanical coupling effect of tunnel lining concrete under sulfate attack will lead to the degradation of its mechanical properties, and the degradation law is affected by many factors.
HE Wen-zheng 1, 2, XU Lin-sheng 1
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In order to study the sulfate resistance of rubber concrete (RC), the compressive strength test of RC with different contents (0%, 5%, 10%, and 15%) was carried out, and the proportion of RC with standard curing for 28 days was optimized.
Xiu-ling Chen
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In this work, sulfate resistance of calcium sulfoaluminate cement (CSAC) blended with ground granulated blast furnace slag (GGBFS) was studied. The mass change, compressive strength, corrosion resistance coefficient, relative dynamic elastic modulus and ...
Danying Gao +4 more
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Corrosion resistance of multiscale polypropylene fiber-reinforced concrete under sulfate attack
To study the corrosion resistance properties of multiscale polypropylene fiber-reinforced concrete (MPFRC) when subjected to sulfate attack, two types of fine polypropylene fiber (FPF) and one type of coarse polypropylene fiber (CPF) were selected for ...
Ninghui Liang +4 more
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Experimental Study on Sulfate Attack Resistance of Cement Slurry with UEA Expansive Agent [PDF]
Sulfate attack was one of the most important factors affecting the durability of cement slurry in mine corrosive environment. For water stopping and reinforcement projects in wellbore or working face under sulfate erosion environment, mineral admixtures ...
XU Ganggang, WANG Xiaodong, WANG Hai
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Durability of in situ shotcrete under external sulfate attack was investigated, taking into consideration the addition of mineral admixtures, along with the presence of chloride ions.
Ruiqiang Zhao +4 more
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The use of coral sand filler and supplementary cementitious materials partially replacing Portland cement facilitates the utilization of coral debris waste in oceanic construction as well as CO2 emission.
Xinjun Song, Ying Ma
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Deterioration process of high belite cement (HBC) paste with and without 30 wt.% fly ash, when exposed to sulfate attack, calcium leaching and the dual actions, was investigated by mass loss, expansion rate, porosity, corrosion depth, compressive ...
Chunmeng Jiang +4 more
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Sulfate attack is the most common form of the durability damage of hydraulic concrete, and the performance degradation of cracked structural components is more significant at the position of water level change.
Junxia Liu +4 more
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Experimental study on sulfate resistance of shotcrete with different liquid accelerators
The shotcrete used as the initial lining of tunnel was easily damaged by sulfate attack in groundwater environment. The purpose of this study was mainly to explore the deterioration and mechanism of shotcrete mixed with different liquid accelerators ...
Renhe Yang +7 more
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