Thermal Cracking Resistance of Shotcrete Based on Temperature Matched Curing

Bo Chen; Jian Tong Ding; Yue Bo Cai; Qiu Bo Kang

doi:10.4028/www.scientific.net/AMR.391-392.849

Paper Titles

Effect of the Al Incorporation on the Dispersibility and Crystallization of AZO Nanoparticles Prepared by Sol-Gel Combustion Technique
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Characterization of Nanosize Mn-Zn Ferrites Coated with Citric Acid
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Effect of Sintering Conditions on the Properties of Mn-Zn Ferrites Produced by Co-Precipitation
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Fundamental Research of Sintering Process on Improving the Tumbler Strength of Low SiO₂ Sinter
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Thermal Cracking Resistance of Shotcrete Based on Temperature Matched Curing
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Effect of Metakaolin Mixed with Fly Ash on the Strengths of Concrete
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Preparing of the Nano ATO Heat-Insulation Glass Coating
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Effect of Heat Treatment on Properties and Structural Changes of Poly(p-Phenylene Benzobisoxazole) Fiber
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Influence of Ion Current Density on the Surface Morphology of AZ31 Magnesium Alloy Irradiated by High-Intensity Pulsed Ion Beam
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Thermal Cracking Resistance of Shotcrete Based on Temperature Matched Curing

Abstract:

In order to evaluate the thermal cracking resistance of shotcrete under the condition of practical temperature field and strong restrain, a proper test method is needed. Based on temperature matched curing and by applying temperature stress testing machine, a new test method has been provided. With the application of this test method, thermal cracking resistance of three shotcretes with different types of fiber were investigated. Test results show that the cracking tendency of different shotcretes can be distinguished with the parameter of the difference between the max temperature and the cracking temperature.