STUDY OF MECHANICAL PROPERTIES AND TEMPERATURE FIELD
OF FROZEN WALL IN CRETACEOUS STRATA
YANG Gengshe1，QU Yonglong2，XI Jiami1
(1. School of Architecture and Civil Engineering，Xi?an University of Science and Technology，Xi?an，Shaanxi 710054，China；
2. Xi?an Investigation and Design Research Institute of China National Non-ferrous Metals Industry，Xi?an，Shaanxi 710064，China)
Abstract：The physico-mechanical characteristics of cretaceous rocks in frozen conditions were studied with the laboratory testing，the field measurement and the finite element simulation. The frozen mechanism of the shaft wall during the period of shaft excavation was discussed；and the variation and causes of freezing pressure in the frozen wall in the cretaceous layer were analyzed in detail. The measured temperatures on the frozen wall and in the thermometer holes were compared with the simulated results yielding the influence range of heating of the concrete hydration on the frozen wall to be 440–480 mm.
杨更社1，屈永龙2，奚家米1. 白垩系地层煤矿立井冻结壁的力学特性及温度场研究[J]. 岩石力学与工程学报, 2014, 33(09): 1873-1879.
YANG Gengshe1，QU Yonglong2，XI Jiami1. STUDY OF MECHANICAL PROPERTIES AND TEMPERATURE FIELD
OF FROZEN WALL IN CRETACEOUS STRATA. , 2014, 33(09): 1873-1879.
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2014, Vol. 33 
