UPGRADE AND VALIDATION OF THERMO-HYDRO-MECHANICAL COUPLING ANALYSIS PLATFORM
LIU Naifei1，LI Ning1，2，HE Min1，3
(1. Institute of Geotechnical Engineering，Xi’an University of Technology，Xi’an ，Shaanxi 710048，China；
2. State Key laboratory of Frozen Soil Engineering，Cold and Arid Regions Environmental and Engineering Research Institute，Chinese Academy of Sciences，Lanzhou，Gansu 730000，China；3. Xibei Engineering Corporation，Xi’an，Shaanxi 710048，China)
Abstract：The thermo-hydro-mechanical(THM) coupling study is one of advanced problems in geotechnical engineering field，which has a wide application in frozen earth roadbed，nuclear waste disposal，geothermal development，and so on. By in-depth analysis of 3G2001 analysis platform，the deficiency of the analysis platform is pointed out and some internal weaknesses of the computation module also are revised which include some bugs of subprogram，great gaps of the equivalent stiffness matrix?s principal component and some other internal weaknesses. Besides，coupling analysis platform has been upgraded from 3G2001 to 3G2012 whose reliability and precision has been fully verified by one-way frost heaving experiment by E. Penner and T. Ueda. It shows that the analysis results of 3G2012 agre well with experimental results and results of M. Shen and B. Ladanyi，which completely accords with frost heaving laws and project experience. Especially the frost deformations by the 3G2012 are closer to the experimental results than those of M. Shen and B. Ladanyi. The 3G2012?s accuracy could fully meet the engineering requirements and could be popularized and applied to the actual geotechnical problems.
W Skrotzki W. An estimate of the brittle to ductile transition in salt，the first conference on the mechanical behavior of salt[M]. [s. l.]Trans Technology Publications，1984：381-388.
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2014, Vol. 33 
