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《Chinese Journal of Underground Space and Engineering》 2006-S2
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Block Theory and Its Application in Surrounding Rock Stability Analysis in Underground Opening

LIU Fu-yang ZHU Zhen-de SUN Shao-rui (Research Institute of Geotechnical Engineering,Hohai University,Nanjing 210098,China)  
Because of the needs in rock engineering,various kinds of caverns are excavated in natural rock mass.With the excavation,the whole or parts of blocks in these rock mass which originally exists discontinuity and consists of spaeial jointed blocks will slide,then,the instability or even failure will take place.The Block Theory in- troduced in this paper is developed in recent ten years,it is an effective and reliable method for discontinuously joint- ed rock mass stability analysis,which also have been applied and confirmed widely.Through a simple example the stability of a cave in rock mass is anslyzed with Block Theory,and then the procedure UNWEDCE is also used for comparison and analysis.So the Block Theory can he applied for determining the movable blocks,which is helpful for rock engineering and ensures the security in engineering.
【Fund】: 国家自然科学基金委员会;; 二滩水电开发有限公司雅砻江水电开发联合研究基金项目(50539090);; 国家自然科学基金项目(NO.50479021)。
【CateGory Index】: TU457
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1 LIANG Ning①② WU Faquan① LIU Tong① LIU Jianyou①(①Key Lab of Engineering Geomechanics,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029)(②Graduate University of Chinese Academy of Sciences,Beijing 100049);APPLICATION OF BLOCK THEORY BASED STEREO-ANALYTICAL METHOD TO STABILITY ANALYSIS OF CONVEYOR TUNNEL AT JINPING Ⅱ HYDROPOWER STATION[J];Journal of Engineering Geology;2009-03
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