Abstract：A yielding technology of segment lining combined with compressible crushed stone was proposed， which was suitable for deep inclined shaft construction using TBM method under high in-situ stress. The long distance inclined shaft constructed with TBM in Taigemiao mine area was investigated. The yield effect of compressible crushed stone was analyzed from several respects of the plastic zone development of surrounding rock，radial contact force behind segment lining，bending moment and axial force in segment lining. The yield mechanism of compressible crushed stone was revealed from the compressive deformation path and movement characteristics. The results showed that the in-situ stress distribution and compactness of crushed stone affected the yield result. The compactness affected the value of contact force while the in-situ stress condition affected the shape of the contact force，which affected the distributions and values of internal forces in segment lining eventually. The yield mechanism of crushed stone layer consists of two parts：mutual wedging action and dislocation displacement effect. The effects of the two parts varied with the compactness of crushed stone layer and the in-situ stress value and distribution，which caused the difference of the compressive deformation path，so that led to the different yield effect eventually.
胡雄玉1，晏启祥1，何 川1，齐 春1，王晓林2. 管片衬砌配合碎石可压缩层的斜井支护结构型式及其应用[J]. 岩石力学与工程学报, 2016, 35(3): 579-591.
HU Xiongyu1，YAN Qixiang1，HE Chuan1，QI Chun1，WANG Xiaolin2. A support structure of segment lining combined with compressible
crushed stone and its applications in inclined shaft. , 2016, 35(3): 579-591.
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2016, Vol. 35 
