...息 关键词 ： 应变软化；剪胀；井壁稳定；统一强度理论；地下工程 [gap=1063]Keywords : strain softening；shear dilation；wellbore stability；unified strength theory；geotechnical engineering ..
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The study shows that laneway floor heave has various types such as extrusion, deflection, inflation and shear dilation, with the shear dilation being the most commonly seen.
研究表明，巷道底臌有挤压、挠曲、膨胀和剪胀等形式，剪胀底臌是最常见的一种形式。
Field and experimental results of localized deformation bands in high porosity rocks such as compaction bands, shear bands and dilation bands are introduced.
介绍高孔隙度岩石局部化变形条带中压缩条带、剪切条带和膨胀条带的野外和实验研究的进展。
Recently, localized planar zones of deformation have been discovered in high-porosity rock, which are called compaction bands, shear bands and dilation bands.
近几年在野外和实验室都发现高孔隙岩石中局部化变形的压缩带、剪切带和膨胀带，是目前岩石力学、岩石物理和本构模型研究的热点之一。
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