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。
Recently, localized planar zones of deformation have been discovered in high-porosity rock, which are called compaction bands, shear bands and dilation bands.
高孔隙岩石的三种局部化变形方式：压缩带、剪切带和膨胀带是常见的三种在野外已经找到证据的变形方式。
On the contrary, the porosity of dilation bands is quite bigger than the surrounding rocks. Thus dilation bands are perpendicular to the minor principal stress, accompanied by shear bands.
膨胀条带与压缩条带相反，孔隙度明显大于周围岩石，发生在垂直于最小主应力方向上，并与剪切条带共生。
On the contrary, the porosity of dilation bands is quite bigger than the surrounding rocks. Thus dilation bands are perpendicular to the minor principal stress, accompanied by shear bands.
膨胀条带与压缩条带相反，孔隙度明显大于周围岩石，发生在垂直于最小主应力方向上，并与剪切条带共生。
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