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阐述了滑动可缩井壁的工作机理，以及滑动夹层材料的合理配方和力学特性，通过模拟试验得到了夹层在不同温度和不同围压下的抗剪强度和传力性能，为滑动可缩井壁的推广使用提供了重要的设计参数。
The working mechanism of slippery shrinkable wall and the reasonable formulation and mechanical properties of sliding sandwich material are expounded. The shear strength and force transfer performance of interlayer under different temperatures and different confining pressures are obtained through simulation experiments. The promotion of the use of wall provides important design parameters.