研究结果表明，砂浆衬砌外侧存在一个抗剪强度明显高于原状土体的土质外衬。
The study results indicate that there is a soil liner shell outside the mortar liner shell, and the shear strength of the soil liner is obviously higher than the undisturbed soil.
研究结果表明，砂浆衬砌外侧存在一个抗剪强度明显高于原状土体的土质外衬。
The study results indicate that there is a soil liner shell outside the mortar l…
对割缝衬管在防砂井中受外挤力作用进行了分析，计算了井底压力（包括流体流经砾石层和割缝衬管的压降） ，建立了衬管割缝参数与割缝条幅弯曲强度及刚度之间的关系式。
The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slotted pipe was proposed.
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