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带防水层的复合厚壁园筒井壁是近几年来在建井工程中广泛应用的一种新型井壁。本文研究了双层井壁的应力分析问题,获得了这一问题形式简便的严格解。所得解很容易地推广到多层壁的情况,全部解答均十分便于应用。
The composite thick-walled tubular borehole wall with waterproof layer is a new well wall widely used in well construction projects in recent years. This paper studies the problem of stress analysis of double-wall boreholes and obtains a simple and rigorous solution to this problem. The resulting solution can be easily extended to multi-layered walls, and all solutions are very easy to apply.