以下为句子列表：
英文: According to calculations, it was necessary to adopt a new type of structure of the shaft lining with vertically yieldable segments for reason of safety.
中文: 分析计算表明：应采用竖向可缩新型井壁结构防止井壁因冲积层疏排水而破坏。
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英文: The simulation tests were carried out to study the variation of the vertical additional force acted on shaft lining by surrounding soils during dewatering of alluvium by means of multi-function rig in vertical shaft.
中文: 摘要利用大型竖井模拟试验台，对冲积层疏排水过程中立井井壁受到的竖直附加力的变化规律开展了模拟试验研究。
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