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深井支护的研究和实践表明,普通整体灌筑混凝土井壁,无论就其承载能力,还是就其可变形性,常常遇到与之不相适应的条件。在工程地质和水文地质条件复杂的区段,即使掘进深度不大的竖井,也发现这种
The research and practice of deep well support shows that the common whole cast-in concrete shaft lining often encounters incompatible conditions in terms of its carrying capacity or its deformability. In sections where engineering geology and hydrogeological conditions are complex, this type of excavation is found