...附加荷载;土体损失 [gap=1355]y words:tunneling engineering;pipe jacking;underground pipeline;additional load;ground loss ...
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提出土体损失引起的三维地面变形计算公式。
Formula of ground deformation induced by ground loss was offered.
根据土体损失的空间分布规律，应用镜像法原理，推导了土体损失产生的附加应力计算公式。
According to the space regularities of distribution of ground loss and by image method theory, the calculation formulas of superimposed stress are deduced.
在相同土体损失率时，与正常工况相比，旋转工况产生的最大沉降量变小，但沉降槽宽度变大。
At the same rate of soil loss, the maximum settlement value induced under the rotated condition is smaller than that under the normal condition, but the settlement trough width is larger.
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