控制地层位移以及保证繁忙线路的安全，是设计和施工中必须解决的主要问题。
The main issue considered both in the design and construction is controlling of the stratum displacement and keeping safety of the busy expressway.
注浆完成后随浆体水泥水化反应的进行和浆体水分的渗透损失，浆体体积收缩造成地层损失并引起地层位移沉降。
With the hydration of cement and liquid loss after backfill process being completed, the grout volumes shrinkage leads to ground loss and induces the ground movement.
注浆完成后随浆体水泥水化反应的进行和浆体水分的渗透损失，浆体体积收缩造成地层损失并引起地层位移沉降。
With the hydration of cement and liquid loss after backfill process being completed, the grout volumes shrinkage leads to ground loss and induces the ground movement.
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