Pipe-soil contact pressure increased slowly along with pipe jacking, and it also maintained stated basically after some distance. Contact pressure of tip pipe was greatly affected by grouting.
管土接触压力随管道的顶进一开始缓慢上升，到一定距离后基本保持在一定范围内。
Pipe-soil contact pressure increased slowly along with pipe jacking, and it also maintained stated basically after some distance. Contact pressure of tip pipe was greatly affected by grouting.
管土接触压力随管道的顶进一开始缓慢上升，到一定距离后基本保持在一定范围内。
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