Theoretically, the jacking force can be enhanced arbitrarily, so the jacking distance can reach arbitrary length.
从理论上讲,千斤顶的顶力可以任意提高,从而也能达到任意长度的推顶距离。
参考来源 - 顶管工程施工中关键性技术环节的控制Assuming the soil at the front of loaded wall is at active state,formulas for the maximal earth counterforce and permitted jacking force of working shaft are obtained.
考虑前壁土体达到主动状态，得到工作井最大土体反力和允许顶力的计算公式。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
考虑了沉井底部和侧壁的摩阻力，由沉井整体水平向受力平衡计算允许顶力。
Then considering the friction forces on the well sides and well bottom, the permissible jacking force was calculated through the horizontal forces balance of the whole working well.
从理论上讲，千斤顶的顶力可以任意进步，从而也能达到任意长度的推顶间隔。
Theoretically, the jacking force can be enhanced arbitrarily, so the jacking distance can reach arbitrary length.
通过手把与底梁之间的弹性顶力定位打磨机位置，在倾斜扶手的同时实现打磨。
Through elastic beam between the hands and mudsill positioning grinding location, even in inclined handrails, grinding is realized.
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