Theoretically, the jackingforce 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进步，从而也能达到任意长度的推顶间隔。
2
From the technology of reducing friction slurry and the relay jacks, the jackingforce of long pipe jacking has been analyzed.
从触变泥浆减摩技术和中继接力技术两个方面对超长距离顶管施工中的顶推力进行了研究。
3
The jackingforce has apparent effects on displacement and stress distribution of segments, and it is the most adverse load case during construction stage.