trench jack

Based on the comparison between multiple construction technologies,the triple-action jack temporary support scheme was adopted at last,by which,the construction efficiency was raised,the construction cost was reduced,the quality was ensured,and good social & economic benefits were achieved.

施工中通过各种施工工艺方案的全面比选,最终采用墩顶三作用千斤顶临时支座方案。