盾构穿越火车股道群沉降控制技术研究

Shield through the Train Tracks in group settlement control technology research

文章以郑州盾构地铁穿越郑州火车站股道群为工程背景,研究了盾构穿越之前、盾构穿越过程中、以及穿越完成后三个方面的沉降控制技术,包括盾构土压力、注浆量、盾构推进速度等相关参数的选取,以及沉降控制的标准。该技术措施的成功应用,有效地保证了盾构穿越郑州火车站股道施工的安全顺利进行,取得了良好的效果。

This paper taking the subway shield Zhengzhou train station track group as the engineering background, study of Shield Crossing before, shield tunneling process, shield tunneling after the completion of the settlement control technology.The technical measures of success application,effective guarantee of Shield Crossing the Zhengzhou train station track construction safety smoothly, achieved good results.