地铁车站基坑开挖施工技术

The construction technology of foundation pit excavation for subway station

根据车站所处的地理环境和地质情况 ,提出了基坑开挖的施工关键和施工对策 ,并结合实际情况 ,对基坑的开挖顺序、不同地段采用的开挖方式以及在开挖过程中 ,为了保证土体稳定 ,如何在围护桩间设置钢支撑作了详细介绍 ,事实证明 ,只要技术方案合理、可靠 ,各项准备工作充分、到位 。

According to the geographical and geological situations of station the paper proposes the construction key point and construction countermeasures for the foundation pit excavation combined with actual circumstances. The excavation order, excavation ways for different sections and setup methods of steel braces in supporting piles to ensure the stabilization of the earth body are introduced in detail. The facts prove that reasonable and dependable technical proposal and sufficient preparative work can make success definitely.