论文部分内容阅读
一、工程概况 北京金运大厦工程系集商业、餐饮、娱乐、办公于一体的现代化建筑,建筑面积近七万多平方米,占地4600m~2,地下3层,地上18层,基底标高为-12.06m,箱形基础框筒式结构。 二、基坑边坡防护施工方法选择 (一)环境及场地条件 距本工程基坑南侧2m处有一在施15层住宅楼,基底标高-6.0m,沿西侧距其2.6～4.2m处有一条正在运营中的铁路线,距东侧边坡5m有地下人防。北侧基坑内和基坑外有地下暗河、污水干管、给水管线(已陈旧破裂,大量漏水)。
I. Project Overview Beijing Jinyun Building Project is a modern building integrating business, catering, entertainment, and office work. It has a building area of nearly 70,000 square meters, an area of 4600m2, 3 underground floors, and 18 floors above ground. The base elevation is -12.06m, box-shaped basic framed cylinder structure. 2. Selection of construction methods for slope protection of foundation pit (1) Environment and site conditions There is a 15-story residential building at 2m south of the foundation pit of this project. The elevation of the basement is -6.0m, and it is 2.6-4.2m along the west side. There is a railway line in operation, and underground civil defense is 5m from the east side slope. Underground pits, sewers, and water supply lines (which have been cracked and leaked) are located in the base pit on the north side and outside the pit.