商务楼基坑支护设计

xx 集团商务楼基坑支护设计摘 要随着经济的进展与人们居住环境要求的提高，近年来，我国建筑，市政等工程得到飞速的进展。在城市中，寸土寸金。因而在建筑向高空进展的同时，地下空间地利用也成为了一个重要地进展方向。高层及多层建筑的地下室，地下商场，地下车库，地铁车站等工程施工，都会面临深基坑工程。基坑工程具有工程量大，技术难度难度高，不可预见的因素多等特点，其安全可靠性不仅影响周边的环境。在本工程的周围均为城市的道路，施工时受场地的局限性很大，并且对周围的环境影响也很大，极容易造成重大的施工事故。因此需要选择合适的支护方案，在本次设计中选择了重力式水泥土挡墙支护，锚杆支护及土钉墙支护，通过对比选择最优的施工方案。此外，考虑到地下水对施工的影响，还需选择合理的降水工艺。关键词基坑，锚杆支护，挡土墙，土钉墙，降水Abstract：Rise that the habitancy environment demands with development of the economy and people, in recent years, our country builds , municipal administration waits for a project at full speed development. Middle , the inch of land are very little gold in the city. While the building develops to the high altitude, under the ground, the space field makes use of as a result having also become one developing direction important. High-rise reach basement , basement shop , underground garage that multilayer builds, the subway station waits for engineering construction , the city is confronted with the deep base pit project.The project has a base pit project amounts are big , technology degree of difficulty is high, the factor being not allowed to foresee is many environment waiting for characteristic , the person safe reliability to affect a periphery not only. Road being a city without exception around the project in, the limitation accepting space when being under construction is very big, and to also very big , extremely easy to bring about significant environmental effect on every side const...