灌注桩在基坑围护施工中的应用.doc

本科生毕业设计（论文）诚信承诺书 1、本人郑重地承诺所呈交的毕业设计（论文），是在指导教师的指导下严格按照学校和学院有关规定完成的。 2、本人承诺在毕业设计（论文）选题和研究内容过程中没有抄袭他人研究成果和伪造相关数据等行为，没有请人代做。 3、在毕业设计（论文）中对侵犯任何方面知识产权的行为，由本人承担相应的法律责任。 4、学校有权保留本毕业设计（论文），允许被查阅和借阅,可以将毕业设计（论文）的内容编入有关数据库进行检索或向上级有关部门送交本毕业设计（论文）。 学生（签名）： 年 月 日 摘 要 高层建筑与市政建设正处于高速发展时期，围护结构是基坑工程的重要组成部分，其功能是用来维持地基土的平衡，使基坑四周边坡保持稳定，保证基坑开挖及工程施工过程中的安全和基坑四周相邻建筑物的安全，不因土体变形、沉降而造成危害。围护结构必须因工程、因地、因时制宜地进行合理设计，按要求进行施工。基坑工程正确、科学地设计和施工，能带来巨大的经济效益和社会效益，对加快施工进度、保护环境发挥着重要作用。 本毕业设计为****基坑围护设计。结合场地的具体情况，选择合适的围护方式，确定了钻孔灌注桩结合一道内支撑的围护形式，外侧采用一道三轴搅拌桩止水止土。根据提供的地质资料，准确计算实际作用于围护结构上的土压力、结构受力，合理布置围护结构和监测点，并进行相应的计算和设计，编写设计计算书，绘制施工图。 关键词：基坑围护结构；围护桩；内支撑；土压力  Abstract High-rise buildings and municipal construction is in a period of rapid development, Retaining structure is an important part of excavation engineering, its function is to maintain the balance of the soil, keep the slope around the excavation stable, and to ensure the safety of construction process and the adjacent buildings around the excavation, to avoid the harm caused by soil deformation and settlement. Retaining structure must be designed reasonably according to the engineering. And the construction should be based on the requirements of design. The correct, scientific design and construction of excavation engineering can bring huge economic benefits and social benefits and play an important role in accelerating the progress of construction and environmental protection. This graduation design is called SiJiQing Hotel auxiliary building excavation engineering. This design combined with the specific situation of the site, choose the right way of retaining: bored pile combined with bracing, outside using three axis mixing pile to retain water and soil. Considering to the geological data provided, accurately calculate the soil pressure on the retaining structure and the structure stress, to layout of the retaining structure and monitoring point, calculate and design. Thus make the