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Numerical Simulation and Field Tests of Guoyi Building Foundation Pit Support Project in Beijing

Author: LiBin
Tutor: LvJianGuo
School: Chinese Geology University (Beijing)
Course: Geological Engineering
Keywords: Pit Bracing Design Soil nail wall Numerical simulation analysis
CLC: TU476
Type: Master's thesis
Year: 2010
Downloads: 96
Quote: 0
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Abstract


Pit Bracing Design has a complex and comprehensive , this work is directly related to the quality and safety of the project , which is a key work in the design of underground engineering . With the rapid development of the national economy , the construction industry 's growing prosperity , the height of the building is also increasing . The end of 2009 , has completed the world 's tallest building - the Burj Dubai has reached 828 meters , a total of 160 layers . Building height increase in the depth of the excavation pit as well as the requirements of the supporting structure has become more and more high , encountered difficulties and problems are also emerging . Therefore, strengthening the foundation pit supporting design calculation theory and stability analysis , practical guidance to solve the existing problems in the excavation engineering and to improve the quality of excavation engineering . In this paper the Beijing Pearl , Luo Ma Guoyi Building Pit excavation and support works , for example , first based on the geological background of the project , in line with the economy , reasonable security principle , the choice of soil nailing wall . Excavation and support design was then carried out in accordance with the relevant specifications of the project , and prove the rationality of the design stability checking . Then take advantage of the the Geotechnical field of wider application of finite difference software FLAC3D pit excavation and support process numerical simulation analysis of foundation pit excavation and support the process of stress , strain and displacement analysis and compared with the measured data , a detailed study of the deformation during excavation and soil nail force , which provides for the design and construction of the foundation pit supporting favorable guidance and help .

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > The basis of the special form
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