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Study on Construction Disturbance of Partition Piles for Surrounding Soil

Author: LiZuo
Tutor: LuoHanBin
School: Huazhong University of Science and Technology
Course: Architecture and Civil Engineering
Keywords: Isolated pile Soil disturbance Light rail bridge piers Simulation Building Settlement Deep foundation Subway
CLC: TU473.1
Type: Master's thesis
Year: 2011
Downloads: 22
Quote: 1
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Abstract


With the increase of the deep excavation engineering , isolation pile is widely used in deep foundation pit retaining structure to isolate the earth pressure passes , reducing the impact on the surrounding buildings in the foundation construction process . But in the actual project , often only noticed isolated pile of soil lateral pressure isolation , neglect the isolated pile construction process of soil disturbance , as well as the surrounding buildings caused by subsidence and subsequent construction impacts . Therefore , construction the isolated pile need to quantify the impact of construction on the surrounding soil disturbance . First isolated pile construction caused soil disturbance mechanism elaborated to introduce several piles of construction caused soil disturbance estimated theoretical and computational methods ; Then , the depth and nature of soil from the pile buried perspective of isolation Pile caused by the influence of the degree of soil disturbance factors , selecting a project of Wuhan Metro Line light rail station and Wuhan as the object of study , combined with the experience of law and the cavity expansion theory , analysis Xunlimen isolated pile construction caused the light rail bridge piers settlement influence factors light rail pier settlement ; based on isolated pile construction monitoring data for analysis ; Finally, the combination of monitoring data , calculated by the finite element numerical simulation of the disturbance process , and factors affecting the sensitivity analysis demonstrated exceptional circumstances base pit construction set isolated pile reasonable to propose solutions , and the disturbing effect of isolated pile construction , reducing the probability of a security risk due to isolation pile construction , to ensure the normal operation of the project . This paper summarizes the of reducing isolation Piles of soil disturbance control , with a strong practical reference provides for the the isolated pile design and construction control .

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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Foundation > Pile foundation and deep foundation > Pile
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