E3S Web Conf.
Volume 236, 20213rd International Conference on Energy Resources and Sustainable Development (ICERSD 2020)
|Number of page(s)||4|
|Section||Urban Environmental Architecture and Digital Design Application|
|Published online||09 February 2021|
Research on the displacement change of construction enclosure system of deep foundation
1 Shanghai Urban Construction Vocational College, College of Civil and Traffic Engineering, Shanghai, P.R. China
2 Shanghai Construction Group, General contractor department, Shanghai, P.R. China
3 Shanghai Urban Construction Vocational College, College of Civil and Traffic Engineering, Shanghai, P.R. China
* Corresponding author: firstname.lastname@example.org
By analyzing the monitoring data of the excavation of foundation, the maximum lateral displacement depth and the top vertical displacement of the retaining wall, the vertical displacement of the column are studied. Research indicates that the 3rd power polynomial curve can better fit the depth change law of the maximum lateral deformation of retaining wall at each monitoring point；the fourth support demolition has great influence on the lateral displacement and deformation of retaining wall. The excavation of the third layer has greatly increased the deformation of the top of retaining wall. After the second support is removed, the vertical deformation of the top of the retaining wall change to negative. The vertical deformation of the column gradually decreases until the deformation becomes smooth after the first support is removed. The deep excavation should be paid attention to the monitoring of the internal displacement and the upward displacement of the retaining wall, the vertical displacement of the column from the excavation of the third layer to the removal of the fourth support.
© The Authors, published by EDP Sciences 2021
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