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- Title
Inverse Method: Deep Foundation Pit Construction.
- Authors
Zhang, T.; Pan, D.
- Abstract
With the development of urban construction, deep foundation pit projects have been extensively studied. This paper firstly briefly explains the inverse method and then introduces the construction plan and site monitoring plan in a deep foundation pit project in Zhengzhou, Henan Province. The deformation of the surrounding soil of the deep foundation pit was monitored. It was found that the maximum deep horizontal displacement of the foundation pit was 18.39 mm on the north side, 22.98 mm on the south side, 22.67 mm on the east side, and 18.14 mm on the west side; the displacement on the southeast side was larger than that on the northwest side under the influence of the traffic road, and the displacement kept growing with the progress of the construction; the settlement of the surrounding ground surface was between 0 mm and 10 mm; when the soil of the second floor underground started to be excavated, the ground surface settlement accelerated, and the maximum settlement value was - 8.93 mm, which was smaller than the prewarning value. The results verify that the inverse construction method has a small influence on the deformation of the surrounding soil and can be widely applied in actual projects.
- Subjects
HENAN Sheng (China); ZHENGZHOU Shi (China); BORED piles; SOIL mechanics; CONSTRUCTION planning; BUILDING sites; URBAN growth; BEARING capacity of soils; STRIP mining
- Publication
Geotechnical Engineering (00465828), 2022, Vol 53, Issue 4, p9
- ISSN
0046-5828
- Publication type
Article