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A platform for research: civil engineering, architecture and urbanism
Centrifuge Study on Ultra-Deep Foundation Pit Excavation in Soft Ground
In order to investigate the behaviors of the support systems and the associated ground deformations, centrifuge model test is adopted to simulate the excavation of ultra-deep foundation pit in soft ground. In this test, the geometrical scale is 1:120, and the soil layer thickness, excavation depth and retaining wall height are 60 cm, 31.6 cm and 54.2 cm respectively. The model ground consists of two types of soil, including silty clay and sandy silt. The aluminum alloy plate and aluminum alloy pipes are used to simulate reinforced concrete diaphragm wall and braces respectively. The retaining wall deformation, bending moment, brace axial force, earth pressure around the retaining wall, ground surface settlement, etc. are measured and discussed in detail in this paper. This can be used to comprehensively assess the stability of pit excavation support system. The findings from the centrifuge study are particularly useful for practical engineering.
Centrifuge Study on Ultra-Deep Foundation Pit Excavation in Soft Ground
In order to investigate the behaviors of the support systems and the associated ground deformations, centrifuge model test is adopted to simulate the excavation of ultra-deep foundation pit in soft ground. In this test, the geometrical scale is 1:120, and the soil layer thickness, excavation depth and retaining wall height are 60 cm, 31.6 cm and 54.2 cm respectively. The model ground consists of two types of soil, including silty clay and sandy silt. The aluminum alloy plate and aluminum alloy pipes are used to simulate reinforced concrete diaphragm wall and braces respectively. The retaining wall deformation, bending moment, brace axial force, earth pressure around the retaining wall, ground surface settlement, etc. are measured and discussed in detail in this paper. This can be used to comprehensively assess the stability of pit excavation support system. The findings from the centrifuge study are particularly useful for practical engineering.
Centrifuge Study on Ultra-Deep Foundation Pit Excavation in Soft Ground
Xu, Qianwei (author) / Ma, Xianfeng (author) / Zhu, Hehua (author) / Ge, Xiurun (author) / Ping, Yan (author) / Jin, Fangfang (author)
GeoShanghai International Conference 2010 ; 2010 ; Shanghai, China
2010-05-14
Conference paper
Electronic Resource
English
Centrifuge Study on Ultra-Deep Foundation Pit Excavation in Soft Ground
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