Seepage Analysis and Construction Practice of Anchorage Circular Foundation Excavation in Long-Span Suspension Bridge

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Abstract:On the basis of preliminary exploration, complement exploration is executed to obtain excavation seepage analysis detail parameters. According to the three-dimension finite difference method and regulating calculation method, the excavation seepage analysis of anchorage circular foundation at Huangpu bridge south and the influence of different depth rock-socketed on foundation seepage are discussed. With the experience in similar projects at home and abroad, the depth of diaphragm wall embedded in weak weathered rock is not less than 3 meters, grouting curtain wall consists of 10 meters, and the waterproof curtain outside the foundation is canceled from preliminary design. The stress, strain and water level are monitored during the excavation process, and the deformation of the supporting structure is within the control. The structure is under reasonable force and the sealing effect is obvious when the foundation is excavated. Construction practice shows that the excavation seepage analysis of anchorage circular foundation at Huangpu bridge south are consistent with engineering practice.

Info:

Periodical:

Edited by:

Xuejun Zhou

Pages:

128-132

DOI:

10.4028/www.scientific.net/AMM.90-93.128

Citation:

X. Ling and R. H. Wang, "Seepage Analysis and Construction Practice of Anchorage Circular Foundation Excavation in Long-Span Suspension Bridge", Applied Mechanics and Materials, Vols. 90-93, pp. 128-132, 2011

Online since:

September 2011

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$35.00

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