Research on Field Test of H-type Prestressed Concrete Revetment Piles
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TU473.1

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    Abstract:

    In order to study the applicability of H-type prestressed concrete revetment piles in inland waterways, field tests were carried out to monitor the soil pressure at the pile-soil interface and the internal stress-strain of the piles in conjunction with the second phase of the waterway reconstruction project of the Hujia-Shen Line. The monitoring results show that:the displacement of the soil body on the backwater side is restrained by the old revetment and the upper load and the soil body is squeezed more compactly and the horizontal soil pressure is larger; while the waterfront side is the river and close to the river axis and the horizontal soil pressure is smaller and the final horizontal soil pressure coefficient is around 1.1~1.2; the internal stress of the pile body is larger than the effective precompressive stress of the concrete of this type of H-type revetment pile, and the compressive strain at each measurement point decreases after sinking the pile. Based on the test results, the calculation method of soil pressure of H-type revetment pile was optimized to make it closer to the measured value.

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RONG Wei, WU Yuedong, LIU Jian, LIN Ying. Research on Field Test of H-type Prestressed Concrete Revetment Piles[J].,2023,40(1):15-20

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History
  • Received:June 24,2022
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  • Online: March 31,2023
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