In-Situ Test on Dynamic Responses of Reinforced Soil Retaining Walls for High-Speed Railways

WU Lianhai; YANG Guangqing; ZHANG Qingbo; SUN Hongwei; ZHANG Liguo; JIAO Ruiling; SU Qian

doi:10.3969/j.issn.0258-2724.2017.03.015

Volume 30 Issue 3

Jun. 2017

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Journal of Southwest Jiaotong University > 2017 > 30(3): 546-553.

WU Lianhai, YANG Guangqing, ZHANG Qingbo, SUN Hongwei, ZHANG Liguo, JIAO Ruiling, SU Qian. In-Situ Test on Dynamic Responses of Reinforced Soil Retaining Walls for High-Speed Railways[J]. Journal of Southwest Jiaotong University, 2017, 30(3): 546-553. doi: 10.3969/j.issn.0258-2724.2017.03.015

Citation:

WU Lianhai, YANG Guangqing, ZHANG Qingbo, SUN Hongwei, ZHANG Liguo, JIAO Ruiling, SU Qian. In-Situ Test on Dynamic Responses of Reinforced Soil Retaining Walls for High-Speed Railways[J]. Journal of Southwest Jiaotong University, 2017, 30(3): 546-553. doi: 10.3969/j.issn.0258-2724.2017.03.015

Citation:

WU Lianhai, YANG Guangqing, ZHANG Qingbo, SUN Hongwei, ZHANG Liguo, JIAO Ruiling, SU Qian. In-Situ Test on Dynamic Responses of Reinforced Soil Retaining Walls for High-Speed Railways[J]. Journal of Southwest Jiaotong University, 2017, 30(3): 546-553. doi: 10.3969/j.issn.0258-2724.2017.03.015

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In-Situ Test on Dynamic Responses of Reinforced Soil Retaining Walls for High-Speed Railways

doi: 10.3969/j.issn.0258-2724.2017.03.015

Received Date: 26 Jun 2015
Publish Date: 25 Jun 2017

Abstract

Abstract

In order to study the dynamic responses and mechanism of geogrid reinforced soil retaining wall under the loads of high-speed vehicles, in-situ vibration excitation tests were conducted to obtain distributions of acceleration and dynamic soil pressure in geogrid reinforced soil retaining wall. The dynamic responses of different wall faces were compared. The results show that, with the increase of load cycles, the vertical acceleration of reinforced soil is nearly unchanged. The dynamic soil pressure near wall surface in the horizontal direction has a single-peak distribution and its max-value is located at 2/3 of the wall height. The vertical dynamic soil pressure has a little increase with the number of load cycles. In the range from wall top to 1/3 wall height, the vertical acceleration attenuates 87%-91%and the vertical dynamic soil pressure attenuates 86%. The reinforced soil retaining wall with block panel has the merits of large rigidity, small deformation and strong integrity.
- high-speed railway,
- geogrids,
- reinforced soil retaining wall,
- in-situ vibration excitation tests

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In-Situ Test on Dynamic Responses of Reinforced Soil Retaining Walls for High-Speed Railways

doi: 10.3969/j.issn.0258-2724.2017.03.015

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In-Situ Test on Dynamic Responses of Reinforced Soil Retaining Walls for High-Speed Railways

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