Influence of different filling materials on monotonic and cyclic direct shear behaviors of single soilbag
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(1.China Water Resources Bei Fang Investigation, Design and Research Co. Ltd., Tianjin 300222, China;2.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China;3.Department of Structure and Materials, China Institute of Water Resources and Hydropower Research, Beijing 100038, China;4.Power China Huadong Engineering Corporation, Hangzhou 330110, China)

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TU43

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    Abstract:

    In order to further investigate the static and dynamic characteristics of single soilbag filled with different materials, a series of simple shear tests and cyclic shear tests were performed through a large indoor shear apparatus. The test results show that the shear behavior of single soilbag follows the Mohr-Coulomb failure criterion basically, and its shear-resistant properties is mainly provided by the surface tension of the soilbag and the friction between soil particles in the soilbag. Different filling materials have a certain influence on the shear characteristics of single soilbag. By comparing the static and dynamic characteristics of single soilbag filled with river sand, loam and gravel respectively, it can be found that the single soilbag filled with river sand has the best shear performance, vibration and energy reduction effect, and deformation resistance ability. Therefore, it’s a good choice to use river sand as a common building material for loading in practical earthquake isolation engineering, from the perspective of shear resistance, vibration reduction and energy dissipation characteristics of single soilbag.

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陈爽,刘斯宏,鲁洋,等.不同袋内材料对土工袋单元体静动力剪切特性的影响[J].河海大学学报(自然科学版),2023,51(1):90-98.(CHEN Shuang, LIU Sihong, LU Yang, et al. Influence of different filling materials on monotonic and cyclic direct shear behaviors of single soilbag[J]. Journal of Hohai University (Natural Sciences),2023,51(1):90-98.(in Chinese))

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History
  • Received:February 10,2022
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  • Online: March 15,2023
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