Rock and Soil Mechanics ›› 2019, Vol. 40 ›› Issue (2): 497-505.doi: 10.16285/j.rsm.2017.1416

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Large-scale model tests on static and dynamic mechanical characteristics of reinforced earth retaining wall

WANG Jia-quan1, ZHANG Liang-liang2, LAI Yi3, LU Meng-liang1, YE Bin1   

  1. 1. College of Civil and Architectural Engineering, Guangxi University of Science and Technology, Liuzhou, Guangxi 545006, China; 2. Harbin Institute of Technology, Shenzhen, Guangdong 518000, China; 3. Poly South China Industrial Co., Ltd., Foshan, Guangdong 528200, China
  • Received:2017-08-17 Online:2019-02-11 Published:2019-02-13
  • Supported by:
    This work was supported by the National Natural Science Foundation of China(51469005), the Natural Science Foundation of Guangxi Province of China (2015GXNSFAA139257, 2015GXNSFAA139270, 2017GXNSFAA198170) and the Graduate Student Education Innovation Projects of Guangxi Province (YCSW2018201).

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Abstract: The aim of this study is to investigate the stress and deformation characteristics of reinforced earth retaining wall under the action of traffic load. Large-scale model tests on reinforced earth retaining wall were conducted under static load and dynamic load to reveal the distribution of the vertical earth pressure, the deformation of the retaining wall-panel, the loading-plate settlement and the dynamic acceleration. The results showed that the horizontal influence of the reinforced earth retaining wall under the action of static and dynamic loads was about 0.16H-0.54H (where H is wall height). The earth pressure of the retaining wall was reduced in the horizontal direction from the center of the vibration source trend. At the same time, the main influence of the horizontal displacement of the retaining wall under the static load was about 0.55H. The internal structure of the prefabricated reinforced earth retaining wall was formed by gradual compaction. The settlement of the loading plate under the dynamic load was an inclining "step" shape with the increase of the load value at the critical value of the whole step-load. The reinforced structure had a significant dissipation effect on the acceleration response and decreased with the increase of the distance from the load.

Key words: geogrid, reinforced soil retaining wall, static and dynamic loading test, mechanical property

CLC Number: 

  • TU 411
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