LIU Feiyu,YAN Siqi,CHEN Jiang,et al.Analysis of Deforming Behaviors of Sandwich Reinforced Soil Retaining Wall under Strip Load[J].Journal of Disaster Prevention and Mitigation Engineering,2021,41(05):1080-1086.
LIU Feiyu,YAN Siqi,CHEN Jiang,et al.Analysis of Deforming Behaviors of Sandwich Reinforced Soil Retaining Wall under Strip Load[J].Journal of Disaster Prevention and Mitigation Engineering,2021,41(05):1080-1086. DOI: 10.13409/j.cnki.jdpme.201903050.
Analysis of Deforming Behaviors of Sandwich Reinforced Soil Retaining Wall under Strip Load
was used to establish a numerical model to study the influence of clay reinforced with geogrid encapsulated in thin layers of sand on the deformation behaviors of reinforced soil retaining wall. The influence of elastic modulus of clay
E
1
, elastic modulus of sand
E
2
, thickness of sand
d
, length of reinforcement
L
, and distance between the load and the panel
D
on the deformation behaviors of sandwich reinforced soil retaining wall were analyzed. The results showed that the deformation behaviors of sandwich reinforced soil retaining wall were greatly improved. The overhead settlement of the retaining wall was reduced by 32%, and the horizontal displacement of the panel was reduced by 44%. The distribution of earth pressure was that the horizontal earth pressure behind the wall increases with the increase of the filling depth. A proper increase in the elastic modulus of clay was beneficial to reduce the differential settlement of the top surface of the retaining wall. There was an optimum elastic modulus of sand to minimize the horizontal displacement of the panel. There was an optimum sand thickness of the sandwich reinforced earth retaining wall to optimize the deformation behaviors of the retaining wall. There was a relatively insignificant influence on retaining wall to increase the length of reinforcement when
L
/
H
≥0.7 or to increase the distance between the load and the panel when
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