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Research on influential depth of vehicle loads and its influencing factors

LI Bing1, GAO Yu-feng1, WEI Dai-xian2, LIU Han-long1 (1. Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China; 2. Andi Reservoir Management Station of Linyi City, Shandong province, Linyi 276001, China)  
Considering the characteristic of vehicle loads and the actuality of overloading of vehicle in China, simplifying vehicle loads as equivalent static concentrated load, using Boussinesq solution and layer-wise summation method, the influential depth of vehicle loads and its two important influencing factors, embankment height and overloading degree, were analyzed performed on four actual examples. Results indicate that the influential depth of vehicle loads is about 6.0-14.0 m in the condition of overloading; otherwise it is about 6.0-8.0 m; the influential depth of vehicle loads linearly increased with the decrease of embankment height and parabolic increased with the increase of overloading degree of vehicle.
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