高液限土作为路基填料时压实度标准降低的可行性研究

为研究高液限土作为路基填料时压实度标准降低的可行性，在云罗高速公路不同路段取样，进行CBR试验，分析CBR值；采用贝克曼梁法，在路基施工完成后对部分路段进行了路基回弹弯沉值的检测。结果表明:高液限土作为下路堤填料时压实度标准降低3 %～5 %是完全可行的，仍满足强度和稳定性要求。

Study on Feasibility of Lowering Compaction Standard when High Liquid Limit Soil Is Taken as Subgrade Filling

In order to study the feasibility of lowering compaction standard when high liquid limit soil is taken as subgrade filling, samples were taken in different sections of Yunfu—Luoding Highway for CBR tests, and then the CBR values were analyzed and, by means of Benkelman Beam testing, the rebound deflection of subgrade were tested in some sections after completion of construction. The result shows that gained finally, in case of high liquid limit soil as subgrade filling, it is completely feasible to lower the compaction standard by 3 %～5 %, and the requirements of strength and stability are still met.