台阶式格栅加筋挡墙现场试验研究

对广东省河龙(河源至龙川)高速公路K29+307~K29+353段路基挡墙处的分级直立式格栅加筋挡墙进行了现场试验测试分析,分别测试了挡墙从施工到正常使用期间加筋墙的加筋体内筋带拉力、土压力分布、墙面变形以及地基应力等,对测试结果进行了分析研究,探讨了相关的分布规律以及影响因素,并得出了一些新的认识和见解.

Study on Stepped Geogrid Reinforced Soil Retaining Wall in Site-testing

The prototype measure was engaged for the stepped geogrid reinforced soil retaining wall in He-Long Highway roadbed wall section K29+307 to section K29+353 in Guangdong Province.The distribution of the reinforcement tie tensions,the lateral earth pressure distribution and it's changes with the thickness of the earthfill,the deformation of wall surface and the vertical base pressure were measured and analyzed.At same time,their influent factors and the change features were discussed.Then,some new views and useful conclusions are given.