加筋土的规格化应力特性研究

Investigation of behavior of normalized stress within reinforced soil

通过对加筋土的静三轴试验结果的规格化处理,得到了一系列加筋土的规格化应力同轴向应变的关系曲线.通过分析,发现在加筋土的受力过程中,存在一个加筋材料发挥作用的临界应变,其大小与围压、加筋层数、土性等因素有关,在工程实践中通过减小临界应变值来提高加筋效果.

By means of normalization treatment of the results of static triaxial test of reinforced soil, a series of relationship curves of normalized stressaxial strain is obtained. It is found after analysis that, during the process of force action upon the reinforced soil, there exists a critical strain for the reinforcing material to function well in the soil the magnitude of that strain is dependent on such factors as the ambient pressure, number of reinforcing layers, soil property, etc. The reinforcement effect can be improved by reducing the critical strain in engineering practice.