摘要
目前碱渣大量的用于填筑工程,碱渣的强度特性是分析碱渣地基沉降变形的关键。以不同条件的碱渣三轴试验为基础,研究了碱渣的强度变形特性,并且分析了碱渣强度产生的机理。结果表明:碱渣的强度随着含水率、干密度及龄期的变化而变化,碱渣抗剪强度的最大值不在最优含水率处,这与一般土不同。碱渣强度最大时,黏聚力起主要作用。
At present, the soda residue hasbeen widely used in landfill, and the strength characteristics are crucial to the analysis of the settlement and deformation of the soda foundation. The strength-deformation characteristic of the soda residue and the mechanism of the strength were studied and analyzed on the basis of triaxial test data of residue under different conditions. The conclusion was that the variation of shearing resistance agreed with the change of moisture content, density and age, and the maximum shearing resistance was not correlated with the optimal moisture content. It was different from the common soil. The cohesion would play a key role when the strength of soda residue was the maximum.
出处
《岩土工程学报》
EI
CAS
CSCD
北大核心
2007年第11期1683-1688,共6页
Chinese Journal of Geotechnical Engineering
关键词
碱渣
含水率
干密度
龄期
三轴试验
强度特性
soda residue
moisture content
dry density
age time
triaxial test
strength characteristic
