西安理工大学学报2016，Vol.32Issue(1)：46-51,6.DOI:10.19322/j.cnki.issn.1006-4710.2016.01.009
土工布加筋土界面摩擦特性试验研究
Experimental research on interface frictional behaviors of the geotextile-reinforced soil
摘要
Abstract
Based on the loess filled embankment in Yan'an new airport,and with the geotextile used in engineering practice as reinforcement material,the geotextile synthetic material testing machine jointly developed by Xi'an Yaxing Civil Engineering Instrument Co.Ltd.is adopted to carry out the direct shear tests and pull tests of geotextiles-loess interface so that the direct shear and pull strengths and friction coefficients between geotentile soil interfaces in the case of differ-ent compactness are tested.The test results indicate:①The curves of shear displacement and shear stress is hardening type and the curves of drawing displacement and tensile stress is soften-ing type;②The interface strength of geotextiles-loess conforms with the Mohr-Coulomb strength theory.The friction behaviors of the geotextile-loess interface is very good.But the friction coef-ficient of direct shear is greater than that of pull test in the same condition;③In the shearing conditions,the interface strength of geotextiles-loess is not sensitive to the compaction degree, but in the drawing conditions,the compaction degree has a significant effect on interfacial cohe-sive force.关键词
土工布加筋土/黄土/界面强度/直剪试验/拉拔试验Key words
geotextile-reinforced soil/loess/interfacial strength/direct shear test/pull-out test分类
建筑与水利引用本文复制引用
杨敏,李宁,刘新星,刘乃飞,苏立海..土工布加筋土界面摩擦特性试验研究[J].西安理工大学学报,2016,32(1):46-51,6.基金项目
国家自然科学基金资助项目(51179153) （51179153）
西安理工大学博士学位论文创新基金资助项目(310-11202J306) （310-11202J306）
