Influence of repeated freeze-thaw on dynamic modulus and damping ratio properties of silty sand

• 作 者: TianLiang Wang Chao Ma Han Yan
• 机 构: SchoolofCivilEngineering,KeyLaboratoryofRoadsandRailwayEngineeringSafetyControlofMinistryofEducation
• 出 处: 寒旱区科学：英文版
• 发表日期: 2013年5期
• 关键词: 反复冻融 动态模量 阻尼比 粉砂 性能 动态应变 动态弹性模量 强度降低 freeze-thaw cycles silty sand dynamic modul
• 基金项目: This research was funded by the National Key Basic Research Development Plan of China （Grant No. 2012CB026104） and by the National Natural Science Foundation （NSFC） of China （Grant Nos. 51208320 and 5

Under repeated freezing and thawing in deep seasonal frozen regions, the stability and strength of the soil are imposed in the form of large uneven settlement, instability and strength reduction, which affect the normal operation of railway lines. This st