摘要
为改善黄土作为路基材料的沉降特性,用石灰对黄土进行性能改良。将石灰作为改性剂加入到黄土中,进行无侧限抗压强度、回弹模量、压缩固结等参数的的试验。研究表明,石灰掺量为6%时,石灰土的工作性和经济性最好,该掺量下的压实度、路基弯沉和回弹模量满足设计要求,可有效减少路基沉降。
In order to improve the settlement characteristics of loess as subgrade material,lime is used to improve the performance of loess.Lime is added to loess as modifier to test unconfined compressive strength,resilient modulus,compression consolidation and other parameters.The results show that when the content of lime is 6%,the workability and economy of lime soil is the best.The compactness,subgrade deflection and rebound modulus meet the design requirements,which can effectively reduce subgrade settlement.
作者
卫洁
WEI Jie(Shanxi Road and Bridge Second Engineering Co.,Ltd..Linfen Shanxi 041000,China)
出处
《黑龙江交通科技》
2021年第2期58-59,61,共3页
Communications Science and Technology Heilongjiang
关键词
湿陷性黄土
石灰
路基处置
无侧限抗压强度
collapsible loess subgrade
quick lime
subgrade treatment
unconfined compressive strength
