垃圾固化土强度特性的试验研究  

Experimental Study on the Strength Properties of MSW Stabilized Soil

作　　者：王志萍[1] 沙玲[1] Wang Zhiping;Sha Ling(Department of Civil Engineering,Zhejiang College of Construction,Hangzhou 311231,China)

机构地区：[1]浙江建设职业技术学院建筑工程系,杭州311321

出　　处：《科技通报》2017年第10期165-169,共5页Bulletin of Science and Technology

基　　金：浙江省教育厅科研项目(编号:Y201432514)

摘　　要：固化是疏浚淤泥、工程废弃土等软土的一种常用处理方法,但用于固化垃圾土及污染土等特殊土则较少。通过室内无侧限试验,测试了在3种人工垃圾土中掺入一定量水泥、粉煤灰、石灰和石膏后的垃圾固化土抗压强度,探讨了其固化机理和强度变化规律。结果表明:垃圾固化土的强度随水泥、粉煤灰、石灰和石膏掺量的增大而提高,并且垃圾土成分、组分和降解阶段以及固化剂与外掺剂的掺量、种类对垃圾固化土强度的影响是不同的。Solidification is one of the common methods of soft foundation treatment,but is rarely used in the solidification of special soil,such as municipal solid waste(MSW)soil and polluted soil,etc.Through the unconfined compression test,a series of experimental program were performed on the MSW stabilized soil by adding a certain content of cement,fly ash,lime and gypsum into three kinds of man-made MSW soil to study its curing mechanism and the change law of strength of the MSW stabilized soil.The experimental results indicate that:The strength of the MSW stabilized soil increases with the increase of the content of cement,fly ash,lime and gypsum.The influence of the composition and content of MSW soil and degraded phase,the kinds and content of curing agent and additives on the MSW stabilized soil is different.

关 键 词：垃圾土 固化 强度 试验 

分 类 号：TU411[建筑科学—岩土工程]