2015年8月上 施工技术 第44卷第15期 CONSTRUCTION TECHNOLOGY 71 D0I:10.7672/8js2015150071 有机化膨润土浆材固结体性能研究* 王营彩1 2，代国忠，史贵才 (1.常州工学院土木建筑工程学院，江苏常州213002；2.河海大学土木与交通学院，江苏南京210098) [摘要]为研制出一种用于垃圾场防渗工程具有低渗透系数且满足特定力学性能的防渗浆材，以有机化膨润土、水 泥、粉煤灰为浆材主料形成防渗浆材，并对其渗透特性、无侧限抗压强度、应力变形等特性进行研究.试验结果表 明：有机化膨润土水泥防渗浆材固结体在防渗方面较之普通黏土基浆材有明显优越性，具有更广泛的应用价值； 有机化膨润土水泥防渗浆材固结体在无侧限抗压试验中的应力应变曲线呈软化型，极限应变显著增大，能有效适 应地基土层变化. [关键词]膨润土；浆材固结体；渗透系数；抗压强度：应变 [中图分类号]TU528.01 [文献标识码]A [文章编号]1002-8498(2015)15-0071-03 Research on Properties of Grouting Concretion Body of Organic Bentonite-cement Wang Yingcai.2 Dai Guozhong' Shi Guicai' (1.School of Ciril Engineering Architecture Changzhou Institute of Technology Changzhou Jiangsu 213002 China; 2.College of Ciril and Transportation Engineering Hohai Unirersity Nanjing Jiangsu 210098 China) Abstract:This paper researches a kind of anti-seepage slurry material using organic bentonite cement and fly ash as main ingredient which used in landfill anti-seepage engineering with low permeability coefficient and specific mechanical properties.The seepage properties unconfined pressive strength deformation and stress of the slurry material are analyzed.Experimental results show that the organic bentonite-cement anti-seepage slurry material has obvious superiority than clay-based slurry in the aspect of seepage control with wider application value.The stress-strain curves of organic bentonite-concrete impervious grouting concretion body on unconfined pression test is softened and it's ultimate st...
有机化膨润土浆材固结体性能研究.pdf
