摘要
Abstract
In order to improve the comprehensive performance of collapsible loess more efficiently,a water-resistant curing agent GHY-1 was developed using ethyl acrylate,acrylic acid,and styrene as monomers,ammonium persulfate as initiator,and composite emulsifier FHW and pH regulator.The influence of GHY-1 dosage on the strength,permeability,water resistance,and collapsibility of collapsible loess was investigated.The results show that the higher the dosage of the water-resistant curing agent GHY-1,the higher the strength(unconfined compressive strength and shear strength)and water stability coefficient of the target collapsible loess sample,while the permeability coefficient and collapsibility coefficient are relatively smaller.When the dosage of GHY-1 is 0.5％,the unconfined compressive strength of the collapsible loess sample is 1.19 MPa,the shear strength is 1.32 MPa,the permeability coefficient is 0.76×10-6cm/s,the water stability coefficient is 96.3％,and the collapsibility coefficient is-0.08.The addition of water-resistant curing agent GHY-1 can effectively improve the strength and self-curing performance of the target collapsible loess,and the recommended optimal dosage is 0.5％.关键词
湿陷性黄土/固化剂掺量/固化性能/无侧限抗压强度/耐水性能Key words
collapsible loess/dosage of curing agent/curing performance/unconfined compressive strength/water resistance分类
建筑与水利
