絮凝剂品种对水下不分散混凝土性能影响的比较  

Comparison of Some Kinds of Wadding Congeal that Influence the Property of Non-scattering

作　　者：冯爱丽 覃维祖[2] 王宗玉[3] 

机构地区：[1]中国石油集团勘探开发研究院 [2]清华大学土木工程系 [3]中国石油集团工程技术研究院

出　　处：《石油工程建设》2002年第4期6-10,共5页Petroleum Engineering Construction

摘　　要：通过电荷中和、吸附架桥和表面吸附分析了絮凝剂作用机理 ,运用絮凝机理进一步分析了絮凝剂在水泥体系中的作用以及絮凝剂对流动度的影响 ,从而对掺加JHP (纤维素类 )和Pj (丙烯类 )絮凝剂的水下不分散混凝土性能作了综合比较。掺Pj絮凝剂的混凝土 ,其坍扩度损失大 ,抗分散性能不如掺JHP絮凝剂的好 ;掺JHP絮凝剂的混凝土坍扩度在Through the adsorption and neutralization of electric charge and surface adsorption, effect and mechanism of wadding congeal have been analyzed. Wadding congeal effect in cement system as well as the flow degree lossreason by wadding congeal are also analyzed by wadding congeal mechanism, comprehensive property comparisons of non ?scattered concrete by adding JHP and Pj wadding congeal have been made. Collapses degree loss is bigger for adding Pj wadding congeal, scattering property is not as good as JHP wadding congeal, collapse expand degree lose in 3 hours is very little for adding JHP wadding congeal.

关 键 词：絮凝剂 品种 水下不分散混凝土 性能 影响 作用机理 研究 

分 类 号：TV431[水利工程—水工结构工程]