CRTS-Ⅱ 型板式轨道CA 砂浆配合比设计研究.doc

CRTS-Ⅱ型板式轨道CA砂浆配合比设计研究
曾兴华[1] 王发洲[2]
([1] 江西省建筑材料工业科学研究设计院江西南昌 330001;
[2] 武汉理工大学硅酸盐材料工程教育部重点实验室湖北武汉 430007)
摘要研究了水泥品种、Ma/Mc(沥青与水泥质量比)、Ms/Mc(砂与水泥质量比)、聚羧酸减水剂掺量对CRTS-Ⅱ型板式无砟轨道CA砂浆流动性和强度,膨胀组分铝粉和U型膨胀剂掺量对CA砂浆体积稳定性和强度,Ms/Mc以及消泡剂DF掺量对CA砂浆容重和含气量的影响规律。研究结果表明:采用PⅠ,Ma/,Ms/,%,‰,U型膨胀剂掺量10%,%,%时,制备出了满足性能指标要求的CA砂浆。
关键词CRTS-Ⅱ型板式轨道 CA砂浆配合比设计
Research on Mix Design of CA Mortar of CRTS-ⅡType Slab Track
Zeng Xinghua[1],Wang Fazhou[2]
([1] Buliding Material Industry Science Research and Design Institute of Jiangxi Province,Nanchang 330001;[2]Key Laboratory of Silicate Material Science and Engineering of Ministry of Education, Wuhan University of Technology, Wuhan 430070)
Abstract:In this paper, the law of varieties of cement, Ma/Mc , Ms/Mc , content of polycarboxylate superplasticizer ’s impact on the mobility and strength of CA mortar of CRTS-Ⅱ type of slab track , expansion of aluminum and the U-type expansive agent content ’s impact on the size of the stability and strength of CA mortar, Ms/Mc and defoamer DF content’s impact on the density and volume of gas of CA mortar are researched. The research result shows that using cement as the main cementitious Materials, Ma/Mc at , Ms/Mc at , polycarboxylate superplasticizer’s content at %, aluminum’s content at ‰, U-type expansive agent’s content at 10%, defo