预应力混凝土压浆料流变性能测试

硅酸盐通报 ›› 2017, Vol. 36 ›› Issue (10): 3527-3530.

预应力混凝土压浆料流变性能测试

王甲春;黄国新;钟哲伦;翁春晖;方振聪

厦门理工学院土木工程系,厦门,361024;厦门浩友建材有限公司,厦门,361028

出版日期:2017-10-15 发布日期:2021-01-18
基金资助:
福建省自然科学基金(20141203)%厦门理工学院创新创新训练项目(2016)%厦门理工学院高层次人才项目(YKJ07014R)

Measurement of Rheological Behavior of Grouting Materials in Prestressed Concrete

WANG Jia-chun;HUANG Guo-xin;ZHONG Zhe-lun;WENG Chun-hui;FANG Zhen-cong

Online:2017-10-15 Published:2021-01-18

摘要/Abstract

摘要： 通过测试在规定的水胶比条件下压浆料的的流动度、坍落扩展度、粘度三个指标的变化规律,给出了压浆料的流动度与坍落扩展度、流动度与粘度的定量关系.结果表明:压浆料的流动度与坍落扩展度,流动度与粘度呈线性变化规律,满足JTG/T F50-2011《公路桥涵施工技术规范》的压浆料流动度指标条件下压浆料的坍落扩展度为356～272 mm,压浆料的粘度为395×10-3～2023×10-3 Pa·s,满足TB/T 3192-2008《铁路后张法预应力混凝土梁管道压浆技术条件》的压浆料流动度指标条件下压浆料的坍落扩展度为308～212 mm,粘度为1325×10-3～3186×10-3 Pa·s.坍落扩展度的测试方法简单和方便,有利于实际工程的应用.

关键词: 压浆料;流动度;坍落扩展度;粘度;流变性

Abstract: The relationships between fluidity , slump flow and viscosity of grouting materials are studied under the condition of water-binder ratio , and the quantitative relationships between fluidity and slump flow , fluidity and viscosity are given .The results show that the relationships of fluidity with slump flow and fluidity with viscosity of the grouting materials are linear , and the fluidity index of JTG/T F50-2011《Technical specification for construction of highway bridge and culvert》 is accorded that slump flow is 356-272 mm, and the viscosity is 395 ×10 -3-2023 ×10 -3 Pa· s.The fluidity index of TB/T 3192-2008《Technical specification of cable grouts on post-prestressed concrete railway girder》 is accorded that the slump flow of 308-212 mm, and the viscosity is 1325 ×10 -3-3186 ×10 -3 Pa · s.The test method of slump flow is simple and convenient , which is beneficial to the practical engineering application .

Key words: grouting material;fluidity;slump flow;viscosity;rheology

中图分类号:

TU528

王甲春;黄国新;钟哲伦;翁春晖;方振聪. 预应力混凝土压浆料流变性能测试[J]. 硅酸盐通报, 2017, 36(10): 3527-3530.

WANG Jia-chun;HUANG Guo-xin;ZHONG Zhe-lun;WENG Chun-hui;FANG Zhen-cong. Measurement of Rheological Behavior of Grouting Materials in Prestressed Concrete[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2017, 36(10): 3527-3530.

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