2014年3月上 施工技术 第43卷第5期 CONSTRUCTION TECHNOLOGY 9 D0I:10.7672/js2014050009 超早强灌缝料试验研究* 赵同峰，2，张晓平2，孙长征2.3，陈谦2 (1.辽宁省交通高等专科学校道路与桥梁工程系，辽宁沈阳110122； 2.沈阳建筑大学土木工程学院，辽宁沈阳110168；3.沈阳建筑大学建筑设计研究院，辽宁沈附110015) [摘要]选用42.5级普通硅酸盐水泥、高铝水泥和石膏多元复合体系辅以多种外加剂研制出高性能超早强灌缝材 料(TUSPM) 系统地进行了不同胶砂比和膨胀剂掺量的研究，并对胶砂比1.5的微观结构进行分析.结果表明：该 体系辅以多种外加剂可以配制出初始流动度达325mm 30min流动度>280mm 终凝时间(50±5)min 1d抗折强度 达13.58MPa.1d抗压强度达39.3MPa.7d抗折强度达17.92MPa.7d抗压强度达71.8MPa.28d抗折强度强度> 19MPa 28d抗压强度>99MPa 该体系微观结构紧凑致密，膨胀性能满足要求. [关键词]灌缝料；超早强；流动度；胶砂比；膨胀性能 [中图分类号]TU528.53 [文献标识码]A[文章编号]1002-8498(2014)05-0009-04 Experimental Study on the Super Early Strength Filling Materials Zhao Zhang Xiaoping Sun Changzheng Chen Qian2 1.Department of Road and Bridge Liaoning Prorincial College of Communications Shenyang Liaoning 110122 China; 2.School of Civil Engineering Shenyang Jianzhu Unirersity Shenyang Liaoning 110168 China; 3.Architectural Design Research Institute Shenyang Jianzhu University Shenyang Liaoning 110015 China) Abstract:The super early strength filling materials with high performance was developed by 42.5 ordinary portland cement high alumina cement multiponent plex system of gypsum with many kinds of additives.The different cement-sand ratios expansive dosage and the micro structure of cement-sand ratio 1.5 were studied.The results showed that the system supplemented by a variety of additives was that the initial fluidity was325mm 30 min fluidity was greater than280mm final setting time was(50±5) min Id flexural strength was ...
超早强灌缝料试验研究.pdf
