摘要
对新老混凝土黏结界面钻芯拉拔强度进行了相关试验研究,探讨了几种界面剂对提高钻芯拉拔强度的提高幅度及其优劣比较,提出了钻芯拉拔法现场检测新老混凝土界面质量的规范操作程序、测值统计方法和较佳的芯样直径范围,并用参数估计提出了芯样直径为50 mm、80 mm、100 mm的芯样钻芯拉拔强度间的换算系数和范围.
The pull strength of new concrete to old adherence with core-drilling and pull-stripping test was researched in this paper. The improvement range of the pull strength and the bonding effect with several kinds of interface cementitious agent are explored and compared. The operating procedure,the statistical method for tes＇t-data,the recommended range of core diameter are put out,and the conversion coefficient and range of pull strength under the core diameter of 50mm, 80mm and 100mm are proposed by parameter estimate.
出处
《西安建筑科技大学学报（自然科学版）》
CSCD
北大核心
2009年第5期599-605,共7页
Journal of Xi'an University of Architecture & Technology(Natural Science Edition)
基金
湖南省科技厅科研项目(2006GK3103)
关键词
新老混凝土
黏结界面
钻芯拉拔
界面剂
芯样直径
new concrete to old
adherence
core-drilling and pull-stripping
interface cementitious agent
diameter of cor
