摘要
介绍了拉脱法检测混凝土抗压强度的技术原理及其在云南省建立"地方拉脱测强曲线"的过程及结果。比较了回归分析数据的四类拟合曲线六种取值方法,确定采用幂函数形式回归方程式的计算最合理准确。试验结果表明混凝土细集料材料的品种和材质对拉脱法测强有一定影响,为该项新技术应用提供了依据。
This article introduced the technological principle of the testing compressive strength of concrete used pulling escape,and the study process and result to establish the＂local strength-measuring curve＂in Yunnan province. And compared the six taking-value methods by data regression analysis of four types of fitting curve,determined the most reasonable of calculate by power function form of regression equation. The results showed that the variety of fine aggregate concrete materials and materials had a certain influence to strength-measuring by pulling escape,which provided the basis for the application of new technology.
出处
《工程质量》
2016年第3期27-31,共5页
Construction Quality
基金
云南省交通运输标准化技术委员会(YNTC13)课题"拉脱法检测混凝土抗压强度技术规程(DB53/T 715-2015)"
关键词
拉脱法
检测技术
地方测强曲线
建立
pulling escape
detecting techniques
local strength-measuring curve
establish
