硬度法现场检测既有混凝土结构中钢筋的强度  

In Situ Inspection of Strength for Steel Rebar in Existing Concrete Structures Based on Hardness

作　　者：管小军[1] 顾祥林[1] 陈谦[1] 张伟平[1] 

机构地区：[1]同济大学,上海200092

出　　处：《结构工程师》2004年第6期66-69,5,共5页Structural Engineers

摘　　要：通过模拟实验研究了钢筋的硬度与其抗拉强度之间的关系和影响硬度检测结果的因素,建立了里氏硬度计的测强曲线。现场检测验证表明所提方法具有较高精度。为现场非破损检测混凝土构件中钢筋的强度,提供了一种实用的技术。In this paper, relationship between tensile strength and hardness of steel rebar is studied through the simulated test, and the factors which affect the inspection results are analyzed. Based on the results of the test, a strength inspection curve and the corresponding inspection method using Leeb hardness meter are proposed, which were proved to be applicable for non-destructive strength inspection of steel rebar inside the existing concrete structural member by in situ inspection examples.

关 键 词：钢筋 混凝土结构 非破损检测 现场检测 测强曲线 混凝土构件 抗拉强度 硬度法 里氏硬度计 高精度 

分 类 号：TU755[建筑科学—建筑技术科学]