表面硬度法检测套筒灌浆料抗压强度试验研究

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发布时间：2020-01-06 00:00:00

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表面硬度法检测套筒灌浆料抗压强度试验研究

Experimental Study on Compressive Strength of Grouting Materials for Sleeves by Surface Hardness Method

2020年第9期

装配式结构；灌浆料；无损检测；表面硬度；抗压强度；测强曲线

Prefabricated structure; Grouting material; Non-destructive testing; Surface hardness; Compressive strength; Strength curve

2020年第9期

10.19761/j.1000-4637.2020.09.079.05

江苏省建设系统科技项目（2017ZD122）。

吴玉龙1，丁晨晨1,2，顾盛1，卢康昕3，孙才勇1

1.昆山市建设工程质量检测中心，江苏昆山 215337；2.江苏科技大学，江苏镇江 212000； 3.南京理工大学理学院，江苏南京 210094

吴玉龙1，丁晨晨1,2，顾盛1，卢康昕3，孙才勇1

吴玉龙,丁晨晨,顾盛,等.表面硬度法检测套筒灌浆料抗压强度试验研究[J].混凝土与水泥制品,2020(9):79-83.

WU Y L,DING C C,GU S,et al.Experimental Study on Compressive Strength of Grouting Materials for Sleeves by Surface Hardness Method[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(9):79-83.

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1000

摘要：提出了以DL型里氏硬度计作为检测设备的钢筋套筒连接灌浆料抗压强度无损检测方法，测试了灌浆料试件的表面硬度，并建立了测强曲线。研究结果表明，灌浆料试件的表面硬度基本服从正态分布，前后两次表面硬度测试结果的重复性较好。试件的表面硬度与抗压强度具有强正相关性，推荐采用指数回归方法建立测强曲线，相关系数可达0.945。 Abstract: A non-destructive testing method for the compressive strength of grouting materials for steel sleeves using DL type Leeb hardness tester as a testing device was put forward, and the surface hardness of grouting materials was tested and the strength curve was established. The results show that the surface hardness of grouting materials is normally distributed, and the surface hardness test has good repeatability. The surface hardness of the specimen is strongly correlated with the compressive strength, and it is recommended to use the exponential function regression to establish strength curve, and the correlation coefficient can reach 0.945.

英文名 : Experimental Study on Compressive Strength of Grouting Materials for Sleeves by Surface Hardness Method

刊期 : 2020年第9期

关键词 : 装配式结构；灌浆料；无损检测；表面硬度；抗压强度；测强曲线

Key words : Prefabricated structure; Grouting material; Non-destructive testing; Surface hardness; Compressive strength; Strength curve

刊期 : 2020年第9期

DOI : 10.19761/j.1000-4637.2020.09.079.05

文章编号 :

基金项目 : 江苏省建设系统科技项目（2017ZD122）。

作者 : 吴玉龙1，丁晨晨1,2，顾盛1，卢康昕3，孙才勇1

单位 : 1.昆山市建设工程质量检测中心，江苏昆山 215337；2.江苏科技大学，江苏镇江 212000； 3.南京理工大学理学院，江苏南京 210094

吴玉龙1，丁晨晨1,2，顾盛1，卢康昕3，孙才勇1

吴玉龙,丁晨晨,顾盛,等.表面硬度法检测套筒灌浆料抗压强度试验研究[J].混凝土与水泥制品,2020(9):79-83.

WU Y L,DING C C,GU S,et al.Experimental Study on Compressive Strength of Grouting Materials for Sleeves by Surface Hardness Method[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(9):79-83.

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摘要

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结论

参考文献

引用本文

Abstract: A non-destructive testing method for the compressive strength of grouting materials for steel sleeves using DL type Leeb hardness tester as a testing device was put forward, and the surface hardness of grouting materials was tested and the strength curve was established. The results show that the surface hardness of grouting materials is normally distributed, and the surface hardness test has good repeatability. The surface hardness of the specimen is strongly correlated with the compressive strength, and it is recommended to use the exponential function regression to establish strength curve, and the correlation coefficient can reach 0.945.

关键词:

套筒

the

hardness

and

strength

surface

硬度

表面

浆料

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