科技创新与应用2024，Vol.14Issue(21)：70-73,4.DOI:10.19981/j.CN23-1581/G3.2024.21.017
超声回弹法检测再生骨料混凝土强度的试验分析
摘要
Abstract
This paper explores the application of ultrasonic rebound method in the strength testing of recycled aggregate concrete.Using the control test method,recycled aggregate concrete was prepared with recycled aggregate,cement and admixture,and standard specimens were made.After 28 days of curing,different methods were used to determine its compressive strength.The compressive strength of recycled aggregate concrete test blocks measured by the pressure testing machine is taken as the standard value,and the compressive strength measured by rebound method and ultrasonic rebound method is taken as the control value to observe the measurement error and judge the advantages and disadvantages of the two methods.The analysis of the test data shows that the compressive strength of the test block is measured by the rebound method,and the error between the measured value and the standard value is 1.45％;the error between the measured value and the standard value is 0.49％when the ultrasonic rebound method is used to determine the compressive strength of the test block.As a result,the ultrasonic rebound method is more accurate in measuring the compressive strength of recycled aggregate concrete,and can provide reference for the preparation and application of recycled aggregate concrete.关键词
再生骨料混凝土/超声回弹法/回弹值/抗压强度/标准试件Key words
recycled aggregate concrete/ultrasonic rebound method/rebound value/compressive strength/standard specimen分类
建筑与水利引用本文复制引用
王金歌..超声回弹法检测再生骨料混凝土强度的试验分析[J].科技创新与应用,2024,14(21):70-73,4.基金项目
广东省教育厅2021年广东省本科高校教学质量与教学改革工程建设项目(KCJJD202101) （KCJJD202101）
广东理工学院2024年度校级科研平台项目(2024PZDZK02) （2024PZDZK02）
