小芯样法及其他混凝土抗压强度试验对比研究

Comparative Study on Compressive Strength Test of Small Core Sample Method and Other Concrete Compressive Strength Tests

混凝土的质量是决定建筑工程质量的重要因素,而混凝土抗压强度是反应混凝土质量最基本、最重要的指标。混凝土抗压强度的现场检测方法目前常用的有回弹法、超声回弹综合法和钻芯法。而随着混凝土强度的提高,钢筋间距的加密,小芯样法也逐渐被越来越多的人重视和研究。本文针对回弹法、超声回弹综合法和小芯样法展开试验研究,分析回弹法、超声回弹综合法和钻芯法检测混凝土抗压强度与标准试块强度之间的关系。

The quality of concrete is an important factor to determine the quality of construction projects,and the compressive strength of concrete is the most basic and important index to reflect the quality of concrete.At present,the common testing methods of concrete compressive strength are rebound method,ultrasonic rebound method and core-drilling method.With the increase of concrete strength and the increase of steel bar spacing,more and more people pay attention to the micro-core method.In this paper,the rebound method,ultrasonic-rebound method and micro-core method are studied,and the relationship between the rebound method,ultrasonic-rebound method and micro-core method to detect the compressive strength of concrete and the strength of the standard test block is analyzed.