砌体块材中烧结砖回弹法检测抗压强度应用越来越广泛,但在非烧结砖中并未得到推广应用。通过四川建筑科学研究院和江苏省建筑科学研究院的墙体共110块试块,对混凝土多孔砖回弹测试时回弹带肋及不带肋位置的影响进行了研究;通过江苏省建筑科学研究院3片试验墙体,对不同砂浆强度对回弹值的影响进行了研究;通过湖南大学结构试验室的12个砌体试件,对不同竖向压力、试验方法对回弹值的影响进行了研究;通过对混凝土多孔砖回弹值-抗压强度试验数据的回归分析,得到以ZC4型砖回弹仪的抛物线函数表达式为混凝土多孔砖回弹测强计算式。
Fired brick rebound method test the compressive strength of masonry structure is used more and more common, but has not been applied in non - fired brick.Based on the test of 110 bricks chosen from walls by Sichuan Institute of building Research and Jiang- su Institute of building research ,the differences of the rebound value for concrete perforated brick ribbed and without ribbed position has been investigated in this research.The influences of different mortar strength to rebound value was studied in Jiangsu Institute of Build- ing Research. In addition, the influences of different vertical pressure, and test methods to the rebound value are studied in the experiment of 12 masonry specimens by Hunan University. Based on the regression and analysis of the experimental data, then got ZC4 brick re- bound hammer parabola function expression for concrete perforated brick rebound strength formula.