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对混凝土进行非破损测强,主要有回弹法、超声法和回弹——超声综合法.在制定测强曲线时,需要测试大量试块回弹值、声速值和抗压强度值.当取得这些数据后,还需要进行回归分析、方程检验、理论强度计算、误差分析以及列表画曲线等.上述计算如果采用表格法是较繁杂的,不仅工作量大而且容易出错.目前袖珍电子计算器得到广泛应用,只要使用的计算器中附加存储器,是函数
Non-destructive testing of concrete strength, mainly with the rebound method, ultrasonic and rebound - ultrasonic integrated method in the development of strength test curve, the need to test a large number of test rebound, sound velocity and compressive strength values. Obtained these data, but also need to carry on the regression analysis, the equation test, the theory strength computation, the error analysis as well as draws the curve of the curve, etc .. If the above-mentioned calculation method is more complicated, not only the workload is heavy but also error-prone. At present pocket electronic calculators Be widely used, as long as the additional memory used in the calculator is a function