The principle of concrete strength measurement based on ultrasound-resilience method is introduced, ultrasound-resilience method formula of concrete strength measurement in Daqing district is obtained by using the nonlinear least square method.%介绍了超声-回弹法测定混凝土强度的原理,利用非线性最小二乘法求得了大庆地区混凝度强度测定的超声-回弹法公式.
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