A constructive formula of ultrasonic-rebound method to test concrete strength is presented.
一种超声回弹综合法检测混凝土强度的推定公式被提出。
Strength test on concrete lining in highway tunnel based on synthetic method of ultrasonic rebound;
建立了适用于开封地区且精度高于全国通用测强曲线的超声回弹综合法专用曲线。
Strength test on concrete lining in highway tunnel based on synthetic method of ultrasonic rebound;
建立了适用于开封地区且精度高于全国通用测强曲线的超声回弹综合法专用曲线。
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