A constructive formula of ultrasonic - rebound method to test concrete strength is presented.

摘要提出一种超声回弹综合法检测混凝土强度的推定公式.

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A new method ( layer - by - layer rebound method ) is presented residual strength of concrete exposed to elevated temperature.

提出了 逐 层回弹法检测火灾后混凝土强度的方法.

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