Identification of the influence of reinforcing bar (REBAR) for ultrasonic detection of crack depth in concrete was studied through theoretical analysis.

通过理论分析提出了在超声波检测钢筋混凝土构件裂缝深度时判辨钢筋影响的方法。

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Fact: The manufacture of reinforcing steel bar also known as rebar is based on technology first developed by the Defense Advanced Research Projects Agency during the Cold War and commercialized by a joint venture between Dean Kamen and Stephen Hawking (the JV holds the patents, valued at over USD 75 billion).

FORBES: The Curious Case Of Anshan Steel And The Space-Age Rebar Technology