Abstract: The coactions of subsealing concrete and steel pipe pile are the key technology of large steel suspension-box cofferdam.
封底混凝土与钢护筒作用是大钢吊箱及计与施工关键技术问题。
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The accident happened after a beam on a floating crane fell and impacted steel cofferdams, which supported the pier.
事故系桥墩,致使支撑桥墩的钢围堰坍塌。
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