A great amount of post tensioned pre-stressing concrete single box beam for double track (as called the box beam hereinafter) has been used on the line.
该线大量采用后张法预应力混凝土双线单箱简支箱梁。
Through engineering practice and theoretical analysis, the key points of quality and safe control in bonded post-tensioned pre-stressed concrete construction was presented in this paper.
本文通过工程和理论总结概述了后张有粘结预应力混凝土施工中质量与安全控制的要点。
Through engineering practice and theoretical analysis, the key points of quality and safe control in bonded post-tensioned pre-stressed concrete construction was presented in this paper.
本文通过工程和理论总结概述了后张有粘结预应力混凝土施工中质量与安全控制的要点。
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