预应力混凝土箱梁曲线钢束防崩研究

Study on Curved Steel Beam Anti-collapse of Pre-stressed Concrete Box Girder

该文针对预应力混凝土箱梁曲线钢束外崩破坏的各种病害,结合四种曲线钢束形式,研究了外崩破坏的原因及计算方法,分析了其中的影响因素,并根据影响因子给出了防崩钢筋的计算公式。

Aiming at various defects of curved steel beam collapse damage of pre-stressed concrete box girder, and combined with four curved steel beams, the article studies the causes and calculation method of collapse damage, analyzes the influence factors, and gives the calculation formula of anti-collapse reinforcement based on the influencing factor.