Taking the bridge in Xinchang railway as example the construction principle, calculation key points and construction process of two supporting points float dragging method are simply introduced.
以新长铁路十九标段太塥运河中桥为例，简要介绍了二支点浮拖法架设钢桁梁的施工原理、计算要点及施工过程。
Taking the bridge in Xinchang railway as example the construction principle, calculation key points and construction process of two supporting points float dragging method are simply introduced.
以新长铁路十九标段太塥运河中桥为例，简要介绍了二支点浮拖法架设钢桁梁的施工原理、计算要点及施工过程。
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