证明了本桥主拱圈浇筑采取贝雷钢桁钢架是安全可行的。
It is safe and feasible to concrete the main arch-circle by steel arch truss.
高速公路跨线刚拱桥的主拱圈施工中，一般采用支架现浇施工。
Bracket moulding method is adopted popularly while rigidity over line arch bridge main circle construction is proceeding.
主拱圈施工完毕，达到设计强度后，设计制作了丁纶帆布砂袋进行卸载落架。
After construction of the main arch, and reaching the designed strength, sandbags made of canvas were used to unload.
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