Taking the support construction of Gujiao River Bridge as the example,the paper,from the support and bottom die design,loading calculation,the calculation of longitudinal I-shaped steel,and strength of steel pipe piles and stability calculation,introduces the construction schemes for the project,and sums up some precautions in the cast-in-site support construction,so as to ensure the bridge construction quality and save cost.%以古郊河大桥支架施工为例，从支架与底模设计、荷载计算、纵桥向工字钢验算、钢管桩强度与稳定性验算等方面，介绍了该工程的具体施工方案，并总结了桥梁现浇板支架施工中的注意事项，保证了桥梁施工质量，节约了成本。
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