Through research and practice of the Qianhe River Bridge simply supported continuous 30m small box girder prefabricated construction quality control points including templates, concrete, reinforced reserved length, plug board mounting and other details, the construction quality of small precast box girder is effectively ensured and the follow-up construction quality of the small box girder is also ensured, thus ensuring the overall quality of construction girder.%通过对芡河大桥先简支后连续30米小箱梁预制施工质量控制要点模板、混凝土、预留钢筋长度、堵头板安装等细节的研究和实践，不仅有效地保证了小箱梁在预制过程中的施工质量，而且确保了小箱梁在安装后后续施工的质量，从而保证了箱梁的总体施工质量。
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