高等级公路先张预应力空心板预制及质量控制

On pre-tensioned prestressed hollow board prefabrication of high level roads and quality control

针对先张预应力空心板施工质量控制的重要性,就预应力空心板预制的施工准备、原材料质量控制及混凝土配合比的要求以及预应力空心板施工过程质量控制进行了论述,以确保预应力梁体的施工质量。

Aiming at the importance of the construction quality control in the pre-tensioned prestressed hollow board, the paper indicates the construction preparation, the quality control of raw materials, the requirements for concrete proportional ratio, and the quality control of the construction process for the presstressed hollow board of the prestressed hollow board prefabrication, so as to ensure the construction quality for the presstressed bridge beams.