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后张法预应力混凝土施工，是先浇筑混凝土，并在预应力筋的位置预留出相应的孔道，待混凝土达到设计要求强度后再张拉预应力钢材以形成预应力混凝土构件的施工方法。本文结合南水北调南阳试验段丁洼东南跨渠公路桥施工过程，对后张法箱梁施工过程中操作控制要点进行研究和探讨。
舌张法预应力箱梁施工过程操作控制要点
【摘 要】
：
后张法预应力混凝土施工，是先浇筑混凝土，并在预应力筋的位置预留出相应的孔道，待混凝土达到设计要求强度后再张拉预应力钢材以形成预应力混凝土构件的施工方法。本文结合南水北
【机 构】
：
河南省河川工程监理有限公司
【出 处】
：
河南水利与南水北调
【发表日期】
：
2004年期
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