| 预应力桥梁真空压浆工艺试验 |
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| 引用本文： | 程青现,朱恒璋.预应力桥梁真空压浆工艺试验[J].交通科技与经济,2011,13(5):21-23. |
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| 作者姓名： | 程青现 朱恒璋 |
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| 作者单位： | 1. 南京交通职业技术学院公路系,江苏南京,210000
2. 广东省公路建设有限公司,广东广州,510600 |
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| 摘 要： | 预应力桥梁施工中,孔道压浆质量差,导致预应力桥梁上部构造预应力过早损失,预应力筋过早锈蚀,结构开裂损坏影响结构的耐久性。通过对预应力桥梁结构纵向、横向、竖向预应力孔道压浆的各个环节进行试验,规范操作,最终取得较好效果。
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| 关 键 词： | 预应力 张拉 管道 压浆 |
Vacuum Grouting Test Prestressed Bridge |
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| CHENG Qing-xian,ZHU Hen-zhang.Vacuum Grouting Test Prestressed Bridge[J].Technology & Economy in Areas of Communications,2011,13(5):21-23. |
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| Authors: | CHENG Qing-xian ZHU Hen-zhang |
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| Institution: | CHENG Qing-xian1,ZHU Hen-zhang2(1.Nanjing Communication Institute of Technological,Road Department,Nanjing 210000,China,2.The Highway Construction Co.,Ltd.,of Guangdong Provincial,Guangzhou 510600,China) |
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| Abstract: | The prestressed bridge construction,duct grouting of poor quality,leading to premature prestress prestressed bridge superstructure damage,premature corrosion of tendons,structural cracking damage,affecting the durability of the structure.Prestressed bridge structures on vertical,horizontal,vertical duct grouting of all aspects of prestressed concrete strict requirements and standards,achieve better results. |
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| Keywords: | prestressing stress pipe grouting |
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