| 预应力CFRP布加固混凝土桥梁技术 |
| |
| 引用本文： | 周小蓉,李红宝,沙吾列提.拜开依,庄江波,叶列平.预应力CFRP布加固混凝土桥梁技术[J].广州建筑,2008,36(2):12-17. |
| |
| 作者姓名： | 周小蓉 李红宝 沙吾列提.拜开依 庄江波 叶列平 |
| |
| 作者单位： | 1. 广州市中心区交通项目领导小组办公室,广州,510030
2. 清华大学土木工程系,北京,100840 |
| |
| 摘 要： | 由于各种原因，目前我国有很多混凝土桥梁需要维修或加固。近年来，采用粘贴CFRP布加固混凝土结构的技术得到广泛应用。为充分利用CFRP布的高强特点。对CFRP布施加预应力后，再粘贴于粱底进行加固，可以取得更好的加固效果。本文介绍预应力CFRP布在混凝土桥梁加固中的应用技术及其施工阶段的计算方法。
|
| 关 键 词： | 预应力 碳纤维布 桥梁 混凝土 预应力损失 |
Technique of Prestressed CFRP Sheets in Strengthening RC Bridge Girders |
| |
| Authors: | ZHOU Xiao-rong LI Hong-bao Shawulietibaikaiyi ZHUANG Jiang-bo YE Lie-ping |
| |
| Affiliation: | ZHOU Xiao-rong1 LI Hong-bao1 Shawulieti.baikaiyi2 ZHUANG Jiang-bo2 YE Lie-ping2(1.Guangzhou City Center Transport Project Office,Guangzhou 510030)(2.Department of Civil Engineering of Tsinghua University,Beijing 100840) |
| |
| Abstract: | Due to many causes,a large number of existing bridges need to be strengthened.In recent years,the external bonded of CFRP sheets for reinforced concrete structures strengthening has been gaining an extensive application.To obtain a more effective use of CFRP's high strength and make an effectively strengthening,the concept of prestressing can also be applied to CFRP sheets the flexural strengthening of RC girders.The application technique of prestressed CFRP sheets and the calculation during the constructio... |
| |
| Keywords: | prestress carbon fiber reinforced polymer sheets bridge reinforced concrete loss of prestress |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
