| 预应力混凝土连续箱梁桥防裂设计建议 |
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| 引用本文： | 彭卫,林晨.预应力混凝土连续箱梁桥防裂设计建议[J].混凝土,2006(8):74-76. |
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| 作者姓名： | 彭卫 林晨 |
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| 作者单位： | 金华职业技术学院,浙江,金华,321017 |
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| 基金项目： | 浙江省交通科技发展基金 |
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| 摘 要： | 针对预应力混凝土连续箱梁桥普遍开裂的情况，根据不同类型、不同部位的裂缝，从预应力束的设置、箱梁翼板有效宽度和内力增大系数、箱梁构造要求、温度梯度模式、普通钢筋配置等方面提出了一些预应力混凝土连续箱梁防裂设计建议，以供同行商榷。
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| 关 键 词： | 预应力混凝土连续梁 箱形梁 裂缝 防裂设计 |
| 文章编号： | 1002-3550-（2006）08-0074-03 |
| 收稿时间： | 2006-06-23 |
| 修稿时间： | 2006-06-23 |
Anti-cracks design recommendations of prestressed concrete continuous box girder bridges |
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| PENG Wei,LI Chen.Anti-cracks design recommendations of prestressed concrete continuous box girder bridges[J].Concrete,2006(8):74-76. |
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| Authors: | PENG Wei LI Chen |
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| Affiliation: | Jinhua College of Profession and Technology, Jinhua 321017, China |
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| Abstract: | According to different type of cracks, several anti-cracks design recommendations of the prestressed concrete continuous box girders of a bridge suffered damages are proposed, which includes arrangement of prestressed tendons, effective width of box girder webs, structural requirements, temperature gradients, reinforcements et al. |
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| Keywords: | prestressed concrete continuous girders box girders cracks anti-cracks design |
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