| 轻骨料混凝土在旧桥改造中的应用 |
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| 引用本文： | 覃志学.轻骨料混凝土在旧桥改造中的应用[J].广东交通职业技术学院学报,2009,8(3):39-41,47. |
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| 作者姓名： | 覃志学 |
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| 作者单位： | 广州市公路工程公司,广东广州,510075 |
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| 摘 要： | 轻骨料混凝土具有良好的抗裂、抗震、抗渗、抗冻等耐久性能,且减轻结构自重,降低维修成本。文中介绍了轻骨料混凝土的特点和配合比设计过程,并结合国道G324线广州长平至金坑公路扩建工程实例介绍了轻骨料混凝土施工工艺。
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| 关 键 词： | 轻骨料混凝土 旧桥改造 施工工艺 |
Application of the Light-weight Aggregate Concrete for Maintenance and Repair Used Bridges |
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| QIN Zhi-xue.Application of the Light-weight Aggregate Concrete for Maintenance and Repair Used Bridges[J].Journal of Guangdong Communication Polytechnic,2009,8(3):39-41,47. |
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| Authors: | QIN Zhi-xue |
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| Institution: | QIN Zhi-xue (Highway Engineering Company of Guangzhou City, Guangzhou 510075,China) |
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| Abstract: | Light-weight aggregate concrete has some durability,such as good crack resistance,earthquake resistance, impermeability,frost resistance,etc.,meanwhile it can lighten the structural weight and reduce maintenance costs.This paper introduces the characteristics and mix design process of light-weight aggregate concrete,and the construction technology of light-weight aggregate concrete,based on an example of the engineering-widen the G324 national road（the portion of Changping to Jinkeng）. |
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| Keywords: | light-weight aggregate concrete maintenance and repair used bridge construction technology |
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