| 陈家贡特大桥耐久性混凝土配合比设计 |
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| 引用本文： | 赵迁乔,宋夫才,郭培培,刘承论.陈家贡特大桥耐久性混凝土配合比设计[J].施工技术,2011,40(5). |
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| 作者姓名： | 赵迁乔 宋夫才 郭培培 刘承论 |
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| 作者单位： | 1. 山东科技大学资源与环境工程学院,山东,青岛,266510
2. 青岛市公路规划设计院,山东,青岛,266061 |
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| 基金项目： | 青岛市交通运输委资助项目“近海环境桥梁混凝土耐久性和施工技术研究”(QDJK2007001) |
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| 摘 要： | 耐久性混凝土在海洋环境桥梁工程中的技术应用尚在探索阶段,结合北方冰冻地区近海环境特点,对桥梁结构耐久性设计及耐久性混凝土的试配试验技术进行了探讨。阐述了海洋环境下桥梁混凝土结构耐久性设计方法,在考虑海洋环境作用等级及分区的基础上,提出了耐久性设计的主要技术指标及要求,并给出了针对性强和有效的耐久性设计方案。在尽可能降低单方混凝土中水泥用量而提高矿物掺和料用量的基本原则下,提出了国内冰冻海域桥梁建设中首次采用的大掺量普通矿粉的耐久性混凝土配合比技术,并通过陈家贡特大桥工程对各项耐久性混凝土指标给出验证。
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| 关 键 词： | 陈家贡特大桥 桥梁结构 混凝土 耐久性 设计 |
Design on Mix Proportion of Durability Concrete in Chenjiagong Bridge |
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| Zhao Qianqiao,Song Fucai,Guo Peipei,Liu Chenglun.Design on Mix Proportion of Durability Concrete in Chenjiagong Bridge[J].Construction Technology,2011,40(5). |
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| Authors: | Zhao Qianqiao Song Fucai Guo Peipei Liu Chenglun |
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| Affiliation: | Zhao Qianqiao1,Song Fucai2,Guo Peipei2,Liu Chenglun1(1.Resource and Environment Engineering School,Shandong University of Science and Technology,Qingdao,Shandong 266510,China,2.Qingdao Road Planning and Design Institute,Shandong 266061,China) |
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| Abstract: | The durability concrete application during bridge construction in the marine environment is still in the exploratory stage.Combining with the environmental characteristics of the northern freezing area of the bridge structure,durability design and adaptation test of concrete are discussed.The durability design method for bridge concrete in marine environment is described,and the main technology indexes and requirement are also put forward considering effect grade and partition of marine environment,as well ... |
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| Keywords: | Chenjiagong Bridge bridge structure concrete durability design |
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