海水珊瑚骨料混凝土耐久性研究现状

韩宇栋; 丁小平; 郝挺宇; 郭东; 侯东伟

doi:10.13204/j.gyjzG20042507

海水珊瑚骨料混凝土耐久性研究现状

doi: 10.13204/j.gyjzG20042507

1. 中冶建筑研究总院有限公司, 北京 100088;
2. 海军工程设计研究院, 北京 100070;
3. 上海交通大学土木工程系, 上海 200240

基金项目:

国家重点研发计划课题（2016YFC0701003）；国家自然科学基金（51479113）；海口市国家海洋经济创新发展示范城市建设课题（HHCL201814）；中冶建筑研究总院有限公司重大课题（YCK2017Ky01）。

详细信息

作者简介:
韩宇栋,男,1986年出生,高级工程师。

通讯作者:
侯东伟,男,1981年出生,博士,讲师,Houdw@sjtu.edu.cn。

计量
- 文章访问数: 252
- HTML全文浏览量: 48
- PDF下载量: 2
- 被引次数: 0
出版历程
- 收稿日期: 2020-06-13
- 网络出版日期: 2021-06-04

CURRENT STATUS OF RESEARCH ON DURABILITY OF SEAWATER-CORAL AGGREGATE CONCRETE

1. Central Research Institute of Building and Construction Co., Ltd., MCC Group, Beijing 100088, China;
2. Engineering Design & Research Bureau of the Navy, Beijing 100070, China;
3. Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

摘要

摘要: 海水珊瑚骨料混凝土是就地取材进行海洋岛礁建设的主要建筑材料，也是海洋国家的研究热点。基于珊瑚骨料混凝土全生命周期的阶段划分法，总结了海水盐分对水泥水化的影响，提出了珊瑚骨料-水泥基体两层次传输机制，综述了矿物腐蚀的主要机理和缓解作用下的损伤和破坏过程，讨论了现有研究不足，展望未来研究重点，为海水珊瑚骨料混凝土耐久性问题的进一步研究提供参考。
- 珊瑚骨料 /
- 海水 /
- 混凝土 /
- 耐久性
Abstract: Seawater-coral aggregate concrete has become a new type of building material for constructions in islands and reefs,supporting the development of ocean exploration in China. Based on the stage divisions of whole life cycle of seawater-coral aggregate concrete structures,the influences of salinity in seawater on early-age hydration of cement were summarized. A concept of two-level transmission routes through coral aggregate and cement matrix respectively was proposed. The main mechanism of mineral corrosion and the damage and destruction process under mitigation were reviewed. Main gaps and suggested key issues were expected to be valuable for future researches on the durability problem of seawater-coral aggregate concrete.
- coral reef aggregate /
- seawater /
- concrete /
- durability

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