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再生骨料混凝土结构构件研究进展(II)——长期服役性能

彭立港 赵羽习

彭立港, 赵羽习. 再生骨料混凝土结构构件研究进展(II)——长期服役性能[J]. 工业建筑, 2024, 54(8): 114-125. doi: 10.3724/j.gyjzG24042606
引用本文: 彭立港, 赵羽习. 再生骨料混凝土结构构件研究进展(II)——长期服役性能[J]. 工业建筑, 2024, 54(8): 114-125. doi: 10.3724/j.gyjzG24042606
PENG Ligang, ZHAO Yuxi. Research Progress on Recycled Aggregate Concrete Structural Components (II): Long-Term Service Performance[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(8): 114-125. doi: 10.3724/j.gyjzG24042606
Citation: PENG Ligang, ZHAO Yuxi. Research Progress on Recycled Aggregate Concrete Structural Components (II): Long-Term Service Performance[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(8): 114-125. doi: 10.3724/j.gyjzG24042606

再生骨料混凝土结构构件研究进展(II)——长期服役性能

doi: 10.3724/j.gyjzG24042606
基金项目: 

浙江省"万人计划"科技创新领军人才项目(2021R52035)。

详细信息
    作者简介:

    彭立港,博士研究生,主要从事低碳混凝土结构的研究。

    通讯作者:

    赵羽习,教授,主要从事混凝土结构耐久性和建筑固废循环利用的研究,yxzhao@zju.edu.cn。

Research Progress on Recycled Aggregate Concrete Structural Components (II): Long-Term Service Performance

  • 摘要: 除了关注再生骨料混凝土结构的短期力学性能外,其长期服役性能的稳定性和可靠性同样值得重点关注,这直接关系到结构体系的长期安全稳定。系统地梳理了再生骨料混凝土内钢筋锈蚀、混凝土锈胀开裂、锈蚀钢筋与混凝土之间的黏结性能,以及再生骨料混凝土梁、柱构件长期服役性能等方面的研究进展,并指出了当前科学研究及标准制定过程中的不足之处。分析表明:尽管通过配合比及施工工艺优化等措施促使再生骨料混凝土结构构件的短期力学性能已经与普通混凝土结构构件相差无几,但前者的长期服役性能会出现显著削弱,尤其是在氯盐侵蚀和荷载损伤共同作用的服役环境下。再生骨料取代率对混凝土结构构件长期服役性能的影响不可忽略,因此在进行再生骨料混凝土结构耐久性设计时,必须给予特别考虑。鉴于此,开展再生骨料混凝土结构构件长期服役性能的追踪研究显得尤为必要。通过深入探究其长期服役性能的劣化机理,为再生骨料混凝土结构的标准修订及应用推广提供更为丰富的数据支撑和理论参考,从而实现建筑行业的低碳可持续发展。
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  • 收稿日期:  2024-04-26
  • 网络出版日期:  2024-09-19

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