现代混凝土收缩开裂组合调控法评述

韩宇栋; 丁小平; 岳清瑞; 林松涛; 李威; 解世祥

doi:10.13204/j.gyjzG20111808

现代混凝土收缩开裂组合调控法评述

doi: 10.13204/j.gyjzG20111808

1. 中冶建筑研究总院有限公司, 北京 100088;
2. 北京科技大学城镇化与城市安全研究院, 北京 100083;
3. 清华大学土木工程系, 北京 100084

基金项目:

北京市科技新星计划（2020122）；海口市国家海洋经济创新发展示范城市建设课题（HHCL201814）；国家自然科学基金资助项目（52178263）；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,博士。电子信箱:hanyudong@cribc.com

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- 文章访问数: 122
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- 被引次数: 0
出版历程
- 收稿日期: 2020-11-18
- 网络出版日期: 2022-10-28

A Review on Shrinkage and Cracking Combination Control Methods for Modern Concrete

1. Central Research Institute of Building and Construction, MCC Group Co., Ltd., Beijing 100088, China;
2. Research Institute of Urbanization and City Safety, University of Science and Technology Beijing, Beijing 100083, China;
3. Department of Civil Engineering, Tsinghua University, Beijing 100084, China

摘要

摘要: 混凝土减缩防裂是混凝土耐久性研究中的重点问题。减缩剂法、膨胀补偿法、内养护法、外养护法、纤维增强法均已被证明是有效的减缩、控裂方法，但在单一使用时常常有其一定的局限性。根据混凝土收缩开裂的材料化学、物理、力学和微观机理，通过科学的匹配设计，采用合理的“内掺组合调控”“内外组合调控”“主被组合调控”组合调控技术，可发挥各方法间的协同作用，达到定时定向、高效针对、优势互补、劣势互消的目标，有望为混凝土减缩防裂提供全过程的、适用性更强的技术解决方案。
- 混凝土 /
- 收缩 /
- 开裂 /
- 组合调控
Abstract: Shrinkage reduction and crack prevention for concrete are the key problems in concrete durability research. There are many shrinkage combination control methods for modern concrete, which can be divided into three categories:internal admixtures combination, internal-external combination, and active-passive combination. From the perspectives of physics, chemistry, mechanics, and microcosmic, the synergistic mechanism and occurrence conditions of the three kinds of combined regulation were summarized. Several urgent problems in theoretical and experimental research were analyzed, and suggestions for future research were proposed. Through scientific matching design, the combined methods can realize timing and orientation, high efficiency, complementary advantages and mutual elimination of disadvantages, and are expected to provide a whole process and a much better adaptability technical solutions for shrinkage reduction and crack prevention of concrete.
- concrete /
- shrinkage /
- cracking /
- combination control

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参考文献(86)

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