[1]曾家民,曾琦芳,林煌斌.超限游离氧化钙混凝土的体积安定性试验[J].华侨大学学报(自然科学版),2014,35(3):336-339.[doi:10.11830/ISSN.1000-5013.2014.03.0336]
 ZENG Jia-min,ZENG Qi-fang,LIN Huang-bin.Volume Stability Test of Over-Limit Free-CaO Concrete[J].Journal of Huaqiao University(Natural Science),2014,35(3):336-339.[doi:10.11830/ISSN.1000-5013.2014.03.0336]
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超限游离氧化钙混凝土的体积安定性试验()
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《华侨大学学报(自然科学版)》[ISSN:1000-5013/CN:35-1079/N]

卷:
第35卷
期数:
2014年第3期
页码:
336-339
栏目:
出版日期:
2014-05-16

文章信息/Info

Title:
Volume Stability Test of Over-Limit Free-CaO Concrete
文章编号:
1000-5013(2014)03-0336-04
作者:
曾家民1 曾琦芳2 林煌斌34
1. 华侨大学 土木工程学院, 福建 厦门 361021;2. 华侨大学 建筑学院, 福建 厦门 361021;3. 同济大学 应用力学研究所, 上海 200092;4. 集美大学 工程技术学院, 福建 厦门 361021
Author(s):
ZENG Jia-min1 ZENG Qi-fang2 LIN Huang-bin34
1. College of Civil Engineering, Huaqiao University, Xiamen 361021, China; 2. College of Architecture, Huaqiao University, Xiamen 361021, China; 3. Institute of Applied Mechanics, Tongji University, Shanghai 200092, China; 4. College of Engineering and Te
关键词:
游离氧化钙 混凝土 体积安定性 结构损伤 材料试验 膨胀应力
Keywords:
free-CaO concrete volume stability structure damage material test swelling stress
分类号:
TU984.14
DOI:
10.11830/ISSN.1000-5013.2014.03.0336
文献标志码:
A
摘要:
通过试验条件诱发游离氧化钙(f-CaO)发生反应,以检验混凝土的体积安定.试验结果表明:f-CaO超限是可能引起混凝土体积安定性的影响因素;对芯样进行严格的湿热工艺处理后,芯样线变化率和抗压强度均在允许的范围内,该工程项目不用拆除可继续施工;经过持续13 a的观测,未发现由于f-CaO安定性引起的工程质量异常.
Abstract:
Under the test conditions, free-CaO reaction was induced, the concrete volume stability was inspected. The experimental results show that over-limit free-CaO is the main factor causing the cement volume stability. After the strict heat-moisture treatment for core sample, both the line change rate and compressive strength were within the permitted range. Consequently, the engineering needs not to be demolished, the construction continued as usual, under observation lasting for 13 years, no abnormal structure damage due to f-CaO volume stability has been found.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2013-10-22
通信作者: 曾家民(1948-),男,教授,主要从事工程材料与质量鉴定的研究.E-mail:zjmin@hqu.edu.cn.
基金项目: 福建省自然科学基金资助项目(2011J01320); 中央高校基本科研业务费专项资金, 国务院侨办科研基金资助项目(11QZR15); 国家公益性行业科研专项(201111020-2)
更新日期/Last Update: 2014-05-20