| 混凝土新型环形约束收缩试验装置的研制及应用 |
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| 引用本文： | 林旭健,季韬,黄丹青,梁咏宁,陈彩艺.混凝土新型环形约束收缩试验装置的研制及应用[J].福州大学学报(自然科学版),2010,38(1). |
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| 作者姓名： | 林旭健 季韬 黄丹青 梁咏宁 陈彩艺 |
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| 作者单位： | 福州大学土木工程学院; |
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| 基金项目： | 福建省自然科学基金资助项目(2008J0331);;福建省科技厅重点资助项目(2007H0024) |
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| 摘 要： | 研制带隔板的新型混凝土用环形约束收缩试验装置,可引导混凝土环在隔板处开裂,开裂位置明确、集中,改进以往环形试件不易开裂、裂缝不易观测的缺点,方便快捷地测定混凝土的自由收缩和约束收缩,快速准确判断混凝土的开裂龄期和开裂趋势.提出基于该新型环形约束收缩试验装置的快速评估混凝土抗裂性能的方法.
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| 关 键 词： | 混凝土 约束收缩试验 装置 隔板 |
Development and application of new ring equipment for restrained shrinkage test of concrete |
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| LIN Xu-jian,JI Tao,HUANG Dan-qing,LIANG Yong-ning,CHEN Cai-yi.Development and application of new ring equipment for restrained shrinkage test of concrete[J].Journal of Fuzhou University(Natural Science Edition),2010,38(1). |
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| Authors: | LIN Xu-jian JI Tao HUANG Dan-qing LIANG Yong-ning CHEN Cai-yi |
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| Institution: | College of Civil Engineering;Fuzhou University;Fuzhou;Fujian 350108;China |
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| Abstract: | A new type of ring equipment for restrained shrinkage test of concrete is developed.In the equipment,a clapboard is added in concrete ring to induce the anticipative cracking.The new ring equipment can be used to predict cracking ages and tendency of concrete conveniently and rapidly.And based on the new ring equipment,a simple method for estimating the cracking performance of concrete is proposed in this paper. |
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| Keywords: | concrete restrained shrinkage test equipment clapboard |
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