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| 声参数的高性能混凝土强度推定模型 | |
| 引用本文： | 王正君,谭忆秋,李胜利.声参数的高性能混凝土强度推定模型[J].哈尔滨工程大学学报,2009,30(6). |
| 作者姓名： | 王正君 谭忆秋 李胜利 |
| 作者单位： | 1. 哈尔滨工业大学,交通科学与工程学院,黑龙江,哈尔滨,150090;黑龙江大学,建筑工程学院,黑龙江,哈尔滨150086 2. 哈尔滨工业大学,交通科学与工程学院,黑龙江,哈尔滨,150090 3. 哈尔滨工业大学,土木工程学院,黑龙江,哈尔滨,150090 |
| 基金项目： | 住房和城乡建设部基金，黑龙江省教育厅科学技术研究项目 |
| 摘 要： | 为研究高性能混凝土的声波传播特性及实现其强度的快速、准确、无损检测,基于超声波检测方法,应用嫩江、多宝山附近的沙石料,对高性能混凝土对声波的扩散性及其抗压性能与声参量之间的模型关系进行了研究.建立了高性能混凝土抗压强度与声速之间的多种数学模型.通过实测检测数据进行验证,满足精度要求.高性能混凝土的非均质性降低,其抗压强度与声速相关性较好,用超声的方法完全可以实现强度的快速推定.同时,也为将来高性能混凝土地区强度推定曲线的建立奠定了研究基础. |
| 关 键 词： | 高性能混凝土 声学特性 超声 强度 |
Estimating the strength of high performance concrete using acoustic parameters |
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| WANG Zheng-jun,TAN Yi-qiu,LI Sheng-li.Estimating the strength of high performance concrete using acoustic parameters[J].Journal of Harbin Engineering University,2009,30(6). | |
| Authors: | WANG Zheng-jun TAN Yi-qiu LI Sheng-li |
| Affiliation: | 1.School of Traffic Science and Engineering;Harbin Institute of Technology;Harbin 150090;China;2.School of Architecture Engineering;Heilongjiang University;Harbin 150086;3.School of Civil Engineering;China |
| Abstract: | Fast and accurate non-destructive testing of high performance concrete is needed to ensure it is free of defects.The acoustic propagation characteristics of high performance concrete and the relationship between its compressive strength and ultrasonic parameters were studied by ultrasonic non-destructive methods using the sandstones of Nenjiang and Duobao mountains.Several mathematical models were developed for the compressive strength of high performance concrete and the velocity of sound.Precision require... |
| Keywords: | high performance concrete acoustic characteristic ultrasonic strength |
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