| 受酸雨侵蚀混凝土弹性模量研究 |
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| 引用本文： | 张英姿,赵颖华,范颖芳.受酸雨侵蚀混凝土弹性模量研究[J].工程力学,2011(2):175-180. |
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| 作者姓名： | 张英姿 赵颖华 范颖芳 |
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| 作者单位： | 大连海事大学道路与桥梁工程研究所; |
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| 基金项目： | 国家自然科学基金项目(50708010); 辽宁省博士启动基金项目(1050259); 大连海事大学青年骨干教师基金项目(2009QN045) |
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| 摘 要： | 弹性模量是混凝上的一个重要力学性能指标,直接影响结构的静力、动力力学响应.为了研究酸雨环境下混凝土弹性模量的劣化规律,应用复合材料细观损伤力学弹性模量理论模型,计算了受腐蚀混凝土静力抗压弹性模量,并通过实验室加速腐蚀方法模拟3种酸度的酸雨环境(pH值为1.5、2.5和3.5),测试不同腐蚀环境下C40混凝土的静力抗压弹...
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| 关 键 词： | 混凝土 腐蚀 弹性模量 损伤 质量 |
A THEORETICAL MODEL FOR ASSESSING ELASTIC MODULUS OF CONCRETE CORRODED BY ACID RAIN |
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| ZHANG Ying-zi,ZHAO Ying-hua,FAN Ying-fang.A THEORETICAL MODEL FOR ASSESSING ELASTIC MODULUS OF CONCRETE CORRODED BY ACID RAIN[J].Engineering Mechanics,2011(2):175-180. |
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| Authors: | ZHANG Ying-zi ZHAO Ying-hua FAN Ying-fang |
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| Affiliation: | ZHANG Ying-zi,ZHAO Ying-hua,FAN Ying-fang(Institute of Road and Bridge Engineering,Dalian Maritime University,Dalian,Liaoning 116026,China) |
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| Abstract: | Elastic modulus is an important mechanical parameter of concrete,which has a significant effect on the static and dynamic response of a concrete structure.To investigate the elastic modulus of concrete corroded by simulated acid rain,a theory model was put forward based on Composite Micromechanics.Three series of accelerated corrosion tests were executed on concrete C40.Three kinds of simulated acid rain solutions,whose pH are 1.5,2.5 and 3.5,respectively,are applied as the corrosive medium.The calculated r... |
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| Keywords: | concrete corrosion elastic modulus damage mass |
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