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| 复合增钙液态渣粉混凝土的微观结构及力学性能研究 | |
| 引用本文： | 张恒,李家和,张守杰.复合增钙液态渣粉混凝土的微观结构及力学性能研究[J].混凝土,2008(10). |
| 作者姓名： | 张恒 李家和 张守杰 |
| 作者单位： | 1. 黑龙江省水利科学研究院,黑龙江,哈尔滨,150080;哈尔滨工业大学,材料科学与工程学院,黑龙江,哈尔滨,150006 2. 哈尔滨工业大学,材料科学与工程学院,黑龙江,哈尔滨,150006 3. 黑龙江省水利科学研究院,黑龙江,哈尔滨,150080 |
| 摘 要： | 通过SEM及压汞试验分析了掺人复合增钙液态渣粉的水工混凝土微观结构和孔结构.试验结果表明:复合增钙液态渣粉混凝土初期的孔隙率大,复合增钙液态渣粉28 d之后水化进程仍在继续,28 d之后混凝土孔径尺寸细化到50-100 nm,60d时复合增钙液态渣粉混凝土结构更为均匀致密,孔径尺寸更为细小.28 d时,复合增钙液态渣粉混凝土的抗压强度低于未掺复合增钙液态渣粉的基准混凝土,60d时已达到或超过基准混凝土. |
| 关 键 词： | 复合增钙液态渣 水化 微观结构 孔结构 强度 |
Microstructure and mechanical property of concrete with compound lime-adding liquid slag powder |
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| ZHANG Heng,LI Jia-he,ZHANG Shou-jie.Microstructure and mechanical property of concrete with compound lime-adding liquid slag powder[J].Concrete,2008(10). | |
| Authors: | ZHANG Heng LI Jia-he ZHANG Shou-jie |
| Affiliation: | 1. Heilongjiang Hydraulic Science Research Institute;Harbin 150080;China;2. School of Material Science and Engineering;Harbin Institute of Technology;Harbin 150006;China |
| Abstract: | Compound lime-adding liquid slag powder is used as mineral admixtures of hydraulic concrete.Micro-measurements like porosity distribution test and interfacial structure test had been done.The result shows that concrete with lime-adding liquid slag powder has larger porosity at the beginning which fines to 50~100 nm at 28d age because of sustained hydration process,and the concrete has smaller pore size at 60d age,compared to blanked concrete.The compressive strength of the compound concrete is lower at 28d ... |
| Keywords: | compound lime-adding liquid slag hydration microstructure pore structure strength |
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