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| Experimental study on physical and mechanical properties of filling gangue |
| Hao Binbin 1,2,4, Wang Chunhong 1,3 |
| 1. Hebei University of Engineering Hebei Provincial Key Laboratory of Resources Survey and Research, Handan 056038, China; 2. Hebei university of Engineering School of Mines and Surveying and Mapping Engineering, Handan 056038, China; 3. Hebei university of Engineering School of Earth Science and Engineering, Handan 056038, China; 4. Hebei University of Engineering Hebei Coal Mine Construction Engineering Technology Research Center, Handan 056038, China; |
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Abstract The mechanical properties of the coal gangue which was taken as research object were studied in this paper. Firstly, the basic mechanical properties of filling gangue were studied from aspects of physical and chemical composition analysis, electron microscope scanning and swelling analysis. Then, the experimental analysis was carried out on the compaction characteristics of filling gangue with the aid of uniaxial compression test machine, so as to effectively guide its practical application.
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