Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone Matrix
Coal-measure mudstone is a typical dual-porosity media, and grouting in a matrix system is dominantly controlled by the imbibition effect for silica sol. This paper studies the imbibition effect using mudstone in the Huaibei mining area and silica sol as grouting material as an example. Groutability...
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MDPI AG
2017-03-01
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| Series: | Applied Sciences |
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| Online Access: | http://www.mdpi.com/2076-3417/7/3/300 |
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| author | Dongjiang Pan Nong Zhang Changliang Han Sen Yang Chenghao Zhang Zhengzheng Xie |
| author_facet | Dongjiang Pan Nong Zhang Changliang Han Sen Yang Chenghao Zhang Zhengzheng Xie |
| author_sort | Dongjiang Pan |
| collection | DOAJ |
| description | Coal-measure mudstone is a typical dual-porosity media, and grouting in a matrix system is dominantly controlled by the imbibition effect for silica sol. This paper studies the imbibition effect using mudstone in the Huaibei mining area and silica sol as grouting material as an example. Groutability, driving force, and diffusion difficulty affecting the imbibition effect were tested by a mercury porosimeter, nanoparticle size analyzer, optical contact-angle measuring device, surface tension meter, and rotary viscosity meter. After finely grinding a mudstone sample, a pressureless imbibition process was conducted through nuclear magnetic resonance equipment for 216 h to study colloid spontaneous migration and phase characteristics. Results show that silica sol absorption rate follows a power function and that the spectrograms of T2 are distributed in a triple peak pattern, with a tendency to move to the right of vertex time. The paper lays a theoretical and experimental foundation for field grouting in the coal mine. |
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| language | English |
| last_indexed | 2024-04-13T06:29:33Z |
| publishDate | 2017-03-01 |
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| spelling | doaj.art-e950b8703aa64bf8b29c147e604cb6d22022-12-22T02:58:14ZengMDPI AGApplied Sciences2076-34172017-03-017330010.3390/app7030300app7030300Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone MatrixDongjiang Pan0Nong Zhang1Changliang Han2Sen Yang3Chenghao Zhang4Zhengzheng Xie5Key Laboratory of Deep Coal Resource Mining, Ministry of Education of China, China University of Mining and Technology, Xuzhou 221116, ChinaKey Laboratory of Deep Coal Resource Mining, Ministry of Education of China, China University of Mining and Technology, Xuzhou 221116, ChinaKey Laboratory of Deep Coal Resource Mining, Ministry of Education of China, China University of Mining and Technology, Xuzhou 221116, ChinaKey Laboratory of Deep Coal Resource Mining, Ministry of Education of China, China University of Mining and Technology, Xuzhou 221116, ChinaKey Laboratory of Deep Coal Resource Mining, Ministry of Education of China, China University of Mining and Technology, Xuzhou 221116, ChinaKey Laboratory of Deep Coal Resource Mining, Ministry of Education of China, China University of Mining and Technology, Xuzhou 221116, ChinaCoal-measure mudstone is a typical dual-porosity media, and grouting in a matrix system is dominantly controlled by the imbibition effect for silica sol. This paper studies the imbibition effect using mudstone in the Huaibei mining area and silica sol as grouting material as an example. Groutability, driving force, and diffusion difficulty affecting the imbibition effect were tested by a mercury porosimeter, nanoparticle size analyzer, optical contact-angle measuring device, surface tension meter, and rotary viscosity meter. After finely grinding a mudstone sample, a pressureless imbibition process was conducted through nuclear magnetic resonance equipment for 216 h to study colloid spontaneous migration and phase characteristics. Results show that silica sol absorption rate follows a power function and that the spectrograms of T2 are distributed in a triple peak pattern, with a tendency to move to the right of vertex time. The paper lays a theoretical and experimental foundation for field grouting in the coal mine.http://www.mdpi.com/2076-3417/7/3/300imbibition effectsilica solcoal-measure mudstone |
| spellingShingle | Dongjiang Pan Nong Zhang Changliang Han Sen Yang Chenghao Zhang Zhengzheng Xie Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone Matrix Applied Sciences imbibition effect silica sol coal-measure mudstone |
| title | Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone Matrix |
| title_full | Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone Matrix |
| title_fullStr | Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone Matrix |
| title_full_unstemmed | Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone Matrix |
| title_short | Experimental Study of Imbibition Characteristics of Silica Sol in Coal-Measure Mudstone Matrix |
| title_sort | experimental study of imbibition characteristics of silica sol in coal measure mudstone matrix |
| topic | imbibition effect silica sol coal-measure mudstone |
| url | http://www.mdpi.com/2076-3417/7/3/300 |
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