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A platform for research: civil engineering, architecture and urbanism
Preparation method of reinforced non-spontaneous combustion coal gangue aggregate sprayed concrete
The invention discloses a preparation method of reinforced non-spontaneous combustion coal gangue aggregate sprayed concrete, which utilizes a method for reinforcing coal gangue by silica sol, on one hand, a layer of protective film can be formed on the surface of the non-spontaneous combustion coal gangue through soaking of the silica sol, and the water absorption rate of the non-spontaneous combustion coal gangue is improved; on the other hand, SiO2 in the silica sol solution can react with cement to generate a cementation effect, so that the strength of the non-spontaneous-combustion coal gangue sprayed concrete is improved. The non-spontaneous-combustion coal gangue is selected from waste generated in the coal mining process and belongs to industrial waste with pollution, the silica sol solution reinforced non-spontaneous-combustion coal gangue is used in the sprayed concrete coarse aggregate, and the solid waste non-spontaneous-combustion coal gangue generated in the coal mining process is used, so that the use amount of the silica sol solution reinforced non-spontaneous-combustion coal gangue is reduced; the production cost is effectively reduced, a certain positive effect on environmental protection is achieved, and good economic and environmental benefits are achieved.
本发明公布了一种强化未自燃煤矸石骨料喷射混凝土的制备方法，本发明利用了一种硅溶胶强化煤矸石的方法，一方面通过硅溶胶的浸泡可以在未自燃煤矸石表面形成一层保护膜，改善未自燃煤矸石的吸水率，另一方面硅溶胶溶液中的SiO2可以和水泥发生反应，产生胶结作用，提高未自燃煤矸石喷射混凝土的强度。发明中的未自燃煤矸石选自煤矿开采过程中产生的废物，属于具有污染性的工业废物，将硅溶胶溶液强化未自燃煤矸石用于喷射混凝土粗骨料中，该发明使用了煤矿开采产生的固体废弃物未自燃煤矸石，有效地降低了生产所需的成本并对环境保护起到了一定的正面作用，具有良好的经济和环境的双重效益。
Preparation method of reinforced non-spontaneous combustion coal gangue aggregate sprayed concrete
The invention discloses a preparation method of reinforced non-spontaneous combustion coal gangue aggregate sprayed concrete, which utilizes a method for reinforcing coal gangue by silica sol, on one hand, a layer of protective film can be formed on the surface of the non-spontaneous combustion coal gangue through soaking of the silica sol, and the water absorption rate of the non-spontaneous combustion coal gangue is improved; on the other hand, SiO2 in the silica sol solution can react with cement to generate a cementation effect, so that the strength of the non-spontaneous-combustion coal gangue sprayed concrete is improved. The non-spontaneous-combustion coal gangue is selected from waste generated in the coal mining process and belongs to industrial waste with pollution, the silica sol solution reinforced non-spontaneous-combustion coal gangue is used in the sprayed concrete coarse aggregate, and the solid waste non-spontaneous-combustion coal gangue generated in the coal mining process is used, so that the use amount of the silica sol solution reinforced non-spontaneous-combustion coal gangue is reduced; the production cost is effectively reduced, a certain positive effect on environmental protection is achieved, and good economic and environmental benefits are achieved.
本发明公布了一种强化未自燃煤矸石骨料喷射混凝土的制备方法，本发明利用了一种硅溶胶强化煤矸石的方法，一方面通过硅溶胶的浸泡可以在未自燃煤矸石表面形成一层保护膜，改善未自燃煤矸石的吸水率，另一方面硅溶胶溶液中的SiO2可以和水泥发生反应，产生胶结作用，提高未自燃煤矸石喷射混凝土的强度。发明中的未自燃煤矸石选自煤矿开采过程中产生的废物，属于具有污染性的工业废物，将硅溶胶溶液强化未自燃煤矸石用于喷射混凝土粗骨料中，该发明使用了煤矿开采产生的固体废弃物未自燃煤矸石，有效地降低了生产所需的成本并对环境保护起到了一定的正面作用，具有良好的经济和环境的双重效益。
Preparation method of reinforced non-spontaneous combustion coal gangue aggregate sprayed concrete
一种强化未自燃煤矸石骨料喷射混凝土的制备方法
ZHANG XIANGDONG (author) / ZHENG TAO (author) / LI WENLIANG (author) / E FEI (author) / LI TIANYU (author) / LI ZONG (author) / GENG JIE (author) / WANG SIQI (author) / WU SIYAO (author) / WANG YE (author)
2024-03-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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