A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method of coal gangue coarse aggregate concrete
The invention discloses a preparation method of coal gangue concrete, and relates to the technical field of resource reutilization of solid waste. The coal gangue coarse aggregate concrete comprises a coal gangue raw material and a concrete material, wherein the coal gangue raw material comprises a coal gangue admixture and coal gangue coarse aggregate, wherein the concrete material comprises natural coarse aggregate, natural fine aggregate, cement and water. The coal gangue coarse aggregate concrete is prepared from the following components in parts by weight: 3 to 8 parts of the coal gangue admixture, 35 to 120 parts of the coal gangue coarse aggregate, 0 to 84 parts of the natural coarse aggregate, 64 to 65 parts of the natural fine aggregate, 29 to 34 parts of the cement and 18 to 19 parts of the water. According to the invention, the coal gangue is used as the mineral admixture and the coarse aggregate for preparing the concrete at the same time; in a proper proportioning range of the coal gangue concrete, the mechanical property of the coal gangue concrete is close to the mechanical property of common concrete, standard requirements are met, and high-added-value utilization of the coal gangue is achieved; and the use amount of cement and natural aggregate is reduced, cost is saved, and ecological environment protection is facilitated.
本发明公开一种煤矸石混凝土的制备方法，涉及固废资源再利用技术领域，包括煤矸石原料和混凝土材料，其中，所述的煤矸石原料组分包括煤矸石掺合料和煤矸石粗骨料；所述的混凝土材料包括天然粗骨料、天然细骨料、水泥和水；各组分按重量份数分别为：3‑8份煤矸石掺合料、35‑120份煤矸石粗骨料、0‑84份天然粗骨料、64‑65份天然细骨料、29‑34份水泥、18‑19份水，本发明将煤矸石同时用作制备混凝土的矿物掺合料和粗骨料，在煤矸石混凝土配比适配范围下，其力学性能接近普通混凝土，符合规范要求，实现了煤矸石的高附加值利用；本发明减少了水泥和天然骨料的用量，节约了成本，有利于生态环境保护。
Preparation method of coal gangue coarse aggregate concrete
The invention discloses a preparation method of coal gangue concrete, and relates to the technical field of resource reutilization of solid waste. The coal gangue coarse aggregate concrete comprises a coal gangue raw material and a concrete material, wherein the coal gangue raw material comprises a coal gangue admixture and coal gangue coarse aggregate, wherein the concrete material comprises natural coarse aggregate, natural fine aggregate, cement and water. The coal gangue coarse aggregate concrete is prepared from the following components in parts by weight: 3 to 8 parts of the coal gangue admixture, 35 to 120 parts of the coal gangue coarse aggregate, 0 to 84 parts of the natural coarse aggregate, 64 to 65 parts of the natural fine aggregate, 29 to 34 parts of the cement and 18 to 19 parts of the water. According to the invention, the coal gangue is used as the mineral admixture and the coarse aggregate for preparing the concrete at the same time; in a proper proportioning range of the coal gangue concrete, the mechanical property of the coal gangue concrete is close to the mechanical property of common concrete, standard requirements are met, and high-added-value utilization of the coal gangue is achieved; and the use amount of cement and natural aggregate is reduced, cost is saved, and ecological environment protection is facilitated.
本发明公开一种煤矸石混凝土的制备方法，涉及固废资源再利用技术领域，包括煤矸石原料和混凝土材料，其中，所述的煤矸石原料组分包括煤矸石掺合料和煤矸石粗骨料；所述的混凝土材料包括天然粗骨料、天然细骨料、水泥和水；各组分按重量份数分别为：3‑8份煤矸石掺合料、35‑120份煤矸石粗骨料、0‑84份天然粗骨料、64‑65份天然细骨料、29‑34份水泥、18‑19份水，本发明将煤矸石同时用作制备混凝土的矿物掺合料和粗骨料，在煤矸石混凝土配比适配范围下，其力学性能接近普通混凝土，符合规范要求，实现了煤矸石的高附加值利用；本发明减少了水泥和天然骨料的用量，节约了成本，有利于生态环境保护。
Preparation method of coal gangue coarse aggregate concrete
一种煤矸石粗骨料混凝土的制备方法
YAN JIE (author) / SHAN DOUDOU (author) / XIE JUN (author) / LIU XINGLONG (author) / LU CHAO (author) / LUO YAN (author) / LAI ZHENQUAN (author)
2021-11-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Valorization of calcined coal gangue as coarse aggregate in concrete
| Elsevier | 2021
Silica fume modified full-coal gangue coarse aggregate concrete and preparation method thereof
| European Patent Office | 2024
Evaluation of HMA with Coal Gangue Coarse Aggregate
| Trans Tech Publications | 2011