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Preparation method of commercial concrete waste slurry-based thickening pasty admixture
The invention discloses a preparation method of a commercial concrete waste slurry based thickening pasty admixture. The commercial concrete waste slurry-based thickening pasty admixture disclosed by the invention is prepared by taking concrete waste slurry and two solid wastes as precursors. When 20-30 kg/m < 3 > (dry mass) of the commercial concrete waste slurry-based thickening slurry admixture prepared by the invention is added into fly ash and slag double-doped commercial concrete, the concrete has good working performance, does not bleed and segregate, can promote the development of the early strength of the concrete, and also can improve the later 28d strength of the concrete. Besides, the prepared commercial concrete waste slurry based thickening type slurry admixture can replace cement with the same weight, the use amount of the fly ash or the mineral powder is reduced by 10-20 kg/m < 3 >, the concrete preparation cost is effectively reduced, and the additional value and the resource utilization rate of the commercial concrete waste slurry are improved.
本发明公开了一种商品混凝土废浆基增稠型浆状掺合料的制备方法。本发明的商品混凝土废浆基增稠型浆状掺合料采用混凝土废浆及两种固体废弃物作为前驱体制备而成。当在粉煤灰矿渣双掺的商品混凝土中加入20‑30kg/m3(干质量)本发明制得的商品混凝土废浆基增稠型浆状掺合料，混凝土具有良好的工作性能，其不泌水、不离析，同时可以对混凝土早期强度的发展起到促进作用，且对混凝土后期28d强度也有所提升。此外，本发明制得的商品混凝土废浆基增稠型浆状掺合料，可取代同等重量的水泥，并降低粉煤灰或矿粉用量10‑20kg/m3，有效降低了混凝土制备成本，并提高了商品混凝土废浆的附加值和资源化利用率。
Preparation method of commercial concrete waste slurry-based thickening pasty admixture
The invention discloses a preparation method of a commercial concrete waste slurry based thickening pasty admixture. The commercial concrete waste slurry-based thickening pasty admixture disclosed by the invention is prepared by taking concrete waste slurry and two solid wastes as precursors. When 20-30 kg/m < 3 > (dry mass) of the commercial concrete waste slurry-based thickening slurry admixture prepared by the invention is added into fly ash and slag double-doped commercial concrete, the concrete has good working performance, does not bleed and segregate, can promote the development of the early strength of the concrete, and also can improve the later 28d strength of the concrete. Besides, the prepared commercial concrete waste slurry based thickening type slurry admixture can replace cement with the same weight, the use amount of the fly ash or the mineral powder is reduced by 10-20 kg/m < 3 >, the concrete preparation cost is effectively reduced, and the additional value and the resource utilization rate of the commercial concrete waste slurry are improved.
本发明公开了一种商品混凝土废浆基增稠型浆状掺合料的制备方法。本发明的商品混凝土废浆基增稠型浆状掺合料采用混凝土废浆及两种固体废弃物作为前驱体制备而成。当在粉煤灰矿渣双掺的商品混凝土中加入20‑30kg/m3(干质量)本发明制得的商品混凝土废浆基增稠型浆状掺合料，混凝土具有良好的工作性能，其不泌水、不离析，同时可以对混凝土早期强度的发展起到促进作用，且对混凝土后期28d强度也有所提升。此外，本发明制得的商品混凝土废浆基增稠型浆状掺合料，可取代同等重量的水泥，并降低粉煤灰或矿粉用量10‑20kg/m3，有效降低了混凝土制备成本，并提高了商品混凝土废浆的附加值和资源化利用率。
Preparation method of commercial concrete waste slurry-based thickening pasty admixture
一种商品混凝土废浆基增稠型浆状掺合料的制备方法
TAN HONGBO (author) / YANG ZHUOWEN (author) / DENG XIUFENG (author) / JIAN SHOUWEI (author) / HUANG JIAN (author) / LYU YANG (author) / LEE SANG-KOOK (author)
2023-09-19
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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