Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of concrete with spontaneous combustion coal gangue powder and phosphorus slag powder as auxiliary cementing materials
The invention discloses a preparation method of concrete with natural coal gangue powder and phosphorus slag powder as auxiliary cementing materials, and belongs to the technical field of concrete.The concrete is prepared from cement, spontaneous combustion coal gangue powder, phosphorus slag powder, silica fume, water, river sand and a polycarboxylate superplasticizer. The preparation method comprises the following steps: firstly, uniformly dry-stirring the cement, the spontaneous combustion coal gangue powder, the phosphorus slag powder and the silica fume, then adding the river sand, continuously dry-stirring, finally adding the water and the polycarboxylic acid water reducer, continuously stirring, and thus obtaining the concrete. After stirring is completed, curing is conducted under the standard curing condition till demolding is conducted, and the ultra-high performance concrete with the spontaneous combustion coal gangue powder and the phosphorus slag powder as the auxiliary cementing materials is obtained. According to the invention, the production cost and CO2 emission are respectively reduced to 5500 CNY/m < 3 > and 350 Kg/m < 3 > or less, and low cost and environmental protection are realized while excellent working performance, mechanical property and durability are achieved.
本发明公开了一种自然煤矸石粉与磷渣粉为辅助胶凝材料混凝土的制备方法，属于混凝土技术领域，包括以下原料：水泥、自燃煤矸石粉、磷渣粉、硅灰、水、河沙和聚羧酸减水剂。其制备方法包括以下步骤：先将所述水泥、自燃煤矸石粉、磷渣粉、硅灰干搅拌均匀，而后加入河沙继续干搅拌，最后加入水和聚羧酸减水剂继续搅拌，搅拌完成在标准养护条件下养护至脱模即得到所述自燃煤矸石粉和磷渣粉作为辅助胶凝材料的超高性能混凝土。本发明的生产成本及CO2排放量分别降至5500CNY/m3及350Kg/m3以下，具有优异的工作性能、力学性能及耐久性能的同时，实现了低成本、绿色环保。
Preparation method of concrete with spontaneous combustion coal gangue powder and phosphorus slag powder as auxiliary cementing materials
The invention discloses a preparation method of concrete with natural coal gangue powder and phosphorus slag powder as auxiliary cementing materials, and belongs to the technical field of concrete.The concrete is prepared from cement, spontaneous combustion coal gangue powder, phosphorus slag powder, silica fume, water, river sand and a polycarboxylate superplasticizer. The preparation method comprises the following steps: firstly, uniformly dry-stirring the cement, the spontaneous combustion coal gangue powder, the phosphorus slag powder and the silica fume, then adding the river sand, continuously dry-stirring, finally adding the water and the polycarboxylic acid water reducer, continuously stirring, and thus obtaining the concrete. After stirring is completed, curing is conducted under the standard curing condition till demolding is conducted, and the ultra-high performance concrete with the spontaneous combustion coal gangue powder and the phosphorus slag powder as the auxiliary cementing materials is obtained. According to the invention, the production cost and CO2 emission are respectively reduced to 5500 CNY/m < 3 > and 350 Kg/m < 3 > or less, and low cost and environmental protection are realized while excellent working performance, mechanical property and durability are achieved.
本发明公开了一种自然煤矸石粉与磷渣粉为辅助胶凝材料混凝土的制备方法，属于混凝土技术领域，包括以下原料：水泥、自燃煤矸石粉、磷渣粉、硅灰、水、河沙和聚羧酸减水剂。其制备方法包括以下步骤：先将所述水泥、自燃煤矸石粉、磷渣粉、硅灰干搅拌均匀，而后加入河沙继续干搅拌，最后加入水和聚羧酸减水剂继续搅拌，搅拌完成在标准养护条件下养护至脱模即得到所述自燃煤矸石粉和磷渣粉作为辅助胶凝材料的超高性能混凝土。本发明的生产成本及CO2排放量分别降至5500CNY/m3及350Kg/m3以下，具有优异的工作性能、力学性能及耐久性能的同时，实现了低成本、绿色环保。
Preparation method of concrete with spontaneous combustion coal gangue powder and phosphorus slag powder as auxiliary cementing materials
自燃煤矸石粉与磷渣粉为辅助胶凝材料混凝土的制备方法
ZHANG YANNIAN (Autor:in) / WU QI (Autor:in) / WANG QINGJIE (Autor:in) / ZHANG LIN (Autor:in) / SHANG YUNZHI (Autor:in)
27.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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