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A platform for research: civil engineering, architecture and urbanism
Cement concrete early strength agent and early strength and water reduction agent
The invention relates to a cement concrete early strength agent. The cement concrete early strength agent contains nano calcium carbonate and light calcium powder. Preferably, the cement concrete early strength agent further contains calcium formate and one or more kinds of calcium nitrate. The cement concrete early strength agent comprises, by mass, 20-67 parts of nano calcium carbonate, 33-80 parts of light calcium powder, 0-10 parts of calcium formate and 0-10 parts of calcium nitrate. Compared with an existing early strength agent, the cement concrete early strength agent has the most outstanding advantages that no harmful ions are introduced, the use environment is prevented from being polluted, and the cement concrete early strength agent is nontoxic and harmless; in addition, cement concrete early strength can be improved, and the primary solidification time and final solidification time of cement concrete are shortened. The invention further relates to an early strength and water reduction agent containing the cement concrete early strength agent. The early strength and water reduction agent comprises, by mass, 60%-75% of early strength components and 25%-40% of water reducing components. The early strength and water reduction agent has a good early strength function, a good water reduction function and a good strengthening function, the water reduction rate is high, the early strength of concrete can be remarkably improved, and later strength is not affected.
Cement concrete early strength agent and early strength and water reduction agent
The invention relates to a cement concrete early strength agent. The cement concrete early strength agent contains nano calcium carbonate and light calcium powder. Preferably, the cement concrete early strength agent further contains calcium formate and one or more kinds of calcium nitrate. The cement concrete early strength agent comprises, by mass, 20-67 parts of nano calcium carbonate, 33-80 parts of light calcium powder, 0-10 parts of calcium formate and 0-10 parts of calcium nitrate. Compared with an existing early strength agent, the cement concrete early strength agent has the most outstanding advantages that no harmful ions are introduced, the use environment is prevented from being polluted, and the cement concrete early strength agent is nontoxic and harmless; in addition, cement concrete early strength can be improved, and the primary solidification time and final solidification time of cement concrete are shortened. The invention further relates to an early strength and water reduction agent containing the cement concrete early strength agent. The early strength and water reduction agent comprises, by mass, 60%-75% of early strength components and 25%-40% of water reducing components. The early strength and water reduction agent has a good early strength function, a good water reduction function and a good strengthening function, the water reduction rate is high, the early strength of concrete can be remarkably improved, and later strength is not affected.
Cement concrete early strength agent and early strength and water reduction agent
WANG CHONG (author) / LIU JUNCHAO (author) / ZHANG CONG (author) / LI ZONGYANG (author) / YIN DAODAO (author) / BAI GUANG (author) / YU CHAO (author) / ZHANG CHAO (author) / ZHOU YING (author)
2015-09-30
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2024
| European Patent Office | 2017