A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Modified calcium oxide expansion agent for cement concrete
The invention provides a modified calcium oxide expansion agent for cement concrete and a preparation method of the modified calcium oxide expansion agent. The modified calcium oxide expansion agent for the cement concrete has the specific surface area of 100-600m<2>/kg and is prepared from long-chain fatty acid and a calcium oxide expansion agent, wherein the surface of the calcium oxide expansion agent is coated with the long-chain fatty acid, and the mass ratio of the calcium oxide expansion agent to the long-chain fatty acid is (90: 10) to (999: 1). According to the modified calcium oxide expansion agent for the cement concrete, the humidity resistance is improved, the hydration of a plastic stage of the cement concrete is reduced, the hardened expansion quantity of the concrete is increased, and the concrete cracking resistance of the calcium oxide expansion agent can be improved.
Modified calcium oxide expansion agent for cement concrete
The invention provides a modified calcium oxide expansion agent for cement concrete and a preparation method of the modified calcium oxide expansion agent. The modified calcium oxide expansion agent for the cement concrete has the specific surface area of 100-600m<2>/kg and is prepared from long-chain fatty acid and a calcium oxide expansion agent, wherein the surface of the calcium oxide expansion agent is coated with the long-chain fatty acid, and the mass ratio of the calcium oxide expansion agent to the long-chain fatty acid is (90: 10) to (999: 1). According to the modified calcium oxide expansion agent for the cement concrete, the humidity resistance is improved, the hydration of a plastic stage of the cement concrete is reduced, the hardened expansion quantity of the concrete is increased, and the concrete cracking resistance of the calcium oxide expansion agent can be improved.
Modified calcium oxide expansion agent for cement concrete
2015-06-10
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2015
| European Patent Office | 2015
| European Patent Office | 2015
Modified calcium oxide cement concrete expansion agent and preparation method thereof
| European Patent Office | 2015
Modified calcium oxide expansive agent used for cement concrete and preparation method thereof
| European Patent Office | 2015