Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modified calcium oxide expansive agent used for cement concrete and preparation method thereof
The invention provides a modified calcium oxide expansive agent used for cement concrete and a preparation method thereof. The specific surface area of the modified calcium oxide expansive agent used for cement concrete is 100-600m<2>/kg and is prepared by coating a calcium oxide expanding clinker with redispersible latex powder, wherein the redispersible latex powder accounts for 0.1-10% of the total modified calcium oxide expansive agent used for cement concrete by mass. The modified calcium oxide expansive agent used for cement concrete has the beneficial effects that the humidity resistance of the modified calcium oxide expansive agent used for cement concrete is improved, invalid hydration at the plastic stage of cement concrete is reduced and the expansion quantity is increased after concrete is hardened, thus improving the concrete cracking resistance of the calcium oxide expansive agent.
Modified calcium oxide expansive agent used for cement concrete and preparation method thereof
The invention provides a modified calcium oxide expansive agent used for cement concrete and a preparation method thereof. The specific surface area of the modified calcium oxide expansive agent used for cement concrete is 100-600m<2>/kg and is prepared by coating a calcium oxide expanding clinker with redispersible latex powder, wherein the redispersible latex powder accounts for 0.1-10% of the total modified calcium oxide expansive agent used for cement concrete by mass. The modified calcium oxide expansive agent used for cement concrete has the beneficial effects that the humidity resistance of the modified calcium oxide expansive agent used for cement concrete is improved, invalid hydration at the plastic stage of cement concrete is reduced and the expansion quantity is increased after concrete is hardened, thus improving the concrete cracking resistance of the calcium oxide expansive agent.
Modified calcium oxide expansive agent used for cement concrete and preparation method thereof
WANG RUI (Autor:in) / LI LEI (Autor:in) / TIAN QIAN (Autor:in) / WANG HONGSONG (Autor:in) / ZHANG SHOUZHI (Autor:in) / CHENG JUN (Autor:in) / WANG YUJIANG (Autor:in)
03.06.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
Modified calcium oxide expansive agent used for cement concrete and preparation method thereof
| Europäisches Patentamt | 2015
Modified calcium oxide expansive agent used for cement concrete and preparation method thereof
| Europäisches Patentamt | 2015
Modified calcium oxide expansive agent used for cement concrete and preparation method thereof
| Europäisches Patentamt | 2015
Modified calcium oxide cement concrete expansion agent and preparation method thereof
| Europäisches Patentamt | 2015
| Europäisches Patentamt | 2015