A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Airtight concrete and preparation method thereof
The invention belongs to the technical field of building materials and chemical building materials, and particularly relates to airtight concrete and a preparation method thereof. The preparation method of the airtight concrete comprises the following steps: 1) mixing a cementing material with fine aggregate, adding a water reducing agent, an airtight agent and water, and stirring at a high speed to obtain stirred mortar; 2) mixing the stirred mortar with surface modified coarse aggregate, and stirring to obtain airtight concrete; the airtight agent is selected from one or more of acrylic emulsion, styrene-acrylic emulsion, rubber powder and redispersible latex powder; a modifier in the surface modified coarse aggregate is a siliceous modified material. According to the airtight concrete prepared by the method, the air tightness is remarkably improved, and meanwhile, the strength is also improved.
本发明属于建筑材料和化学建材技术领域，具体涉及一种气密性混凝土及其制备方法。所述气密性混凝土的制备方法包括如下步骤：1)将胶凝材料与细骨料混合，加入减水剂、气密剂和水，进行高速搅拌，得到搅拌砂浆；2)将所述搅拌砂浆与表面改性粗骨料混合，搅拌，得到气密性混凝土；所述气密剂选自丙烯酸乳液、苯丙乳液、胶粉、可再分散乳胶粉中的一种或几种；所述表面改性粗骨料中的改性剂为硅质改性材料。本发明利用上述方法制得的气密性混凝土气密性显著提高，同时强度也有提升。
Airtight concrete and preparation method thereof
The invention belongs to the technical field of building materials and chemical building materials, and particularly relates to airtight concrete and a preparation method thereof. The preparation method of the airtight concrete comprises the following steps: 1) mixing a cementing material with fine aggregate, adding a water reducing agent, an airtight agent and water, and stirring at a high speed to obtain stirred mortar; 2) mixing the stirred mortar with surface modified coarse aggregate, and stirring to obtain airtight concrete; the airtight agent is selected from one or more of acrylic emulsion, styrene-acrylic emulsion, rubber powder and redispersible latex powder; a modifier in the surface modified coarse aggregate is a siliceous modified material. According to the airtight concrete prepared by the method, the air tightness is remarkably improved, and meanwhile, the strength is also improved.
本发明属于建筑材料和化学建材技术领域，具体涉及一种气密性混凝土及其制备方法。所述气密性混凝土的制备方法包括如下步骤：1)将胶凝材料与细骨料混合，加入减水剂、气密剂和水，进行高速搅拌，得到搅拌砂浆；2)将所述搅拌砂浆与表面改性粗骨料混合，搅拌，得到气密性混凝土；所述气密剂选自丙烯酸乳液、苯丙乳液、胶粉、可再分散乳胶粉中的一种或几种；所述表面改性粗骨料中的改性剂为硅质改性材料。本发明利用上述方法制得的气密性混凝土气密性显著提高，同时强度也有提升。
Airtight concrete and preparation method thereof
一种气密性混凝土及其制备方法
LI YANG (author) / ZHAO YUXIANG (author) / HAN KANG (author) / KANG WANG (author) / ZHANG HAILONG (author)
2024-01-19
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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