Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Efficient composite concrete admixture
The invention discloses an efficient composite concrete admixture which is prepared from the following raw materials in parts by weight: 20 to 25 parts of naphthalene sulfonate formaldehyde condensate, 12 to 15 parts of sulfonated ketoaldehyde condensate, 8 to 10 parts of polyacrylate, 25 to 30 parts of aliphatic water reducing agent, 5 to 8 parts of air adding agent, 4 to 6 parts of air entraining agent, 1 to 5 parts of waterproof agent, 3 to 6 parts of calcium sulphoaluminate expanding agent, 3 to 6 parts of composite retarder, 4 to 7 parts of early strength agent, 6 to 9 parts of pumping agent and 2 to 3 parts of synthetic latex. According to the high-efficiency composite concrete admixture, the air adding agent and the air entraining agent are doped, so that the workability, the water-retaining property and the cohesiveness of concrete are improved; with the aliphatic water reducer doped, the water-reducing rate is increased, and the cement consumption is reduced; the waterproof agent, the calcium sulphoaluminate expanding agent and the composite retarder are doped, so that the strength and the hardening performance of the concrete are improved; and with the pumping agent doped, the viscosity of the concrete is increased, so that the concrete does not crack or fall off, and the plasticity of the concrete is improved.
本发明公开了一种高效复合型混凝土外加剂，包括以下重量份的原料：萘磺酸盐甲醛缩合物20～25份、磺化酮醛缩聚物12～15份、聚丙烯酸盐8～10份、脂肪族减水剂25～30份、加气剂5～8份、引气剂4～6份、防水剂1～5份、硫铝酸钙膨胀剂3～6份、复合缓凝剂3～6份、早强剂4～7份、泵送剂6～9份、合成乳胶2～3份。该高效复合型混凝土外加剂，通过掺入引气剂和加气剂改善混凝土的和易性、保水性和粘聚性；通过掺入脂肪族减水剂提高减水率，节省水泥用量；通过掺入防水剂、硫铝酸钙膨胀剂以及复合缓凝剂提高混凝土的强度和硬化性能；通过掺入泵送剂增大混凝土的粘度，使得混凝土不开裂不脱落，提高混凝土的可塑性。
Efficient composite concrete admixture
The invention discloses an efficient composite concrete admixture which is prepared from the following raw materials in parts by weight: 20 to 25 parts of naphthalene sulfonate formaldehyde condensate, 12 to 15 parts of sulfonated ketoaldehyde condensate, 8 to 10 parts of polyacrylate, 25 to 30 parts of aliphatic water reducing agent, 5 to 8 parts of air adding agent, 4 to 6 parts of air entraining agent, 1 to 5 parts of waterproof agent, 3 to 6 parts of calcium sulphoaluminate expanding agent, 3 to 6 parts of composite retarder, 4 to 7 parts of early strength agent, 6 to 9 parts of pumping agent and 2 to 3 parts of synthetic latex. According to the high-efficiency composite concrete admixture, the air adding agent and the air entraining agent are doped, so that the workability, the water-retaining property and the cohesiveness of concrete are improved; with the aliphatic water reducer doped, the water-reducing rate is increased, and the cement consumption is reduced; the waterproof agent, the calcium sulphoaluminate expanding agent and the composite retarder are doped, so that the strength and the hardening performance of the concrete are improved; and with the pumping agent doped, the viscosity of the concrete is increased, so that the concrete does not crack or fall off, and the plasticity of the concrete is improved.
本发明公开了一种高效复合型混凝土外加剂，包括以下重量份的原料：萘磺酸盐甲醛缩合物20～25份、磺化酮醛缩聚物12～15份、聚丙烯酸盐8～10份、脂肪族减水剂25～30份、加气剂5～8份、引气剂4～6份、防水剂1～5份、硫铝酸钙膨胀剂3～6份、复合缓凝剂3～6份、早强剂4～7份、泵送剂6～9份、合成乳胶2～3份。该高效复合型混凝土外加剂，通过掺入引气剂和加气剂改善混凝土的和易性、保水性和粘聚性；通过掺入脂肪族减水剂提高减水率，节省水泥用量；通过掺入防水剂、硫铝酸钙膨胀剂以及复合缓凝剂提高混凝土的强度和硬化性能；通过掺入泵送剂增大混凝土的粘度，使得混凝土不开裂不脱落，提高混凝土的可塑性。
Efficient composite concrete admixture
一种高效复合型混凝土外加剂
MENG JIANWEI (Autor:in) / LYU MINGYU (Autor:in) / ZHANG DAOQUAN (Autor:in)
18.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Efficient concrete composite admixture and preparation method thereof
| Europäisches Patentamt | 2021