Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Low-carbon anti-crack self-repairing mass concrete and preparation method thereof
The invention discloses a low-carbon anti-cracking self-repairing mass concrete and a preparation method thereof, the mass concrete comprises the following components in parts by mass: 340-440 parts of an active rubber material, 60-100 parts of other rubber materials, 680-750 parts of fine aggregate, 1030-1100 parts of coarse aggregate, 155-165 parts of water, and 7-11 parts of a high-performance additive; wherein the active rubber material is a mixture of cement, fly ash and mineral powder; the other rubber material is a mixture of granite saw mud and treated regenerated micro powder; the fine aggregate is a mixture of sand and internal curing fine aggregate; the coarse aggregate is a mixture of macadam and mineralized self-repairing phase change coarse aggregate; the high-performance admixture is a composite admixture and is a mixture of high-performance polycarboxylic acid water reducer powder, a hydration heat inhibitor and a shrinkage reducing agent. The low-carbon anti-cracking self-repairing mass concrete provided by the invention has the advantages of excellent strength, small shrinkage, excellent anti-cracking and anti-seepage performance, crack self-repairing function and the like, and the service performance of the mass concrete can be effectively improved; meanwhile, the preparation method is simple in process and suitable for popularization and application.
本发明公开了一种低碳抗裂自修复大体积混凝土及其制备方法，该大体积混凝土按质量份数计，包括以下组分：活性胶材340～440份，其他胶材60～100份，细集料680～750份，粗集料1030～1100份，水155～165份，高性能外加剂7～11份；其中活性胶材为水泥，粉煤灰和矿粉的混合；其他胶材为花岗岩锯泥与处理后再生微粉的混合；细集料为砂与内养护细集料的混合；粗集料为碎石和矿化自修复相变粗集料的混合；高性能外加剂是复合型外加剂，为高性能聚羧酸减水剂粉剂、水化热抑制剂和减缩剂的混合。本发明提供的低碳抗裂自修复大体积混凝土具有强度优良、收缩小、抗裂抗渗性能优异、具备裂纹自修复功能等优点，可有效提升大体积混凝土服役性能；同时该制备方法工艺简单，适合推广应用。
Low-carbon anti-crack self-repairing mass concrete and preparation method thereof
The invention discloses a low-carbon anti-cracking self-repairing mass concrete and a preparation method thereof, the mass concrete comprises the following components in parts by mass: 340-440 parts of an active rubber material, 60-100 parts of other rubber materials, 680-750 parts of fine aggregate, 1030-1100 parts of coarse aggregate, 155-165 parts of water, and 7-11 parts of a high-performance additive; wherein the active rubber material is a mixture of cement, fly ash and mineral powder; the other rubber material is a mixture of granite saw mud and treated regenerated micro powder; the fine aggregate is a mixture of sand and internal curing fine aggregate; the coarse aggregate is a mixture of macadam and mineralized self-repairing phase change coarse aggregate; the high-performance admixture is a composite admixture and is a mixture of high-performance polycarboxylic acid water reducer powder, a hydration heat inhibitor and a shrinkage reducing agent. The low-carbon anti-cracking self-repairing mass concrete provided by the invention has the advantages of excellent strength, small shrinkage, excellent anti-cracking and anti-seepage performance, crack self-repairing function and the like, and the service performance of the mass concrete can be effectively improved; meanwhile, the preparation method is simple in process and suitable for popularization and application.
本发明公开了一种低碳抗裂自修复大体积混凝土及其制备方法，该大体积混凝土按质量份数计，包括以下组分：活性胶材340～440份，其他胶材60～100份，细集料680～750份，粗集料1030～1100份，水155～165份，高性能外加剂7～11份；其中活性胶材为水泥，粉煤灰和矿粉的混合；其他胶材为花岗岩锯泥与处理后再生微粉的混合；细集料为砂与内养护细集料的混合；粗集料为碎石和矿化自修复相变粗集料的混合；高性能外加剂是复合型外加剂，为高性能聚羧酸减水剂粉剂、水化热抑制剂和减缩剂的混合。本发明提供的低碳抗裂自修复大体积混凝土具有强度优良、收缩小、抗裂抗渗性能优异、具备裂纹自修复功能等优点，可有效提升大体积混凝土服役性能；同时该制备方法工艺简单，适合推广应用。
Low-carbon anti-crack self-repairing mass concrete and preparation method thereof
一种低碳抗裂自修复大体积混凝土及其制备方法
HUANG CAN (Autor:in) / ZHAO RIXU (Autor:in) / XIONG LONG (Autor:in) / WANG SHU (Autor:in) / ZHOU BORU (Autor:in) / BAO MING (Autor:in) / YU KUN (Autor:in) / LIU YANQI (Autor:in) / DONG JISHU (Autor:in)
02.04.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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