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A platform for research: civil engineering, architecture and urbanism
High-performance joint grouting material and preparation method thereof
The invention discloses a high-performance joint grouting material and a preparation method thereof, and belongs to the technical field of building materials. The high-performance node grouting material is prepared from the following raw materials: cement, fine aggregate, cellulose ether, an expanding agent, hydrophobic modified nano silicon dioxide, mixed reinforced fibers, a water reducing agent and water. During preparation, the hydrophobic modified nano silicon dioxide, the mixed reinforced fibers and the water are mixed preferentially, and then the mixture is added into the remaining mixture. Through reasonable selection and proportioning of the raw materials and optimization of the preparation steps, the prepared high-performance joint grouting material has high compression resistance and breaking strength, low shrinkage rate and high ductility, and can meet the requirements of a combined structure or an assembled concrete structure.
本发明公开了一种高性能节点灌浆材料及其制备方法，属于建筑材料技术领域。所述高性能节点灌浆材料的原料包括：水泥、细集料、纤维素醚、膨胀剂、疏水改性纳米二氧化硅、混合增强纤维、减水剂和水。制备时，优先将疏水改性纳米二氧化硅、混合增强纤维和水混合，再加入到剩余的混合料中。本发明通过原料的合理选择和配比，以及制备步骤上的优化，制备的高性能节点灌浆材料具有高抗压、抗折强度，低收缩率以及高延性，能够满足组合结构或装配式混凝土结构所需。
High-performance joint grouting material and preparation method thereof
The invention discloses a high-performance joint grouting material and a preparation method thereof, and belongs to the technical field of building materials. The high-performance node grouting material is prepared from the following raw materials: cement, fine aggregate, cellulose ether, an expanding agent, hydrophobic modified nano silicon dioxide, mixed reinforced fibers, a water reducing agent and water. During preparation, the hydrophobic modified nano silicon dioxide, the mixed reinforced fibers and the water are mixed preferentially, and then the mixture is added into the remaining mixture. Through reasonable selection and proportioning of the raw materials and optimization of the preparation steps, the prepared high-performance joint grouting material has high compression resistance and breaking strength, low shrinkage rate and high ductility, and can meet the requirements of a combined structure or an assembled concrete structure.
本发明公开了一种高性能节点灌浆材料及其制备方法，属于建筑材料技术领域。所述高性能节点灌浆材料的原料包括：水泥、细集料、纤维素醚、膨胀剂、疏水改性纳米二氧化硅、混合增强纤维、减水剂和水。制备时，优先将疏水改性纳米二氧化硅、混合增强纤维和水混合，再加入到剩余的混合料中。本发明通过原料的合理选择和配比，以及制备步骤上的优化，制备的高性能节点灌浆材料具有高抗压、抗折强度，低收缩率以及高延性，能够满足组合结构或装配式混凝土结构所需。
High-performance joint grouting material and preparation method thereof
一种高性能节点灌浆材料及其制备方法
YU JIANCHAO (author) / YUE JINGFANG (author) / HUANG JIANG (author) / TONG GANG (author) / QIN YONGGANG (author) / LI MENG (author) / GUO TAO (author) / ZHANG RUOMOU (author) / LI HAILIANG (author) / ZHANG YUN (author)
2023-05-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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