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A platform for research: civil engineering, architecture and urbanism
High-strength recycled concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses high-strength recycled concrete, which is prepared from the following raw materials in parts by weight: 100 to 150 parts of modified recycled aggregate, 80 to 95 parts of cement, 4.5 to 9 parts of dihydroxyphenylalanine, 15 to 38 parts of composite mineral aggregate, 1 to 3 parts of water reducing agent, 45 to 65 parts of machine-made sand and 38 to 50 parts of water, the preparation method of the recycled concrete comprises the following steps: uniformly mixing the modified recycled aggregate, the cement, the dihydroxyphenylalanine, the composite mineral aggregate, the water reducing agent, the machine-made sand and the water according to the formula ratio to obtain the recycled concrete. The obtained recycled concrete is compact in internal structure, good in compactness, excellent in mechanical property and high in compressive strength, and the concrete is small in mass loss and long in service life in a salt-freezing environment.
本申请涉及混凝土领域，具体公开了一种高强度的再生混凝土，包括以下重量份的原料：改性再生骨料100‑150份，水泥80‑95份，二羟苯丙氨酸4.5‑9份，复合矿料15‑38份，减水剂1‑3份，机制砂45‑65份，水38‑50份；再生混凝土的制备方法，包括以下步骤：按配方量将改性再生骨料、水泥、二羟苯丙氨酸、复合矿料、减水剂、机制砂和水混合均匀，得到再生混凝土。得到的再生混凝土内部结构紧密，具有良好的密实度，力学性能优异，抗压强度高，在盐‑冻环境下，混凝土的质量损失小，使用寿命长。
High-strength recycled concrete and preparation method thereof
The invention relates to the field of concrete, and particularly discloses high-strength recycled concrete, which is prepared from the following raw materials in parts by weight: 100 to 150 parts of modified recycled aggregate, 80 to 95 parts of cement, 4.5 to 9 parts of dihydroxyphenylalanine, 15 to 38 parts of composite mineral aggregate, 1 to 3 parts of water reducing agent, 45 to 65 parts of machine-made sand and 38 to 50 parts of water, the preparation method of the recycled concrete comprises the following steps: uniformly mixing the modified recycled aggregate, the cement, the dihydroxyphenylalanine, the composite mineral aggregate, the water reducing agent, the machine-made sand and the water according to the formula ratio to obtain the recycled concrete. The obtained recycled concrete is compact in internal structure, good in compactness, excellent in mechanical property and high in compressive strength, and the concrete is small in mass loss and long in service life in a salt-freezing environment.
本申请涉及混凝土领域，具体公开了一种高强度的再生混凝土，包括以下重量份的原料：改性再生骨料100‑150份，水泥80‑95份，二羟苯丙氨酸4.5‑9份，复合矿料15‑38份，减水剂1‑3份，机制砂45‑65份，水38‑50份；再生混凝土的制备方法，包括以下步骤：按配方量将改性再生骨料、水泥、二羟苯丙氨酸、复合矿料、减水剂、机制砂和水混合均匀，得到再生混凝土。得到的再生混凝土内部结构紧密，具有良好的密实度，力学性能优异，抗压强度高，在盐‑冻环境下，混凝土的质量损失小，使用寿命长。
High-strength recycled concrete and preparation method thereof
一种高强度的再生混凝土及其制备方法
HUANG SHENGKE (author) / MO XIANFENG (author) / ZHAO JINSONG (author) / FENG GUOYONG (author) / FENG GUOYI (author)
2023-09-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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