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A platform for research: civil engineering, architecture and urbanism
Full-recycled aggregate concrete and preparation method thereof
The invention provides a fully recycled aggregate concrete, which is prepared from the following components in parts by weight: 200 to 350 parts of cement, 80 to 100 parts of coal ash, 40 to 100 parts of slag powder, 800 to 1000 parts of recycled fine aggregate, 200 to 400 parts of recycled coarse aggregate 1, 500 to 600 parts of recycled coarse aggregate 2 and 30 to 50 parts of concrete admixture, the ratio of the recycled fine aggregate property to the recycled coarse aggregate property 1 to the recycled coarse aggregate property 2 is 1: (0.80-1.0), the ratio of the recycled coarse aggregate property 1 to the recycled coarse aggregate property 2 is 1: (1.5-2.1), the fineness modulus of the recycled fine aggregate is 2.3-3.0, the particle size of the recycled fine aggregate 1 is 5mm-10mm, the particle size of the recycled coarse aggregate property 2 is 10mm-25mm, the admixture is a polycarboxylate superplasticizer, the water-reducing rate of the admixture is not less than 27%, and the water-reducing rate of the admixture is not less than 27%. The working performance and the durability of the concrete are favorably improved.
本发明提供一种全再生骨料的混凝土，所述混凝土包括以下重量份的组分：水泥为200‑350份，粉煤灰为80‑100份，矿渣粉为40‑100份，再生细骨料为800‑1000份，再生粗骨料1为200‑400份，再生粗骨料2为500‑600份，混凝土外加剂为30‑50份，其中，再生细骨料性：(再生粗骨料性1+再生粗骨料性2)为1：(0.80‑1.0)，再生粗骨料性1：再生粗骨料性2为1：(1.5‑2.1)，再生细骨料细度模数为2.3‑3.0，再生细骨料1的颗粒粒径为5mm‑10mm，再生粗骨料性2颗粒粒径为10mm‑25mm，外加剂为聚羧酸减水剂并且其减水率不小于27％，有利于提升高混凝土的工作性能和耐久性能。
Full-recycled aggregate concrete and preparation method thereof
The invention provides a fully recycled aggregate concrete, which is prepared from the following components in parts by weight: 200 to 350 parts of cement, 80 to 100 parts of coal ash, 40 to 100 parts of slag powder, 800 to 1000 parts of recycled fine aggregate, 200 to 400 parts of recycled coarse aggregate 1, 500 to 600 parts of recycled coarse aggregate 2 and 30 to 50 parts of concrete admixture, the ratio of the recycled fine aggregate property to the recycled coarse aggregate property 1 to the recycled coarse aggregate property 2 is 1: (0.80-1.0), the ratio of the recycled coarse aggregate property 1 to the recycled coarse aggregate property 2 is 1: (1.5-2.1), the fineness modulus of the recycled fine aggregate is 2.3-3.0, the particle size of the recycled fine aggregate 1 is 5mm-10mm, the particle size of the recycled coarse aggregate property 2 is 10mm-25mm, the admixture is a polycarboxylate superplasticizer, the water-reducing rate of the admixture is not less than 27%, and the water-reducing rate of the admixture is not less than 27%. The working performance and the durability of the concrete are favorably improved.
本发明提供一种全再生骨料的混凝土，所述混凝土包括以下重量份的组分：水泥为200‑350份，粉煤灰为80‑100份，矿渣粉为40‑100份，再生细骨料为800‑1000份，再生粗骨料1为200‑400份，再生粗骨料2为500‑600份，混凝土外加剂为30‑50份，其中，再生细骨料性：(再生粗骨料性1+再生粗骨料性2)为1：(0.80‑1.0)，再生粗骨料性1：再生粗骨料性2为1：(1.5‑2.1)，再生细骨料细度模数为2.3‑3.0，再生细骨料1的颗粒粒径为5mm‑10mm，再生粗骨料性2颗粒粒径为10mm‑25mm，外加剂为聚羧酸减水剂并且其减水率不小于27％，有利于提升高混凝土的工作性能和耐久性能。
Full-recycled aggregate concrete and preparation method thereof
全再生骨料的混凝土以及制备方法
SHAO PINRONG (author) / WANG YING (author) / SHAO ZISHAN (author) / ZHENG BING (author) / LI HE (author) / HE GUIHAI (author) / SHAO ZIFU (author) / HUANG QILIN (author)
2022-03-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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