A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Alkali slag recycled aggregate concrete and preparation method thereof
The invention provides alkali slag recycled aggregate concrete and a preparation method thereof. The alkali slag recycled aggregate concrete comprises the following components in percentage by weight: 27.6%-32.4% of recycled aggregate, 18.4%-21.6% of slag, 13.8%-16.2% of natural sand, 2.8%-3.7% of fly ash, 3.5%-7.2% of lime, 0.5%-2% of sodium carbonate, 18.5%-23.6% of water, 0.3%-1.5% of a polycarboxylate superplasticizer and 3.4%-5.2% of an alunite expanding agent. According to the alkali slag recycled aggregate concrete and the preparation method thereof, the recycled aggregate, the alkali slag, the natural sand, the fly ash, the lime, the sodium carbonate, the water, the polycarboxylate superplasticizer and the alunite expanding agent are used as main components and are mixed twice, and the concrete is manufactured and formed through a pressure forming method. The obtained product has better elastic deformation resistance, has higher fracture resistance and compressive strength, meets the use requirements of engineering, and can be used instead of common concrete.
本发明提供了一种碱矿渣再生骨料混凝土及其制备方法，包括以下组成成分及百分比含量：再生骨料27.6％～32.4％、矿渣18.4％～21.6％、天然砂13.8％～16.2％、粉煤灰2.8％～3.7％、石灰3.5％～7.2％、碳酸钠0.5％～2％、水18.5％～23.6％、聚羧酸盐系高效减水剂0.3％～1.5％、明矾石膨胀剂3.4％～5.2％。本发明提供的一种碱矿渣再生骨料混凝土及其制备方法，以再生骨料、碱矿渣、天然砂、粉煤灰、石灰、碳酸钠、水、聚羧酸盐系高效减水剂、明矾石膨胀剂为主要成分，进行两次混合，通过压力成型法制作成型，所得产品具有较好的抵抗弹性变形的能力，具有较高的抗折、抗压强度，满足了工程的使用需求，可以取代普通混凝土进行使用。
Alkali slag recycled aggregate concrete and preparation method thereof
The invention provides alkali slag recycled aggregate concrete and a preparation method thereof. The alkali slag recycled aggregate concrete comprises the following components in percentage by weight: 27.6%-32.4% of recycled aggregate, 18.4%-21.6% of slag, 13.8%-16.2% of natural sand, 2.8%-3.7% of fly ash, 3.5%-7.2% of lime, 0.5%-2% of sodium carbonate, 18.5%-23.6% of water, 0.3%-1.5% of a polycarboxylate superplasticizer and 3.4%-5.2% of an alunite expanding agent. According to the alkali slag recycled aggregate concrete and the preparation method thereof, the recycled aggregate, the alkali slag, the natural sand, the fly ash, the lime, the sodium carbonate, the water, the polycarboxylate superplasticizer and the alunite expanding agent are used as main components and are mixed twice, and the concrete is manufactured and formed through a pressure forming method. The obtained product has better elastic deformation resistance, has higher fracture resistance and compressive strength, meets the use requirements of engineering, and can be used instead of common concrete.
本发明提供了一种碱矿渣再生骨料混凝土及其制备方法，包括以下组成成分及百分比含量：再生骨料27.6％～32.4％、矿渣18.4％～21.6％、天然砂13.8％～16.2％、粉煤灰2.8％～3.7％、石灰3.5％～7.2％、碳酸钠0.5％～2％、水18.5％～23.6％、聚羧酸盐系高效减水剂0.3％～1.5％、明矾石膨胀剂3.4％～5.2％。本发明提供的一种碱矿渣再生骨料混凝土及其制备方法，以再生骨料、碱矿渣、天然砂、粉煤灰、石灰、碳酸钠、水、聚羧酸盐系高效减水剂、明矾石膨胀剂为主要成分，进行两次混合，通过压力成型法制作成型，所得产品具有较好的抵抗弹性变形的能力，具有较高的抗折、抗压强度，满足了工程的使用需求，可以取代普通混凝土进行使用。
Alkali slag recycled aggregate concrete and preparation method thereof
一种碱矿渣再生骨料混凝土及其制备方法
YANG RUI (author) / QI WEIZHENG (author) / KIM JI HO (author) / YANG BO (author)
2023-04-04
Patent
Electronic Resource
Chinese
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