Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a crack-free environment-friendly brick which comprises the following raw materials in parts by weight: 40-50 parts of copper tailings, 25-35 parts of phosphate tailings, 15-25parts of building solid waste broken stones and gravels, 8-12 parts of 425 # ordinary Portland cement, 1-3 parts of a liquid admixture and 1-3 parts of water. The invention further provides a preparation method of the crack-free environment-friendly brick. The two kinds of tailings and the stone powder are stirred, then the cement is added and stirred, the liquid admixture is added and stirred, and pressing can be conducted. The two tailings have the characteristics of fineness and easiness in dispersion after meeting water, so that the maintenance time after compression molding is relativelyprolonged, and the process of soaking and wetting can be carried out. The molded product has no obvious cracks on the surface and is compact in structure, and the appearance meets the production standard. And the compression resistance is 26.7 MP.
本申请公开了一种无裂纹的环保砖，其原料按重量份包括：铜尾矿40‑50份、磷尾矿25‑35份、建筑固废破碎石子及碎石15‑25份、425#普通硅酸盐水泥8‑12份、液态外掺剂1‑3份、水1‑3份。本发明还提出一种无裂纹的环保砖的制备方法。先将两种尾矿和石粉搅拌，再加入水泥搅拌后，加入液态外掺剂搅拌即可压制。两种尾矿特点均为细腻且遇水后容易散解，因此在压制成型后养护时间要相对延长，可进入浸水湿润工序。成型后产品表面无明显裂纹，结构紧密，外观符合生产标准。抗压性能为26.7MP。
The invention discloses a crack-free environment-friendly brick which comprises the following raw materials in parts by weight: 40-50 parts of copper tailings, 25-35 parts of phosphate tailings, 15-25parts of building solid waste broken stones and gravels, 8-12 parts of 425 # ordinary Portland cement, 1-3 parts of a liquid admixture and 1-3 parts of water. The invention further provides a preparation method of the crack-free environment-friendly brick. The two kinds of tailings and the stone powder are stirred, then the cement is added and stirred, the liquid admixture is added and stirred, and pressing can be conducted. The two tailings have the characteristics of fineness and easiness in dispersion after meeting water, so that the maintenance time after compression molding is relativelyprolonged, and the process of soaking and wetting can be carried out. The molded product has no obvious cracks on the surface and is compact in structure, and the appearance meets the production standard. And the compression resistance is 26.7 MP.
本申请公开了一种无裂纹的环保砖，其原料按重量份包括：铜尾矿40‑50份、磷尾矿25‑35份、建筑固废破碎石子及碎石15‑25份、425#普通硅酸盐水泥8‑12份、液态外掺剂1‑3份、水1‑3份。本发明还提出一种无裂纹的环保砖的制备方法。先将两种尾矿和石粉搅拌，再加入水泥搅拌后，加入液态外掺剂搅拌即可压制。两种尾矿特点均为细腻且遇水后容易散解，因此在压制成型后养护时间要相对延长，可进入浸水湿润工序。成型后产品表面无明显裂纹，结构紧密，外观符合生产标准。抗压性能为26.7MP。
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