A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Polymer-modified nickel slag sand anti-cracking dry-mixed mortar
The invention provides a polymer-modified nickel slag sand anti-cracking dry-mixed mortar. The mortar comprises the following raw materials in parts by weight: 462 to 693 parts of river sand, 77-308 parts of nickel slag sand, 200 to 300 parts of cement, 3-10 parts of a water reducing agent and 150 to 200 parts of water, wherein the use amount of the nickel slag sand does not exceed 40% of the total mass of the river sand and the nickel slag sand, and the nickel slag sand is obtained by treating crude nickel slag sand with an alkali activator at first and with a styrene-acrylic polymer next. According to a scheme in the invention, a method for preparing the dry-mixed mortar by adopting the nickel slag-containing sand as micro-active fine aggregate to replace a part of natural river sand isprovided, so environmental pollution caused by nickel slag is reduced, the use of the natural river sand is reduced, and cost is lowered.
本发明聚合物改性的镍渣砂抗裂干混砂浆，其原料组成包括，以重量分数计：河砂，462‑693重量份；镍渣砂，77‑308重量份；水泥，200‑300重量份；减水剂，3‑10重量份；水，150‑200重量份；其中，镍渣砂的用量不超过河砂与镍渣砂总质量的40％，且镍渣砂为镍渣砂原砂先后经碱激发剂处理和苯丙聚合物处理后获得。本发明方案提供一种采用含有镍渣砂作为微活性细骨料取代部分天然河砂制备干混砂浆的方法，减少镍渣对环境污染，减小天然河砂的使用，降低成本。
Polymer-modified nickel slag sand anti-cracking dry-mixed mortar
The invention provides a polymer-modified nickel slag sand anti-cracking dry-mixed mortar. The mortar comprises the following raw materials in parts by weight: 462 to 693 parts of river sand, 77-308 parts of nickel slag sand, 200 to 300 parts of cement, 3-10 parts of a water reducing agent and 150 to 200 parts of water, wherein the use amount of the nickel slag sand does not exceed 40% of the total mass of the river sand and the nickel slag sand, and the nickel slag sand is obtained by treating crude nickel slag sand with an alkali activator at first and with a styrene-acrylic polymer next. According to a scheme in the invention, a method for preparing the dry-mixed mortar by adopting the nickel slag-containing sand as micro-active fine aggregate to replace a part of natural river sand isprovided, so environmental pollution caused by nickel slag is reduced, the use of the natural river sand is reduced, and cost is lowered.
本发明聚合物改性的镍渣砂抗裂干混砂浆，其原料组成包括，以重量分数计：河砂，462‑693重量份；镍渣砂，77‑308重量份；水泥，200‑300重量份；减水剂，3‑10重量份；水，150‑200重量份；其中，镍渣砂的用量不超过河砂与镍渣砂总质量的40％，且镍渣砂为镍渣砂原砂先后经碱激发剂处理和苯丙聚合物处理后获得。本发明方案提供一种采用含有镍渣砂作为微活性细骨料取代部分天然河砂制备干混砂浆的方法，减少镍渣对环境污染，减小天然河砂的使用，降低成本。
Polymer-modified nickel slag sand anti-cracking dry-mixed mortar
聚合物改性的镍渣砂抗裂干混砂浆
JIANG FEIFEI (author) / LI DAWANG (author) / MA JIAN (author) / HUO YIFEI (author) / XU CHUNYU (author) / KONG FEN (author) / BIAN LIANG (author)
2020-07-03
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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