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A platform for research: civil engineering, architecture and urbanism
Device and method for preparing concrete doped with rice hull ash
The invention relates to the technical field of concrete preparation, in particular to a rice hull ash doped concrete preparation device and method.The rice hull ash doped concrete preparation method comprises the steps that rice hulls are combusted at high temperature to obtain fine rice hull ash, then sand, pebbles and half of water are mixed and stirred to obtain mortar, then an adhesive is added into the mortar to be stirred and mixed for 2-5 min, and the mixture is stirred and mixed for 2-5 min; finally, cement, a grinding aid, the remaining water and the prepared fine rice hull ash are added into the mixture and mixed for 3-5 min, concrete is obtained, the rice hull ash contains active ingredients such as nanoscale SiO2, the active ingredients and a product Ca (OH) 2 obtained after cement is hydrated can be subjected to secondary hydration, hydrated calcium silicate (C-S-H) gel is generated, the fine rice hull ash can optimize the grading structure of the concrete, and therefore the concrete can be used for preparing concrete. And after the rice hull ash is doped, the compressive strength and the splitting tensile strength of the concrete can be improved.
本发明涉及混凝土制备技术领域，具体涉及一种掺加稻壳灰的混凝土制备装置及方法，先将稻壳在高温下燃烧得到细稻壳灰，随后将砂子、石子和一半的水进行混合搅拌得到砂浆，其次将粘合剂加入到砂浆中进行搅拌混合，混合时间为2～5min，最后向上述混合物中加入水泥、助磨剂、剩余的水和制备得到的细稻壳灰拌合3～5min得到混凝土，稻壳灰中含有纳米级SiO2等活性成分，能与水泥水化后的产物Ca(OH)2发生二次水化，生成水化硅酸钙(C‑S‑H)凝胶，且细稻壳灰能够优化混凝土的级配结构，改善混凝土的内部孔隙，掺入稻壳灰后能够提高了混凝土的抗压、劈裂抗拉强度。
Device and method for preparing concrete doped with rice hull ash
The invention relates to the technical field of concrete preparation, in particular to a rice hull ash doped concrete preparation device and method.The rice hull ash doped concrete preparation method comprises the steps that rice hulls are combusted at high temperature to obtain fine rice hull ash, then sand, pebbles and half of water are mixed and stirred to obtain mortar, then an adhesive is added into the mortar to be stirred and mixed for 2-5 min, and the mixture is stirred and mixed for 2-5 min; finally, cement, a grinding aid, the remaining water and the prepared fine rice hull ash are added into the mixture and mixed for 3-5 min, concrete is obtained, the rice hull ash contains active ingredients such as nanoscale SiO2, the active ingredients and a product Ca (OH) 2 obtained after cement is hydrated can be subjected to secondary hydration, hydrated calcium silicate (C-S-H) gel is generated, the fine rice hull ash can optimize the grading structure of the concrete, and therefore the concrete can be used for preparing concrete. And after the rice hull ash is doped, the compressive strength and the splitting tensile strength of the concrete can be improved.
本发明涉及混凝土制备技术领域，具体涉及一种掺加稻壳灰的混凝土制备装置及方法，先将稻壳在高温下燃烧得到细稻壳灰，随后将砂子、石子和一半的水进行混合搅拌得到砂浆，其次将粘合剂加入到砂浆中进行搅拌混合，混合时间为2～5min，最后向上述混合物中加入水泥、助磨剂、剩余的水和制备得到的细稻壳灰拌合3～5min得到混凝土，稻壳灰中含有纳米级SiO2等活性成分，能与水泥水化后的产物Ca(OH)2发生二次水化，生成水化硅酸钙(C‑S‑H)凝胶，且细稻壳灰能够优化混凝土的级配结构，改善混凝土的内部孔隙，掺入稻壳灰后能够提高了混凝土的抗压、劈裂抗拉强度。
Device and method for preparing concrete doped with rice hull ash
一种掺加稻壳灰的混凝土制备装置及方法
ZHAO CHUANXIANG (author) / MIAO YUSHENG (author) / PANG JIANYONG (author) / ZHANG XUEGONG (author) / TANG YISHENG (author) / HUANG YISHOU (author) / YAO WEIJING (author) / LIU TIANYOU (author) / SHEN YANG (author) / HE ZIMING (author)
2023-08-08
Patent
Electronic Resource
Chinese
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