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A platform for research: civil engineering, architecture and urbanism
Cement replacement mixture
The invention relates to a volcanic ash mixture comprising 5% to 80% of a magnesium-iron solid solution silicate; from 5% to 80% of MgCOs * X H2O, wherein X = 0 to 10; and 2% to 30% of active silica; and having a free water content of at most 10%, based on the total weight of the mixture. The invention further relates to a method of making a cement slurry with a pozzolan mixture, comprising the steps of: (i) reacting a magnesium-iron solid solution silicate with an acid and adding any additional magnesium-iron solid solution silicate to the reaction product to produce a pozzolan mixture, the volcanic ash mixture comprises 5% to 80% of magnesium-iron solid solution silicate; from 5% to 80% of MgCOs * X H2O, wherein X = 0 to 10; 2% to 30% of active silica; (ii) adding the product of step (i) to a slurry of cementitious material and water, the ratio of cementitious material to the pozzolanic mixture being from 1: 1.5 to 10: 1.
本发明涉及一种火山灰混合物，包括5％至80％的镁‑铁固溶体硅酸盐；5％至80％的MgCOs·X H2O，其中X＝0‑10；以及2％至30％的活性二氧化硅；且具有按混合物的总重量计至多10％的游离水含量。本发明进一步涉及一种用火山灰混合物制造水泥浆的方法，包括以下步骤：(i)使镁‑铁固溶体硅酸盐与酸反应并将任何额外的镁‑铁固溶体硅酸盐添加到反应产物中以产生火山灰混合物，所述火山灰混合物包括5％至80％的镁‑铁固溶体硅酸盐；5％至80％的MgCOs·X H2O，其中X＝0‑10；2％至30％的活性二氧化硅；(ii)将步骤(i)的产物添加到胶凝材料和水的浆料中，胶凝材料与所述火山灰混合物的比率为1:1.5至10:1。
Cement replacement mixture
The invention relates to a volcanic ash mixture comprising 5% to 80% of a magnesium-iron solid solution silicate; from 5% to 80% of MgCOs * X H2O, wherein X = 0 to 10; and 2% to 30% of active silica; and having a free water content of at most 10%, based on the total weight of the mixture. The invention further relates to a method of making a cement slurry with a pozzolan mixture, comprising the steps of: (i) reacting a magnesium-iron solid solution silicate with an acid and adding any additional magnesium-iron solid solution silicate to the reaction product to produce a pozzolan mixture, the volcanic ash mixture comprises 5% to 80% of magnesium-iron solid solution silicate; from 5% to 80% of MgCOs * X H2O, wherein X = 0 to 10; 2% to 30% of active silica; (ii) adding the product of step (i) to a slurry of cementitious material and water, the ratio of cementitious material to the pozzolanic mixture being from 1: 1.5 to 10: 1.
本发明涉及一种火山灰混合物，包括5％至80％的镁‑铁固溶体硅酸盐；5％至80％的MgCOs·X H2O，其中X＝0‑10；以及2％至30％的活性二氧化硅；且具有按混合物的总重量计至多10％的游离水含量。本发明进一步涉及一种用火山灰混合物制造水泥浆的方法，包括以下步骤：(i)使镁‑铁固溶体硅酸盐与酸反应并将任何额外的镁‑铁固溶体硅酸盐添加到反应产物中以产生火山灰混合物，所述火山灰混合物包括5％至80％的镁‑铁固溶体硅酸盐；5％至80％的MgCOs·X H2O，其中X＝0‑10；2％至30％的活性二氧化硅；(ii)将步骤(i)的产物添加到胶凝材料和水的浆料中，胶凝材料与所述火山灰混合物的比率为1:1.5至10:1。
Cement replacement mixture
水泥替代混合物
CLAUSEN GEIR ANGELIC (author) / TEM AIVIND (author)
2024-08-20
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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