Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-strength lightweight ALC (autoclaved lightweight concrete) board and preparation method thereof
The invention provides a high-strength lightweight ALC board and a preparation method thereof, the high-strength lightweight ALC board comprises an outer layer material and an inner layer material, the outer layer material comprises the following raw materials by weight: 35-60 parts of quartz sand, 11-25 parts of cement, 20-45 parts of fly ash, 12-35 parts of gypsum, 3-12 parts of scrap steel powder, 2-5 parts of a complexing agent, and 2.6-8 parts of an anti-cracking agent; the inner layer material comprises the following raw materials in parts by weight: 12-33 parts of coconut shell residues, 1-4 parts of mallotus oblongifolius powder, 2-6 parts of coral sand powder, 8-15 parts of composite fibers and 3-6 parts of an antibacterial agent; the ALC board prepared by the invention has the effects of high strength and light weight, and also has excellent freezing resistance and excellent permeability resistance; wherein the 7d compressive strength is 4.1-4.8 Mpa, the 28d compressive strength is 3.6-4.2 Mpa, the 7d anti-cracking strength is 3612-3780N/m < 2 >, the 28d anti-cracking strength is 3522-3650N/m < 2 >, the dry volume weight is less than or equal to 500Kg/m < 3 >, the mass loss after a freeze-thaw test is 0.7-1.4%, the strength after freezing is kept above 4.0 Mpa, and the high water column descending height is less than 40.0 mm. The performance of the ALC board disclosed by the invention meets the national standard requirements, and the ALC board can be applied to external wall boards and partition boards of buildings, and can be used for building construction. And the development trend of constructing a human conservation-minded society is met.
本发明提供一种高强度轻质ALC板材及其制备方法，包括外层材料和内层材料，所述外层材料以下重量份原料：石英砂35‑60份、水泥11‑25份、粉煤灰20‑45份、石膏12‑35份、废钢粉末3‑12份、复合剂2‑5份、抗裂剂2.6‑8份；所述内层材料包括以下重量份原料：椰壳渣12‑33份、鹧鸪茶粉1‑4份、珊瑚砂粉末2‑6份、复合纤维8‑15份、抗菌剂3‑6份；本发明制得的ALC板材具有高强度轻质的效果，还具有出色的抗冻性和优异的抗渗透性；其中7d抗压强度为4.1‑4.8Mpa，28d抗压强度为3.6‑4.2Mpa，7d抗裂强度为3612‑3780N/m2，28d抗裂强度为3522‑3650N/m2，干容重≤500Kg/m3，冻融测试后质量损失0.7‑1.4％，冻后强度保持在4.0Mpa以上，高水柱下降高度＜40.0mm，本发明的ALC板材其性能均达到国家标准要求，可应用于建筑物外墙板和隔墙板，符合构建人类节约型社会的发展趋势。
High-strength lightweight ALC (autoclaved lightweight concrete) board and preparation method thereof
The invention provides a high-strength lightweight ALC board and a preparation method thereof, the high-strength lightweight ALC board comprises an outer layer material and an inner layer material, the outer layer material comprises the following raw materials by weight: 35-60 parts of quartz sand, 11-25 parts of cement, 20-45 parts of fly ash, 12-35 parts of gypsum, 3-12 parts of scrap steel powder, 2-5 parts of a complexing agent, and 2.6-8 parts of an anti-cracking agent; the inner layer material comprises the following raw materials in parts by weight: 12-33 parts of coconut shell residues, 1-4 parts of mallotus oblongifolius powder, 2-6 parts of coral sand powder, 8-15 parts of composite fibers and 3-6 parts of an antibacterial agent; the ALC board prepared by the invention has the effects of high strength and light weight, and also has excellent freezing resistance and excellent permeability resistance; wherein the 7d compressive strength is 4.1-4.8 Mpa, the 28d compressive strength is 3.6-4.2 Mpa, the 7d anti-cracking strength is 3612-3780N/m < 2 >, the 28d anti-cracking strength is 3522-3650N/m < 2 >, the dry volume weight is less than or equal to 500Kg/m < 3 >, the mass loss after a freeze-thaw test is 0.7-1.4%, the strength after freezing is kept above 4.0 Mpa, and the high water column descending height is less than 40.0 mm. The performance of the ALC board disclosed by the invention meets the national standard requirements, and the ALC board can be applied to external wall boards and partition boards of buildings, and can be used for building construction. And the development trend of constructing a human conservation-minded society is met.
本发明提供一种高强度轻质ALC板材及其制备方法，包括外层材料和内层材料，所述外层材料以下重量份原料：石英砂35‑60份、水泥11‑25份、粉煤灰20‑45份、石膏12‑35份、废钢粉末3‑12份、复合剂2‑5份、抗裂剂2.6‑8份；所述内层材料包括以下重量份原料：椰壳渣12‑33份、鹧鸪茶粉1‑4份、珊瑚砂粉末2‑6份、复合纤维8‑15份、抗菌剂3‑6份；本发明制得的ALC板材具有高强度轻质的效果，还具有出色的抗冻性和优异的抗渗透性；其中7d抗压强度为4.1‑4.8Mpa，28d抗压强度为3.6‑4.2Mpa，7d抗裂强度为3612‑3780N/m2，28d抗裂强度为3522‑3650N/m2，干容重≤500Kg/m3，冻融测试后质量损失0.7‑1.4％，冻后强度保持在4.0Mpa以上，高水柱下降高度＜40.0mm，本发明的ALC板材其性能均达到国家标准要求，可应用于建筑物外墙板和隔墙板，符合构建人类节约型社会的发展趋势。
High-strength lightweight ALC (autoclaved lightweight concrete) board and preparation method thereof
一种高强度轻质ALC板材及其制备方法
ZHU ZHENPING (Autor:in) / CUI HUIFENG (Autor:in) / ZHANG YUAN (Autor:in) / LEE UI-JIN (Autor:in)
29.12.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
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Autoclaved lightweight concrete (ALC) board splicing method
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