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采用碱激发砌块建造的生态住宅原型：材料生产、特性表征、设计、施工及环境影响

Eco-House Prototype Constructed with Alkali-Activated Blocks: Material Production, Characterization, Design, Construction, and Environmental Impact.

作者信息

Robayo-Salazar Rafael A, Valencia-Saavedra William, Ramírez-Benavides Sandra, Mejía de Gutiérrez Ruby, Orobio Armando

机构信息

Composites Materials Group (CENM), School of Materials Engineering, Universidad del Valle, Calle 13 #100-00, E44, Cali 76001, Colombia.

Applied Research in Construction Group (GRUA), School of Civil Engineering, Universidad del Valle, Calle 13 #100-00, Cali 76001, Colombia.

出版信息

Materials (Basel). 2021 Mar 8;14(5):1275. doi: 10.3390/ma14051275.

DOI:10.3390/ma14051275
PMID:33800181
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7962456/
Abstract

The interest of the construction industry in alkali-activated materials has increased to the extent that these materials are recognized as alternatives to ordinary Portland cement-based materials in the quest for sustainable construction. This article presents the design and construction of a prototype of an eco-friendly house built from concrete blocks produced using alkali activation technology or geopolymerization. The prototype meets the requirements of the current Colombian Regulations for Earthquake Resistant Buildings (NSR-10) and includes standards related to the performance of the materials, design, and construction method for earthquake-resistant confined masonry of one- or two-story buildings. The alkali-activated blocks were obtained from different precursors (aluminosilicates), including a natural volcanic pozzolan, ground granulated blast furnace slag, fly ash, construction and demolition waste (concrete, ceramic, brick, and mortar), and red clay brick waste. The physical-mechanical characterization of the alkali-activated blocks allowed their classification according to the structural specifications of the Colombian Technical Standard NTC 4026 (equivalent to ASTM C90). The global warming potential (GWP) or "carbon footprint" attributed to the raw materials of alkali-activated blocks was lower (25.4-54.7%) than that of the reference blocks (ordinary Portland cement concrete blocks). These results demonstrate the potential of alkali-activated materials for application in the construction of eco-friendly houses.

摘要

建筑行业对碱激活材料的兴趣大增，以至于在追求可持续建筑的过程中，这些材料被视为普通波特兰水泥基材料的替代品。本文介绍了一座生态友好型房屋原型的设计与建造，该房屋由使用碱激活技术或地质聚合技术生产的混凝土砌块建成。该原型符合哥伦比亚现行的抗震建筑法规（NSR - 10）的要求，并包括与材料性能、一层或两层建筑抗震约束砌体的设计和施工方法相关的标准。碱激活砌块由不同的前驱体（铝硅酸盐）制成，包括天然火山灰质火山灰、粒化高炉矿渣、粉煤灰、建筑和拆除废物（混凝土、陶瓷、砖和砂浆）以及红砖废料。碱激活砌块的物理力学特性使其能够根据哥伦比亚技术标准NTC 4026（等同于ASTM C90）的结构规范进行分类。碱激活砌块原材料的全球变暖潜能值（GWP）或“碳足迹”比参考砌块（普通波特兰水泥混凝土砌块）低（25.4 - 54.7%）。这些结果证明了碱激活材料在生态友好型房屋建设中的应用潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/e544538d864a/materials-14-01275-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/93cbf3795c36/materials-14-01275-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/019977d1fbc3/materials-14-01275-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/fc4a38946dec/materials-14-01275-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/b04a659111c7/materials-14-01275-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/d38cb94da895/materials-14-01275-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/a38054acbfa4/materials-14-01275-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/85bb967f4733/materials-14-01275-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/c038d5cc4fc6/materials-14-01275-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/e544538d864a/materials-14-01275-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/93cbf3795c36/materials-14-01275-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/019977d1fbc3/materials-14-01275-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/fc4a38946dec/materials-14-01275-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/b04a659111c7/materials-14-01275-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/d38cb94da895/materials-14-01275-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/a38054acbfa4/materials-14-01275-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/85bb967f4733/materials-14-01275-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/c038d5cc4fc6/materials-14-01275-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2b18/7962456/e544538d864a/materials-14-01275-g009.jpg

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