大麻混凝土属性和机械性能的最新进展综述

Biomass Pub Date : 2024-02-02 DOI:10.3390/biomass4010004
Nima Asghari, A. Memari
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引用次数: 0

摘要

全球环境污染激增,这主要归咎于工业化,因此迫切需要可持续的解决方案。为此,建筑行业越来越关注生物基材料,如大麻,因为大麻被公认为对环境影响小,具有显著的负碳品质。随着设计师、房屋建筑商和具有环保意识的社会将目光转向标准建筑材料的生态替代品,大麻混凝土应运而生。大麻混凝土是一种主要由大麻秆/秸秆、水和石灰制成的复合材料,它能够在进入建筑物后长期固碳。因此,大麻的种植过程可在不到四个月的时间内完成,确保在生产和使用过程中吸收的碳多于排放的碳,例如,根据一项研究,每立方米大麻混凝土可固存 300 千克二氧化碳。与混凝土相比,由于麻混凝土在生命周期后可回收利用,因此其足迹更具可持续性。这篇最新的综述论文深入探讨了麻混凝土的各个方面,总结了其多方面的属性,尤其是抗压强度。在研究的基础上,论文还提出了增强这种强度的策略,从而将麻混凝土从一种非承重材料转变为一种能够承受较大重量的材料。随着建筑师和设计师不断努力使他们的项目符合高生态标准,不仅注重美学吸引力,而且注重环境兼容性,麻混凝土越来越成为未来建筑的合适解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
State of the Art Review of Attributes and Mechanical Properties of Hempcrete
The global surge in environmental pollution, largely attributed to industrialization, has fueled a pressing need for sustainable solutions. In response, the construction sector is increasingly focusing on bio-based materials such as hemp, recognized for its low environmental footprint and prominent carbon-negative quality. As designers, housebuilders, and an environmentally conscious society pivot towards ecological alternatives to standard building materials, hempcrete emerges as a promising candidate. As a composite material mainly made from hemp hurd/shiv, water, and lime, hempcrete offers the ability to sequester carbon long after its incorporation into structures. As a result, the hemp cultivation process—which can be completed within less than four months—ensures that more carbon is absorbed during production and deployment than emitted, e.g., per one study, sequestration on the order of 300 kg of CO2 per m3 of hempcrete. In comparison to concrete, hempcrete offers a more sustainable footprint, given its recyclability post life cycle. This state-of-the-art review paper delves deep into different aspects of hempcrete, summarizing its multifaceted attributes, particularly its compressive strength. Based on the study conducted, the paper also suggests strategies to augment this strength, thereby transitioning hempcrete from a non-load-bearing material to one capable of shouldering significant weight. As architects and designers consistently strive to align their projects with high ecological standards, focusing not just on aesthetic appeal but also environmental compatibility, hempcrete becomes an increasingly fitting solution for the future of construction.
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