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Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Document Type

Class Research

Publication Date

2024

Abstract

This research aims to scrutinize the performance, durability, and viability of hempcrete in curtain wall applications—an exploration critical to advancing sustainable construction practices. Comprising hemp hurds and lime binders, hempcrete stands as an emerging sustainable building material with promising ecological benefits. Despite its potential, there exists a notable research gap concerning its application in curtain walls, which demand rigorous structural and weatherproofing standards. The primary objective is to subject full-scale hempcrete curtain wall assemblies to ASTM standard test methods, comparing their performance with conventional materials like stone and glass. The research hypothesis posits that hempcrete will exhibit satisfactory strength, fire resistance, impact resistance, and durability, positioning it as a credible alternative for curtain wall construction, all while enhancing thermal insulation compared to standard designs. The methodological approach embraces ASTM standard test methods to ensure a systematic and comparable evaluation. ASTM E1886 will assess the structural integrity of hempcrete curtain wall specimens through simulated missile impacts. ASTM E84 will evaluate the fire resistance of hempcrete by exposing samples to a furnace and monitoring flame spread. Compressive strength, a crucial parameter, will be determined using ASTM C39, involving the compression of hempcrete cylinders until failure. Additionally, ASTM G154 will subject specimens to UV lamps, allowing for the evaluation of material deterioration over time. Anticipated outcomes involve the validation of hempcrete's suitability for curtain walls, showcasing its capacity to meet or exceed industry standards. Statistical analysis, utilizing ANOVA, will facilitate a nuanced comparison against established benchmarks. Identifying deficiencies will inform enhancements in hempcrete formulations and integration techniques, providing invaluable insights into its utilization for sustainable curtain wall construction. The research demonstrating hempcrete's viability as a curtain wall material holds transformative potential, influencing the construction industry towards embracing more environmentally conscious methods, and aligning with broader sustainability objectives.

Comments

2nd Place, Graduate Division, 2024 Booth Library Awards for Excellence in Student Research and Creative Activity

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