{"681761":{"#nid":"681761","#data":{"type":"news","title":"Georgia Tech Researchers Pioneer Eco-Friendly Building Materials for Earth and Mars","body":[{"value":"\u003Cp\u003EFor centuries, innovations in structural materials have prioritized strength and durability \u2014 often at a steep environmental price. Today, the construction industry accounts for approximately 10% of global greenhouse gas emissions, with cement, steel, and concrete responsible for more than two-thirds of that total. As the world presses for a sustainable future, scientists are racing to reinvent the very foundations of our built environment.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EParadigm Shift in Construction\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003ENow, researchers at Georgia Tech have developed a novel class of modular, reconfigurable, and sustainable building blocks \u2014 a new construction paradigm as well-suited for terrestrial homes as it is for extraterrestrial habitats. Their \u003Ca href=\u0022https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2590238525001493?dgcid=author\u0022\u003E\u003Cstrong\u003Estudy\u003C\/strong\u003E\u003C\/a\u003E, published in \u003Cem\u003EMatter\u003C\/em\u003E, demonstrates that these innovative units, dubbed eco-voxels, can reduce carbon footprints by up to 40% compared to traditional construction materials. These units also maintain the structural performance needed for applications ranging from load-bearing walls to aircraft wings.\u003C\/p\u003E\u003Cp\u003E\u201cWe created sustainable structures using these eco-friendly building blocks, combining our knowledge of structural mechanics and mechanical design with industry-relevant manufacturing practices and environmental assessments,\u201d said \u003Ca href=\u0022https:\/\/research.gatech.edu\/people\/christos-e-athanasiou\u0022\u003E\u003Cstrong\u003EChristos Athanasiou\u003C\/strong\u003E\u003C\/a\u003E, assistant professor at the \u003Ca href=\u0022https:\/\/ae.gatech.edu\/\u0022\u003E\u003Cstrong\u003EDaniel Guggenheim School of Aerospace Engineering\u003C\/strong\u003E\u003C\/a\u003E.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EHousing Affordability Solutions\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003ETheir work offers a potential solution to the growing housing affordability crisis. As climate-driven disasters such as hurricanes, wildfires, and floods increase, homes are damaged at higher rates, and insurance costs are skyrocketing. This crisis is fueled by rising land prices and restrictive development regulations. Meanwhile, the growing demand for housing places an increasing strain on global resources and the environment. The modularity and circularity of the developed approach can effectively address these issues.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EThe New Building Blocks\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EEco-voxels \u2014 short for eco-friendly voxels, the 3D equivalent of pixels \u2014 are made from polytrimethylene terephthalate (PTT). PTT is a partially bio-based polymer derived from corn sugar and reinforced with recycled carbon fibers from aerospace waste (scrap material lost during the manufacturing of aerospace components). Eco-voxels can be easily assembled into large, load-bearing structures and then disassembled and reconfigured, all without generating waste. Consequently, they offer a highly adaptable, sustainable approach to construction.\u003C\/p\u003E\u003Cp\u003EThe team tested eco-voxels and found they can handle the pressure that buildings usually face. They also used computer simulations to show that changing the shape of eco-voxels makes them suitable for many different building needs.\u003C\/p\u003E\u003Cp\u003EThe researchers compared the eco-voxel approach to other emerging construction methods like 3D-printed concrete and cross-laminated timber (CLT), finding that eco-voxels offer significant environmental advantages. While traditional and alternative materials are often heavy and carbon-intensive, the eco-voxel wall had the lowest carbon footprint: 30% lower than concrete and 20% lower than CLT.\u003C\/p\u003E\u003Cp\u003EThese results highlight eco-voxels as a promising low-carbon, high-performance solution for sustainable and affordable construction, opening new possibilities for faster, more sustainable building solutions. In addition to residential uses, emergency shelters built with eco-voxels could be used for disaster-relief scenarios, where quick assembly, modularity, and minimal environmental impact are crucial.\u003C\/p\u003E\u003Cdiv\u003E\u003Cp\u003E\u003Cem\u003E\u201c\u003C\/em\u003EThis study exemplifies how advances in structural mechanics, sustainable composite development, and sustainability analysis can yield transformative solutions when coupled. Eco-voxels\u0026nbsp; \u2014\u0026nbsp; our modular, reconfigurable building blocks \u2014 provide a scalable, low-carbon alternative that redefines our approach to building in both terrestrial and extraterrestrial environments,\u0022 said Athanasiou.\u0026nbsp;\u003C\/p\u003E\u003C\/div\u003E\u003Cdiv\u003E\u003Cdiv\u003E\u003Cdiv\u003E\u003Cp\u003E\u003Cstrong\u003EBuilding in Space\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EBeyond their terrestrial potential, eco-voxels can also offer a promising solution for off-world construction where traditional building methods are unfeasible. Their lightweight, rapid assembly \u2014 structures can be erected in less than an hour \u2014 and reliance on sustainable or locally sourced materials make them ideal candidates for future Martian or lunar shelters.\u003C\/p\u003E\u003Cp\u003E\u201cThe ability to build these structures quickly is a significant advantage for space construction,\u201d said Athanasiou. \u201cIn space, we need lightweight units made from locally sourced materials.\u201d\u003C\/p\u003E\u003Cp\u003EPerhaps most importantly, the researchers envision a future where the built environment not only minimizes harm but actively contributes to the preservation of planetary health.\u003C\/p\u003E\u003Cp\u003EThis research was led by Georgia Tech, in collaboration with teams from the Massachusetts Institute of Technology, the University of Guelph in Ontario, Canada, and the National University of Singapore.\u003C\/p\u003E\u003C\/div\u003E\u003C\/div\u003E\u003Cdiv\u003E\u003Cdiv\u003E\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E","summary":"","format":"limited_html"}],"field_subtitle":[{"value":"A new study explores reconfigurable, sustainable construction materials that could transform how we build on this planet \u2014  and beyond."}],"field_summary":[{"value":"\u003Cp\u003EResearchers at Georgia Tech have developed a novel class of modular, reconfigurable, and sustainable building blocks \u2014 a new construction paradigm as well-suited for terrestrial homes as it is for extraterrestrial habitats. Their \u003Ca href=\u0022https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2590238525001493?dgcid=author\u0022\u003E\u003Cstrong\u003Estudy\u003C\/strong\u003E\u003C\/a\u003E, published in \u003Cem\u003EMatter\u003C\/em\u003E, demonstrates that these innovative units, dubbed eco-voxels, can reduce carbon footprints by up to 40% compared to traditional construction materials. These units also maintain the structural performance needed for applications ranging from load-bearing walls to aircraft wings.\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"A new study explores reconfigurable, sustainable construction materials that could transform how we build on this planet \u2014  and beyond."}],"uid":"36345","created_gmt":"2025-04-11 22:25:47","changed_gmt":"2025-12-31 18:00:50","author":"gwaddell3","boilerplate_text":"","field_publication":"","field_article_url":"","location":"Atlanta, GA","dateline":{"date":"2025-04-11T00:00:00-04:00","iso_date":"2025-04-11T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"hg_media":{"677358":{"id":"677358","type":"video","title":"Eco-Voxels Build Tech Tower","body":null,"created":"1752062867","gmt_created":"2025-07-09 12:07:47","changed":"1752062867","gmt_changed":"2025-07-09 12:07:47","video":{"youtube_id":"E-QaIMFTLvc","video_url":"https:\/\/youtu.be\/E-QaIMFTLvc?feature=shared"}}},"media_ids":["677358"],"related_links":[{"url":"https:\/\/ae.gatech.edu\/news\/2024\/08\/christos-athanasiou-works-reuse-materials-our-planet-and-beyond","title":"Christos Athanasiou Works to Reuse Materials on Our Planet \u2014 and Beyond"}],"groups":[{"id":"1188","name":"Research Horizons"},{"id":"367481","name":"SEI Energy"},{"id":"1280","name":"Strategic Energy Institute"}],"categories":[{"id":"144","name":"Energy"},{"id":"135","name":"Research"}],"keywords":[{"id":"1325","name":"aerospace"},{"id":"187915","name":"go-researchnews"},{"id":"186858","name":"go-sei"}],"core_research_areas":[{"id":"39531","name":"Energy and Sustainable Infrastructure"},{"id":"193657","name":"Space Research Initiative"}],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003EMonique Waddell\u003C\/p\u003E","format":"limited_html"}],"email":["monique.waddell@gatech.edu"],"slides":[],"orientation":[],"userdata":""}}}