I-Corps: Transforming Construction by Digital Fabrication of Concrete with Carbonate Cement
I-Corps:通过碳酸盐水泥数字化制造混凝土来改变建筑业
基本信息
- 批准号:1719227
- 负责人:
- 金额:$ 5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-02-01 至 2018-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The broader impact/commercial potential of this I-Corps project seeks to advance concrete construction technology by reinventing cement production with carbonate-based, near CO2-neutral cement and concrete surrogates. It is proposed to utilize flue-gas borne CO2 as an 'ingredient' to rapidly mineralize digitally fabricated construction components. The reinvented cementation chemistry and process enable producing high-quality building elements faster than it is possible today. It also enables the integration of a confluence of technologies, mating carbonate-based cementation solutions with digital fabrication technologies to overcome challenges facing the construction sector today, including its large CO2 footprint, while also potentially improving productivity. By rationalizing workflows, enhancing automation, and originating new materials, this project develops innovative pathways to disruptively transform the construction sector.This I-Corps project exploits new advances made the rapid ambient temperature mineralization of carbonate solids. The central technology is based on approaches for sequestering CO2 borne in flue gases in light metal carbonates. This renders carbonate-based cementation agents, which offer performance that is equivalent or superior to traditional cement and concrete. Recent studies have revealed that carbonation hardening process is rapid. Under suitable conditions it proceeds to completion in 24 hours or less, substantially faster than existing cementation solutions. Due to their simple composition and chemical homogeneity, the carbonate cement precursors offer flexible, and well-controllable rheology, an important prerequisite for enabling digital fabrication using these materials. Taken together, carbonate-cements offer new routes towards CO2-neutral cementation, and construction.
I-Corps项目的更广泛的影响/商业潜力旨在通过使用碳酸基、接近二氧化碳中性的水泥和混凝土替代品来改造水泥生产,从而推进混凝土施工技术。建议利用烟气携带的二氧化碳作为“成分”来快速矿化数字制造的建筑部件。重新发明的胶结化学和工艺能够比今天更快地生产高质量的建筑元素。它还实现了技术融合的整合,将碳酸盐固井解决方案与数字制造技术相结合,以克服当今建筑行业面临的挑战,包括其巨大的二氧化碳足迹,同时也有可能提高生产力。通过合理化工作流程、提高自动化程度和采用新材料,该项目开发了创新的途径,颠覆性地改变了建筑行业。这个I-Corps项目利用了碳酸盐固体的快速常温矿化的新进展。核心技术基于将烟道气中携带的二氧化碳隔离在轻金属碳酸盐中的方法。这就产生了碳酸盐基胶结剂,其提供的性能相当于或优于传统的水泥和混凝土。近年来的研究表明,碳化硬化过程是迅速的。在合适的条件下,它可以在24小时或更短的时间内完成完井,比现有的固井解决方案快得多。由于其简单的成分和化学均匀性,碳酸盐水泥前驱体具有灵活和可控的流变性,这是使用这些材料实现数字化制造的重要先决条件。综上所述,碳酸盐胶结剂为二氧化碳中性胶结和施工提供了新的途径。
项目成果
期刊论文数量(0)
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会议论文数量(0)
专利数量(0)
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Gaurav Sant其他文献
Investigation of a hybrid binder system for large scale 3D printing
用于大规模 3D 打印的混合粘合剂系统的研究
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Sebastian Remke;Gaurav Sant;Torben Gädt - 通讯作者:
Torben Gädt
Process modeling guides operational variables that affect CO2 utilization during the accelerated carbonation of concrete
过程建模指导影响混凝土加速碳化过程中二氧化碳利用率的操作变量
- DOI:
10.1002/aic.18387 - 发表时间:
2024 - 期刊:
- 影响因子:3.7
- 作者:
D. Prentice;Othman AlShareedah;Manas Sarkar;Jenny Arabit;Iman Mehdipour;Shaik Afzal;Junwei Luo;Fahim Abdullah;Sungil Yun;Panagiotis D. Christofides;D. Simonetti;Gaurav Sant - 通讯作者:
Gaurav Sant
Enabling carbon dioxide mineralization and active set control in portlandite-based cementitious suspensions
在基于氢氧化钙的胶凝悬浮液中实现二氧化碳矿化和活性组控制
- DOI:
10.1016/j.cemconcomp.2025.106123 - 发表时间:
2025-09-01 - 期刊:
- 影响因子:13.100
- 作者:
Xiaodi Dai;Sharu Bhagavathi Kandy;Rui Xiao;Manas Sarkar;Shubham Wani;Thiyagarajan Ranganathan;Narayanan Neithalath;Aditya Kumar;Mathieu Bauchy;Edward Garboczi;Torben Gädt;Samanvaya Srivastava;Gaurav Sant - 通讯作者:
Gaurav Sant
Microstructurally resolved electrochemical evolution of mechanical- and irradiation-induced damage in nuclear alloys
核合金中机械和辐照损伤的微观结构解析电化学演化
- DOI:
10.1038/s41529-024-00500-7 - 发表时间:
2024-08-19 - 期刊:
- 影响因子:7.600
- 作者:
Xin Chen;Marta Pozuelo;Maxim Gussev;Matthew Chancey;Yongqiang Wang;Magdalena Balonis;Mathieu Bauchy;Gaurav Sant - 通讯作者:
Gaurav Sant
Advances in characterization and modeling of cementitious materials: materials and test methods
- DOI:
10.1007/s12572-017-0195-4 - 发表时间:
2017-10-12 - 期刊:
- 影响因子:0.800
- 作者:
Narayanan Neithalath;Gaurav Sant - 通讯作者:
Gaurav Sant
Gaurav Sant的其他文献
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{{ truncateString('Gaurav Sant', 18)}}的其他基金
Planning Grant: Engineering Research Center for Carbon Dioxide Utilization (CarbonUSE)
规划资助:二氧化碳利用工程研究中心(CarbonUSE)
- 批准号:
1840567 - 财政年份:2018
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
CAREER: Taking Sustainable Cements to the Next Level: New Routes to Control and Amplify the Chemical Reactivity of Cementing Phases
职业生涯:将可持续水泥提升到新的水平:控制和增强固井相化学反应性的新途径
- 批准号:
1253269 - 财政年份:2013
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
Collaborative Research: Fundamental Studies on Composition-Microstructure-Performance Relationships of Sustainable Cementitious Binders
合作研究:可持续水泥基粘合剂的成分-微观结构-性能关系的基础研究
- 批准号:
1066583 - 财政年份:2011
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
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