AccelNet: 3D Concrete Printing Network (3DConcrete) - Accelerating Progress in Concrete Additive Manufacturing

AccelNet：3D 混凝土打印网络 (3DConcrete) - 加速混凝土增材制造的进展

• 批准号: 2020095
• 负责人: Narayanan Neithalath
• 金额: $ 200万
• 依托单位: Arizona State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2021
• 资助国家: 美国
• 起止时间: 2021-01-01 至 2025-12-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2020095&HistoricalAwards=false
• 关键词: AccelNet; 3D; Concrete; Printing; Network

Concrete is the most widely used construction material. 3D printed concrete has the potential to significantly enhance the speed, safety, efficiency, performance, and sustainability of concrete construction to meet the world’s future construction challenges. This AccelNet project (3DConcrete) fosters global interconnections and international consensus on 3D printed concrete best practices, materials and design standardization and engages researchers in an "innovation ecosystem" to facilitate technology transfer. 3DConcrete strategically links key networks around the globe to synergistically meet key research challenges. The network of networks (NON) provides a mechanism for sharing knowledge, networking, and educating the next generation of professionals. The NON will span 6 continents and 13 countries, with mentorship activities that also connect colleagues in Asia, Europe, the Middle East, Australia, and the Americas.3DConcrete will spur global advances in the automation and digitization of 3D printed concrete and, through industry participation, facilitate knowledge transfer and the implementation of key advances. The NON integrates research and practice networks with complementary expertise to address major scientific and technological challenges in materials and structural design, digital construction and codification and standardization. The broad collaborations will enable information synthesis and exchange across networks and expand capabilities beyond the purview of any individual network. 3DConcrete will provide valuable opportunities to students and early-career researchers to further their knowledge and to become leaders in this emerging field. Networking events, workshops, webinars, and exchange programs will develop and nurture a new generation of diverse and globally competitive researchers and workforce in 3D printed concrete.The Accelerating Research through International Network-to-Network Collaborations (AccelNet) program is designed to accelerate the process of scientific discovery and prepare the next generation of U.S. researchers for multiteam international collaborations. The AccelNet program supports strategic linkages among U.S. research networks and complementary networks abroad that will leverage research and educational resources to tackle grand scientific challenges that require significant coordinated international efforts. Co-funding for this project is provided by the Directorate for Engineering.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

混凝土是应用最广泛的建筑材料。3D打印混凝土有潜力显著提高混凝土施工的速度、安全、效率、性能和可持续性，以应对世界未来的施工挑战。这个AccelNet项目(3DConrupt)促进了3D打印混凝土最佳实践、材料和设计标准化方面的全球互联和国际共识，并让研究人员参与到一个促进技术转让的“创新生态系统”中。3DConrupt战略性地连接了全球的关键网络，以协同应对关键的研究挑战。网络网络(Non)提供了一种共享知识、联网和教育下一代专业人员的机制。Non将跨越6大洲和13个国家，开展导师活动，将亚洲、欧洲、中东、澳大利亚和美洲的同事联系在一起。3D混凝土将推动3D打印混凝土自动化和数字化方面的全球进步，并通过行业参与，促进知识转让和关键进步的实施。非政府组织整合了具有互补专业知识的研究和实践网络，以应对材料和结构设计、数字化建设以及编码化和标准化方面的重大科学和技术挑战。广泛的合作将使信息合成和跨网络交换成为可能，并将能力扩展到任何单独网络的权限之外。3DConstrate将为学生和职业生涯早期的研究人员提供宝贵的机会，以加深他们的知识，并成为这一新兴领域的领导者。网络活动、研讨会、网络研讨会和交流计划将在3D打印混凝土领域培养和培养新一代多样化和具有全球竞争力的研究人员和劳动力。通过国际网络到网络合作加速研究(AccelNet)计划旨在加快科学发现的进程，并为多团队国际合作准备下一代美国研究人员。AccelNet计划支持美国研究网络和海外互补网络之间的战略联系，这些网络将利用研究和教育资源来应对需要重大协调国际努力的重大科学挑战。该项目的共同资金由工程局提供。这一奖项反映了NSF的法定使命，并通过使用基金会的智力优势和更广泛的影响审查标准进行评估，被认为值得支持。

项目成果

Print Geometry Alterations and Layer Staggering to Enhance the Mechanical Properties of Plain and Fiber-Reinforced 3-D Printed Concrete

打印几何形状改变和层交错可增强普通和纤维增强 3D 打印混凝土的机械性能

• 发表时间: 2023
• 期刊: ACI materials journal
• 影响因子: 1.7
• 作者: Avinaya Tripathi, Sooraj A.

Constitutive response and failure progression in digitally fabricated (3D printed) concrete under compression and their dependence on print layer height

• DOI: 10.1016/j.conbuildmat.2023.134246
• 发表时间: 2024-01
• 期刊: Construction and Building Materials
• 影响因子: 7.4
• 作者: Sooraj A.O. Nair;Avinaya Tripathi;N. Neithalath

A comprehensive analysis of buildability of 3D-printed concrete and the use of bi-linear stress-strain criterion-based failure curves towards their prediction

• DOI: 10.1016/j.cemconcomp.2022.104424
• 发表时间: 2022-02-01
• 期刊: CEMENT & CONCRETE COMPOSITES
• 影响因子: 10.5
• 作者: Tripathi，Avinaya;Nair，Sooraj A. O.;Neithalath，Narayanan
• 通讯作者: Neithalath，Narayanan

Evaluation of Durability of 3D-Printed Cementitious Materials for Potential Applications in Structures Exposed to Marine Environments

评估 3D 打印胶凝材料在暴露于海洋环境的结构中的潜在应用的耐久性

• 发表时间: 2022
• 期刊: Third RILEM International Conference on Concrete and Digital Fabrication – Digital Concrete 2022
• 作者: Rodriguez, F. B.

Relating print velocity and extrusion characteristics of 3D-printable cementitious binders: Implications towards testing methods

• DOI: 10.1016/j.addma.2021.102127
• 发表时间: 2021-10
• 期刊: Additive manufacturing
• 影响因子: 11
• 作者: Sooraj A.O. Nair;S. Panda;Avinaya Tripathi;N. Neithalath