Fabrication and mechanical behaviors of cementitious composites reinforced by 3D woven lattice sandwich fabrics |
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| Affiliation: | 1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;2. PLA Key Laboratory of Protective Materials and Structures, State Key Laboratory for Disaster Prevention & Mitigation of Explosion & Impact, PLA University of Science & Technology, Nanjing 210007, China;1. Department of Engineering for Innovation, University of Salento, Lecce, Italy;2. Department of Structures for Engineering and Architecture, University of Naples ‘‘Federico II’’, Via Claudio 21, 80125 Naples, Italy;3. Department of Architecture, Built Environment and Construction Engineering, Politecnico di Milano, Milan, Italy;4. Engineering Department, University of Napoli ‘Parthenope’, Centro Direzionale is. C4, 80143 Napoli, Italy;5. Northumbria University, Mechanical and Construction Engineering Department, Wynne-Jones Building, NE1 8ST, Newcastle Upon Tyne, United Kingdom;6. University of Perugia, Department of Engineering, Via Duranti, 93, 06125 Perugia, Italy;7. ZAG, Slovenian National Building and Civil Engineering Institute, Department of Structures, Dimi?eva Ulica 12, 1000 Ljubljana, Slovenia;8. Department of Civil, Environmental and Architectural Engineering, University of Padova, Padua, Italy;9. Department of Engineering and Architecture, University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy;10. Faculty of Civil Engineering, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland;11. Department of Civil, Chemical, Environmental, and Materials Engineering, Alma Mater Studiorum University of Bologna, Bologna, Italy;12. Department of Civil Engineering, University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal;13. Department of Civil Engineering, University of Patras, 26500 Patras, Greece;14. Department of Civil and Environmental Engineering, University of Florence, 50139 Florence, Italy;15. Department of Engineering, Roma Tre University, Rome, Italy;p. Institute of Building Materials Research, Chair of Building Materials, RWTH Aachen University, Schinkelstrasse 3, 52062 Aachen, Germany;1. Jiangsu Key Laboratory of Construction Materials, School of Materials Science & Engineering, Southeast University, Nanjing 211189, China;2. Architectural Engineering Institute of the General Logistic Department, P.L.A., Xi’an, China;1. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry and Environment, Beijing University of Aeronautics and Astronautics, Beijing 100191, PR China;2. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116023, PR China;3. China Academy of Machinery of Science & Technology, Beijing 100044, PR China;1. Key Laboratory of Textile Science & Technology (Donghua University), Ministry of Education, Shanghai, 201620, PR China;2. College of Textiles, Donghua University, Shanghai, 201620, PR China;3. College of Information Science and Technology, Donghua University, Shanghai, 201620, PR China;1. College of Mechanics and Materials, Hohai University, Nanjing 210098, China;2. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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| Abstract: | Glass fibers were firstly woven to form three-dimensional (3D) woven lattice sandwich fabrics (WLSFs) which then were applied to reinforce cementitious foams and mortars to fabricate novel ductile cementitious composites. Failure behaviors of WLSF reinforced cementitious composite structures were studied through compression and three-point bending experiments. The WLSF greatly enhances the strength of cementitious foams at a level of four times. For cementitious mortars, compression strength of WLSF reinforced blocks is a little greater for the fraction of the textile is small as well as the compression strength of the textile pillars is not strong. But in flexure, excellent stretching ability of the glass fiber textiles greatly improves the flexural behavior of WLSF reinforced cementitious composite panels. Load capacity and ultimate deflection of these composite panels were greatly enhanced. Flexural capacity of the WLSF reinforced beam is four times greater. Reinforced by WLSF, failure of the cementitious composite is ductile. |
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| Keywords: | A Fabrics/textiles B Mechanical properties D Mechanical testing |
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