Hardened properties and durability of large-scale 3D printed cement-based materials

doi:10.1617/s11527-021-01632-x

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	Hardened properties and durability of large-scale 3D printed cement-based materials
	Zhang, Yu 4,5; Zhang, Yunsheng 4,5,6; Yang, Lin 1; Liu, Guojian 7; Chen, Yidong 4,5; Yu, Shiwei 3; Du, Hongjian 2
刊名	MATERIALS AND STRUCTURES
	2021-02-10
卷号	54 期号:1 页码:-
关键词	Cements Chlorine compounds Computerized tomography Durability Hardening Sulfur compounds Cement based material Chloride ion penetration Compressive and flexural strengths Drying shrinkages Durability performance Hardened properties Resistance to frosts Void distributions
ISSN号	1359-5997
DOI	10.1617/s11527-021-01632-x
英文摘要	This study systematically investigates the hardened properties, durability and void distribution of large-scale 3D printed cement-based materials (3DPC). Experimental results indicate that 3DPC has higher compressive and flexural strengths, lower drying shrinkage, better resistance against sulfate attack and carbonation than mold-cast cement-based materials, but lower resistance to frost damage and chloride ion penetration. Computed tomography scanning reveals that voids in 3DPC are strongly oriented along the printing direction. Furthermore, the voids are much more inter-connected and even continuous among the printed filaments. This unique void distribution is the origin of anisotropy for 3DPC and can explain the determined directional dependency of mechanical strengths and durability performance. Along the printing direction, the more connected voids render more channels for gas and liquid to penetrate into 3DPC.
WOS研究方向	Construction & Building Technology ; Engineering ; Materials Science
语种	英语
出版者	Springer Science and Business Media B.V.
WOS记录号	WOS:000619166300004
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/147290]
专题	兰州理工大学
作者单位	1.Zhengzhou Univ, Sch Water Conservancy Engn, Zhengzhou 450001, Peoples R China; 2.Natl Univ Singapore, Dept Civil & Environm Engn, Singapore 117576, Singapore 3.Swinburne Univ Technol, Ctr Smart Infrastruct & Digital Construct, Hawthorn, Vic 3122, Australia; 4.Southeast Univ, Sch Mat Sci & Engn, Nanjing, Peoples R China; 5.Collaborat Innovat Ctr Adv Civil Engn Mat, Nanjing 211189, Peoples R China; 6.Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730050, Peoples R China; 7.Suzhou Univ Sci & Technol, Sch Civil Engn, Suzhou 215011, Peoples R China;
推荐引用方式 GB/T 7714	Zhang, Yu,Zhang, Yunsheng,Yang, Lin,et al. Hardened properties and durability of large-scale 3D printed cement-based materials[J]. MATERIALS AND STRUCTURES,2021,54(1):-.
APA	Zhang, Yu.,Zhang, Yunsheng.,Yang, Lin.,Liu, Guojian.,Chen, Yidong.,...&Du, Hongjian.(2021).Hardened properties and durability of large-scale 3D printed cement-based materials.MATERIALS AND STRUCTURES,54(1),-.
MLA	Zhang, Yu,et al."Hardened properties and durability of large-scale 3D printed cement-based materials".MATERIALS AND STRUCTURES 54.1(2021):-.