Influence of steel fiber on the water absorption of 3D printed concrete

被引：14

作者：

Zhang, Yu ^{[1
]}

Zhang, Yunsheng ^{[1
]}

Qian, Rusheng ^{[2
]}

Liu, Guojian ^{[3
]}

Du, Hongjian ^{[4
]}

机构：

[1] Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730050, Peoples R China

[2] Zhejiang Univ Technol, Coll Civil Engn & Architecture, Hangzhou 310023, Peoples R China

[3] Suzhou Univ Sci & Technol, Sch Civil Engn, Suzhou 215011, Peoples R China

[4] Natl Univ Singapore, Dept Civil & Environm Engn, Singapore 117576, Singapore

来源：

MATERIALS LETTERS | 2023年 / 330卷

基金：

中国国家自然科学基金;

关键词：

Additive manufacturing; Fiber; Water absorption; X-ray techniques; Durability;

D O I：

10.1016/j.matlet.2022.133252

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, X-CT combined with CsCl enhancing method is used to investigate the effect of steel fiber on the unsaturated flow in printed concrete along the printing direction, and to contrast the molded concrete. Results indicate that this method could be used effectively to monitor the evolution of water ingress into cementitious materials continuously. The addition of steel fiber slightly reduces water absorption rate in printed specimens. Compared with the molded specimen, the fiber alignment enhances the sorptivity of the printed specimen significantly.

引用

页数：3

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