BOND STRENGTH OF 3D PRINTED CONCRETE

被引：5

作者：

Tay, Yi Wei Daniel ^{[1
]}

Ting, Guan Heng Andrew ^{[1
]}

Panda, Biranchi ^{[1
]}

He, Lewei ^{[1
]}

Tan, Ming Jen ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore Ctr 3D Printing, Singapore 639798, Singapore

来源：

PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON PROGRESS IN ADDITIVE MANUFACTURING | 2018年

基金：

新加坡国家研究基金会;

关键词：

Building and Construction; Additive Manufacturing; 3D printing; bond strength; Time-gap; HARDENED PROPERTIES;

D O I：

10.25341/D4T59C

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

3D concrete printing is an innovative additive manufacturing process where the material is extruded through a nozzle to print structure layer-by-layer. In this paper, the authors investigate the possibility of improving the interface bond strength of this layer by layer construction technique. Many factors affect the bond strength between the two layers such as time gap, surface contact area and surface moisture. The nozzle requires a specific amount of time for it to complete one cycle (time gap). Four different time-gap on the bond strength of individual layer was studied and is found that the bond of a shorter time gap yields better strength. A proposed method to improve the strength of the bond at the interface is to increase the contact surface area. Increasing the contact surface area of the layers could improve the bond strength.

引用

页码：25 / 30

页数：6

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