DEVELOP CEMENTITIOUS MATERIALS INCOPORATING FLY ASH CENOPHERE FOR SPRAY-BASED 3D PRINTING

被引：8

作者：

Lu, Bing ^{[1
,2
]}

Li, Mingyang ^{[3
]}

Qian, Shunzhi ^{[1
,2
]}

Leong, Kah Fai ^{[3
]}

Tan, Ming Jen ^{[3
]}

机构：

[1] Nanyang Technol Univ, Singapore Ctr 3D Printing, 50 Nanyang Ave, Singapore 639798, Singapore

[2] Nanyang Technol Univ, Sch Civil & Environm Engn, 50 Nanyang Ave, Singapore 639798, Singapore

[3] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore Ctr 3D Printing, 50 Nanyang Ave, 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：

3D printing; cementitious material; fly ash cenosphere; pumpability; spray performance;

D O I：

10.25341/D4RG6Q

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Developments of 3D printing in building and construction have attracted a lot of research focus during recent years. While the mainstream 3D printing of cementitious material adopts extrusion method, the limitation in vertical applications such as overhanging structures calls for further investigation of printing method with suitable materials. In this paper, spray-based 3D printing of cementitious material is proposed. The influence of incorporating fly ash cenosphere is studied for spray-based 3D printable cementitious material development. Rheological tests and robotic arm-controlled spray tests illustrate that the incorporation of fly ash cenosphere significantly reduces the spray splash, improves sprayed material distribution of sprayed material while impairs the pumpability of the material.

引用

页码：38 / 43

页数：6

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