Influence of Printing Pattern on Bearing Capacity of 3D Printed Concrete Hollow Structures

被引：0

作者：

Chen, Zhaohui ^{[1
,2
]}

Wang, Zhenyue ^{[1
]}

Liao, Minmao ^{[1
,2
]}

Sun, Junbo ^{[3
]}

Sun, Xiao ^{[1
]}

机构：

[1] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China

[2] Chongqing Univ, China Minist Educ, Key Lab New Technol Construct Cities Mt Area, Chongqing 400045, Peoples R China

[3] Chongqing Univ Liyang, Inst Smart City, Liyang 213300, Peoples R China

来源：

CONSTRUCTION 3D PRINTING, 4-IC3DCP CONFERENCE 2023 | 2024年

关键词：

3D printed concrete; hollow structure; cross-sectional pattern; load-bearing capacity;

D O I：

10.1007/978-3-031-64269-2_4

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this study, four specimens with two cross-section patterns, the W-shape and Y-shape, are printed by using two nozzle sizes to study the effects of the printed patterns and nozzle size on the mechanics properties of 3D Printed Concrete (3DPC) structures. The four-point loading tests are conducted and the Digital Image Correlation (DIC) analysis technology is used. The results showed that the load capacity of the Y-shaped specimens is about 10% higher than that of the W-shaped specimens, and the specimens printed with a smaller nozzle have a load capacity of 15-20% higher. The DIC analysis reveals that the failure modes of the W-shaped and Y-shaped specimens are closely related to the strength of the mid-span nodes.

引用

页码：26 / 31

页数：6

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