Fire performance evaluation of 3D-Printed concrete walls: A combined full-scale and numerical modeling approach

被引:0
|
作者
Suphunsaeng, Kantawich [1 ]
Prasittisopin, Lapyote [2 ]
Pethrung, Sirichai [3 ]
Pansuk, Withit [4 ]
机构
[1] Chulalongkorn Univ, Fac Engn, Dept Civil Engn, Bangkok 10330, Thailand
[2] Chulalongkorn Univ, Fac Architecture, Ctr Excellence Green Tech Architecture, Bangkok 10330, Thailand
[3] Rajamangala Univ Technol Krungthep, Fac Engn, Dept Civil Engn, Bangkok 10120, Thailand
[4] Chulalongkorn Univ, Fac Engn, Ctr Excellence Innovat Construct Mat, Bangkok 10330, Thailand
来源
JOURNAL OF BUILDING ENGINEERING | 2025年 / 104卷
关键词
3D concrete printing; Fire; Full-scale; Simulation; Finite element; Additive manufacturing; Wall; 3D PRINTING CONCRETE; CONSTRUCTION;
D O I
10.1016/j.jobe.2025.112296
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
3D concrete printing (3DCP) is now being adopted in construction projects worldwide, allowing many benefits from such automated construction. However, existing research has limited its durability evaluation to full-scale testing. Furthermore, the numerical simulation of the 3DCP method is a new research area in the fields of dynamic growth, and many practical questions still remain. This paper presents the findings of full-scale and numerical studies on the fire performance of different 3DCP walls configurations. The effects of the wall thickness, cross-sectional arrangements, and inner cavity area on the insulation fire rating under different fire scenarios were examined. Results indicate that all full-scale specimens tested satisfy the integrity criteria for 3-h exposure time. Non-load bearing 3DCP showed a better fire insulation performance, whereas 3DCP wall with increased total thickness had better fire resistance. Numerical modeling performed effectively predicts 3DCP wall performance.
引用
收藏
页数:21
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