Material Properties and Mechanical Performances of Manufactured Factory-Produced Glass Fiber-Reinforced Autoclaved Aerated Concrete Panel

被引:0
作者
Song, Pei [1 ]
Peng, Xiaoxuan [2 ]
Zheng, Rengeng [2 ]
Xia, Jun [2 ]
机构
[1] Shanghai Jundao Residential Ind Co Ltd, Shanghai 201901, Peoples R China
[2] Xian Jiaotong Liverpool Univ, Design Sch, Civil Engn Dept, Suzhou 215123, Peoples R China
关键词
dry density; absorption; compressive strength; flexural strength; static loading test; impact testing; PHYSICAL-PROPERTIES; MICROSTRUCTURE; SYSTEM; SLAG; AAC;
D O I
10.3390/buildings14092895
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Autoclaved aerated concrete (AAC) has gained widespread acceptance in construction as a lightweight solution for exterior and interior walls. However, traditional steel-reinforced autoclaved aerated concrete (SR-AAC) has limitations, including concerns over its ductility and difficulty in cutting during installation. The steel reinforcement also has high embodied carbon that does not align with the actions in the construction section to reach carbon neutrality shortly. This study investigated the material properties and mechanical performances of factory-produced fiber-reinforced autoclaved aerated concrete (FR-AAC) panels, aiming to examine their potential as an alternative solution. Full-scale FR-AAC panels with thicknesses of 100 mm, 150 mm, and 200 mm were manufactured and tested. Some panels were down-sampled to determine the dry density, water absorption, compressive strength, and flexural strength of the material, while the mechanical performances were evaluated through static and impact loading tests. The results showed that the average dry density and absorption of the FR-AAC material are 533 kg/m3 and 63%, respectively, with compressive strengths up to 3.79 MPa and flexural strengths reaching 0.97 MPa. All six panels tested under static uniformly distributed loading exceeded the self-weight limit by a factor of 1.5, satisfying standard requirements for load-bearing capacity. However, the brittle failure modes observed in some tests raise potential health and safety concerns. In contrast, the impact tests revealed that the panels have acceptable performances with the inclusion of fibers.
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页数:17
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