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High Performance Steel-Concrete Composite Beam System for Sustainable Construction
It has been agreed that buildings and infrastructure around the world should target 40% less embodied carbon by 2030. However, there is no single material that can meet this target now in terms of performance, availability, and productivity. This study presents a hybrid approach using high performance green concrete and optimized steel concrete composite flooring system for heavily loaded & long-span industrial or commercial buildings. The composition actions are formed between green concrete slab in grade C60/75 and pre-engineered structural steel asymmetric sections in grade S460M. Feasibility study was conducted on the concept level using the EC4 design approach and trial production and testing was carried out to verify its mechanical performance. A case study using a local industry building project shows the proposed solution could achieve 30% reduction on embodied carbon and 37% reduction on self-weight. To verify the compatibility among the three different materials used, i.e., the S460M structural steel, green C60/75 concrete, and the shear studs, shear connection specimens designed and tested with reference made to EC4. Subsequently, A full scale steel concrete composite beam is tested until failure. Finite element model is also built to validate the test results and study the parameters. The results showed that the EC4 design equations for predicting the shear resistance and the bending moment resistance are still conservative for the materials and full-scale beam.
High Performance Steel-Concrete Composite Beam System for Sustainable Construction
It has been agreed that buildings and infrastructure around the world should target 40% less embodied carbon by 2030. However, there is no single material that can meet this target now in terms of performance, availability, and productivity. This study presents a hybrid approach using high performance green concrete and optimized steel concrete composite flooring system for heavily loaded & long-span industrial or commercial buildings. The composition actions are formed between green concrete slab in grade C60/75 and pre-engineered structural steel asymmetric sections in grade S460M. Feasibility study was conducted on the concept level using the EC4 design approach and trial production and testing was carried out to verify its mechanical performance. A case study using a local industry building project shows the proposed solution could achieve 30% reduction on embodied carbon and 37% reduction on self-weight. To verify the compatibility among the three different materials used, i.e., the S460M structural steel, green C60/75 concrete, and the shear studs, shear connection specimens designed and tested with reference made to EC4. Subsequently, A full scale steel concrete composite beam is tested until failure. Finite element model is also built to validate the test results and study the parameters. The results showed that the EC4 design equations for predicting the shear resistance and the bending moment resistance are still conservative for the materials and full-scale beam.
High Performance Steel-Concrete Composite Beam System for Sustainable Construction
Lecture Notes in Civil Engineering
Reddy, J. N. (editor) / Wang, Chien Ming (editor) / Luong, Van Hai (editor) / Le, Anh Tuan (editor) / Chua, Guan-Feng (author) / Zhao, Ming-Shan (author) / Cong, Zhengxia (author) / Yang, Yi (author) / Ng, Yiaw Heong (author) / Chiew, Sing-Ping (author)
The International Conference on Sustainable Civil Engineering and Architecture ; 2023 ; Da Nang City, Vietnam
Proceedings of the Third International Conference on Sustainable Civil Engineering and Architecture ; Chapter: 150 ; 1403-1410
2023-12-12
8 pages
Article/Chapter (Book)
Electronic Resource
English
Steel concrete composite beam , Pre-engineering sections , Sustainable construction , Low embodied carbon , Long span Energy , Sustainable Architecture/Green Buildings , Structural Materials , Geotechnical Engineering & Applied Earth Sciences , Building Construction and Design , Construction Management , Engineering
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