Abstract
AbstractBuildings produce tremendous carbon emissions across the life cycle, profoundly impacting global warming and environmental pollution. Low-carbon buildings have gradually attracted people's attention, and the concept of sustainable development has been deeply rooted. Large-span spatial structure is an innovative and essential structural form that can meet the needs of industrial production and human life, but there lacks an evaluation of its sustainability performance. In order to evaluate the carbon emission reduction of the innovative large-span spatial structure, this paper builds a building-level carbon emission calculation model using the concept of life-cycle assessment. By measuring the carbon emissions of a fair-faced concrete joint reticulated shell structure at different phases, the key factors and their impacts on the structure's environmental performance are discussed. Reasonable suggestions for the development of low-carbon buildings are provided from the perspectives of material and structure. The proposed practical carbon evaluation method for large-span spatial structures fills the research gap and helps promote the sustainable development of the construction industry.KeywordsCarbon emissionFair-faced concreteJoint reticulated shell structureLife-cycle assessment (LCA)
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