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Probabilistic analysis of the impact of climate change on creep of concrete structures in Sweden

Recent studies suggest that concrete creep may be further exacerbated by climate change. However, up to now this effect has not been quantified in literature. The current study addresses this gap and presents a probabilistic approach for quantitatively assessing this effect. For this purpose, five different stochastic creep models (i.e. Model Code 1999, Model Code 2010, B3, B4, and B4s models) are used under considerations of the historical and future climatic conditions in Sweden to assess the long-term creep coefficient and the subsequent stress redistribution of an axially loaded column. While some creep models show similar percentage increases in the long-term creep coefficient in all Swedish counties, other creep models show higher percentage increase values for northern than for southern counties. The highest increase in the end-of-century creep coefficient is found using models B4 and B4s (e.g. over 40% increase is possible for northernmost Sweden, i.e. Norrbotten county, under RCP8.5). Furthermore, the current article also shows that the end-of-century creep coefficient is more sensitive to uncertainties not related to the climate (i.e. parameter and creep modelling uncertainties) than to climate uncertainty.
- Lund University Sweden
- Mansoura University Egypt
Composite material, Mechanics and Transport in Unsaturated Soils, Statistics, Structural engineering, Geology, FOS: Earth and related environmental sciences, Creep, Oceanography, Environmental science, Materials science, Seismic Engineering and Ground Motion Analysis, Geotechnical engineering, Engineering, Mechanisms and Mitigation of Autogenous Shrinkage in Concrete, Physical Sciences, FOS: Mathematics, Climate change, Structural Dynamics, Mathematics, Civil and Structural Engineering, Probabilistic logic
Composite material, Mechanics and Transport in Unsaturated Soils, Statistics, Structural engineering, Geology, FOS: Earth and related environmental sciences, Creep, Oceanography, Environmental science, Materials science, Seismic Engineering and Ground Motion Analysis, Geotechnical engineering, Engineering, Mechanisms and Mitigation of Autogenous Shrinkage in Concrete, Physical Sciences, FOS: Mathematics, Climate change, Structural Dynamics, Mathematics, Civil and Structural Engineering, Probabilistic logic
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).7 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 10%
