Design of Drilled Shaft with Environmental Impact Considerations: A Parametric Study
Publication: Geo-Congress 2024
ABSTRACT
Excessive use of fossil fuels and environmental pollution caused by the construction industry is a global sustainability problem that needs continuous attention. It is important to consider environmental impacts of geo-structures as early as in the design phase. Life-cycle assessment (LCA) is a standardized methodology for quantifying environmental impacts of a system. In this study, LCA is used to quantify global warming impact of single drilled shafts constructed in sandy soil profiles. Parametric study is conducted to study the effects of (1) soil properties (i.e., critical-state friction angle, relative density, coefficient of earth pressure at rest), (2) design parameters (i.e., applied load and volume of steel reinforcement), and (3) site-specific parameters like the hauling distances of concrete mix, steel reinforcement cage, and construction equipment on the global warming impact of drilled shafts. The results of the LCA parametric study can help designers optimize geotechnical designs with environmental considerations.
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Geo-Congress 2024
Pages: 186 - 195
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Published online: Feb 22, 2024
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