Environmental Design Considerations Using an Equivalency Index between Granular Drainage and Geosynthetic Alternatives
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Civil engineering study of drainage material equivalency; the object is geotechnical design, not research practice.
The study examines drainage design and geosynthetic materials, not research practice.
Civil engineering study of drainage-layer equivalency and environmental benefits of geosynthetics; object is design practice, not research itself.
Abstract
Effective drainage is essential in civil engineering projects, and the design is influenced by the required capacity, inflow rates, and the geometric configuration of the structure. Reduction factors are applied based on material and application. Drainage layers can be granular or geosynthetic, with granular layers using free-draining aggregates and geocomposites comprising non-woven geotextiles and drainage cores or pipes. This study aims to establish equivalency between granular layers and geocomposites in water drainage and gas transport, assuming equal long-term capacity under identical conditions. Despite reduction factors and safety margins, geocomposites significantly reduce drainage layer thickness compared to granular layers. The methodology adopted in this project is to present an equivalency design between granular drainage aggregates and drainage geocomposite and environmental benefit of using geosynthetics as a drainage design solution. This is supported by practical examples and environmental benefits such as reduced aggregate extraction, transportation, greenhouse gas emissions, and construction time for similar or better drainage capacity.
Stored with the screening record, where it is evidence for the labels above.
The record
- Venue
- Topic
- Geotechnical Engineering and Soil Stabilization
- Field
- Engineering
- Canadian institutions
- CTT Group (Canada)
- Funders
- —
- Keywords
- Index (typography)DrainageGeotechnical engineeringEngineeringComputer scienceCivil engineeringWorld Wide WebEcology
- Has abstract in OpenAlex
- yes