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Published on: January 6, 2023
Identifying influencing factors on paved roads silt loading.
Hualiang Teng1, Valerian Kwigizile, David E James
1Department of Civil and Environmental Engineering, Howard R. Hughes College of Engineering, University of Nevada, Las Vegas, NV 89154-4015, USA. teng@egr.unlv.edu
Journal of the Air & Waste Management Association (1995)
|August 11, 2007
Summary
This study identifies key factors influencing roadway silt loading. Implementing curbs, gutters, stabilized shoulders, and managing construction track-out effectively reduces silt on paved surfaces.
Area of Science:
- Environmental Science
- Urban Planning
- Transportation Engineering
Background:
- Quantitative investigation into factors affecting roadway silt loading remains limited.
- Roadway silt can impact air quality and infrastructure.
- Understanding these factors is crucial for effective environmental management.
Purpose of the Study:
- To quantitatively identify factors influencing silt loadings on paved roadways.
- To analyze site-specific characteristics using panel data models.
- To provide recommendations for reducing roadway silt.
Main Methods:
- Utilized quarterly silt loading data from 20 sites in Southern Nevada (2000-2003).
- Employed panel data models to account for site-specific variations.
- Analyzed the correlation between silt loading and roadway characteristics.
Main Results:
- Presence of curbs and gutters, stabilized shoulders, and good pavement conditions significantly decrease silt loadings.
- Construction activities and associated track-out substantially increase roadway silt.
- Roadway features and surrounding activities are significant predictors of silt accumulation.
Conclusions:
- Curbs, gutters, and stabilized shoulders are effective control measures for reducing silt.
- Mitigating construction track-out is essential for minimizing silt.
- Improving pavement conditions contributes to lower silt loadings on roadways.
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