Improvements in small-scale standardized testing of geotextiles used in silt fence applications

Whitman, J. Blake; Zech, Wesley C.; Donald, Wesley N.

doi:10.1016/j.geotexmem.2019.04.002

Cited by 10 publications

(19 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…SBs, commonly referred to as perimeter controls, envelop disturbed areas as a last line of defense before site discharge. SB projects at AU-SRF have ranged from small- to large-scale testing ( 2 , 6 , 12 , 14 – 19 , 23 , 24 , 29 ).…”

Section: Erosion and Sediment Control Researchmentioning

confidence: 99%

“…Data collection indicated that flow rates were 43% lower for nonwoven than woven geotextiles and had average sediment retention of 97% and 91%, respectively. Water quality analyses indicated that, during flow, 46% of turbidity reduction occurs as a result of sedimentation, whereas turbidity reduction during dewatering occurs through filtration (19%) ( 24 ).…”

Section: Erosion and Sediment Control Researchmentioning

confidence: 99%

See 1 more Smart Citation

Decade of Research in Review at the Auburn University Stormwater Research Facility

Schussler

Perez

Donald

et al. 2022

Transportation Research Record: Journal of the Transportation R

View full text Add to dashboard Cite

Sediment remains one of the most commonly occurring pollutants affecting the U.S.’s water bodies, as identified by the United States Environmental Protection Agency (USEPA) ( 1). Construction activities largely accelerate soil erosion and subsequent sediment deposition. The National Pollutant Discharge Elimination System Construction General Permit requires construction operators to implement erosion and sediment control (E&SC) plans to minimize downstream implications from sediment-laden discharge. However, E&SC practices are often designed from “rules of thumb” and lack scientific, performance-based evidence in their design and implementation. The Auburn University Stormwater Research Facility (AU-SRF), previously the Auburn University Erosion and Sediment Control Testing Facility (AU-ESCTF), is an outdoor research center dedicated to evaluating E&SC practices and products commonly used on highway construction projects. Large-scale test apparatuses and methods at AU-SRF are designed to mimic construction site conditions, including rainfall, flow rates, topography, and soil characteristics, to evaluate existing and novel E&SC practices. Since its inception in 2008, AU-SRF has provided small-, medium-, and large-scale testing evaluations for numerous Departments of Transportation and product manufacturers. Findings from controlled testing have continued to inform the selection, design, implementation, and maintenance of E&SC practices used on construction sites and protect downstream waters and infrastructure. In the first decade, AU-SRF has directed 13 research projects and produced more than 30 peer-reviewed publications and 100 professional presentations. As AU-SRF grows into its second decade and efforts reach outside of the southeastern region, the mission to advance knowledge through E&SC research and development, product evaluation, and training remains constant. This review synthesizes the research produced from large-scale testing at AU-SRF to date and presents ongoing projects.

show abstract

Section: Erosion and Sediment Control Researchmentioning

confidence: 99%

Section: Erosion and Sediment Control Researchmentioning

confidence: 99%

Decade of Research in Review at the Auburn University Stormwater Research Facility

Schussler

Perez

Donald

et al. 2022

Transportation Research Record: Journal of the Transportation R

View full text Add to dashboard Cite

show abstract

“…After harvesting, sediment traps were immediately installed at three locations (US, BT, and CT) to collect sediment yields. Sediment traps were made of synthetic geotextile fabric with small openings (ranging from 0.3 to 0.8 mm) to hold soil particles (Bugg et al, 2017;Whitman et al, 2019). The traps can retain an average of 83% of sediments and soil eroded from the upslope contributing area (Bugg et al, 2017;Whitman et al, 2019).…”

Section: Silt Fence Measurement and Model Performance Evaluationmentioning

confidence: 99%

“…Sediment traps were made of synthetic geotextile fabric with small openings (ranging from 0.3 to 0.8 mm) to hold soil particles (Bugg et al, 2017;Whitman et al, 2019). The traps can retain an average of 83% of sediments and soil eroded from the upslope contributing area (Bugg et al, 2017;Whitman et al, 2019). This technique can be inexpensive data recording method and easy to install (Robichaud and Brown, 2002).…”

Section: Silt Fence Measurement and Model Performance Evaluationmentioning

confidence: 99%

Assessment of Soil Erosion Potential From the Disturbed Surface of Skid Trails in Small Shovel Harvesting System

Lee

Eu²,

Li³

2022

Front. Environ. Sci.

View full text Add to dashboard Cite

Forest roads, haul roads, and especially skid trails have been associated with sedimentation and soil erosion risk. Despite the widespread small shovel harvesting system on steep terrains in South Korea, the subsequent risks of deep (rut depth >5 cm) and compact disturbances, and erosion rates in skid trails are largely unknown. Therefore, the main objectives of this study were to compare the soil erosion rate in each skid trail and predict the total soil erosion rate in a small shovel harvesting area. The soil erosion rate was measured at the plot scale (5 × 3 m) in different skid trail parts (bladed skid trail by small-shovel loader passage, BT; and compacted skid trail CT by carrier passage with construction by a small-shovel loader) using a silt fence experiment. In addition, we investigated the applicability of the Water Erosion Prediction Project (WEPP) model to each disturbance. Among all disturbances, the highest erosion rate (average value of 9.13 ± 0.96 kg m−2 4 months−1) was because of CT. The model predictions were over- and under-estimated and showed particularly poor performance where uncovered soil was exposed (less than 1%) to high machine traffic frequency and excavation. Further, the annual soil erosion rates ranged from 11.59 to 28.94 ton ha−1 year−1. The results suggested that the WEPP model could partially validate the soil erosion results, and further research is still required to improve the accuracy of the model.

show abstract

“…Sediment barriers, sediment basins, construction exit pads, surface roughening, temporary mulching, seeding, erosion control blankets, check dams, and inlet protection practices are some examples of common E&SC practices. However, traditional E&SC practices are not sufficient in removing fine-sized particles, which are difficult to remove from suspension and contribute to turbidity plumes (10)(11)(12)(13). Typically, detention-based practices such as sediment basins and traps are used to capture these fine-graded particles.…”

mentioning

confidence: 99%

State-of-the-Practice Review on the Use of Flocculants for Construction Stormwater Management in the United States

Kazaz

Perez

Donald

2021

Transportation Research Record: Journal of the Transportation R

View full text Add to dashboard Cite

Construction stormwater practices have a vital role in protecting downstream water bodies from runoff that is typically characterized with large amounts of sediment and suspended solids. Most sediment control practices lack the capability to capture fine-sized soil particles that are responsible for causing elevated turbidity. Flocculation is a form of chemical treatment that uses flocculant particles as a binding bridge to form larger particles to enhance the gravitational settling process. The use of flocculants provides promising results for removing fine particles and treating construction stormwater. This study provides a comprehensive review of flocculants and their applications in construction stormwater treatment in the U.S. The study presents a literature review and results of a state-of-the-practice survey distributed to state departments of transportation. Results from 37 participating state agencies and data from specifications and design manuals for non-participating agencies were compiled to develop a comprehensive understanding of current uses and perceptions. Results indicated that 39% of state agencies currently use flocculants on construction sites. Within that, 54% of the state agencies rely on manufacturer guidance for dosage and application rates and only 23% require monitoring residual flocculant in downstream receiving waters. The potential risk of polluting downstream water bodies because of overdosage of flocculants related to inadequate application rates and techniques is the main concern of the state departments of transportation on flocculant usage. Understanding the perspective of the state agencies on flocculants will provide an insight into future research agendas for extending the use of flocculants in construction stormwater management.

show abstract

Improvements in small-scale standardized testing of geotextiles used in silt fence applications

Cited by 10 publications

References 12 publications

Decade of Research in Review at the Auburn University Stormwater Research Facility

Decade of Research in Review at the Auburn University Stormwater Research Facility

Assessment of Soil Erosion Potential From the Disturbed Surface of Skid Trails in Small Shovel Harvesting System

State-of-the-Practice Review on the Use of Flocculants for Construction Stormwater Management in the United States

Contact Info

Product

Resources

About