Evaluation of the erodibility of sand infill in synthetic turf using flume testing
Open Access
Author:
Tang, Chih Chun
Graduate Program:
Civil Engineering
Degree:
Master of Science
Document Type:
Master Thesis
Date of Defense:
November 02, 2022
Committee Members:
Patrick Fox, Program Head/Chair Ming Xiao, Thesis Advisor/Co-Advisor Xiaofeng Liu, Committee Member Roberto Fernández, Committee Member
Keywords:
erosion control erosion control blanket RECP rolled erosion control product scour sediment soil loss
Abstract:
This research evaluates the erodibility of sand infill in synthetic turfs using flume testing. A large flume testing was conducted on five synthetic turfs using three different sand infill materials at two different slopes of 10% and 30%. In each flume test, four flow rates of 100, 200, 300, and 400 gpm are used; each flow lasts 30 minutes. In each flume test with a certain flow rate, average water depth, flow velocity, Manning's coefficient, bed shear stress, the cumulative cut volume of eroded material, cumulative Clopper Soil Loss Index (CSLI), and cumulative eroded mass of sediment are quantified. The soil mobilization is expressed using either cumulative soil loss in mass or cumulative CSLI. Cumulative soil loss in mass and cumulative CSLI vs. average flow velocity and bed shear stress are presented. The limiting hydraulic shear stress and velocity for the three sand infills on each synthetic turf are determined.
