Model assessment of protective barrier designs

Permanent isolation surface barrier development plan

“…Specific objectivesof wind, or eolian, erosion studies in support of natural-materialprotectivebarriers are (I) to contributeto the design of a surface layer that will protect the fine-soil reservoirduring periods of extreme climatic stress, (2) to investigatethe erosive mechanisms and impacts of wind and sand on soil and armored surfaces, (3) to develop a predictive model of erosion and deflationfor the barrier surface, and (4) to contribute to the design and monitoringof prototype and actual waste site barriers. These objectivesare being met by studying the surface characteristics; climate and meteorologicalconditions;and normal and extreme, wind and sand erosive stresses present or possible in the field.…”

Model assessment of protective barriers: Part 3

“…The particle sizes of the sand separates ranged from 0.5 to 1.0 mm and 0.25 to 0.5 mmin diameter, respectively. The gravel parameters were fitted to the estimated gravel properties reported by Fayer et al (1985), whose predicted gravel conductivities were similar to measured values reported by Miller and Bunger (1963).…”

“…(Lu, Phillips, and Adams 1982;Fayer et al, 1985;Fayer 1987) and a test plan was produced (Fayer 1990). The simulation work reported here was conducted by PNL and extends the previous modeling work.…”

“…The hydraulic properties of the coarse sand and gravel were described using the van Genuchten water retention and Burdine hydraulic conductivity properties (Fayer et al 1985).…”

Passive Barriers to Inadvertent Human Intrusion for Use at the Nevada Test Site

“…Barrier mounds are discussed at length in Adams et al (1981), Fayer et al (1985), and Phillips and Hartles (1986). …”