... aggregate, recycled asphalt pavement, foundry sand, and recycled asphalt shingle). Upon completion of the LTF tests, grain size analyses, permittivity tests, image analyses, and piping measurements were conducted to investigate the clogging and retention behavior of the geotextiles. The results indicated...

... experimental design was used to evaluate the effects of flow rate, packing scheme (in-plane or cross-plane) and location within the column on iron retention. The polypropylene mat achieved an iron density of 86 mg Fe/g medium of material and retained 73% of this coating after being subjected to hydraulic flows...

... retention in PVC geomembranes. Finally, it is recommended that a minimum average plasticizer molecular weight of 400 be used to ensure long-term plasticizer retention and adequate field performance of PVC geomembranes. The weighted-average method for calculating the average molecular weight is recommended...

... is necessary. A laboratory testing programme was conducted to evaluate the retention performance of geotextiles with fly ash and bottom-sea dredged sediments. The results indicated that both fly ash and dredged sediments could be successfully retained by a variety of woven geotextiles and nonwoven/woven...

...A.B. Fourie; S.M. Kuchena Laboratory tests to determine the permeability and retention characteristics of soil-geotextile systems are usually carried out with the geotextile in an unstressed state. A limited amount of work has been done on the effect of a compressive stress applied normal...