Soil reinforcement applications

John, N. (1987), Paulson geosynthetic material and physical properties relevant to soil reinforcement applications. Geotextiles and Geomembranes, 6,211-212. 

The grab tensile test uses a GTX specimen whose width is considerably greater than the width of the grips of the tensile testing machine. Under the conditions of test, it is impossible to approximate plane strain conditions hence this test method has no relevance to GTX used for soil reinforcement applications. 

Perkins, S.W., Bowders, J.J., Christopher, B.R., Berg, R.R., 2005a. Geosynthetic reinforcement for pavement systems US Perspectives, Proceedings of the Conference GeoFrontiers, Geotechnical Special Publication 141, International Perspectives on Soil Reinforcement Applications, ASCE, Austin, Texas. 

Puncture resistance In soil reinforcement applications, there is need for an assessment of geotextile resistance to objects such as stones and stumps under quasistatic conditions. 

In soil reinforcement applications, the common assumption is that the movement of the interface in the field cannot go beyond the deformation needed to mobUize peak strength. Hence peak values are used, so that traditional FS values can generally be used. 

The robust nature of earthwork constructions is likely to make material damage a more significant factor for soil reinforcement than for other applications of polymer materials, and therefore consideration should also be given to possible strength loss caused by installation damage. 

The three primary applications of soil reinforcement using geotextiles are ... 

Alwahab, R. M. and Al-ouma, H. H. (1995), Fiber reinforced cohesive soils for application in compacted earth structures. In Proceedings of Geosynthetics 95, Nashville, Tennessee, Vol. 2, pp. 433 446. 

Geosynthetics with high tensile strength and stiffness such as geogrids, woven tapes/strips are used in reinforcement applications. Examples are reinforced soil walls, reinforced steep slopes, slope repair by reinforced soil, basal reinforcement at the base of embankments on soft ground or embankments over piled foundations, as illustrated in Figure 5.6. 

Carpet waste for soil and concrete reinforcement requires only a simple and inexpensive shredding process. For soil applications, virtually all types of carpet are suitable, and therefore sorting is not necessary. For concrete reinforcement, only nylon and polypropylene carpet should be used. It is also possible to mechanically remove nylon face fibers from a nylon carpet to produce nylon resins and use the less-valuable residual, composed of mostly polypropylene backing, for concrete and soil reinforcement. 

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