SUBSIDENCE OF REINFORCED GRAVEL MATS PLACED OVER A SINKHOLE

compacted gravel mats, provided with sheets of geosynthetic reinforcememenets are oftten used in areas prone to the occurrence of sinkholes. See for exampel Bonapart and Berg(1987) and Giroud et al(1988) the purpose of the geotextile reinforcements is to bridge over the cavities formed by the sinkholes.