Abstract
The purpose of this study is to determine the most suitable remediation techniques for an active landslide area in Turkey, using a geological engineering assessment of a re-activated landslide that occurred during the construction of the Artvin-Savsat Junction on the Meydancik Provincial Road, at Km: 12 + 200. For this, the geotechnical parameters of the mobilized geological material—which is colluvium along the sliding surface—were determined by back analyses of the landslide at three geological sections. The landslide was then modeled along the most representative section of the study area by considering its mechanism, the parameters determined from the geotechnical investigations, the size of the landslide, and the location of the slip circle. In addition, pseudo-static stability analyses were performed comprising the earthquake potential of the site. The most suitable slope remediation technique was decided using the surface and subsurface conditions. The shear strength parameters were specified as c = 0 kPa and ϕ = 10° for the landslide material and pre-stressed anchoring was considered as a remediation method.
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