Evaluation of active structure effect on subsidence hazard insight to Analytical Hierachy Process

Authors

1 Assistant Professor Geology Department of Urmia university

2 Msc Student of Tectonics, Urmia university Iran

Abstract

     The study area at northwest of Marzan Abad contains typical faults. Considering the role of faults on landslide and subsidence events following that disaster of civil structures especially electricity pylons of this region, the subsidence potential map and capability of subsidence as result of tectonic structures were evaluated. Based on the trend of faults at this region (F1 to F9), conclude that F1 to F5 faults are synthetic and show gouge along the fault zones. F6 and F7 faults are between thick bedded limestone at the northern and southern parts. The fault of F8 at NE-SW trend, contains fault breccia has been caused unstability and landslide at the main road. The shear zone of F9 fault is wide and composed of several faults made unstability of pylons. AHP (Analytical Hierachy Process) defines that geologolical processes, e.g., joints and fracture faults have caused the failure surfaces and also unstability. Field studies, DEM maps, dip and drainage patterns, and also subsidence hazard map have been cleared that the southern parts are more risky than the other parts then the civil structures should be displaced. This study can be used to improve structures in danger of slipping and average subsidence and displacement of structures that are in high-risk areas, to be used. Therfore with using of methods discribed in this paper, we can avoid to contructing of structure in the high risk zone.
 

Keywords

References

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Advanced Applied Geology
Volume 7, Issue 2
July 2017
Pages 49-56

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