Report on the structural damage around of Valiabad qanat area in Qharchack City

Description

Report on the structural damage around of Valiabad qanat area in Qharchack City Abstract Following of a formal invitation, from Disaster relief committee of Tehran province to evaluate potential hazard, in relation to forming cracks in the Valiabad Boulevard (Qharchack City in Tehran province). A team from geological survey of Iran, Engineering Geology group, visited the area. The primary cracks in the area according to local people has been shaped since 1380 (2002). The main causes for this phenomenon may be as follow: -   The sensitive soil  (mostly clay ) -   The effect of shallow seepage ( mainly due to septic well ) -    The vibration has been caused by train movement -    Underground excavation  ( For maintenance of Valiabad qanat )