TY - JFULL AU - Bahar Razavi and Mansour Parehkar and Ali Gholami PY - 2011/12/ TI - Investigation on Pore Water Pressure in Core of Karkheh Dam T2 - International Journal of Civil and Environmental Engineering SP - 538 EP - 542 VL - 5 SN - 1307-6892 UR - https://publications.waset.org/pdf/15994 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 59, 2011 N2 - Pore water pressure is normally because of consolidation, compaction and water level fluctuation on reservoir. Measuring, controlling and analyzing of pore water pressure have significant importance in both of construction and operation period. Since end of 2002, (dam start up) nature of KARKHEH dam has been analyzed by using the gathered information from instrumentation system of dam. In this lecture dam condition after start up have been analyzed by using the gathered data from located piezometers in core of dam. According to TERZAGHI equation and records of piezometers, consolidation lasted around five years during early years of construction stage, and current pore water pressure in core of dam is caused by water level fluctuation in reservoir. Although there is time lag between water level fluctuation and results of piezometers. These time lags have been checked and the results clearly show that one of the most important causes of it is distance between piezometer and reservoir. ER -