One of the major issues in dam construction is water seepage, post impounding. Assessment and prediction of the amount of waterleakage can be useful in preventing such events. The Seymareh dam has been constructed on the Seymareh River in Ilam province,Southwest of Iran. The dam controls the floods and generates hydroelectric power. It is already under impoundment and the seepageproblem is bein...

Dams have been always considered as the important infrastructures and their critical values are counted. Hence, evaluation and avoidance of dams’ destruction have a specific importance. Seepage occurrence in dams is an inevitable phenomenon. Despite all the progress in geotechnical engineering, up to now, seepage problem is the main conflict which occurs in dams. This study tried to estimate se...

In this paper, a mesh-free approach called smooth particle hydrodynamics (SPH) is proposed to analyze the seepage problem in porous media. In this method, computational domain is discredited by some nodes, and there is no need for background mesh; therefore, it is a truly meshless method. The method was applied to analyze seepage flow through a concrete dam foundation. Using the SPH method, the...

Particle Image Velocimetry was used to gather detailed measurements of flow characteristics beneath a simulated ice jam formed from floating polyethylene pellets. Contours and profiles for mean velocities turbulence statistics were presented three test conditions using constant Froude number 0.075 varied upstream water depths 60, 100, 150 mm. These demonstrated the acceleration under thickening...

a novel discrete singular convolution (dsc)  formulation  is  presented for the seepage analysis in irregular geometric porous media. the dsc is a new promising numerical approach which has been recently applied to solve several engineering problems. for a medium with regular geometry, realizing of the dsc for the seepage analysis is straight forward. but dsc implementation for a medium with ir...

Groundwater flow has a negative impact on the artificial freezing project, especially when salt content of groundwater is high, it will change thermophysical properties, which isn’t conducive to formation frozen wall. In this paper, changes in temperature and seepage fields during wall under saline were studied. By established seepage-freezing hydrothermal coupling calculation model, combined w...

Submarine groundwater discharge can significantly influence the near shore transport of chemicals into surface waters. Quantification of the sources and rates of such discharge is critical to development of management strategies. Quantification requires a groundwater seepage meter that provides continuous measurements at high resolutions over an extended period of time. An ultrasonic flow meter...

Most of the hydraulic structures are founded on permeable foundation. There is, however, no procedure to fix the basic barrage parameters, which are depth of sheet piles/cutoffs and the length and thickness of floor, in a cost-effective manner. Changes in hydrological and climatic factors may alter the design seepage head of the hydraulic structures. The variation in seepage head affects the do...

Abstract Backward erosion piping (BEP) is a form of internal which can lead to failure levees and dams. Most research focused on the critical head difference at occurs. Two aspects have received less attention, namely (1) temporal evolution (2) local hydraulic conditions in pipe tip. We present small-scale experiments with pressure measurements during equilibrium progression for different sands...