نتایج جستجو برای: concrete face rockfill dam
تعداد نتایج: 250370 فیلتر نتایج به سال:
The study of seismic behavior of concrete dams has been considered by many researchers due to the importance of dam safety during earthquakes. Because the destruction of these structures by earthquakes can have adverse economic and social effects. On the other hand, predicting the behavior of concrete dams during an earthquake is one of the most complex and difficult issues in structural dynami...
In this paper, we consider the numerical justification of possibility to construct a low-cement content concrete gravity dam as an alternative traditional solution with rockfill in Pskem HPP canyon on river Uzbekistan Republic. The calculation studies were performed using finite element method (FEM), considering non-linear (elastoplastic) behavior and foundation rock ANSYS software package. Sei...
Expansions in concrete dams may be caused by chemical or physical sources; however in certain occasions the evidences observed in the dam may not be attributed to a single cause. Mequinenza is an example of a concrete dam affected by expansions and high non-recoverable displacements that cannot be explained by the most frequent pathologies. This paper presents new hypotheses that could justify ...
detention rockfill dams are an easy and common tool for flood control. due to their coarse pores, the flow in void spaces is turbulent and non-darcy. different relationships introduced by researchers are used to define the hydraulics of the flow within the rockfill materials. the present research is aimed at gaining a better understanding of the differ-ence among these relationships and the sou...
The effect of solar radiation on thermal distribution in thin high arch dams is investigated. The differential equation governing thermal behavior of mass concrete in three-dimensional space is solved applying appropriate boundary conditions. Solar radiation is implemented considering the dam face direction relative to the sun, the slop relative to horizon, the region cloud cover, and the surro...
In this research, a deep explosion in the reservoir of a concrete gravity dam has simulated by the coupled Euler –Lagrange finite element method. The validity of explosion hydrodynamics pressure has compared with Taylor empirical formula. The surface sloshing not considered due to deep explosion. The dam and its retained water excited by detonating large explosive charges in deep water upstrea...
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