نتایج جستجو برای: dam failure
تعداد نتایج: 384323 فیلتر نتایج به سال:
چکیده ندارد.
Generally, the design of dams and other hydraulic structures is carried out based on deterministic approaches. However, there are many uncertainties in the estimation of different effective parameters in hydraulic structures design. The inherent uncertainties in these parameters necessitate reliability analysis to ensure the structure stability. In this study, after investigating various uncert...
By numerical simulation of the phenomenon of failure of dams and the flow of their flow, it is possible to design more precisely the structures and their location. The purpose of this study was to investigate the wave propagation phenomenon due to the failure of the rocky mortar-watering dam in the Marivan sub-basin of Zarivar in two-dimensional and three-dimensional models using the Fluent mod...
The catastrophic failure of the dam creates to a rapid changes flow depth which causes devastating damage in cultivated land downstream dam. precise calculation its attenuation wave height is critical design protection work for communities. Therefore, this topic aimed present an illustration estimation open channel surges river reaches.
The paper deals with the reliability–based design optimization (RBDO) of concrete gravity dams subjected to earthquake load using subset simulation. The optimization problem is formulated such that the optimal shape of concrete gravity dam described by a number of variables is found by minimizing the total cost of concrete gravity dam for the given target reliability. In order to achieve this p...
Recently high intensity rainfall disaster induces some structural failure of steel pipe open Sabo dam. To prevent such the dam, a new design concept is necessary at severe load exceeding present load. However, influence debris flow impact on dam not clear to make The study experimentally approaches vertical distribution shape and its time history based comparison with wedge approach or front bo...
BACKGROUND Successful restorations in dental patients depend largely on the effective control of moisture and microbes during the procedure. The rubber dam technique has been one of the most widely used isolation methods in dental restorative treatments. The evidence on the effects of rubber dam usage on the longevity of dental restorations is conflicting. Therefore, it is important to summaris...
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