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Bulunan: 6 Adet 0.002 sn
Erişime Açık

Seismic performance of shallow depth tuned liquid damper

Ali BOZER

Tuned Liquid Dampers (TLD) consist of a container that is generally partially filled with water. When the sloshing frequency of the water mass is tuned to the fundamental mode of the primary structure a significant amount of sloshing and wave breaking can be achieved which are the primary sources of energy dissipation. Although TLDs are easy to install, operate and maintain; it is generally challenging to model the nonlinear nature of sloshing water. Equivalent mechanical models provide a simplified solution in which sloshing liquid mass, liquid damping, and sloshing frequency are represented ...Daha fazlası

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Behaviors of rural structures during destructive earthquakes

Mehmet HASNALBANT

This article deals with the results of the research on the behaviors of the rural buildings made up of local materials during earthquakes. This article reveals the mechanical properties of masonry detected based on experimental research results on wall samples made of local materials such as mud bricks, clay and straw mixture, rubble stones and limestones cut in standard sizes. In addition, the constructive measures prepared for the earthquake resistance of rural structures and the application techniques of these buildings in common construction are also generalized in this article.

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Effıcıent use of renewable energy sources: Pumped storage hydroelectrıc power plants

Alper AYDEMİR | Tefaruk HAKTANIR

High world population and steadily rising needs of modern life increase the dependency on energy, but the existing energy sources are insufficient to meet this energy demand. Renewable energy sources could be used as essential energy sources. But efficiencies of these resources are relatively lower than the fossilbased fuels. Pumped Storage projects are designed according to the principle of pumping water to a higher elevation at times of low costs due to low demands for electric energy which is later used for generation of hydro-electric energy during peak energy demand hours. Energy consumed ...Daha fazlası

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Integration of pumped storage hydropower plant to Çamlıgöze dam

Alper AYDEMİR | Tefaruk HAKTANIR

Water is the main life source for almost all species on earth. A steady supply of water is generally provided by storage systems. While having a large hydropower potential, giving less importance on water based energy sources creates a gap between potential and existing production. Turkey could use hydropower facilities with higher efficiency. For this purpose, tangible benefits could be increased by making existing dams produce more electricity. In general the common purpose of almost all of pumped storage facilities is to store energy for use during peak demand periods when generally base-lo ...Daha fazlası

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The effects of cross sectional dimensions on the behavior of l-shaped rc structural members

Mehmet HASNALBANT

The behavior of L-Shaped RC (reinforced concrete) shear walls was investigated in the Erciyes University Earthquake Investigation Laboratory under the influence of constant axial load together with reversed cyclic lateral load. The objective of this study was to evaluate the effects of cross sectional dimensions on the behavior of L-shaped structural members and to assess their earthquake performance. In order to investigate L-shaped RC structural members, the special experiment setup and four type of 1/2 scaled specimens which have different aspect ratio were constructed. The specimens were l ...Daha fazlası

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Discharge coefficients for radial-gated ogee spillways by laboratory data and by design of small dams

Tefaruk HAKTANIR

Using the measured data on 15 laboratory models in USA, six models and one prototype in Turkey, the discharge coefficients (C’s) of radial-gated ogee spillways for various gate openings and lake water surface elevations are computed. Comparison of these C’s for 22 spillways with the ones given by Figure 9-31 of Design of Small Dams does not show close agreements. It is determined that C depends on both the angle Ɵ and the ratio d/H1, rather than Ɵ only where d and H1 are the gate opening and the upstream head, and statistically significant regression equations are computed individually for eac ...Daha fazlası

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