Sürdürülebilir Kalkınma Amaçları

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Yazarlar

• Araz, Onur(12)
• Cakir, Tufan(7)
• Ozturk, Kasif Furkan(6)
• Kaya, Dilek(3)
• Livaoglu, R.(2)
• Alibabaei Shahraki, Mohammad(1)
• Altundaş, Suna(1)
• Cinar, T.(1)
• Dag, Serhat(1)
• Dogangun, A.(1)
• Elias, Said(1)
• Erdik, M.(1)
• Feyza Kablan(1)
• Goksu, C.(1)
• Ilki, A.(1)
• Kablan, Feyza(1)
• Kaşif Furkan Öztürk(1)
• Noroozinejad Farsangi, Ehsan(1)
• Ozyurt, Emre(1)
• Selahattin Kurt(1)
• Tanış, Abdulsamed(1)
• Çakir, Tufan(1)

• MakaleYalnız künye2014Scopus SJRQ2/r/gumushane/15496
  Influence of wall flexibility on dynamic response of cantilever retaining walls

  Cakir, Tufan

  A seismic evaluation is made of the response to horizontal ground shaking of cantilever retaining walls using the finite element model in three dimensional space whose verification is provided analytically through the modal analysis technique in case of the assumptions of fixed base, complete bonding behavior at the wall-soil interface, and elastic behavior of soil. Thanks to the versatility of the finite element model, the retained medium is then idealized as a uniform, elastoplastic stratum of constant thickness and semi-infinite extent in the horizontal direction considering debonding behavior at the interface in order to perform comprehensive soil-structure interaction (SSI) analyses. The parameters varied include the flexibility of the wall, the properties of the soil medium, and the characteristics of the ground motion. Two different finite element models corresponding with flexible and rigid wall configurations are studied for six different soil types under the effects of two different ground motions. The response quantities examined incorporate the lateral displacements of the wall relative to the moving base and the stresses in the wall in all directions. The results show that the wall flexibility and soil properties have a major effect on seismic behavior of cantilever retaining walls and should be considered in design criteria of cantilever walls. Furthermore, the results of the numerical investigations are expected to be useful for the better understanding and the optimization of seismic design of this particular type of retaining structure.

  AtıfScopus16·WoS16·OpenAlex18

  İncele
• MakaleYalnız künye2008Scopus SJRQ1/r/gumushane/15832
  Investigation of seismic behavior of fluid-rectangular tank-soil/foundation systems in frequency domain

  Livaoglu, R.

  Main purpose of this study is to evaluate the dynamic behavior of fluid-rectangular tank-soil/foundation system with a simple and fast seismic analysis procedure. In this procedure, interaction effects are presented by Housner's two mass approximations for fluid and the cone model for soil/foundation system. This approach can determine; displacement at the height of the impulsive mass, the sloshing displacement and base forces for the soil/foundation system conditions including embedment and incompressible soil cases. Models and equations for proposed method were briefly explained for different tank-soil/foundation system combinations. By means of changing soil/foundation conditions, some comparisons are made on base forces and sloshing responses for the cases of embedment and no embedment. The results showed that the displacements and base shear forces generally decreased, with decreasing soil stiffness. However, embedment, wall flexibility, and soil-structure interaction (SSI) did not considerably affect the sloshing displacement.

  AtıfScopus78·OpenAlex75

  İncele
• MakaleYalnız künye2007Scopus SJRQ1/r/gumushane/14930
  Effect of foundation embedment on seismic behavior of elevated tanks considering fluid-structure-soil interaction

  Livaoglu, R.; Dogangun, A.

  This paper investigates the effects of foundation embedment on the seismic behavior of fluid-elevated tank-foundation-soil system with a structural frame supporting the fluid containing tank. Six different soil types defined in the well-known seismic codes were considered. Both the sloshing effects of the fluid and soil-structure interaction of the elevated tanks located on these six different soils were included in the analyses. Fluid-elevated tank-foundation-soil systems were modeled with the finite element (FE) technique. The fluid-structure interaction was taken into account using Lagrangian fluid FE approximation implemented in the general purpose structural analysis computer program, ANSYS. FE model with viscous boundary was used to include elevated tank-foundation-soil interaction effects. The models were analyzed for the foundations with and without embedment. It was found that the tank roof displacements were affected significantly by the embedment in soft soil, however, this effect was smaller for stiff soil types. Except for soft soil types, embedment did not affect the other response parameters, such as sloshing displacement, of the systems considered in this study.

  AtıfScopus116·OpenAlex109

  İncele