Browsing Makale Koleksiyonu by Author "Çağlar, Naci"

Now showing items 1-20 of 21

A new approach to determine the base shear of steel frame structures

Çağlar, Naci; Elmas, Muzaffer; Mercan Eryılmaz, Dilek (ELSEVIER SCI LTD, 2009)

Base shear (V) is the maximum lateral force that will occur due to seismic ground motion at the base of a structure. Calculations of base shear depend on a lot of factors such as soil conditions, level of ductility, ...
A new approach to determine the moment-curvature relationship of circular reinforced concrete columns

Çağlar, Naci; Demir, Aydın; Öztürk, Hakan; Akkaya, Abdulhalim (TECHNO-PRESS, 2015)

To be able to understand the behavior of reinforced concrete (RC) members, cross sectional behavior should be known well. Cross sectional behavior can be best evaluated by moment-curvature relationship. On a reinforced ...
A parametric study for distortional buckling stress on cold-formed steel using a neural network

Çağlar, Naci (ELSEVIER SCI LTD, 2007)

The process of prediction of distortional buckling stress of cold-formed steel members is often cumbersome and it is also difficult to perform parametric studies in this field to investigate the effect of geometric parameters ...
A simple formulation for effective flexural stiffness of circular reinforced concrete columns

Çağlar, Naci; Demir, Aydın; Öztürk, Hakan; Akkaya, Abdulhalim (PERGAMON-ELSEVIER SCIENCE LTD, 2015)

In this study, a simple formula as a securer, quicker and more robust is proposed to determine the effective flexural stiffness of cracked sections of circular RC columns. This formula is generated by genetic programming ...
Design of a short tensile coupon for fiber reinforced plastic using artificial neural networks

Sarıbıyık, Mehmet; Çağlar, Naci; Fırat, Seyhan (WALTER DE GRUYTER GMBH, 2005)

The measurement of the mechanical properties of Fibre Reinforced Plastic (FRP) material is necessary for numerical structural analysis and design. The mechanical properties of the FRP materials may be determined by specific ...
Development of artificial neural network for prediction of salt recovery by nanofiltration from textile industry wastewaters

Eren, Beytullah; İleri, Recep; Doğan, Emrah; Çağlar, Naci (TAYLOR & FRANCIS INC, 2012)

This paper presents the use of artificial neural network (ANN) to develop a model for predicting rejection rate (R-o) of single salt (NaCl) by nanofiltration based on experimental datasets. The rejection rates of NaCl were ...
Dynamic soil-structure interaction analysis of buildings by neural networks

Çağlar, Naci; Elmas, Muzaffer; Sarıbıyık, Mehmet (ELSEVIER SCI LTD, 2008)

In this study, neural networks (NN), which have been widely applied to engineering problems, have been applied to soil-structure interaction (SSI) problems. In the modelling of the NN, the back propagation algorithm has ...
Effectiveness of diagonal shear reinforcement on reinforced concrete short beams

Öztürk, Hakan; Çağlar, Naci; Demir, Aydın (TECHNO-PRESS, 2019)

In the study, an experimental and numerical study is performed to investigate the efficiency of diagonal shear reinforcement (DSR) on reinforced concrete (RC) short beams. For this purpose, 7 RC short beam specimens were ...
Failure analysis of reinforced concrete frames with short column effect

Çağlar, Naci (TECHNO-PRESS, 2009)

Short column effect is cause to failure of columns which may result in severe damages or even collapse during earthquakes. The scope of the study is mainly to reveal the effect of short column on the holistic behaviour of ...
Flexural strengthening of RC Beams with low-strength concrete using GFRP and CFRP

Sarıbıyık, Ali; Çağlar, Naci (TECHNO-PRESS, 2016)

The Turkish Earthquake Code was revised in 1998 and 2007. Before these Codes, especially 1998, reinforced concrete (RC) beams with low flexural and shear strength were widely used in the building. In this study, the RC ...
Forecasting based on neural network approach of solar potential in Turkey

Çağlar, Naci (PERGAMON-ELSEVIER SCIENCE LTD, 2005)

As Turkey lies near the sunny belt between 36 and 42 degrees N latitudes, most of the locations in Turkey receive abundant solar energy. Average annual temperature is 18-20 degrees C on the south coast, falls down to 14-16 ...
Neural network based approach for determining the shear strength of circular reinforced concrete columns

Çağlar, Naci (ELSEVIER SCI LTD, 2009)

The objective of this study is to investigate the adequacy of neural networks (NN) as a quicker, more secure and more robust method to determine the shear strength of circular reinforced concrete columns. In the application ...
Neural network based model for seismic assessment of existing RC buildings

Çağlar, Naci (TECHNO-PRESS, 2013)

The objective of this study is to reveal the sufficiency of neural networks (NN) as a securer, quicker, more robust and reliable method to be used in seismic assessment of existing reinforced concrete buildings. The NN ...
Neural networks in 3-dimensional dynamic analysis of reinforced concrete buildings

Çağlar, Naci; Elmas, Muzaffer; Yaman, Zeynep; Sarıbıyık, Mehmet (ELSEVIER SCI LTD, 2008)

The objective of this study is to investigate the adequacy of Artificial Neural Networks (ANN) as a securer, quicker and more robust method to determine the dynamic response of buildings in 3D. For this purpose, two ANN ...
Nonlinear finite element study on the improvement of shear capacity in reinforced concrete T-Section beams by an alternative diagonal shear reinforcement

Demir, Aydın; Çağlar, Naci; Öztürk, Hakan; Sümer, Yusuf (ELSEVIER SCI LTD, 2016)

The numerical results demonstrate that there is a significant increase in shear and ductility capacity of RC beams when proposed DSR is included. Moreover, with an increase in diameter and yield strength of DSR, the shear ...
Numerical evaluation of core concrete quality on the response of concrete jacketed columns

Çağlar, Naci; Halil Sezen; Muhammed Nadir Olabi (PONTIFICIA UNIV CATOLICA CHILE, ESCUELA CONSTRUCCION CIVIL, 2019)

Reinforced concrete jacketing is one of the most frequently used methods for strengthening of reinforced concrete (RC) columns. A large number of experimental studies have been carried out to investigate the effectiveness ...
October 23, 2011 Turkey/Van-Ercis earthquake: structural damages in the residential buildings

Çelebi, Erkan; Aktaş, Muharrem; Çağlar, Naci; Özocak, Aşkın; Kutanis, Mustafa; Mert, Necati; Özcan, Zeki (SPRINGER, 2013)

On October 23, 2011, a magnitude of Mw 7.2 earthquake struck the Van province in eastern Turkey which caused approximately 600 life loss and 4,000 injured people. Although the recorded peak ground accelerations were ...
Parameters affecting diagonal cracking behavior of reinforced concrete deep beam

Demir, Aydın; Çağlar, Naci; Öztürk, Hakan (2019)
Parameters affecting diagonal cracking behavior of reinforced concrete deep beams

Demir, Aydın; Çağlar, Naci; Öztürk, Hakan (ELSEVIER SCI LTD, 2019)

In this study, an experimental study is performed to investigate the effects of section height (h), ratio of shear span to effective depth (a/d) and compressive strength of concrete (f(c)(')) parameters on diagonal cracking ...
Predicting the compressive strength and slump of high strength concrete using neural network

Çağlar, Naci (ELSEVIER SCI LTD, 2006)

High Strength Concrete (HSC) is defined as concrete that meets special combination of performance and uniformity requirements that cannot be achieved routinely using conventional constituents and normal mixing, placing, ...