Murat Günaydin

Murat Günaydin
Karadeniz Technical University · Department of Civil Engineering

PhD

About

50
Publications
27,575
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319
Citations
Introduction
Murat Günaydin currently works at the Department of Civil Engineering, Karadeniz Technical University, Murat does research in Civil Engineering and Structural Engineering. Their current project is 'The comparison of bolted end-plate and bolted flange-plate steel column-beam connections by performing experimental and finite element analyses'.

Publications

Publications (50)
Article
Full-text available
Structural assessment of a historical building requires many different applications, such as in-situ observations, in-situ measurements such as minor destructive or non-destructive tests and numerical analyses. Minor destructive and non-destructive tests such as ultrasonic tests and ambient vibration tests are used to collect data from the structur...
Article
Full-text available
To determine the dynamic characteristics of bridges with prestressed girders, their natural frequencies and mode shapes used to construct the superstructure must be known. However, there is no agreement among scientists on how prestress force affects the dynamic characteristics of a precast prestressed girder. The purpose of this paper is to obtain...
Article
Full-text available
Engineering software running on object-oriented programming language has been extensively used in structural modeling past 20 years. Taking their ease of use and a large area of utilization into account, these software will be used by engineers. Moreover, a number of these software increases, and many enhancements take place. Considering the develo...
Article
Full-text available
In this paper, modal parameters of the Eynel steel arch highway bridge are identified and the fatigue behavior of the bridge is investigated. Modal parameters were extracted from three ambient vibration tests carried out over the period since the bridge came into service. The bridge became operational in 2009, and experimental measurements were tak...
Article
Since ancient times, shelter has been one of the most basic needs of human beings. This basic need has been tried to be met by using different local materials considering both economic conditions and security understanding. The so-called “Hımış” houses formed by filling the gaps between the timber frames with masonry elements reflect the typical fe...
Article
This study presents the experimental and numerical assessment of natural frequencies and corresponding mode shapes of cross-laminated timber (CLT) beams subjected to a series of damage cases. To this aim, two different cantilever CLT beams consisting of three layers are considered. Damages on the beam are represented by transversal notches (cracks)...
Article
A great number of reinforced concrete building structures were damaged or collapsed during the earthquake that hit Sivrice district of Elazığ city located in the southwest of the Eastern Anatolia Region of Turkey on January 24, 2020. Magnitude of the earthquake were announced as [Formula: see text] and [Formula: see text] by Kandilli Observatory &...
Article
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This paper presents results of an experimental study that focuses on monitoring changes in dynamic characteristics of a damaged and retrofitted two-story reinforced concrete (RC) building model with poor detailing. In the study, ambient vibration tests are performed via four test setup protocols in order to monitor changes in dynamic characteristic...
Article
Cultural heritage buildings are valued in contemporary societies as they reflect the lifestyles and creative achievements our predecessors. For this reason, many countries have introduced regulations to ensure conservation of their historic buildings for the future, permitting minimal changes only to their original structure and characteristics. Th...
Article
The strong shallow earthquake with a moment magnitude (Mw) range between 6.6 and 7.0 according to different sources (AFAD, KOERI and USGS) took place at local time 14:51 on 30th October 2020, in Aegean Sea near Samos Island. According to the data given from Earthquake Department of the Disaster and Emergency Management Presidency (AFAD), the epicen...
Article
Full-text available
On January 24 at 8.55p.m, a major earthquake of moment magnitude Mw = 6.8 struck the Sivrice district of Elazığ, located in the southwest of the Eastern Anatolia region of Turkey. A total of 7429 buildings were severely damaged or collapsed. Unreinforced masonry buildings still represent a significant part of the residential building stock in rural...
Article
Full-text available
Arch dams have delicate sections thanks to their curvature. The fact that these dams are large, costly and construction takes many years increases the importance of the structure. Mistakes and / or accidents that may occur during the construction of such structures may occur major loss of life and property. Considering the volumes, masses and slend...
Article
Full-text available
The aim of this paper is to present the field investigation and performance assessment of the mosques and minarets constructed around the cities of Elaziğ and Malatya and their surrounding districts shortly after the earthquake (magnitude of MW ¼ 6.5–6.8 according to different institutions) that occurred at 8:55 p.m. local time on Friday January 24...
Article
Full-text available
In the last 30 years, about twenty earthquakes, which were greater than magnitude M=6.0, occurred in different parts of Turkey especially close to fault lines. These earthquakes caused many buildings to be destroyed or heavily damaged, and the loss of many people’s lives. The painful lessons learned after the earthquakes resulted to the revision or...
Article
After destructive events such as earthquakes, attempts have generally been made to repair and strengthen structures using such methods as filling cracks by injection, wrapping structural elements with fiber-reinforced polymer (FRP). These applications can allow the recovery of lost structural performance. In this paper, the aim was to investigate t...
Article
This paper presents a seismic performance evaluation of a historical masonry structure. The process involves geometrical checking and seismic performance controls and also requires consideration of relevant codes and guidelines. Geometric checking was carried out in accordance with previous and newly-introduced Turkish Earthquake Codes. In order to...
Article
This paper presents a dynamic analysis considering site-specific seismic characteristics for a masonry clock tower located at the city of Çorum, Turkey according to the new Turkish earthquake code. Finite element model of the tower was modeled using ANSYS software in order to determine numerical dynamic characteristics of the structure such as natu...
Article
The objective of this paper is to evaluate the acceptable differences limit between analytically and experimentally identified modal parameters and to assess its contribution to the success of finite element model updating. To achieve this aim, three one-story reinforced concrete buildings consisting of raft foundation, columns and beams were simul...
Article
The aim of this paper was to determine the effect of fiber-reinforced polymer (FRP) strengthening on the dynamic characteristics of reinforced concrete (RC) frames using ambient vibration-based automated model updating procedure. Four different structural conditions were examined: undamaged, damaged, "repaired with injections"; and "strengthened wi...
Article
Full-text available
Finite element models supply the simulation of the problems to obtain the structural behaviors under different loading conditions. The updating processes based on changing the uncertain parameters such as material properties, boundary conditions, meshing size etc. are made to create actual finite element models in order to represent the real condit...
Article
Full-text available
This paper presents numerical modelling, modal testing, finite element model updating, linear and nonlinear earthquake behavior of a reinforced concrete building model. A 1/2 geometrically scale, two-storey, reinforced concrete frame model with raft base were constructed, tested and analyzed. Modal testing on the model using ambient vibrations is p...
Article
Model updating is of significant importance in the actual analyses of real structures. The differences between experimental and numerical dynamic characteristics can be minimized by means of this procedure. This procedure can be carried out using two approaches, namely, the manual model updating and the global or local automated model updating. The...
Article
Structures are built on a design and then damaged in time by natural and manmade effects, repaired and strengthened for reusing. Determination of the structural behavior is very important to avoid future disaster. Operational Modal Analysis has been widely used recently to determine the inherent modal parameters of engineering structures and give s...
Article
Full-text available
Earthquakes have underlined the need for health monitoring and safety assessment of engineering structures in general and especially historical heritage. These structures can be exposed to many different loads such as earthquake and wind that may cause the deterioration and loss of structural integrity. In this study, ambient vibration-based system...
Article
In this paper, the aim was to determine the nonlinear dynamic response of historical masonry armory buildings using a validated finite element model. Eight ambient vibration tests were conducted on the building, using three different measurement test setups to extract the dynamic characteristics using the Enhanced Frequency Domain Decomposition met...
Conference Paper
Performance of masonry buildings during the February 2017, Ayvacık (Çanakkale) earthquakes are evaluated in this study. Ayvacık is a township located 68 km south from the province of Çanakkale in Turkey. A majority of the buildings in the affected region are built in masonry. Most of the masonry buildings were formed with random or coursed stone wi...
Conference Paper
Performance of masonry buildings during the February 2017, Ayvacık (Çanakkale) earthquakes are evaluated in this study. Ayvacık is a township located 68 km south from the province of Çanakkale in Turkey. A majority of the buildings in the affected region are built in masonry. Most of the masonry buildings were formed with random or coursed stone wi...
Article
Full-text available
Finite-element (FE) model updating is a very effective procedure for determining the uncertainty parameters in a structural model and minimize differences between experimentally and analytically identified dynamic characteristics. This procedure can be practiced with manual and global/local automatic model updating procedures. Automatic model updat...
Article
Full-text available
This paper presents the structural identification of an arch dam model for the damaged, repaired and strengthened conditions under different water levels. For this aim, an arch dam-reservoir-foundation model has been constructed. Ambient vibration tests have been performed on the damaged, repaired and strengthened dam models for the empty reservoir...
Article
Full-text available
Determining the structural behavior of masonry structures is a challenge due to their lack of homogeneity. The seismic behavior of masonry structures is especially complex. The aim of this study was to examine the structural behavior of Zağanos Bastion using both experimental and numerical methods. The Operational Modal Analysis technique, includin...
Article
Historical masonry structures have seismic vulnerability and most damages and demolishes arise from the seismic actions like earthquakes. In this paper, the structural behavior of Zağanos Bastion is examined with experimental and numerical methods. The operational modal analysis technique is used to illustrate the dynamic characteristics of the bas...
Article
Full-text available
Continuous health monitoring and regular condition assessment is of vital importance for engineering structures in general and especially for arch dams. These structures can be exposed to many different loads such as earthquake, blast, wind, ice, and water pressure, which may cause deterioration and loss of structural integrity. Such development ma...
Article
Full-text available
This technical note presents an investigation about the changing of dynamic characteristics of an arch dam model before and after strengthening considering reservoir water. To this end, an arch dam-reservoir-foundation model has been constructed in the laboratory. Ambient vibration tests have been performed on the damaged and strengthened arch dam...
Article
The purpose of this study is to investigate the effect of retrofitting dynamic characteristics of a damaged laboratory arch dam model, subsequently repaired with high-strength structural mortar and strengthened with composite carbon fiber reinforced polymer. This study constructed in laboratory conditions is a prototype arch dam–reservoir–foundatio...
Conference Paper
Full-text available
zet Lif takviyeli kompozit malzemeler yüksek dayanım, yüksek rijitlik, düşük ağırlık, iyi korozyon direnci, düşük bakım masrafı gibi olumlu özelliklerinden dolayı birçok mühendislik yapısında tercih edilmeye başlanmıştır. Özellikle kolay bakım, hafiflik, montaj ve işçilik kolaylığı, estetik görünüm, uzun kullanım ömrü ve inşa sürecinde trafik aksam...
Article
Full-text available
This paper investigates the time dependent changing of dynamic characteristics of laboratory arch dam models using ambient vibration test. For this aim, a prototype arch dam-reservoir-foundation model is constructed in laboratory conditions. The first experimental measurement tests are performed after the poured concrete aged for 10 months for some...
Article
Full-text available
In recent years, the use of fiber reinforced polymer composites has increased because of their unique features. They have been used widely in the aircraft and space industries, medical and sporting goods and automotive industries. Thanks to their beneficial and various advantages over traditional materials such as high strength, high rigidity, low...
Article
Full-text available
In this paper, it is aimed to determine the structural behavior of suspension bridges considering construction stages and different soil conditions. Bosporus Suspension Bridge connecting the Europe and Asia in Istanbul is selected as an example. Finite element model of the bridge is constituted using SAP2000 program considering existing drawings. G...
Article
Industrial reinforced concrete (RC) chimneys are tall and slender structures that need repair and strengthening in their service lives. Fiber-reinforced polymers (FRPs) are continuously becoming a popular material that is used for strengthening purposes of RC structures. The purpose of this study is to determine the effect of FRP strengthening on d...
Article
Full-text available
In this paper, it is aimed to determine the structural behavior of suspension bridges considering construction stages and different soil conditions. Bosporus Suspension Bridge connecting the Europe and Asia in Istanbul is selected as an example. Finite element model of the bridge is constituted using SAP2000 program considering existing drawings. G...
Conference Paper
Full-text available
The traditional materials were unable to respond the need with the developing technology and accelerated the search for the development of new materials. For this purpose, the composite materials were started developed during World War II and this development has continued rapidly since then. Nowadays, composite materials are commonly preferred in...
Conference Paper
Full-text available
Fiber reinforced polymer (FRP) is a class of advanced composite materials used in civil engineering because of their advantages when these materials are compared to traditional ones. These advantages are light weight, high stiffness-to-weight and strength-to-weight ratios, damping capabilities, and high resistance to environmental degradation. This...
Conference Paper
Full-text available
z Mühendislik yapılarının tasarımında kullanılan yöntemler, bilgisayar teknolojinde meydana gelen gelişmelere paralel olarak önemli ilerlemeler kaydetmiştir. Sonlu eleman yöntemi yapıların yapısal davranışlarının belirlenmesinde kullanılan yöntemlerin başında gelmektedir. Bu yöntemde yapıların yapım aşamaları dikkate alınmadan bir anda inşa edildiğ...
Article
Full-text available
Suspension bridges are widely used as engineering structures to across long spans and give rise to the usage of domains under the bridge. In the finite element analyses of suspension bridges, it is assumed that the structure is built and loaded in a second. However, this type of analysis does not always give the reliable and healthy solutions. Beca...
Article
Full-text available
In this study, it is aim to perform the construction stage analysis of suspension bridges using time dependent material properties. Fatih Sultan Mehmet Suspension Bridge connecting the Europe and Asia in Istanbul is selected as an example. Finite element models of the bridge are modelled using SAP2000 program considering project drawing. Geometric...

Questions

Question (1)
Question
I want to perform modal and dynamic analysis of RC elements retrofitting with FRP materials to compare the effect of the FRP on the modal and dynamic analysis..

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Projects (2)