Güneş, Burcu

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Now showing 1 - 3 of 3

Citation - WoS: 21
Citation - Scopus: 28
Damage in Reinforced-Concrete Buildings During the 2011 Van, Turkey, Earthquakes
(Asce-amer Soc Civil Engineers, 2014) Baran, Eray; Mertol, Halit Cenan; Gunes, Burcu
Two major earthquakes with magnitudes Mw=7.2 (ML=6.7) and ML=5.6 occurred in eastern Turkey on October 23 and November 19, 2011. The maximum measured peak ground accelerations for the two ground motions were 0.18g and 0.25g, respectively. The earthquakes resulted in various levels of damage to RC moment-resisting frame buildings ranging from minor cracking in brick partition walls to total collapse. This paper summarizes the field observations of the Atilim University Reconnaissance Team carried out in the region a few days after the two main shocks with an emphasis on the performance of RC buildings. A summary of the evolution of the Turkish seismic design code during the last 35 years is given, followed by an explanation of the behavior of RC buildings during the October 23 and November 9 earthquakes. The deformation types that were commonly observed in the heavily damaged or collapsed RC buildings include plastic hinging in columns attributable to stiffer beams, localization of damage in ground-story columns attributable to changes in the stiffness of the lateral load-resisting system caused by brick partition walls, and shear failure of columns caused by discontinuities in the partition walls adjacent to the columns. Poor concrete quality, inadequate development and lap splice length for reinforcement, and inadequate confinement in columns also contributed to the poor seismic behavior.
Citation - WoS: 15
Citation - Scopus: 19
Use of Uhpc in Bridge Structures: Material Modeling and Design
(Hindawi Ltd, 2012) Gunes, Oguz; Yesilmen, Seda; Gunes, Burcu; Ulm, Franz-Joseph
Ultra-high-performance concrete (UHPC) is a promising new class of concrete material that is likely to make a significant contribution to addressing the challenges associated with the load capacity, durability, sustainability, economy, and environmental impact of concrete bridge infrastructures. This paper focuses on the material modeling of UHPC and design of bridge girders made of UHPC. A two-phase model used for modeling the behavior of UHPC was briefly discussed, and the model was implemented in a preliminary design case study. Based on the implemented design and the reported use of UHPC in bridge applications, the advantages, limitations, and future prospects of UHPC bridges were discussed, highlighting the need for innovative research and design to make optimum use of the favorable properties of the material in bridge structures.
Citation - Scopus: 2
Health Monitoring of a Benchmark Structure Using Vibration Data
(2012) Gunes,B.
Aging and deterioration of existing structures and the need for rapid assessment and evaluation of these structures for hazard mitigation has significantly expanded the research efforts in the field of structural health monitoring (SHM). SHM involves monitoring of a structure using periodically sampled measurements, extraction of damage sensitive features from these measurements, and assessment of the current health state/integrity of the system. The approach known as the Damage Locating Vector (DLV) technique is an SHM tool that interrogates changes in the flexibilities synthesized at sensor locations using the vibration data with respect to the location of damage. This paper presents the damage identification results of the Phase II Experimental Benchmark Structure of the IASC-ASCE Task Group on Structural Health Monitoring. © RILEM 2013.

Journal	Count
8th US National Conference on Earthquake Engineering 2006 -- 8th US National Conference on Earthquake Engineering 2006 -- 18 April 2006 through 22 April 2006 -- San Francisco, CA -- 92446	2
Advances in Materials Science and Engineering	1
Journal of Performance of Constructed Facilities	1
RILEM Bookseries	1

Güneş, Burcu

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