Assessment of the durability of different travertine lithotypes used as armourstone around the coasts of Lake Van

Özvan, Ali
Akın, Mutluhan
Akın, Müge
Topal, Tamer
We report a major olistostromal event situated around the Priabonian/Rupelian boundary. It is manifested in the island of Samothraki simultaneously with the development of a carbonate reef, preceded and followed by flyschoid sedimentation. Olistostrome formation of approximately the same age is observed also in the SE part of the island of Lemnos. Comparisons with the Thracian basin and the Rhodopes hint at the links of olistostrome and mélange formation with an episode of carbonatic sedimentation brusquely disturbed by increased tectonic activity of regional importance.


Quantitative analysis of planktonic foraminifera across the Cretaceous-Paleogene transition and observations on the extinction horizon, Haymana Basin, Turkey
Karabeyoğlu, Uygar; Altıner, Sevinç; Altıner, Demir (Elsevier BV, 2019-12-01)
The Haymana Basin, Turkey, hosts complete record of sedimentation across the Cretaceous-Paleogene (K-Pg) boundary. To examine the K-Pg boundary transition and delineate the bioevents, two consecutive sections (UH and UKHB) were measured and sampled at high resolution. Three biozones were established: Plummerita hantkeninoides, P0 and P alpha. A detailed quantitative study on planktonic foraminifera was carried out for the P. hantkeninoides and the P0 zones for 63 150 mu m and >150 mu m size fractions. Resul...
An Assessment of the relationship between the local site effects and the distribution of damage in the city of Yalova (Turkey) during 17 August 1999 İzmit earthquake
İlhan, Cemal; Bakır, Bahadır Sadık; Yılmaz, Mustafa Tolga; Department of Civil Engineering (2015)
The relationship between the local site effects and the damage distribution at the City Centre of Yalova after 1999 İzmit earthquake is investigated. The spatial distribution of building damage is presented by compiling the damage statistics reported after the event. It is observed that structural damage at the coastal areas and the ridges were limited. The most severe damage, however, was observed on Hacımehmet Basin and on the west side of Bağlarbaşı Quarter. Peak ground acceleration during the earthquake...
A case study on development of flood mitigation measures
Durğut, Aybike Ceren; Yanmaz, Ali Melih; Department of Civil Engineering (2023-1-25)
Severe floods have negative impacts on the infrastructural facilities in residential areas and inconveniences to socio-economical conditions. Therefore, it is a must to mitigate these adverse effects by implementing some structural measures. This study deals with the proposal of some detention basins in the upstream part of a critical area, which is located between the embankments of Ankara-Eskişehir highway and Ankara-İstanbul conventional railway. It is intended to offset the possibility of overtopp...
An assessment of the dynamic properties of Adapazarı soils by cyclic direct simple shear tests
Kaven, Hassan Zehtab; Yılmaz, Mustafa Tolga; Department of Engineering Sciences (2010)
Among the hard-hit cities during 17 August 1999 Kocaeli Earthquake (Mw 7.4), Adapazarı is known for the prominent role of site conditions in damage distribution. Since the strong ground motion during the event was recorded only on a rock site, it is necessary to estimate the response of alluvium basin before any study on the relationship between the damage and the parameters of ground motion. Therefore, a series of site and laboratory tests were done on Adapazarı soils in order to decrease the uncertainty i...
Acciari, V. A.; et. al. (IOP Publishing, 2009-09-20)
We report the detection of very-high-energy (VHE) gamma-ray emission from supernova remnant (SNR) G106.3+2.7. Observations performed in 2008 with the VERITAS atmospheric Cherenkov gamma-ray telescope resolve extended emission overlapping the elongated radio SNR. The 7.3 sigma (pre-trials) detection has a full angular extent of roughly 0 degrees.6 by 0 degrees.4. Most notably, the centroid of the VHE emission is centered near the peak of the coincident (CO)-C-12 (J = 1-0) emission, 0 degrees.4 away from the ...
Citation Formats
A. Özvan, M. Akın, M. Akın, and T. Topal, “Assessment of the durability of different travertine lithotypes used as armourstone around the coasts of Lake Van,” 2019, Accessed: 00, 2021. [Online]. Available: