Development of a Safety-Inspection Method for River Bridges in Turkey

Download
2019-09-01
Akay, Huseyin
Kocyigit, Musteyde Baduna
Yanmaz, Ali Melih
In this paper, findings of a research project about river bridges in Turkey are shared and details of the developed safety-inspection method based on hydrological and hydraulic factors are presented. In the project, the Western Black Sea Basin was chosen as the pilot area, where the basin is mountainous with steep slopes and has a rainy climate with frequent flash floods. Many river bridges in the basin were inspected at different flow conditions throughout the project duration of three years. The developed safety-inspection method is composed of four main parts: evaluation of watershed hydrology and its flood potential, stream stability, bridge characteristics and a rapid scour assessment. A structural assessment is also included in the method. Five river bridges in the area were chosen for detailed inspection and application of the method. Results showed that the method was capable of identifying and ranking the bridges in regard to maintenance needs and forming a comprehensive inventory for bridge engineers.

Suggestions

Evaluation and Bias Correction of Satellite-Based Rainfall Estimates for Modelling Flash Floods over the Mediterranean region: Application to Karpuz River Basin, Turkey
Saber, Mohamed; Yılmaz, Koray Kamil (MDPI AG, 2018-05-01)
This study investigates the utility of satellite-based rainfall estimates in simulating flash floods in Karpuz River Basin, Turkey, characterized by limited rain gauge network. Global Satellite Mapping of Precipitation (GSMaP) product was evaluated with the rain gauge network at daily and monthly time-scales considering seasonality, elevation zones, extreme events and rainfall intensity thresholds. Statistical analysis indicated that GSMaP shows acceptable linear correlation coefficient with rain gauges, ho...
Using cosmic-ray neutron probes in validating satellite soil moisture products and land surface models
Duygu, Mustafa Berk; Akyürek, Sevda Zuhal (MDPI AG, 2019-01-01)
Soil moisture content is one of the most important parameters of hydrological studies. Cosmic-ray neutron sensing is a promising proximal soil moisture sensing technique at intermediate scale and high temporal resolution. In this study, we validate satellite soil moisture products for the period of March 2015 and December 2018 by using several existing Cosmic Ray Neutron Probe (CRNP) stations of the COSMOS database and a CRNP station that was installed in the south part of Turkey in October 2016. Soil moist...
Observations on earthquake resistance of traditional timber-framed houses in Turkey
Şahin Güçhan, Neriman (Elsevier BV, 2007-02-01)
The aim of this study is to establish the earthquake behaviour of traditional timber-framed houses in Turkey and their technical features to serve as a guide in their conservation. This paper first discusses the destructive effects of changing settlement patterns on the traditional building stock and explores earthquake damage on traditional Turkish buildings, analysing the 1894-İstanbul, 1970-Gediz and finally 1999-Kocaeli earthquakes. A short definition is then provided of timber-framed building methods i...
Development of a geotechnical and geophysical database for seismic zonation of the Ankara Basin, Turkey
Koçkar, Mustafa K.; Akgün, Haluk (Springer Science and Business Media LLC, 2008-07-01)
Engineering geological and geotechnical site characteristics were assessed and seismic hazard studies performed for the Upper Pliocene to Pleistocene fluvial and Quaternary alluvial and terrace deposits for a site west of Ankara, Turkey. Sediment conditions were determined and a soil profile was characterized by surface geophysical methods. These studies were integrated with existing in-situ characterization studies to create a seismic and geotechnical database for the site. A seismic zonation map of the si...
Water management in Istanbul
Altınbilek, Doğan H. (Informa UK Limited, 2006-06-01)
This paper presents a study of water management in Istanbul, a megacity with a population of 11.5 million. The population of Istanbul grew at almost twice the overall rate of the whole of Turkey because of a large in-migration. The projected water demand was underestimated and Istanbul experienced severe water shortages in the early 1990s. During the last decade US$ 3.6 billion of investments were made to improve and expand water and wastewater systems. Several large-scale water transmission projects were s...
Citation Formats
H. Akay, M. B. Kocyigit, and A. M. Yanmaz, “Development of a Safety-Inspection Method for River Bridges in Turkey,” WATER, pp. 0–0, 2019, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/36685.