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Geotechnical and Geological Engineering

, Volume 36, Issue 2, pp 875–883 | Cite as

Geotechnical Problems of Botan Bridge Piers Construction (Siirt, Turkey)

  • Ogun Tutus
  • Mehmet OzcelikEmail author
Original paper
  • 185 Downloads

Abstract

The Botan Bridge in Siirt (Turkey), now under construction, will carry a road across the River Botan and the lake which will be created by the Pervari Dam, 180 m high. The bridge has two piers with height of 115.88 m, and the total length of deck is 450 m which is built in accordance with the free cantilever method. The paper deals with foundations used in Botan Bridge for dam reservoir crossing bridge structures. Some of the geotechnical problems of construction of these foundations are highlighted. The slope debris deposits and basement rocks being ophiolite and the metamorphic rocks (calc schist, chlorite schist and meta-sediments) contribute to the geotechnical problems. Ophiolite, calc schist and chlorite schist, contains significant percentage of chlorite, feldspars, carbonates and serpentinites; their effect needs to be assessed in the interpretation of pier foundation construction and slope stability calculations. For this purpose, in situ and laboratory tests have been performed. Ophiolitic rock mass properties are an important factor for slope stability of rocks and foundation construction.

Keywords

Geotechnical studies Bridge Pier construction Rock mass Ophiolite 

Notes

Acknowledgements

The authors wish to express their deep gratitude to the Turkish General Directorate of Highways managers, AGM Engineering Construction and Burakcan Engineering Construction and site engineers for their help and permission to write this paper. The authors would like to thank the anonymous reviewers for improving the manuscript. They are also grateful to Dr. Jan Kresten Nielsen for valuable comments and suggestions to improve the quality of the paper.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Department of Geological Engineering, Faculty of EngineeringSüleyman Demirel UniversityIspartaTurkey

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