Kein Folientitel

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ITA Croatia
ITA SEE 2011, Scientific Symposium
Congress centre Lacroma, Dubrovnik
April, 7-9, 2011
TUNNELING ACTIVITIES IN TURKEY
TÜLIN SOLAK Temelsu International Engineering
Services Inc.
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TUNNELING ACTIVITIES IN VARYING FIELDS IN TURKEY
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HEPP PROJECTS
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BOLU TUNNEL ON ANKARA-ISTANBUL MOTORWAY
FAULT RUPTURE 1999
FAULT RUPTURE 1944
HIGHWAY PROJECTS
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• GEBZE-ORHANGAZI-IZMIR MOTORWAY (INCLUDING IZMIT
  BAY CROSSING)
• Total lenght 421 km
• 2 tunnels in total lenght of 5150 m
• suspended bridge L 3 km and span1700m
• ( second longest bridge of this typology in the
  world)
• contract type BOT
• construction period 7 years
• operation period 22 years and 4 month
• estimated cost 8-11 billion US

Samanli Tunnel L3.4 km
Current Bursa Ring Road
Belkahve Tunnel L1.75 km
HIGHWAY PROJECTS
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SPEED RAILWAY PROJECTS
Speed Railway Lines
Ankara-Istanbul Ankara-Konya Ankara-Sivas Ankara-I
zmir Bursa-Osmaneli Ankara-Kayseri Halkali-Kapikul
e

• Second stage in Ankara-Istanbul Line
• 40 tunnels have been excavated with NATM
• Longest tunnel at Ankara-Istanbul line 8 km will
  be excavated with TBM

-----Line under operation ---- Line under
construction ---- Line at planing stage
RAILWAY PROJECTS
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SILK RAILWAY PROJECT KARS-TBILISI-BAKU RAILWAY
PROJECT
Rehabilitation in Georgia
Construction in Georgia 29 km
Tunnel to be constructed in Georgia 2070 m
Construction in Turkey 76 km
Tunnels to be constructed in Turkey 6190
Present line
RAILWAY PROJECTS
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BOSPHORUS TUBE TUNNEL CROSSING-MARMARAY
Worlds deepest immersed tunnel H60 m L1.4
km Bored tunnels with TBM L9.8 km Cut and cover
structures L2.4 km 3 underground stations 75000
people/hour/direction Total lenght of the line
76 km Planned date for operation October 2013
Ayrilikçesme
Kazliçesme
Ayrilikçesme
RAILWAY PROJECTS
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SIRKECI STATION SHAFT
ÜSKÜDAR STATION AREA
PORTAL STARTING POINT OF TBM
Ayrilikçesme
RAILWAY PROJECTS
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IMMERSING BARGE
SETTLING THE ELEMENTS
BACKFILL CROSSECTION
Ayrilikçesme
RAILWAY PROJECTS
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ARCHEOLOGICAL EXCAVATIONS
RAILWAY PROJECTS
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BOSPHORUS TUBE TUNNEL CROSSING
PAST EARTQUAKES
GROUND IMPROVEMENT AT THE TUNNEL BASE
SEISMIC JOINTS
RAILWAY PROJECTS
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ISTANBUL STRAIT ROAD CROSSING
Marmaray Istanbul Strait Road Crossing
European side
Asian side
Marmara sea

• 5.4 km bored tunnel (3.3 km undersea)
• 1.8 km to Marmaray
• 1.1 billion , BOT
• TBM,NATM, Open cut
• 6. largest TBM L160 m Dext12.4 m
• advance 10 m/day 65 million
• 61 m water 45 m rock
• Construction time 4.5 year
• Operation time 26 year

URBAN TRANSPORT PROJECTS
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• DUE TO SEVERAL REASONS, TOPOGRAPHICAL,
  ECONOMICAL, ENVIRONMENTAL ETC, TUNNELS ARE
  ESSENTIAL IN TURKEY.
• TURKEY IS LOCATED AT AN EARTQUAKE ZONE AND
  TUNNELS SHOULD BE DESIGNED ACCORDINGLY.
• IT MAY BE NECESSARY TO ESTABLISH JOINT VENTURES
  WITH EXPERIENCED COMPANIES FROM OTHER COUNTRIES
  FOR TECHNOLOGY TRANSFER
• IMPORTANT PROJECTS ARE FINANCED WITH PPP MODEL
  (BOT, BO)

CONCLUSIONS