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Big ideas, innovative minds

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Yüksel Proje, founded in 1978, is in the position of the largest engineering and consultancy firm of Turkey today.

Firm, which has completed numerous large scale projects both inland and abroad, is providing services mainly in the fields of feasibility, design, construction supervision and project management under the main headings of transportation, infrastructure and environment, buildings, geological and geotechnical engineering.

Customer satisfaction-oriented fundamental approach underlies the achievements of Yüksel Proje. All process is organized to meet customer expectations.

Yüksel Proje places human factor at the center. It identiies the responsibilities related with both its employees and its clients meticulously, and acts within the framework of national and international regulations. The Firm does not restrict its liabilities with the employee-client axis only. Actions are taken with social responsibility and environmental consciousness.

Yüksel Proje has, which has carried out activity in 13 countries until today, nearly 1400 employees, over 50 active construction area and major projects at national and international arena. According to Engineering New Record 2015 records, Yüksel Proje 209th largest design firm of the world among 225 design firms.

Motorways and State HighwaysBridges and ViaductsRailwaysRailway Mass Transportation SystemsMarine Structures - HarboursAirports

Water Transmission LinesDrainage and Waste Water NetworksWater and Waste Water Treatment PlantsSolid Waste Storage and Incineration PlantsNatural Gas and Crude Oil Pipelines

Smart BuildingsIndustrial FacilitiesMass HousingEducation, Sports and Health Facilities

Soil InvestigationGeological Engineering ImplementationsGeotechnical Engineering Designs

Transportation

Infrastructure & Environment

Buildings

Geologic & GeotechnicalEngineering

Service Areas

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Services

FeasibilityUsing all our experience, we evaluate econom-ical, technical and social effects; we determine the correct sources and take the right steps.

DesignUsing the high technological opportunities, we put into practice the designs which are practicable, aesthetical, economic, functional, eco-friendly and original.

Construction SupervisionWe provide and conduct the services within the specified budget correctly, timely, effectively and in compliance with the contract conditions, specifications, and OHS process considering en-vironmental effects.

Project ManagementWe examine the project integrally, analyze all details specifically the cost, and perform the process management productively.

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Services

Osmangazi BridgeOsmangazi Bridge under Gebze - İzmit Motorway Project is the

4th largest mid - span bridge in the world.

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Location : Gebze - Orhangazi - İzmirService Period : 2013 - 2016 Client : General Directorate of HighwaysScope of Service : Consultancy and supervision services

Type : Suspension bridge Mid - Span : 1550 m Width : 35,93 mBridge towers height : 252 mLength : 2682 m

3rd Bosphorus BridgeThe 3rd Bosphorus Bridge which is high technology and engineering product will be the widest with

59 meters, the longest with 1408 meters main span having rail system and the suspension bridge having highest tower with more than 322 meters in the world.

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Location : İstanbulService Period : 2013 - OngoingClient : General Directorate of HighwaysScope of Service : Consultancy and supervision services

System : Hybrid (Cable-Stayed + Suspension) Scope : Eight-lane highway and two-lane railway Width : 59 m (The world’s widest suspension bridge)Main Span : 1408 m (The longest suspension bridge in the world having a rail system)Height : 322 m (The suspension bridge having the highest tower in the world)

Nissibi BridgeNissibi cable - stayed bridge is planned to be constructed on Atatürk Dam Lake which is 80th km of

Adıyaman - Kahta - Siverek - Diyarbakır Highway. In terms of technical features, Nissibi Bridge is an example project including a series of initials and

innovation for the construction industry in Turkey.

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Location : Diyarbakır - AdıyamanService Period : 2010 - 2011Client : General Directorate of HighwaysScope of Service : Detailed design

Construction Method : Cable - Stayed, segmentalSuperstructure Type : Post-tensioned box girder side spans, Steel orthotropic main spanTotal Length : 610 m Main Span : 400 mBridge Width : 22.90 mNumber of Pylons : 2Pylon Height : 96 m

Gülburnu BridgeIn scope of the construction of Gülburnu Bridge, crossing with an aesthetic bridge of the bay containing the historical Zefre Harbor and protection of Gülburnu Bay that has a natural beauty have been aimed.

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Location : Gülburnu - GiresunService Period : 2005 - 2007Client : Güriş İnşaat A.Ş. - Metiş İnşaat A.Ş. Joint VentureScope of Service : Detailed design

Bridge Type : Highway - Reinforced concreteSuperstructure Type : Post-tensioned cast in place box girderConstruction Method : Free balanced cantilever methodTotal Length : 330 mMain Span : 165 mBridge Width : 2 x 14.50 m

Desire of large span selection is closely related to geological and topographical features of the sea bottom.

The bedrocks are about 15 meters to 20 meters deep in the sea. Thus, they lead to reduce the number of pier as much as possible and place in shallower parts.

“Free balanced cantilever method” has been selected as a construction method because it is not possible to base scaffolding at offshore.

Kömürhan BridgeKömürhan cable - stayed bridge is planned to be constructed on Fırat river which is a natural border

separating Malatya - Elazığ cities and on 51th km of the existing Elazığ - Malatya State Road. The bridge will be constructed next to the existing post - tensioned bridge.

LONGITUDINAL SECTION

KARAKAYA DAM LAKEKARAKAYA BARAJ GÖLÜ

MALATYA

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Location : Malatya - Elazığ HighwayService Period : 2010 - Design is completed, construction continuesClient : General Directorate of HighwaysScope of Service : Detailed design, construction consultancy and supervision services

Bridge Type : Highway - Cable stayedConstruction Method : Cable stayed, segmentalSuperstructure Type : Post-tensioned box girder side spans, Steel orthotropic main span Total Length : 660 mMain Span : 380 mBridge Width : 23.90 mNumber of Pylons : 1Pylon Height : 168.50 m

The single pyloned bridge which is crossing over the Keban Dam, has a main span of 380 m and has a total length of 660 m. Kömürhan Bridge will be linked to the new tunnel by approach spans.

Gerze-1 ViaductGerze - 1 Viaduct consists of two bridges with 865 m and 885 m. The bridge superstructure has two

different types as precast beam and composite steel beam. Precast Beam Bridge is between 1 and 13 axes of the viaduct and consists of 12 spans. Pier height varies from 5 m to 26 m.

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Project : Yakakent - Gerze Highway ProjectLocation : SinopService Period : 2009 - 2011Client : General Directorate of HighwaysScope of Service : Detailed Design, Survey and Design Services

Bridge Type : Highway - Steel - Concrete Superstructe Type : Steel I-Beam + Concrete composite deckTotal Length : 865 m (A - Bridge), 885 m (B - Bridge)The Longest Span : 70 mBridge Width : 2 x 14.25 m

Steel composite continuous superstructure system is consists of four steel I-beam and cast in place concrete deck.

165 cm diameter steel armored bored piles have been used to withstand landslide effects.

Sinop İdemli Viaductİdemli viaducts (1, 2.1, 2.2 and 3) have required a special structure design because of landslide having 20 m depth in the bridge area. A structure design has led to large spans without block of the landslide

as much as possible.

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Project : Yakakent - Gerze Highway ProjectLocation : SinopService Period : 2009 - 2011Client : General Directorate of HighwaysScope of Service : Detailed design, survey and design services

Bridge Type : Highway - Steel Superstructure Type : Steel I-Beam + Concrete compasite deckTotal Length : 230m (For Idemli 2.1 Viaduct)The Longest Span : 80 mBridge Width : 2 x 12.75 m

A composite superstructure has been selected consisting of four I-beams and cast in place deck because of ease of construction and road profile. The superstructure system is continuous.

165 cm diameter steel armored bored piles have been used to withstand landslide effects.

Location : Oran - AlgeriaService Period : 2015 - 2016Client : Makyol İnşaat A.Ş. - ENGOA Joint VentureScope of Service : Detailed design

Bridge Type : Highway - Concrete precast segmental box cross-sectionConstruction Method : Free balanced cantilever methodTotal Length : 1279 mMain Span : 80 mBridge Width : 2 x 14.50 m

Algeria Oran ViaductOran viaduct which is planned to be constructed in scope of the city crossing project

with 8 km in Oran - Algeria, will be 1279 m length.

Viaduct will be constructed with installation of precast segments which are manufactured in the factory and post - tensioning in place.

Side spans of the viaduct are 40 m and main spans are 70, 75 and 80 m. The bridge has a total of 17 piers and all foundations are supported by piles.

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AKYÜNLÜ

Akyunlu BridgeAkyünlü Bridge will be constructed on Tunceli - Elazığ State Highway and Uzunçayır Dam Lake.

The bridge will connect Malazgirt to Tunceli province.

Location : TunceliService Period : 2012 - 2013Client : General Directorate of HighwaysScope Of Service : Detailed Design

Bridge Type : Highway - Reinforced concreteSuperstructure Type : Post-tensioned cast in place box girder Construction Method : Free balanced cantilever methodTotal Length : 360 mMain Span : 180 mBridge Width : 18 m

Location : Mekece - BilecikService Period : 2008 - 2009Client : General Directorate of Highways Scope of Service : Detailed design

Bridge Type : Highway - Steel composite systemConstruction Method: ConventionalTotal Length : 364 ~ 385 mMain Span : 52 mBridge Width : 2 x 13.43 m

Sakarya BridgeBozüyük - Mekece highway connects the Mediterranean region and interior regions of Anatolia to

İstanbul. Because of the accidents and the other problem owing to the heavy traffic, design of the new highway has been planned and the construction has been started.

In scope of the project, Sakarya viaduct passes through Sakarya River, existing railway and highway. The bridge is approximately 300 meters away from the South (Geyne - Iznik) fault of the North Anatolian fault. The soil in the bridge region consists of sand - gravel layers having liquefiable feature. The viaduct’s superstructure is a composite superstructure consisting of steel beam and reinforced concrete deck.

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Location : Kars - IğdırService Period : 2011Client : Ministry of Transport, Maritime Affairs and Communication - General Directorate of Infrastructure Investment Scope of Service : Detailed design

Bridge Type : High-Speed Train - Steel arch bridgeSuperstructure Type : Steel I-beam + Concrete composite deckTotal Length : 200 mMain Span : 200 mBridge Width : 13.40 mProject Speed : 250 km/hourArch Height : 45 m

Steel - Arch High Speed Train BridgeArch bridge that was planned to be constructed under “Kars - Iğdır - Aralık - Dilucu Railway Survey

Design and Engineering Services” has been designed as steel structure.

Bridge span is 200 m and arch height is 45 meters. The distance from valley floor to bridge deck is about 60 meters. Hanger elements and transverse beams which are connected to

the arch carry the composite deck with steel I-beamed. Two high - speed train lines located on the ballast base. Steel weight is 3500 tons approximately.

Esenler Viaduct

Location : İstanbulService Period : 2012 - 2013Client : Gülermak - Doğuş PartnershipScope of Service : Investigation of existing substructures, Seismic retrofitting and repairment projects, design of steel superstructure and steel shop drawings

Bridge Type : Light Rail System - Steel Superstructure Type : Steel U-Beam + Concrete composite deckTotal Length : 290 m (Section-1 bridge), 128 m (Section-2 bridge)Bridge Width : 5.3 m

Esenler New Viaduct (Section 1 and 2) has been designed as a light rail transport system and construction has been stopped after some time. Seismic retrofitting has become a necessity because of insufficient pile,

foundation and column capacities.

The construction siteis located on city center as a result all kind of excavation, forage and jacketing in the site may have caused traffic problems. In order to minimize such operations in both viaducts, seismic isolators have been used. In addition, concrete rail beam has been used instead of ballast to reduce the weight of the bridge superstructure.

The U – section is used to increase the torsional stiffness of the superstructure because of the horizontal curves with small radius. Difficulty of superstructure geometry has brought special solutions in the design.

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Kayaş - Yerköy High Speed Train Project ViaductsThe viaducts between Kayaş - Yerköy under Ankara - Sivas High Speed Train Railway Project has been designed as post - tensioned cast in place box cross-section. Viaducts are constructed with

balanced cantilever system and movable scaffolding system.

Location : Kayaş - YerköyService Period : 2012Client : Turkish State RailwaysScope Of Service : Detailed design

Number of Total Viaduct : 22Total Viaduct Length : 16.181 m Bridge Type : High Speed Train - Post - tensioned cast in place box girder Construction Method : Free balanced cantilever method, Movable scaffolding system (MSS)Main Span : 75 mMax Pier Length : 87 mBridge Width : 13.40 m

İzmit Pedestrian Over Bridge3 pedestrian overpass bridges have been constructed under D-100 Highway İzmit Urban Crossing Renewal

Project. The project has aimed to facilitate the crossing to seaside from the city for pedestrians and been designed as cable - stayed.

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Location : KocaeliService Period : 2008 - 2009Client : İlke Yapı A.Ş.Scope of Service : Detailed design

Bridge Type : Pedestrian bridge - Cable-stayedConstruction Method : SegmentalSuperstructure Type : Steel box cross-section

Bayraklı Suspension Overpass BridgeThe main span with 92 meters of the bridge is carried by steel arch with 12 x 75 meters special tension bars.

The steel - arch having 65 meters length has been made with inclined form. It has been connected to 4 concrete pyramids that were built on the pile with special anchorages. Arched steel suspension bridge implementation has

been a first in Turkey.

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Location : İzmirService Period : 1998Client : İzmir Metropolitan MunicipalityScope of Service : Detailed design

Superstructure Type : Steel suspension bridgeTotal Length : 126 mMain Span : 92 mBridge Width : 10 m

Göztepe Pedestrian OverbridgeSteel bridge deck is supported by 4 galvanized special pre-stressed cables which

are 2 x 40 m and 2 x 60 m in length to a single pylon.

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Location : İzmirService Perıod : 1997Client : İzmir Metropolitan MunicipalityScope of Service : Detailed design

Bridge Type : Pedestrian bridge – Cable stayedConstruction Method : SegmentalSuperstructure Type : Steel box cross-sectionTotal Length : 126 mMain Span : 90 Bridge Width : 10 mPylon Height : 28 m

The pylon which is 28 m height is connected to a concrete block on the ground by 2 pre-stressed cables with 29 m length. The first “stay cable” implementation of Turkey has been put into practice in İzmir with the bridge and it has brought a landmark to the city.

Birlik Mah. 450 Cad. No: 23 06610 Çankaya ANKARA / TURKEYT. +90 312 495 70 00F. +90 312 495 70 24

yproje@yukselproje.com.tryukselproje.com.tr

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