Tunnels 1 and 2, Erbil, Kora-Shaqlawa-Qandeel Highway Project, Iraq
Developer
General Roads and Bridge Construction department of the regional government of Kurdistan through Al Muhandis Consulting Engineers and RRI, Rhein Ruhr International GmbH, Dortmund
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 PDF, 148 KByte
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Project
- Construction of a new 30 km highway in the north of Kurdistan
- The highway project includes 2 tunnels, each comprising two separate tubes
- Tunnel 1 has a length of 935 m
- Tunnel 2 has a length of 380 m
Our services
- Local site survey
- File research in Iraq, Erbil site
- Expert report on the need for base reinforcement / sealed base
- Static proofs using the finite element method to assess whether a base for the inner shell is required, including earthquake stress and parameter study
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Rock stabilization of quarry wall
in ENCI lime works
Developer
ENCI, Maastricht, Netherlands
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PDF, 570 KByte
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Project
- Continuous rock and slope stabilization of the quarry wall
- Slope height approx. 50 m, slope sometimes overhanging
- Area approx. 1,800 m2
- Drape system braced using rock nails with Flexkopf
Our services
- Execution planning for the overnetting with a rockfall protection curtain
- Preparation of the stability tests
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Approach cuts for the Divaca – Koper railway tunnel, Slovenia
Developer
Republic of Slovenia, Traffic Ministry, Public Railway Infrastructure Directorate, Maribor
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PDF, 153 KByte
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Project
- 6 km long railway tunnel with two tubes between the towns of Divaca and Koper
- Approach cuts are required on both sides of the tunnel
- Steep slopes are stabilized by rock bolts and a shotcrete shell
- At the Koper end additional stabilization is provided in places by bored pile walls underneath
Our services
- Technical processing of the slope stabilization by rock bolts and relieved bored pile walls
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New construction of the Metro 4 underground
Developer
DBR Metro Project, Budapest
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PDF, 117 KByte
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Project
- Underground rail connection between south-west and north-east Budapest
- 14 stations over a distance of 10.5 km
- Shield driving method applied in clay and sand
- up to 31 m below the site surface
- 5.2 m tunnel cross-section
- Danube crossing
Our services
- Panel of experts
- Advice on geotechnics during execution
- Advice on tunnel construction during execution
- Risk analysis
- Assessment and acceptance of amendments to contract
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S7 expressway, Poland
Developer
Generalna Dyrekcja Dróg Krajowych, Autostrad Oddzial w Krakowie
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PDF, 138 KByte
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Project
- New construction element in the Lubien-Rabka Zdroj section
- 1,980 m tunnel in solid rock of the Rayon Maly Lubon in the Carpathian mountains/uplands
- Difficult geology with flysch sediments
Our services
- Devising the investigation programme
- Obtaining permissions for access and to carry out works
- Examination of the subsoil
- Monitoring of investigative works
- Geological engineering and hydrogeological cartography
- Geological engineering and tunnel construction engineering report
- Hydrogeological report
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Stockton Mine, Westport,
New Zealand
Developer
Solid Energy New Zealand Limited, Neuseeland
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PDF, 134 KByte
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Project
- Demolition of a 10 m solid stratum of hard coal
- 30 m sandstone covering in the open cut mine on the edge of the side of a hill with a nature conservation area beneath it
Our services
- Site inspection
- Geotechnics advice on securing the edge of the mined area in respect of the nature conservation area
- Assessing the current safety status of the sides of the hill
- Assessing the risks of falling stones and rockfall
- Suggestions on removal and securing of the sides of the hill
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Motorway tunnel to the north of the capital city of Luxembourg
Developer
Duchy of Luxembourg
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PDF, 171 KByte
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Project
- Length: 2 x 2.966 m
- 2 separate tunnel pipes, 1 pipe 3-lane, 1 pipe 2-lane
- Spacing between pipes ranging between 22.35 m and 43.15 m
- 10 crosswise galleries
- 4.63% incline
- Standard advance method: roof section - face
Our services
- Opinion on the geological conditions
- Devising a plan of work for “Follow-on sealing of the creep roof after 40 m advance in roof section”
- Notes on the tendered arrangements for over-dimensioning
- Assessment of measures to secure the tunnels
- Special proposals and technical proposals
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Chapmans Peak, Cape Town,
South Africa
Developer
Brugg Seiltechnik Holding AG, Brugg, Schweiz
Download the project description
PDF, 134 KByte
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Project
- Securing the coastal road threatened by falling stones and rock using protective nets and trapping fences
Our services
- Local recording of geological conditions
- Geotechnics advice on-site to the company carrying our the works
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Antwerp container facility
Developer
Walter-Bau AG, Düsseldorf
Download the project description
PDF, 98 KByte
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Project
- Instating an automated container system facility
- A number of crane tracks running in parallel, set up on local concrete pillar supports around 15 m in height with a cross-section of 1.7 x 0,7 m.
- The foundations for the pillars were sunk individually using a square area of 3.6 x 3.6 m and a height of 1.4 m
- Beneath the individual foundations, in each case 4 localised driven piles were planned with a diameter of 0.61 m and an angle of 1: 8
Our services
- Expert evaluation
- Geotechnics advice
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