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Extend service life,save costsStructure upgrade and mastic asphalt
Overhauling of tunnel Neckartalfingen B 297
Customer: Regional Council Stuttgart, Office GöppingenConstruction period: 6 months Year of construction: 2016–2017
- Total length 1600 m
- Surface sealing and melted asphalt approx. 10,000 m2
- Surface concrete overhaul approx. 7,600 m2
- Renovation of concrete back bars 1,580 m
- Renovation of sealing and asphalt layer, as well as overhauling of tunnel walls and trough walls
A 81 Schönbuchtunnel
Customer: Regierungspräsidium Stuttgart (Stuttgart Regional CouncilConstruction period: 25 months Year of construction: 2014–2016
- Renewal of 600 m3 curbs
- 10,000 m2 of surface protection C coating
- 35,000 m2 of asphalt work
- 1,000 m2 of high-pressure water jet removal, renewal with shotcrete, depth 5 – 10 cm
- Renewal of connection tunnel and fire protection doors
L 5036 Branichtunnel, Schriesheim
Customer: Regierungspräsidium Karlsruhe (Karlsruhe Regional Council)Construction period: 3 months Year of construction: 2015
- 12,000 m2 of surface protection C coating
- 350 units of block numbers
B 28 Tunnel, Blaubeuren
Customer: Regierungspräsidium Tübingen (Tübingen Regional Council)Construction period: 8 months Year of construction: 2012
- 7,800 m2 of tunnel cleaning with subsequent renovation of damaged areas
- 75 m3 of high-pressure water jet removal, re-profiling with sprayable polymer-modified cement concrete mortar
- 320 m3 of demolition and reconstruction of curbs
- 28 cable ducts
- 1,200 m2 of surface protection 8 and 400 m2 of surface protection C coating
- 2,200 m2 of alucubond facade removed and replaced
- 6,000 m2 of surfacing work
A 8 autobahn Lämmerbuckeltunnel
Customer: Regierungspräsidium Stuttgart (Stuttgart Regional Council)Construction period: 4 months Year of construction: 2011
- Removal of 7,000 m2 of wall tiles and underground preparation with high-pressure water jet
- 1,050 t of shotcrete, 1,850 composite anchors
- 7,500 m2 of fine filler, 5,000 m2 of surface protection C coating
- 500 m2 of damaged areas down to 15 cm deep
B 27 tunnel, Dusslingen
Customer: Regierungspräsidium Tübingen (Tübingen Regional Council)- 500 m of surface protection C tunnel coating (approximately 5,600 m2)
- 2,000 of hydrophobic cover treatment
- 190 block numbers
- Sealing of 4,000 m2 of tendon and tunnel ceiling
