• headergrafik
    Extend service life,
    save costs
    Structure upgrade and mastic asphalt

Overhauling of tunnel Neckartalfingen B 297

Customer: Regional Council Stuttgart, Office Göppingen
Construction 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 Council
Construction 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