Highway Tunnels (Middle East)

UDEC Simulation of tunnel excavation and support Geo-Design’s team of geologists and engineers have provided the reference design for four highway tunnels in the Middle East that have a combined running length of 3.5km.   The upper tunnels are at a … Continue reading

Posted in Road, Tunnels

Solva Tunnel, Wales (UK)

CLIENT:  Welsh Water (Dwr Cymru) Geo-Design undertook a tunnel condition survey and made maintenance recommendations for a 170m long unlined access tunnel through bedded and jointed sandstone and mudstone. The survey involved inspecting the tunnels, assessing the rock mass condition … Continue reading

Posted in Tunnels, Underground Mines

Harbour Area Transfer Scheme (Hong Kong

The Harbour Area Transfer Scheme (HATS) is a major sewerage treatment project serving the densely populated area around Victoria Harbour in Hong Kong, aiming to improve the water quality of the harbour. The first stage was completed in 2001, and … Continue reading

Posted in Sewerage & Drainage, Tunnels

Brisbane Airport Link (Australia)

Kedron East On Ramp 3DEC – Brisbane, Australia The Brisbane Airport Link is a tunnelled roadway connecting the Brisbane central business district to the East-West Arterial Road which leads to Brisbane Airport. The Airport Link comprises road and busway tunnels, … Continue reading

Posted in Caverns and Underground Mines, Road, Tunnels

Express Rail Link (Hong Kong)

XRL Geological Long Section – Hong Kong The Express Rail Link (XRL) in Hong Kong is a 26km long stretch of high-speed rail which links Hong Kong to mainland China, connecting Kowloon to the high-speed rail network of China in Shenzhen. … Continue reading

Posted in Rail, Tunnels