907 Site preservation 悠 The Green Heart Tunnel (The Netherlands) A"Green bridge tunnel"(Finland)
Site preservation The Green Heart Tunnel (The Netherlands) A “Green bridge tunnel” (Finland)
Better environment 1907 M30 before after
M30 Better Environment after before
190>7 Better use of facilities @ Sydney Opera Underground Car Park The underground car park for Sydney Opera House is the first helical underground parking station.It has a span of between 17.5m and 19m and is beneath 7m and 8m of variably weathered sandstone cover that has a strength of 15-40 MPa.It is not supported with a formed concrete arch but rather has internal reinforcement comprising about 2,000 tensioned Macalloy bar anchors up to 7.5m long and un-tensioned galvanized dowels up to 4.5m long.Excavation of the cavern and associated tunnels, involving some 130,000m of sandstone,started in late 1990 and was completed in April 1992 at a cost of about Aust$40 million
Better use of facilities Sydney Opera Underground Car Park The underground car park for Sydney Opera House is the first helical underground parking station. It has a span of between 17.5m and 19m and is beneath 7m and 8m of variably weathered sandstone cover that has a strength of 15-40 MPa. It is not supported with a formed concrete arch but rather has internal reinforcement comprising about 2,000 tensioned Macalloy bar anchors up to 7.5m long and un-tensioned galvanized dowels up to 4.5m long. Excavation of the cavern and associated tunnels, involving some 130,000m3 of sandstone, started in late 1990 and was completed in April 1992 at a cost of about Aust$40 million
902 Preservation of historical buildings ion ofofofoano.0 固17a69aa00Ga品777i阳Q▣ Town Hall underground car park Paris
Preservation of historical buildings Town Hall underground car park – Paris