owner

State of vaud - switzerland

public roads department

project

twin bridges in prestressed concrete erected by balanced cantilever method
curved layout, on the highway between lausanne and
bern

scope of work of T ingénierie sa

civil engineers joint venture :
gvh, bg bonnard & gardel, T ingenierie sa, c. notheisen

scope of work of T ingenierie sa :

• conceptual design for the competition
• project competition won in 1994
• calculation of prestressing losses during erection phases

specifications

• overall length : 570 m
• max height over ground level : 120 m
• spans of 93 m, 135 m, 150 m, 120 m, 70 m
• free cantilever bridge, cast in place with temporary stays between piers during erection
• foundations on piles, blocks and shafts
• total cost : approx. chf 38’000’000 .-

schedule

construction 1996 - 1999