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Carrying water main across Bascule bridge
Bridge at Bangkok, in Siam, has central opening span of double bascule type, giving clear span of 60 m. in length, while approach spans are each 85 mm. long; opportunity provided by erection of bridge was taken to carry across river water main; it was not possible to lay pipe line on bed of river; it had to be carried by bridge, and means had to be provided for breaking and re-making pipe line whenever bridge was opened and closed; sluice valves and hydraulic coupling are operated and controlled electrically.
Carrying water main across Bascule bridge
Bridge at Bangkok, in Siam, has central opening span of double bascule type, giving clear span of 60 m. in length, while approach spans are each 85 mm. long; opportunity provided by erection of bridge was taken to carry across river water main; it was not possible to lay pipe line on bed of river; it had to be carried by bridge, and means had to be provided for breaking and re-making pipe line whenever bridge was opened and closed; sluice valves and hydraulic coupling are operated and controlled electrically.
Carrying water main across Bascule bridge
Engineer
Engineer ; 152
1931
2 Figs.
Article (Journal)
English
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