SAS falsework Eastern span replacement of the San Francisco–Oakland Bay Bridge

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falsework parallel truss bridges temporarily supporting deck segment box structures


the entire deck structure must supported in precise alignment until:



the end caps anchors , turning , tensioning saddles complete.
the tower main cable saddle complete.
all deck segments in place , joined.
the internal tendons placed , tensioned.
the main cable spun.
all suspender cables in place , adjusted tension.
the main cable tension balanced on each side. (this maintained suspender cables tensioned.)

the falsework perform task pair of substantial truss bridges, prefabricated in segments, columns , span segments lifted place barge cranes. trusses supported on foundations consisting of or built atop driven piles. upon completion of bridge, entire falsework structure , exposed underwater supports removed make safe channel deep draft ships transiting , port of oakland.







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