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Fabrication of Type SC and SCC precast concrete girders using normal weight concrete

Description

The availability of light weight concrete aggregates has become a problem due to infrequent use in industry and Alberta precast concrete girder fabricators have recently served notice that they... More ≫

Description

The availability of light weight concrete aggregates has become a problem due to infrequent use in industry and Alberta precast concrete girder fabricators have recently served notice that they will no longer supply Type SC and SCC girders in semi-light weight concrete. The Department's Technical Standards Branch has engaged a consultant to re-design the Type SC girder series with 50 MPa standard weight silica fume concrete using the provisions of the CAN/CSA-S6-06 Canadian Highway Bridge Design Code. This new standard girder design is scheduled to be available in June 2007 and has been designated as the Type SL-510 series. The re-design of the Type SCC standard composite girder series is expected to commence later this year.

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