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Title: 358.1R-92: Analysis and Design of Reinforced Concrete Guideway Structures

Author(s): ACI Committee 358 and 343

Publication: Technical Documents



Appears on pages(s): 35

Keywords: guideways


Date: 9/1/1992


Note: 358.1R-92 is Out of Print. However, a PDF version is available.

These recommendations, prepared by Committee 358, present a procedure for the design and analysis of reinforced and prestressed-concrete guideway structures for public transit use. The document is specifically prepared to provide design guidance for elevated transit guideways. For items not covered in this document the engineer is referred to the appropriate highway and railway bridge design codes. Limit states philosophy has been applied to develop the design criteria. A reliability approach was used in deriving load and resistance factors and in defining load combinations. A target reliability index of 4.0 and a service life of 75 years were taken as the basis for safety analysis. The reliability index is higher than the value generally used for highway bridges, in order to provide a lower probability of failure due to the higher consequences of failure of a guideway structure in a public transit system. The 75-year service life is comparable with that adopted by AASHTO for their updated highway bridge design specifications.