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CSA S6.1

Commentary on CSA S6:19, Canadian Highway Bridge Design Code

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Organization: CSA
Publication Date: 1 January 2019
Status: active
Page Count: 1,092
scope:

Scope of Code

The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely derived from the preceding OHBDC edition. The provinces and CSA then agreed that the successor edition to both codes would be the Code, published by CSA.

The scope of the Code is a little broader than that of the third and last edition of the OHBDC (MTO 1991). Long span bridges and movable bridges are included. Over the years, new sections have been added to the Code, namely Section 16 on Fibre-reinforced Structures and Section 17 on Aluminum Structures. The 2019 edition of the Code includes a new annex in Section 8 on fibre-reinforced concrete. In addition to incorporating newer technology, more emphasis is placed on criteria related to seismic design, durability, sustainability, and access for inspection and maintenance. Also new in the 2019 edition of the Code are limited climate change requirements and guidance provided for the design of structures in impacted regions of Canada.

The scope statement lists types of structures to which the Code is not intended to apply. The list is not exhaustive. The application of the Code to the types of structures listed is not precluded where the owner of the structure has designated all or part of the Code as being applicable.

Scope of this Section

Geometrical provisions have been minimized by referring to the Geometric Design Guide for Canadian Roads (TAC 2017).

Many catastrophic failures have been caused by scour at bridge piers and abutments. Good hydraulic design is a fundamental requirement for bridges. Basic hydraulic requirements are specified in the Code, and reference is made to the Guide to Bridge Hydraulics (TAC 2004) for guidance concerning good hydraulic design and detailing.

Document History

CSA S6.1
January 1, 2019
Commentary on CSA S6:19, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
December 1, 2014
Commentary on CAN/CSA-S6-14, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
January 1, 2014
Commentary on CSA S6-14, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
January 1, 2014
Commentary on CSA S6-14, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
November 1, 2006
Commentary on CAN/CSA-S6-06, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
November 1, 2006
Commentary on CAN/CSA-S6-06, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
November 1, 2006
Commentary on CAN/CSA-S6-06, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
November 1, 2006
Commentary on CAN/CSA-S6-06, Canadian Highway Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CAN/CSA-S6-88 was generated with interprovincial co-operation for use in the other provinces of Canada and was largely...
January 1, 2000
Commentary on CSA Standard CAN/CSA-S6-00, Bridge Design Code
Scope of Code The OHBDC (MTO 1991) was written for application within Ontario. CSA S6 (CSA 1988) was generated with interprovincial cooperation for use in the other Provinces of Canada and was...
January 1, 1990
Commentary on CSA Standard CAN/CSA-S6-88 Design of Highway Bridges
The S6 Standard is prepared for use during the design of normal roadway bridges. It uses approximations to represent the load effects, which, when combined with the material resistance requirements,...

References

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