Other Considerations
Expansion The design of steel railway bridges should allow for a change in length due to temperature change of 1 in […]
Structural Analysis
Other Limit States at Connections
The AISI Specification gives procedures for checking certain other important limit states at member end connections. Included are shear-lag effects in
Owners Concerns
The railroad bridge designer is frequently involved in planning for the replacement of an existing bridge that is carrying operating tracks.
Orthotropic-Plate Girder Bridges
In orthotropic-plate construction, a steel-plate deck is used instead of concrete. The plate is topped with a wearing surface that may
Orthotropic-Deck Bridges
In orthotropic-deck construction, the deck is a steel plate overlaid with a wearing surface and stiffened and supported by a rectangular
Open-Web Joists
Although more frequently used for moderate- to long-span roof framing, open-web steel joists (Fig. 8.17) are sometimes used for floor framing
Nominal Loads
The nominal loads for design should be according to the applicable code or specification under which the structure is designed or
Nominal Resistance for LRFD
The nominal resistance of the various bridge components, such as flexural members, webs in shear, and fasteners (bolts or welds), is
Need for Longer Spans
Horizontal navigation clearances have increased in recent years to accommodate the increasing size and volume of marine traffic. The intense competition