Transcription of Chapter 5 Concrete Structures Contents
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WSDOT bridge Design Manual M Page 5-i June General .. Materials .. Concrete .. Reinforcing Steel .. Prestressing Steel .. Prestress Losses .. Prestressing Anchorage Systems .. Post-Tensioning Ducts .. Design Considerations .. Service and Fatigue Limit States .. Strength-Limit State .. Strut-and-Tie Model .. Deflection and Camber .. Construction Joints .. Inspection Access and Lighting .. Reinforced Concrete Box Girder Bridges .. Box Girder Basic Geometries .. Reinforcement .. Crossbeam .. End Diaphragm .. Dead Load Deflection and Camber .. Thermal Effects .. Hinges .. Drain Holes .. Hinges and Inverted T-Beam Pier Caps .. bridge Widenings .. Review of Existing Structures .. Analysis and Design Criteria .. Removing Portions of the Existing structure .. Attachment of Widening to Existing structure .
as controlled as they are for precast bridge components, Class 4000 concrete is typically used. Where significant economy can be gained or structural requirements dictate, Class 5000 concrete may be used with the approvals of the State Bridge Design Engineer, State Bridge Construction Office, and WSDOT Materials Lab. 2. Prestressed Concrete Girders
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