TRANSVERSE REINFORCEMENT OF CONTINUOUS, TROUGH-SHAPED CONCRETE RAILROAD STRUCTURES
TRANSVERSE REINFORCEMENT REQUIREMENTS FOR TROUGH-SHAPED, CONTINUOUS, 2-SPAN, CONCRETE RAILROAD STRUCTURES WERE STUDIED. THE EFFECTS OF THREE SPAN, CONCRETE RAILROAD STRUCTURES WERE STUDIED. THE EFFECTS OF THREE SPAN LENGTHS, THREE WEB SLOPES, TWO LIVE LOADINGS AND THREE VALUES OF POISSON'S RATIO WERE CONSIDERED. EFFECTS OF LONGITUDINAL PRESTRESSING FORCES WERE ALSO STUDIED. DEAD AND LIVE LOAD STRESSES WERE DETERMINED BY MEANS OF A COMPUTERIZED FINITE ELEMENT PROGRAM. THEORETICAL RESULTS INDICATED NEED FOR AT LEAST TWO PATTERNS OF TRANSVERSE REINFORCEMENT, A VARIATION FROM THE GENERAL PATTERN BEING REQUIRED FOR ONE-EIGHTH OF THE SPAN LENGTH ON EITHER SIDE OF THE INTERIOR SUPPORT. A THIRD PATTERN MAY BE REQUIRED BY LOCALIZED HIGH PRESTRESSING FORCE IN THE VICINITY OF THE END SUPPORTS. CHARTS ARE PRESENTED FOR CONVENIENT DETERMINATION OF TRANSVERSE REINFORCEMENT REQUIREMENTS FOR STRUCTURES WITH PARAMETRIC CONDITIONS SIMILAR TO THOSE STUDIED. A SAMPLE THEORETICAL ANALYSIS OF A STRUCTURE WITH DIFFERENT PARAMETRIC CONDITIONS IS ALSO PRESENTED. /AUTHOR/
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Corporate Authors:
California Department of Public Works
1120 N Street
Sacramento, CA United States 95814California Division of Highways
Bridge Department
Sacramento, CA United States 05914Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC United States 20590 -
Authors:
- Spannagel, D W
- Boyd, D W
- Davis, R E
- Publication Date: 0
Subject/Index Terms
- TRT Terms: Bridge design; Bridges; Concrete bridges; Design; Loads; Simulation; Structural analysis; Structural design; Transverse reinforcement
- Uncontrolled Terms: Loading; Parameters
- Old TRIS Terms: Concrete bridge structures; Design combinations
- Subject Areas: Bridges and other structures; Design; Highways;
Filing Info
- Accession Number: 00208024
- Record Type: Publication
- Source Agency: Federal Highway Administration
- Report/Paper Numbers: Study No D-4-53
- Files: TRIS, USDOT
- Created Date: Mar 27 1972 12:00AM