THE DESIGN OF HIGHWAY BRIDGES OF STEEL, TIMBER AND CONCRETE/ M.S. KETCHUM

Part 1: The calculations of stresses in bridge trusses. Chapter 1:Methods for the calculation of stresses in framed structures. 1. Representation of forces. 2. Equilibrium. 3. Resolution. 4. Moments. 6. Equilibrium polygon. 7. Graphic moments. 8. Bending moments. 9. Bending moments in a beam. 10. Equilibrium polygon as a framed structures. 11. Algebraic moments: stresses in roof truss. 12. Algebraic moments: stresses in a bridge truss. 13. Graphic moments. Chapter 2: Stresses in beam. 1. Reactions of a simple beam. 2. Reactions of a cantilever beam. 3. Moments and shears in beam: concentrated loads. 4. Moments and shears in beam: Uniform loads. 5. Design of beams. Chapter 3: Stresses in highway bridge trusses. 1. Loads. 2. Algebraic resolution 3. Graphic moments. Chapter 4: Stresses in railway bridge trusses. 1. Loads. 2. Cooper's conventional systems of wheel concentrations. 3. Equivalent uniform load system. 4. Moments table. 5. Kinds of stress. 6. Calculations of stresses due to wheel concentrations. 7. Influence diagrams. 8. Moment diagram. Chapter 5: Stresses in lateral systems. 1.Wind loads. 2. Stresses in lateral systems. 3. Skew bridge. 4. Initial stresses. Chapter 6: Stresses pins, eccentric and combined stresses, deflections of truss stresses in rollers and camber. 1. Stresses in pins. 2. Combined and eccentric stresses. 3. Combined compression and cross- bending stresses in end-post. 4. Combined tension and cross-bending weight. 5. Diagram for stresses in bars due their own weight. 6. Deflections of trusses. 7. Stresses in rollers. 8. Camber. Chapter 7: The solutions of problems in the calculation of stresses in bridge trusses. Part 2: Design of steel and timber bridges. Chapter 8: Types of bridges. 1. Introduction. 2. Types of trusses and bridge. 3. Beams and plate girders. 4. Swing bridges. 5. Steel trestles. 6. Steel arches. 7. Cantilever bridges. 8. Suspension bridge. Chapter 9: Data for the design of steel highway bridges. 1. Types of structures. 2. Width of roadway. 3. Loads. 4. Weights of bridges. 5. Weights of steel highway bridges. 6. Live loads. 7. Impact. 8. Concentrated live loads. 9. Distribution of concentrated loads. 10. Uniform live loads for trusses. 12. Uniform live loads for floors. 13. Wind loads for highway bridges. 14. Snow load. 15. Live loads for railway bridges. Chapter 10: Design of highway bridge floors. 1. Types of floors. 2. Reinforced concrete floor slabs. 3. Buckle plates. 4. Plank floors. 5. Laminated timber floor. 6. Wearing surfaces for highway bridge floors. Chapter 11: Design of beam highway bridges. 1. Introduction. 2. Examples. 3. Design of steel I- beam highway bridge, Chapter 12: Design of low truss highway bridges. 1. Design of riveted trusses. 2. Examples of low truss bridges. 3. Pin-connected low truss bridges. 4. Temperature changes. 5. Weight of low truss bridges. 6. Length of span. 7. Design of a steel through plate girder. Chapter 13: Design of high truss steel highway bridges. 1. Introduction. 2. Riveted highway bridges. 3. Pin-connected highway bridges. 4. Economic depth panel length of high trusses. 5. Design of high riveted Pratt truss. Chapter 6: Design of steel highway bridges details. 1. Proportions of girders and trusses. 2. Economics span. 3. Kinds of stress. 4. Impact stresses. 5. Temperatures stresses. 6. Centrifugal stresses. 7. Allowable stresses. 8. Minimum thickness of metal. 9. Tension members. 10. Compression members. 11. Pins. 12. Lateral pins. 13. Laterals connections. 14. Shoes and pedestals. 15. Fence and hub guards. 16. Waterproofing. 17. Painting. 18. Painting railroad. 19. Painting timber structures. Chapter 7: Design of timber bridges and trestles. 1. Introduction. 2. Timber trestles. 3. Timber truss bridges. 4. Details of design. 5. Definitions of timber bridges and trestles. 6. Structural timber. 7. Standard defects of structural timber. 8. Piles and pile drive. 9. Pile driving-principles of practice. 10. General specifications for timber bridges and trestles. Part 3: Design of reinforced concrete bridges and culverts. Chapter 8: Types of reinforced concrete bridges. 1. Slab bridges. 2. T.beam bridges. 3. Deck girder bridges. 4 Through girder bridges. Chapter 9: Stresses in reinforced concrete. 1. Standard notation. 2. Stresses in rectangular beams. 3. Stresses in T-beams. 4. Design of T-beams. 5. Stresses in beams reinforced for compression. 6. Flexure and direct stress. 7. Columns. 8. Bond stress. 8. Diagonal tension in concrete. 9. Abstract of report of committee on concrete of American society of civil engineers. Chapter 10: Design of retaining walls.1. Calculations of the pressure on retaining walls. 2. Rankine's theory. 3. Coulomb theory. 4. Wall with loaded filling. 5. Wall with negative surcharges. 6. Stability of retaining walls. 7. General principles of design. 8. Design of retaining walls. 9. Data on retaining walls. 10. Examples. 11. Design of retaining wall and abutments. 12. Problems in design of retaining walls. Chapter 13: Design of bridges abutments and piers. 1. Types of abutments. 2. Principles of design. 3. Design of bridge piers. 4. Allowable pressure on foundation. 5. Waterway for bridges. 6. Preparing the foundations. 7. Examples of abutments. 8. Examples of piers. 9. Steel tubular piers. 10. Timber abutments. Chapter 14: Design of reinforced concrete bridges. 1. Slab bridges. 2. T-beam bridges. 3. Deck girders. 4. Lowa highway commission. 5. Through- deck Girder Bridge. 6. Expansion rockers. 7. Overflow bridges. 8. Cantilever reinforced concrete girders. 9. Reinforced concrete girders. 10. Reinforced concrete trestle bridges. 11. Design of reinforced concrete bridges. 12. Design of a concrete slab bridge.13. Design of a concrete slab bridge. 14. Design of concrete T-beam bridges. 15. Design of a through girder bridge. Chapter 15: Design of culverts. 1. Types of culverts. 2. Design of culverts. 3. Timber culverts. 4. Pipe culverts. 6. Head walls. 7. Box culverts. 8. Reinforced concrete culverts. 9. Plain arch culverts. 10. Reinforced concrete arch culvert. 11. Relative costs of culvert. Chapter 16: Design of concrete arch bridges. 1. Introduction. 2. Definitions. 3. Stresses in a two-hinged arch. 4. Stresses in an arch without hinges. 5. Influences diagrams. 6. Live loads on highway arch bridges. 7. Allowable stresses. 7. Distribution of loads through fills. 8. Allowance for temperature. 9. Arch loading. 10. Division of arch ring. 11. Best shape of arch axis. 12. Empirical rules for thickness of arch ring. 13. Variation in thickness of arches Rib. 14. Reinforcement of arch rings. 15. Examples. Part 4: Construction of highway bridges. Chapter 17: Bridge engineering. 1. Bridge surveys. 2. Bridges plans. 3. Design plans. 4. Bridges contracts. 5. Advertisements for bids. 6. Contract. 7. General specifications for construction of a highway bridge. Chapter 18: Construction of highway bridges. 1. Estimates of weight of steel highway bridges. 2. Estimates of lumber. 3. Estimates of cost. 4. Shop costs ofindividual parts of bridges. 5. Shop costs bridges as a whole. 6. Cost of erection of steel bridges. 7. Cost of painting. 8. Estimated cost of a riveted truss highway bridges. 9. Cost of masonry abutments and piers. 10. Estimates of concrete highway bridges and foundations. 11. Cost of materials. 12. Cost of mixing and placing. 13. Cost of forms and falsework. 14. Cost of placing reinforcement. 15. Examples of cost concrete highway bridges.

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