CONTENTS•

Section Subject Page

I Introduction 5

II Estimating the Frame Dimensions 6

III Hinged or Fixed Supports 7

IV Moment of Inertia 8

V Forces Acting on Rigid Frames 9

VI Short Method of Moment Determination 11

VII Analysis by Moment Distribution 13

VIII Correction for Deck Curvature 17

IX Method of Stress Determination 32

X Reinforcement and Other Details 37

XI Skew Rigid Frames 39

Problem Subject Page

1. Frame Dimensions, Axes and Coefficients 18

2. Distribution of Fixed End Moment 20

3. Dead Load 21

4. Live Load 23

5. Change in Length of Deck and Horizontal

Displacement 25

6. Earth Pressure 27

7. Dissymmetry and Sidesway 28

8. Shears 30

9. Stresses at Crown and Corner 34

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