Page:Professional papers on Indian Engineering (second series).djvu/115

 No. CCXCVII.

THEORY OF THE BRACED ARCH-INDUS BRIDGE AT SUKKUR.

[Vide Plates I.–V.]

By Capt. Allan CUNNINGHAM, R.E., Hon. Fell. King's Coll., London.

CONTENTS.

CHAPTER I. Art. 1. Introduction.

CHAPTER II.-STRESSES IN BRACED ARCH. Art. 2. Theory of the Braced Arch. 3. Properties of Equilibrium-Curve. 4. Calculation of Flange-Areas. 5. To draw an Equilibrium-Curve. 6. Method i, By calculation. 7. Method ii, By graphic construction. 8. Use of the Diagram. 9. Effect of travelling Load. 10. Formulæ for Equilibrium-Curve. 11. Error in approximate formulæ for Flange-Areas.

CHAPTER III.-APPLICATION TO INDUS BRIDGE OF THEORY OF CHAP. II. Step. I. Calculation of applied Loads. II. Calculation of Moments and of Abscissæ of Centres of Gravity. 69 L