Engineering for Architects

A handbook with mathematical information to help architects overcome simple engineering problems in the design of floor beams, girders, column sections, grillage beams, and simple roof trusses. Preface Content CHAPTER I. Failure of beams. Definition of “Moment.” Formula for the maximum bending moment caused by a uniform load. The use of handbooks CHAPTER II. Wood beams. Moment of Inertia. Safe loads; Floor Construction CHAPTER III. Concentrated Loads. Reactions. Points of maximum bending moment, and shear diagrams. Method of finding M, the maximum bending moment. Method of finding the section modulus when M is measured in foot-tons. The design of spandrel beams. CHAPTER IV. “Built up” Girders. Depth of girder. Thickness of web plate. Maximum bending moment. Area of flanges. Length of cover plates and bending moment diagram. Stiffeners CHAPTER V. Columns. Formulas. Assumed section and safe stress per square inch. Dimensions. Moments of inertia. Radii of gyration. Actual safe working stress. Supporting value of section. Checks CHAPTER VI. Grillage beams. Failure by crushing. Assumed number of beams in lower layer. Calculated lengths. Size of concrete footing. Checks. Grillage for outside columns CHAPTER VII. Grillage foundations on soil. Size of concrete footing. Length of beams. Maximum bending moment and section modulus of upper beams. Tests for shearing and crushing. Design of lower layer of beams. Footings for corner columns. Cantilever beams CHAPTER VIII. Steel Framing Plan. Record of calculations. “Filling-in” beams. Girders. Trial calculations CHAPTER IX. Column Schedules. Formulas. Loads. Column sections. Checks. Eccentric loads CHAPTER X. Graphical Methods of Indicating Forces. Composition of forces. Resultants and equilibrants. Points of application. Graphical methods applied to simple beams CHAPTER XI. Simple Truss Problems. Fan truss. Fink truss. French Truss. Wind load diagram, both ends of truss fixed CHAPTER XII. Wind Load Diagram – One end free. Tabulating of stresses. Cantilever Trusses