Structural Engineers Handbook

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Structural Engineers Handbook

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Preface

The aim in writing this book has been to give data, details and tables for the design and construction of steel bridges and buildings. The book is written for the structural engineer and for the student or engineer who has had a thorough course in applied mechanics and the calcu- lation of stresses in structures. To this end data and tables that will be of service to the designing and constructing engineer have been given, rather than predigested data and designs that might be used by the untrained. The book is intended as a working manual for the engineer, draftsman and student and covers data, details and tables for the design of the structures ordinarily met with. Swing and movable bridges, cantilever and suspension bridges require special treatment and have not been considered. As the book is intended to supplement the present books on stresses the calculation of stresses in bridges and buildings has been only briefly considered. The calculation of stresses in retaining walls, bins, stand-pipes, and other structures not ordinarily covered in text-books on stresses have been given in compact form. Great care has been used to give examples of structures that represent standard practice. With a few exceptions the draw- ings of details of structures have been especially prepared for this book from actual working plans. The book is a source b(K)k and is not a treatise, and is intended to furnish data and details that arc available only to a few engineers; and standard specifications for materialsand workmanship that are available only in transactions of societies and in special treatises.

The tables giving properties of columns, top chords, plate girders and struts have been cal- culated especially for this book, and arc original in material and arrangement. In calculating the tables only those sections which comply with standard specifications have been given. The tables have been calculated by the use of calculating machines and have been checked wdth great care. The values will be found to be correct to one unit in the last place given. Properties of Carnegie and Bethlehem sections arc given in a compact form for easy reference. The tangents of the angle of the axis giving the least radius of gyration, given in the tables giving properties of Carnegie angles, were taken from Cambria Steel. With the exception of a few special I beams and channels the tables may be used for Cambria, Pencoyd and Jones & Laughlin angles, I beams and channels. The American Bridge Company standards for eye-bars, loop-bars, clevises, pins, and other structural details arc given. Tables of logarithms, function of angles and tables that are easily available have not been included.

The size of the book and the size of the type page were selected for the reasons that they give a book of standard size with a type page large enough so that each table can come squarely on one page, and large enough so that complete plans of structures can be given. A large clear type was selected for both the text and for the tables. The paper has been selected with the idea of clear- ness of the printed page.

This book is a result of many years' work, during which time the author has written four books on structural engineering. In writing this book the author has drawn on his other books, although much of the material given on steel mill buildings and highway bridges is new, and the Structural Engineers' Handbook supplements the author's other books.

Data and details have been obtained from many sources, to which credit has been given in the body of the book. The author is under special obligation to many engineers, to which special acknowledgment cannot be made on account of lack ol space.

TOC

Chapter I. Steel Roof Trusses and Mill Buildings.
Chapter II. Steel Office Buildings.
Chapter III. Steel Highway Bridges.
Chapter IV. Steel Railway Bridges.
Chapter V. Retaining Walls.
Chapter VI. Bridge Abutments and Piers.
Chapter VII. Timber Bridges and Trestles.
Chapter VIII. Steel Bins.
Chapter IX. Steel Grain Elevators.
Chapter X. Steel Head Frames and Coal Tipples.
Chapter XI.Steel Stand-Pipes and Elevated Tanks on Towers
Chapter XIa. Self-supporting Steel Stacks.
Chapter XII. Structural Drafting.
Chapter XIII. Estimates of Structural Steel.
Chapter XIV. Erection of Structural Steel.
Chapter XV. Engineering Materials.
Chapter XVI. Structural Mechanics.
Chapter XVII The Design of Steel Details.