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Reference book for statical calculations
REFERENCE BOOK FOR STATICAL CALCULATIONS
Force-diagrams for frameworks, tables, instructions for statical calculations etc. for all classes of building and engineering.
By Francis Ruff, 1905.
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Reference Book for Statical calculations
PREFACE TO THE GERMAN EDITION.
The following work is, so far as I am aware, the first attempt to present the applications of statics to the constructions most frequently appearing in technical work, in a comprehensive and easily graspable manner.
As a model, I have taken that excellent work "Lehmanns Hand-Atlanten fur Medizin". I started with a clear recognition of the fact, that few practical men find it to their taste to gather the requirements of the moment from complicated and often obscure directions, such as occur in the present works of reference. This process is not only irksome to a degree, but it involves the expenditure of much valuable time.
I have accordingly made it the goal of my endeavours, to place in the hands of Engineers a practical book, which will enable them to carry out any desired statical calculation with ease and rapidity.
To the business man also is the work of great use, especially for estimates, designs, and rapid general supervision.
The compendium of tables at the end of the work has been added on purely practical grounds, and will certainly spare the possessor of the book an infinity of labour.
The "Reference Book'' is not designed to teach, but to inform, and to give insight into the employment of force-diagrams in all ordinary cases.
It is to be hoped that the labour has not been in vain.
For my trouble there could be no greater reward than that the "Reference Book of Statical Calculations" should meet with a favourable reception by fellow-workers, fulfilling thus its earnest purpose of furthering individual and collective progress.
The Author.
The following work is, so far as I am aware, the first attempt to present the applications of statics to the constructions most frequently appearing in technical work, in a comprehensive and easily graspable manner.
As a model, I have taken that excellent work "Lehmanns Hand-Atlanten fur Medizin". I started with a clear recognition of the fact, that few practical men find it to their taste to gather the requirements of the moment from complicated and often obscure directions, such as occur in the present works of reference. This process is not only irksome to a degree, but it involves the expenditure of much valuable time.
I have accordingly made it the goal of my endeavours, to place in the hands of Engineers a practical book, which will enable them to carry out any desired statical calculation with ease and rapidity.
To the business man also is the work of great use, especially for estimates, designs, and rapid general supervision.
The compendium of tables at the end of the work has been added on purely practical grounds, and will certainly spare the possessor of the book an infinity of labour.
The "Reference Book'' is not designed to teach, but to inform, and to give insight into the employment of force-diagrams in all ordinary cases.
It is to be hoped that the labour has not been in vain.
For my trouble there could be no greater reward than that the "Reference Book of Statical Calculations" should meet with a favourable reception by fellow-workers, fulfilling thus its earnest purpose of furthering individual and collective progress.
The Author.
Preface to the English Edition.
The universal approbation which the first edition of this book has met with in Germany and France, has convinced me of the fact that my work has not only aroused appreciative interest, but has also satisfied practical requirements.
I have therefore much pleasure in conforming to a widely expressed desire and presenting to my fellow workers in Great Britain and the British Colonies a translation of my work.
I hope that the "Rapid Statics" may prosper and widely extend itself in these lands also.
The Author.
CONTENTS
Preface to the German Edition
Preface to the English Edition
Hints to Readers
Table of moments of inertia and resistance to bending of the cross sections most in use
Formula for bending most in use
Transverse forces and moments of application for simple beams,
1. Concentrated loads
2. Distributed loads
Introductory note to the force-diagrams
Dimensions of the single bars
I Bridge Trusses.
Simple truss
Double truss
Triple truss
Triple truss, the lower members on each side not being in the same straight line
II. Strut Frames.
Simple Strut Frames
Double Strut Frames
III. Roof Construction.
Roof trusses with the principal rafters unbraced
Do. Wind pressure being taken into account
Sheds
Simple System, Polonceau
Do. Wind pressure being taken into account
Double System, Polonceau
English Roofing
Gross beams
Domes
IV. Cantilevers.
Free projecting roof
Projecting roof with tie rod
V. Open web girders.
Simple parallel beam
Warren girders without vertical extremities
Warren girders as suspension work
Warren girders with upper flange oblique
Suspension work with lower member arched
Fish belly shaped beams
Web girder with upper flange arched
Parabolic girders
VI. Curved beams with 3 joints
VII. Suspension bridges
VIII. Framework columns
IX. Earth pressure
X. Sustaining walls
XI. Vaults with abutments
XII. Concrete constructions, System Hennebique
XIII. Moments of inertia and resistance to bending.
German Standard sections for T- beams
Sections in use for corrugated iron
Principle Dimensions for plate beams
XIV. Pillars.
Round cast iron pillars.
Square cross section with circular rafters
Hollow cast iron pillars rectangular
Pillars
Cast iron pedestals for bow windows
XV. Weights Tables,
Tables for Timber
Weights of railway bridges
Weights of street bridges
Weights of various materials
Specific weights and loads used in building
Strength of walls for buildings
Working stress of building materials
Breaking Point of some materials
Rivets for constructions in iron
Number of rivets necessary for angle iron
Do for flat iron
Whitworth's Screw System
Cross Sections for girders and lattice work
The worlds greatest bridges
Literature
Notes for statical calculations
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