International Library of Technology: A Series of Textbooks for Persons Engaged in the Engineering Professions and Trades, Or for Those who Desire Information Concerning Them, Volume 96International Textbook Company, 1908 |
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Common terms and phrases
angles assumed average intensity beam bending bending moment center line center of gravity center of moments chord members chord stresses combined stress compression compression members cot H counter csc H dead-load stress distance end posts equal equation eyebars flanges floorbeam force polygon forces acting funicular girders h₁ influence line intersection joint left end left reaction line of action linear foot live-load shear loaded chord lower chord main diagonal maximum live-load stress maximum stress method method of moments Moment of Inertia panel CD panel lengths panel points parallel plane plate portal pounds per linear pounds per square Pratt truss R₁ Radius of Gyration represented in Fig right end rivets S₁ shear in panel shown in Fig span square inch stress diagram stress in CD stringers tension thickness uniform load upper chord vector vertical component W₁ W₂ Warren truss wind pressure zero
Popular passages
Page 35 - Since the resultant moment of several forces about any point is equal to the moment of the resultant of the forces about...
Page 14 - The force polygon must close; for, otherwise, the vector drawn from the origin of the first vector to the end of the...
Page 18 - Rt and the resultant of the wind loads, the three external forces must meet in a point if produced. This furnishes a method for determining the reactions, where the direction and line of action of one and a point in the line of action of the other are known, providing the point of intersection of the three forces comes within the limits of the drawing board.
Page 16 - V is equal to the algebraic sum of the vertical components of the stresses in ab and Ab.
Page 2 - These floors have not been in use for a sufficient length of time to establish their suitability for this purpose.
Page 2 - A' through the truss and consider the forces acting on the part of the truss to the left of the section.
Page 9 - The maximum moment in a beam supporting two equal loads will occur under either load when the two loads are on opposite sides of the center and one of the loads is at a distance from the center equal to one-fourth the distance between the loads. 3.
Page 84 - ... the sum of the horizontal components of the stresses in the web members intersecting at that point. The results for g or h or k may be easily verified by the method of moments. Let / be the span in feet, and d the depth of a flanged beam, in feet also ; then if w is the load per foot, the flange stress at the centre, as is well known, will...
Page 6 - X 6", or i" bolt 6" long, would mean a bolt having a shank \" in diameter and 6" long from the under side of the head to the end of the stem, having the dimensions of the bolt shown in Fig. 62. The dimenFig.
Page 10 - The theorem states that the moment of inertia of the mass of a body with respect to any plane is equal to the sum of the moment of inertia of the...