Structural Drafting and the Design of DetailsJohn Wiley and sons, Incorporated, 1920 - 352 من الصفحات |
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American Bridge Company bolts bottom bracing center of gravity channels chapter clearance column compression member concentrated loads connection angles corresponding countersunk cover plates crane cross section depth designed determined diagonals diameter dimension lines distance draftsman drawing drawn edge equal feet field rivets flange angles flange stress floor beam forces given horizontal I-beams inches lattice bars latticed girders LBS./SQ length live loads marks material maximum bending maximum shear method moment of inertia neutral axis number of rivets outstanding legs panel pitch placed plate girder pounds proper punched purlins radius of gyration reaction reinforcing plates resisting rivet holes rivet lines rods roof truss shearing stresses sheet shown in Fig side single spacing span splice plates steel stiffening angles structure struts templet tension member thickness tie rods top chord TRUSS BRIDGE unit stress UNIVERSITY BRIDGE COMPANY usually weight wheel width
مقاطع مشهورة
الصفحة 14 - By definition, the radius of gyration is equal to the square root of the quotient of the moment of inertia divided by the area of the section...
الصفحة 176 - The shear on a segment of a beam is the algebraic sum of all the external forces that act upon that segment. It is not a force but a sum of forces which act not at any one point but on one side of a given section plane; it is better, therefore, to speak of the shear for a section taken at a given point rather than the shear at a given section. For any section, the shear on one...
الصفحة 14 - The moment of the internal forces or stresses which resist the bending moment on a beam or girder. Restrained Beam. A beam which is restrained or " fixed " at a support. Resultant or Resultant Force. The simplest single force or system of forces which can replace a system of forces and have an equivalent effect. Reversal of Stress. The change of stress from tension to compression, or vice versa. Ridge Strut. A longitudinal strut along the ridge or peak of a roof. Right. A member is so marked when...
الصفحة 183 - The maximum moment under a load occurs when that load and the center of gravity of all the loads on the beam are equidistant from the center.
الصفحة 11 - ... MEMBERS 321 226. THE PRINCIPLE OF LEAST WORK APPLIED TO REDUNDANT MEMBERS, . 322 THEORY AND PRACTICE IN THE DESIGNING OF MODERN FRAMED STRUCTURES PART I STRESSES IN SIMPLE STRUCTURES CHAPTER I DEFINITIONS AND HISTORICAL DEVELOPMENT.:-:; SECTION I. — FORCES AND STRESSES 1. Forces. — A Force is that which tends to change the state of motion of a body. It becomes evident either as a push or a pull applied at some point of the body. Forces exerted upon a given body by another body are called...
الصفحة 176 - The moment diagram may be constructed in a similar manner; one must remember that the bending moment at any section of a beam is the algebraic sum of the moments of all the external forces on either side of the section.
الصفحة 15 - A small steel angle riveted to one member to support the end of a beam or girder.
الصفحة 175 - Since the algebraic sum of the moments of all the forces about any point equals zero...
الصفحة 183 - ... as the center of gravity of all the loads on the beam is from the other support.