# Graphical Analysis: A Text Book on Graphic Statics

McGraw-Hill book Company, Incorporated, 1921 - 374 σελίδες

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Σελίδα 254 - A, by n, the ratio of the modulus of elasticity of steel to that of concrete. For compressive reinforcing, the area A„.
Σελίδα 76 - Let it be required to find the moment of inertia of the area of the circle (Fig.
Σελίδα xiv - S is taken to represent the allowed stress in the outermost fiber (ie, the extreme fiber stress), c is the distance from the neutral axis to the outermost fiber, and / is the moment of inertia of the cross-section of the pin.
Σελίδα 79 - Now let it be assumed that the moment of inertia and the radius of gyration of the area about xx are found by graphical construction.
Σελίδα 113 - ... the span in feet.- A similar series of designs was made by using white pine instead of longleaf yellow pine, and the trusses were found to be somewhat lighter. A comparison of five designs of...
Σελίδα 114 - Various formulas have been proposed for determining the weights of steel roof-trusses, and among them is the following, deduced by Milo S. Ketchum, Assoc. M. Am. Soc. CE...
Σελίδα 3 - Or we may say that any system of forces is in equilibrium when any one of them is the anti-resultant of all the others. Composition of Forces. — Combining the forces of a system in order to obtain an equivalent system with a fewer number of forces, perhaps only one. Resolution of Forces. — The reverse of the composition process. The process of finding for a given system of forces an equivalent system with a larger number of forces. Component. — When a force is resolved into two or more forces,...
Σελίδα 114 - Yellow pine sheathing 1 inch thick 4 Tiles, flat 15 to 20 Tiles, corrugated 8 to 10 Tiles on concrete slab 30 to 35 Plastered ceiling 10 See Ketchum's Structural Engineers
Σελίδα 285 - This means that the unit horizontal shear and also the unit vertical shear increases from zero at the top to a maximum at the neutral axis and then decreases down to zero again at the bottom.
Σελίδα 47 - This was done by drawing a line from a vertex to the midpoint of the opposite side and locating its third point.