I.C.S. Reference Library, Volume 34International Textbook Company, 1905 |
Common terms and phrases
Axis 1-1 Inches beam bending bending moment bolts bracket brick building calculated carbon cast-iron column cement mortar center of gravity Channel Column chord clay color column section composed compressive stress concentrated load concrete Cover-Plates dead load depth diameter distance durable eccentric loading equal factor of safety feet feldspar fiber stress flange flange plates floor foot-pounds formula granite holes horizontal inertia iron length limestone live load masonry material metal method minerals moment of inertia multiplied neutral axis number of rivets obtained panel pitch plate girder Portland cement pounds per square quartz radius of gyration reaction reenforced resistance rocks roof safe load sand section modulus shear shown in Fig span splice square foot square inch steel stiffeners stone structural surface Table tensile tensile stress thickness timber tion truss ultimate strength unit stress usually vertical web-plate yellow pine Z-bar column ΙΟ
Popular passages
Page 39 - ... and the perpendicular distance from the line of action of the force to the axis of rotation, F times d in figure 2.5.
Page 36 - B, from B to C, from C to D, from D to E, and from E to A ; and measure the distances AB, BC, CD, DE, and EA.
Page 3 - If the soil is a layer of dry sand fifteen feet or more in thickness, and without admixture of clay, loam or other foreign substance, it shall not be loaded more than at the rate of four thousand pounds per square foot...
Page 9 - But if the Superintendent of Buildings shall have cause to doubt the correctness of said estimate he is empowered to revise and correct the same, and for the purpose of such revision the officers and...
Page 9 - And thereupon the owner or occupant of said building, or of any portion thereof, shall post a copy of such approved estimate in a conspicuous place on each story, or varying parts of each story, of the building to which it relates. Before any building hereafter erected is occupied and...
Page 11 - Where no test of the sustaining power of the soil is made different soils, excluding mud, at the bottom of the footings, shall be deemed to safely sustain the following loads to the superficial foot, namely: Soft clay, one ton per square foot; ordinary clay and sand together, in layers, wet and springy, two tons per square foot...
Page 9 - Art. 54; and then we use formula 9, as in the examples of the preceding article. Example. It is required to compute the radius of gyration of the section represented in Fig. 30 (page 52) with respect to the axis AA. In example 1, Art. 54, it is shown that' the moment of inertia of the section with respect to the axis AA is 429 inches4.
Page 72 - No work shall be done in freezing weather, except when the influence of frost is excluded. After prolonged freezing weather, the work shall not be taken up again in warmer weather until the approval of the building authorities has been obtained. Until sufficient hardening of the concrete has occurred, the structural parts shall be protected against the effect of freezing and premature drying as well as against vibrations and loads. If freezing weather occurs during the hardening period, the time...
Page 48 - I r, in which 5 = allowable compressive stress for steel in pounds per square inch, / = length of column in inches, r = least radius of gyration in inches.