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allowed angles applied arch axis bars base beams bearing bending blocks bolts brick building built cement cent centre channels Chapter column computed concrete connections considered construction continuous depth desired determine diameter distance distributed divide draw Engineering equal Example feet fire fire-proof flange floor forces formula girder give given greater increased iron joints joists lath least length less material means metal method mortar necessary obtained partition piles pine placed plaster plate pounds practice proportion protection purlins radius reinforcement resistance rivets rods roof rule safe load sand shape shear shown in Fig shows side space span square foot square inch steel stone strain strength stress surface taken tests thickness tile timbers tons truss usually vertical walls weight wire wood York
Σελίδα 342 - The variation in cross-section or weight of more than 2J per cent from that specified will be sufficient cause for rejection, except in the case of sheared plates, •which will be covered by the following permissible variations...
Σελίδα 1266 - All buildings shall be kept provided with proper metallic leaders for conducting water from the roofs in such manner as shall protect the walls and foundations of said buildings from injury. In no case shall the water from the...
Σελίδα 138 - Force is that which changes, or tends to change, the state of rest or motion of the body acted upon.
Σελίδα 32 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Σελίδα 857 - Inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept In moist air for a period of twenty-four hours.
Σελίδα 342 - Up to 75 inches wide, 2\ per cent above or 2\ per cent below the theoretical weight. 75 inches wide up to 100 inches wide, 5 per cent above or 3 per cent below the theoretical weight. When 100 inches wide and over, 10 per cent above or 3 per cent below the theoretical weight.
Σελίδα 1339 - ... or short circuit occur, and so that all leakage from conductor to conductor or between conductor and ground may be reduced to the minimum. "In all wiring special attention must be paid to the mechanical execution of the work. Careful and neat running, connecting, soldering, taping of conductors, and securing and attaching of fittings, are specially conducive to security and efficiency, and will be strongly insisted on.
Σελίδα 341 - Bending test, 180 degrees flat on itself, without fracture on outside of bent portion. 72. Soft steel shall have: Ultimate strength, 52,000 to 62,000 pounds per square inch. Elastic limit, not less than one-half the ultimate strength. Elongation, 25 per cent.