Graphics and Structural DesignJohn Wiley & sons, Incorporated, 1915 - 436 من الصفحات |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
allowable apex assumed base beam bending moment bolts bracing calculated carry cement cent center of gravity center to center channels chimney column concrete crane curve dead load deflection depth designed determined diagonal diameter distance elasticity equal equilibrium polygon exceed feet fiber stress flange angles flange force flange plates floor force polygon forces acting formula foundation girder given inertia influence diagram length live load material maximum bending maximum shear modulus modulus of elasticity moment of inertia Muntins neutral axis P₁ panel parallel placed pounds per square purlins R₁ radius of gyration reinforced-concrete reinforcement resist resultant rivet spacing roof shearing stress shown in Fig side slab span square foot square inch stiffeners strength stress diagram supports surface tensile tension thickness triangle truss uniform load unit stress vertical shear wall weight wind load wind pressure ΙΟ
مقاطع مشهورة
الصفحة 355 - STEEL CASTINGS: The number of tests will depend on the character and importance of the castings. Specimens shall be cut cold from coupons molded and cast on some portion of one or more castings from each melt or from the sink heads, if the heads are of sufficient size. The coupon or sink head, so used, shall be annealed with the casting before it is cut off.
الصفحة 356 - Material which, subsequent to the above tests at the mills, and its acceptance there, develops weak spots, brittleness, cracks, or other imperfections, or is found to have injurious defects, will be rejected at the shop and shall be replaced by the manufacturer at his own cost.
الصفحة 355 - Material which is to be used without annealing or further treatment is to be tested in the condition in which it comes from the rolls. When material is to be annealed or otherwise treated before use, the specimen representing such material is to be similarly treated before testing.
الصفحة 382 - Concrete for reinforced structures should not be mixed or deposited at a freezing temperature, unless special precautions are taken to avoid the use of materials containing frost or covered with ice crystals, and to provide means to prevent the concrete from freezing after being placed in position and until it has thoroughly hardened.
الصفحة 90 - The pitch of rivets at the ends of built compression members shall not exceed four diameters of the rivets for a length equal to 1^ times the maximum width of the member. (d) Two-Angle Members. In tension members composed of two angles, a pitch of 3'-6...
الصفحة 379 - Mortars composed of one part Portland cement and three parts fine aggregate by weight when made into briquettes shall show a tensile strength of at least 70 per cent of the strength of 1 :3 mortar of the same consistency made with the same cement and standard Ottawa sand.
الصفحة 359 - When it is necessary to take the members apart for shipping or handling, the respective pieces reamed together shall be so marked that they may be reassembled in the same position in the final setting up. No interchange of reamed parts will be permitted.
الصفحة 359 - Steel work, before leaving the shop, shall be thoroughly cleaned and given one good coating of pure linseed oil, or such paint as may be called for, well worked into all joints and open spaces.