The Principles of Structural Design, الجزء 1W. & J. Mackay & Company [for] the Royal Engineers Institute, 1897 |
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عبارات ومصطلحات مألوفة
angle applied ascertain beam bear bending breadth brick brickwork bridge calculated cantilever cast iron cement Chapter column common rafters compression compression members consider cross section crushing curve deflection depth diameter direct stresses distance draw elasticity equal equation EXAMPLE factor of safety feet fibres fixed flange force formula girder gives graphic Hence horizontal inch-tons investigation joint length load masonry material maximum modulus of elasticity modulus of rupture Moment of Inertia mortar neutral axis number of rivets ordinary parabola parallel pipe plate practical principles purlins ratio reaction rectangle red fir REESE LIBRARY represent resistance safe scantling shearing stress shown in Fig side span square foot square inch steel stress diagram structure strut supported Table tensile strength tensile stress tension thickness tie beam timber tons per square triangle truss usually various vertical W₁ wall weight width wind pressure wrought iron
مقاطع مشهورة
الصفحة 229 - ... to cover and protect a building from the effects of the weather, and also to bind and give strength and firmness to the fabric. To effect these purposes it should neither be too heavy nor too light, but of a just proportion in all its parts to the magnitude of the building. Mr. Ware observes, that in practice roofs are generally made too heavy; and that he will do a most acceptable service to his profession, who shall show how to retrench and execute the same roof with the smallest quantity of...
الصفحة 17 - If any number of forces, acting on a particle, can be represented in magnitude and direction by the sides of a polygon taken in order, the forces will be in equilibrium.
الصفحة 56 - Fahrenheit, must stand bending in a press to a curve of which the inner radius is one and a half times the thickness of the plates tested.
الصفحة 56 - Strips cut lengthwise or crosswise of the plate to have an ultimate tensile strength of not less than 26 and not exceeding 30 tons per square inch of section, with an elongation of 20 per cent in a length of 8 inches.
الصفحة 344 - The intensity of illumination which is received obliquely is proportional to the cosine of the angle which the luminous rays make with the normal to the illuminated surface.
الصفحة 299 - It is well known that the strength of a chain is that of its weakest link...
الصفحة 189 - Each part of the joint should be proportioned to the stress it has to bear. 3. Abutting surfaces in compression should be placed as nearly as possible perpendicular to the stress.
الصفحة 108 - ... elementary areas into which the surface may be conceived to be divided, by the squares of their distances from the axis in qutstioii.
الصفحة 288 - Note.—Equal drainage and condition is especially necessary in the case of clays, as moisture may reduce them from their greatest to their least bearing capacity. When found equally and thoroughly mixed with sand and gravel their supporting power is usually increased. Sound yellow clay, containing only the normal quantity of water...
الصفحة 10 - Force is an action between two bodies, either causing or tending to cause change in their relative rest or motion.