The Design of Highway Bridges of Steel, Timber and ConcreteMcGraw-Hill Book Company, 1920 - 548 páginas |
Otras ediciones - Ver todas
The Design of Highway Bridges of Steel, Timber and Concrete (Classic Reprint) Milo Smith Ketchum Sin vista previa disponible - 2017 |
The Design of Highway Bridges of Steel, Timber and Concrete Milo Smith Ketchum Sin vista previa disponible - 2022 |
Términos y frases comunes
abutment algebraic resolution AMERICAN BRIDGE COMPANY angles axle bars beam beam bridges bending bending moment bolts bracing chord stresses coefficients compression concentrated load concrete floor culverts dead load stresses depth designed diameter end-post feet field rivets flange floorbeams foot per truss force polygon given in Fig graphic resolution gusset plate horizontal I-beams inches influence diagram Iowa Highway Commission joists lineal foot linseed oil live load stresses load chord lower chord maximum and minimum maximum shear moment of inertia pile plank plate girder plate girder bridge portal posts Pratt truss Problem.-Given R₁ Rail reinforced concrete roadway roller Scale of truss shown in Fig spaced span specifications spiking strips splice Steel Highway Bridges stringers tension thickness timber tons top chord truss bridges TRUSS BY GRAPHIC truss highway bridges unit stress vertical wall Warren truss wearing surface weight wheel width wind load
Pasajes populares
Página 425 - ... instrument; that he knows the seal of said corporation; that the seal affixed to said instrument is such corporate seal ; that it was so affixed by order of the board of directors of said corporation, and that he signed his name thereto by like order.
Página 470 - Recupping and calking will not be allowed. Loose, burned, or otherwise defective rivets shall be cut out and replaced. In cutting out rivets, great care shall be taken nut to injure the adjacent metal.
Página 425 - On the day of in the year , before me personally came to me known, who, being by me duly sworn, did depose and say that he resided in...
Página 480 - The materials should be mixed wet enough to produce a concrete of such a consistency as will flow into the forms and about the metal reinforcement, and which, at the same time, can be conveyed from the mixer to the forms without separation of the coarse aggregate from the mortar.
Página 163 - If splice plates are not in direct contact with the parts which they connect, rivets shall be used on each side of the joint in excess of the number required in the case of direct contact to the extent of two extra lines for each intervening plate.
Página 466 - Plate girders shall be proportioned either by the moment of inertia of their net section; or by assuming that the flanges are concentrated at their centers of gravity; in which case one-eighth of the gross section of the web, if properly spliced, may be used as flange section.
Página 262 - Pitch Pockets. — Pitch pockets are openings between the grain of the wood, containing more or less pitch or bark. These shall be classified as small, standard and large pitch pockets.
Página 230 - I = the length of the member in inches, r = the least radius of gyration of the member in inches. Tension in extreme fibers of rolled shapes, built sections and girders, net section 16,000 Tension in extreme fibers of pins 24,000...
Página 471 - The purchaser shall be furnished complete shop plans, and must be notified well in advance of the start of the work in the shop, in order that he may have an inspector on hand to inspect material and workmanship. Complete copies of shipping invoices shall be furnished to the purchaser with each shipment.
Página 287 - Isolated beams in which the T-form is used only for the purpose of providing additional compression area, shall have a flange thickness not less than one-half the width of the web and a total flange width not more than four times the web thickness.