Cyclopedia of Civil Engineering: A General Reference Work on Surveying, Highway Construction, Railroad Engineering, Earthwork, Steel Construction, Specifications, Contracts, Bridge Engineering, Masonry and Reinforced Concrete, Municipal Engineering, Hydraulic Engineering, River and Harbor Improvement, Irrigation Engineering, Cost Analysis, Etc, 4. sējumsAmerican technical Society, 1920 |
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allowed angles asphaltic concrete beams bending bidder bolts bracing bridge building cent Chief Engineer chord Civil Engineers clauses column Company components compression compression members computed concrete connections construction contract Contractor cost crane creosote oil cubic foot cubic yard dead load determine diameter draw Engineer may direct equal estimate excavation F₁ Fink Truss flange floor force polygon furnished given grade horizontal I-beam labor laid length less line of action lineal foot masonry material Ontario Central Railroad parallel party pavement paving piles pipe pitch placed plate polygon for joint Portland cement pounds per square purlins R₁ radius of gyration rail railroad resultant roof trusses runway girder sand shown in Fig side snow load span specifications square foot square inch steel stone stress diagram Stress Record structural steel structure surface thickness Tile arch timber tion track vertical weight width wind pressure
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286. lappuse - Material which is to be used without annealing or further treatment shall be tested in the condition in which it comes from the rolls.
96. lappuse - Arm of a couple is the perpendicular distance between the lines of action of the two forces...
238. lappuse - ... commission or officer acting therefor, for the doing of public work shall, directly or indirectly, require, as a condition of employment therein, that the employee shall lodge, board or trade at a particular place or with a particular person.
383. lappuse - An officer of a corporation will not be accepted as a surety or guarantor for such corporation. A married woman or an infant will not be accepted as a surety or guarantor under any circumstances. (20) No bid will be accepted or contract entered into until approved by the Lighthouse Board and the Secretary of Commerce and Labor. (21) Transfers of contracts, or of interests in contracts, are prohibited by law. (See USRS, sec.
336. lappuse - Fahr. and be thoroughly agitated when hot by air, steam or mechanical appliances, until the resulting cement has become thoroughly mixed into a homogeneous mass. The agitation must be continued during the entire period of preparing the mixtures. Cement shall always be of uniform consistency, and if any portion should settle in the kettle between intervals of using the same, it must be thoroughly agitated before being drawn for use. (a) The asphaltic cements shall...
58. lappuse - The foregoing equations show that the rectangular component of a force along any line equals the product of the force and the cosine of the angle between, the force and the line. They show also that the rectangular component of a force along its own line of action equals the force, and its rectangular component at right angles to the line of action equals zero. Examples. 1. A force of 120 pounds makes an angle of 22 degrees with the horizontal. What...
334. lappuse - ... natural, solid asphalt shall be construed to mean any natural mineral bitumen, either pure or mixed with foreign matter, from which, through natural causes in the process of time, the light oils have been driven off until it has a consistency harder than 100 penetration at 77° F.
336. lappuse - ASPHALTIC CEMENT. The asphaltic cement prepared from materials above designated shall be made up from the refined asphalt or asphalts, and the flux where flux must be used, in such proportions as to produce an asphaltic cement of a suitable degree of penetration. The proportion of the refined asphalts comprising the cement shall in no case be less than 40 per cent, by weight.
284. lappuse - ... be allowed. Loose, burned or otherwise defective rivets shall be cut out and replaced. In cutting out rivets great care shall be taken not to injure the adjacent metal. If necessary they shall be drilled out.
307. lappuse - ... and on curves, the proper elevation must be given to the outer rail and carried uniformly around the curve. This elevation should be commenced from...