Standard Specifications for Structural Steel, Timber, Concrete and Reinforced Concrete |
Other editions - View all
Common terms and phrases
25 per cent 28 days angles annealed Axial bracing center to center columns compression members concentrated load contractor cover plates dead load designed diam diameter distance edge ends Engineer erection Expansion Rollers eye-bars falsework Field rivets finished flange floor beams following values Grain gravel gross section guard rails Highway Bridges impact inspection joints joists lattice bars length less lin.ft live loads longitudinal main member masonry material maximum stresses member in inches metal minimum thickness mortar Pars pin hole placed plane plank plate girders Portland cement pressure proportioned purlins radius of gyration reamed reinforced concrete rivets and pins rivets connecting rods roof trusses sand shear slabs spaced spans Specific Gravity specified specimens spliced sq.ft sq.in square inch stiffeners stresses due stringers structural steel surface temperature tensile strength tension members tests tie-plates timber top chord track transverse Trestles trusses Turned bolts vertical waterproof weight width wind
Popular passages
Page 67 - All tests shall be made in accordance with the methods proposed by the Committee on Uniform Tests of Cement of the American Society of Civil Engineers, presented to the Society January 21, 1903, and amended January 20, 1904, and January 15, 1908, with all subsequent amendments thereto.
Page 68 - This term is applied to the finely pulverized product resulting from the calcination to incipient fusion of an intimate mixture of properly proportioned argillaceous and calcareous materials, and to which no addition greater than 3 per cent has been made subsequent to calcination.
Page 66 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment. 5. Every facility shall be provided by the contractor and a period of at least twelve days allowed for the inspection and necessary tests.
Page 48 - Chemical determinations of the percentages of carbon, phosphorus, sulphur, and manganese shall be made by the manufacturer from a test ingot taken at the time of the pouring of each melt of steel, and a correct copy of such analysis shall be furnished to the engineer or his inspector.
Page 66 - Failure to meet the requirements at this time should be considered sufficient cause for rejection, although in the present state of our knowledge it cannot be said that such failure necessarily indicates...
Page 46 - 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.
Page 68 - Pats of neat cement about three 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.
Page 66 - The tests for constancy of volume are divided into two classes, the first normal, the second accelerated. The latter should be regarded as a precautionary test only, and not infallible. So many conditions enter into the making and interpreting of it that it should be used with extreme care.
Page 67 - The minimum requirements for tensile strength for briquettes one inch square in section, shall be within the following limits, and shall show no retrogression in strength within the periods specified: NEAT CEMENT Age Strength 24 hours in moist air 150-200 Ibs.
Page 68 - FINENESS. It shall leave by weight a residue of not more than 8 per cent on the No. 100, and not more than 25 per cent on the No. 200 sieve.