Organization, Equipment and Operation of the Structural-materials Testing Laboratories at St. Louis, Mo, 329-330. sayılarU.S. Government Printing Office, 1908 - 84 sayfa |
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42 sonuçtan 1-5 arası sonuçlar
Sayfa v
... determining percentage of voids ; B , Apparatus and connections for making void test on " one - size " material VI . A , Apparatus and connections for determining specific gravity of sand and screenings ; B , Apparatus for removing silt ...
... determining percentage of voids ; B , Apparatus and connections for making void test on " one - size " material VI . A , Apparatus and connections for determining specific gravity of sand and screenings ; B , Apparatus for removing silt ...
Sayfa ix
... determine their different properties and their suitability for different classes of building and construction work . Perhaps the controlling reasons for asking that the Federal Gov- ernment provide for these general investigations are ...
... determine their different properties and their suitability for different classes of building and construction work . Perhaps the controlling reasons for asking that the Federal Gov- ernment provide for these general investigations are ...
Sayfa x
... determine the varied conditions in their makeup and the effects of age and seasoning . Another of the numerous series of investigations , still under way , for the Supervising Architect's Office , is that in relation to the fire ...
... determine the varied conditions in their makeup and the effects of age and seasoning . Another of the numerous series of investigations , still under way , for the Supervising Architect's Office , is that in relation to the fire ...
Sayfa xi
... determining the exact methods which are to be employed , and bring- ing the establishment to a high degree of efficiency . This having been accomplished at the structural - materials laboratories , the work should hereafter go forward ...
... determining the exact methods which are to be employed , and bring- ing the establishment to a high degree of efficiency . This having been accomplished at the structural - materials laboratories , the work should hereafter go forward ...
Sayfa 7
... testing of these samples to determine their relative value for mortar and concrete . In view of the similarity of the investigations outlined by INTRODUCTION . 7 Cooperation between national advisory board and joint committee.
... testing of these samples to determine their relative value for mortar and concrete . In view of the similarity of the investigations outlined by INTRODUCTION . 7 Cooperation between national advisory board and joint committee.
Sık kullanılan terimler ve kelime öbekleri
absorption aggregate beam section bond test cent chairman Chicago Company Compressive strength Computations concrete and reinforced constituent-materials cubes cubic foot cylinder deformations deformeters determined dry material elastic limit equipment flask Form gage length GEOLOGICAL SURVEY grams Gravel inches in diameter inches long investigations joint committee limestone load Louis Louisiana Purchase Exposition manufactured by Tinius Meramec River methods micrometer mixer mixing modulus of elasticity molds mortar Ohio Olsen & Co percentage of voids permeability Philadelphia pounds per square proportions Reclamation Service reinforced concrete Richard L rods sample sand screen shear Shearing strength shown in Pl sieve silt span specific gravity specimens spherical bearing square inch steel stone STORAGE structural materials STRUCTURAL-MATERIALS TESTING LABORATORIES surface tamped tensile test pieces testing machine Tinius Olsen tion Transverse strength transverse tests typical Portland cement UNITED STATES GEOLOGICAL volume waterproofing weight of water Weight per cubic
Popüler pasajlar
Sayfa 20 - All tests shall be made in accordance with the methods proposed by the Committee on Uniform Tests of Cement...
Sayfa 77 - Method. — As a method to be followed for the analysis of cement, that proposed by the committee on uniformity in the analysis of materials for the...
Sayfa 15 - SAND. 7 days (1 day in moist air, 6 days in water) 200 Ibs.
Sayfa 15 - F. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five hours. These...
Sayfa 15 - 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.
Sayfa 2 - ... the report of the joint committee on concrete and reinforced concrete of the American Society of Civil Engineers, American Society for Testing Materials, American...
Sayfa 3 - Concrete and Reinforced Concrete was formed by the union of Special Committees appointed in 1903 and 1904 by the American Society of Civil Engineers, the American Society for Testing Materials, the American Railway Engineering and Maintenance of Way Association (now the American Railway Engineering Association), and the Association of American Portland Cement Manufacturers (now the Portland Cement Association).
Sayfa 15 - Portland cement is to be prepared by thoroughly mixing a number of brands, each of which must meet the following requirements: Specific gravity, not less than 3.10. Fineness, residue not more than 8 per cent on No. 100 nor 25 per cent on No.
Sayfa 1 - The original advisory board consisted of the following representatives of the various national societies and Government bureaus. The American Institute of Mining Engineers: John Hays Hammond, past president, New York; Robert W. Hunt (Robert W . Hunt & Co., testing engineers, Chicago, Pittsburg, and New York), Chicago, 111.; BF Bush, manager and vice president. Western Coal and Mining Company, St. Louis, Mo. The American Institute of Electrical Engineers: Francis B. Crocker, professor of electrical...
Sayfa v - For the continuation of the analyzing and testing of the coals, lignites, and other mineral fuel substances belonging to the United States, in order to determine their fuel value and so forth, under the supervision of the Director of the United States Geological Survey...