Bulletin of the United States Geological SurveyThe Survey., 1908 |
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18 sonuçtan 1-5 arası sonuçlar
Sayfa ix
... value to the States , municipali- ties , and the whole people of the country in connection with their own building and construction work ; provided that the results of the investigations are published in such a way as to become avail ...
... value to the States , municipali- ties , and the whole people of the country in connection with their own building and construction work ; provided that the results of the investigations are published in such a way as to become avail ...
Sayfa x
... value of the total new building con- struction . This is equivalent to an annual tax of over $ 6 per capita . By comparison , in six of the larger European countries the fire losses average only 33 cents per capita , and this in spite ...
... value of the total new building con- struction . This is equivalent to an annual tax of over $ 6 per capita . By comparison , in six of the larger European countries the fire losses average only 33 cents per capita , and this in spite ...
Sayfa 1
... methods for testing cement and to investigations of the com- parative value of a few sands , gravels , and broken stones used in 1 cement mortars and concretes in some of the principal cities Introduction Historical sketch.
... methods for testing cement and to investigations of the com- parative value of a few sands , gravels , and broken stones used in 1 cement mortars and concretes in some of the principal cities Introduction Historical sketch.
Sayfa 7
... and the 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.
... and the 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.
Sayfa 13
... value not only to the Government , but to the public at large , especially engineers , architects , contractors , manu- facturers , and all others who manufacture or use structural materials . The help which has been received up to the ...
... value not only to the Government , but to the public at large , especially engineers , architects , contractors , manu- facturers , and all others who manufacture or use structural materials . The help which has been received up to the ...
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Sık kullanılan terimler ve kelime öbekleri
absorption aggregate batch report beam section bending bending moment bond test pieces bottom cent Chicago cinders compressive strength Computations concrete beams consistency cubic foot deformations deformeters determined dry material elastic limit equipment feet flask Form gage length grams Gravel inches in diameter inches long Interior view investigations layer limestone Louis Louisiana Purchase Exposition machine ready manufactured by Tinius Meramec River methods micrometer mixer mixing modulus of elasticity moist room molds mortar mortars and concretes Olsen & Co percentage of voids permeability Philadelphia placed plain beams pounds per square proportions Reclamation Service reinforced concrete rods sample screen shear shown in Pl sieve silt span specific gravity spherical bearing square inch steel stirrups stone STORAGE STRUCTURAL-MATERIALS TESTING LABORATORIES surface tamped tensile test pieces testing machine Tinius Olsen tion Total Transverse strength transverse tests typical Portland cement UNITED STATES GEOLOGICAL Weight per cubic
Popüler pasajlar
Sayfa 24 - All tests shall be made in accordance with the methods proposed by the Committee on Uniform Tests of Cement...
Sayfa 17 - Sand. 7 days (1 day in moist air, 6 days in water) 200 Ibs.
Sayfa 79 - 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 17 - 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 17 - 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 4 - ... 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 5 - 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 17 - 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 17 - These pats, to satisfactorily pass the requirements, shall remain firm and hard and show no signs of distortion, checking, cracking, or disintegrating.
Sayfa 3 - 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...