Annual Report, Band 2The Association, 1911 |
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28 days 350 degrees Fahr 77 degrees Fahr adopted appointed asphaltic cement asphaltic concrete binder bituminous cement bituminous concrete bituminous rock blocks bonding companies brick Bureau of Highways CAPTAIN HARDEE carbon cent Chairman Chicago Chief Engineer City Engineer City Officials coal tar coarse aggregate Commissioner concrete pavement contract contractor Convention Creosoted curb DARNELL day in moist days 1 day days in water delegates duly seconded Engineer City Executive Committee filler gentlemen GEORGE W grade grout guarantee inch screen January 13 joints Kansas City laid less macadam maintenance bond maintenance period material meeting Member Board mittee mixed moist air mortar motion was duly Municipal Officials for Standardizing Organization of City pavement penetration Portland cement PRESIDENT FOWLER PRESIDENT TILLSON repairs requirements sand SECRETARY HITTELL South Omaha specific gravity Standardizing Paving Specifications stone street surety bonding Surety Company temperature thickness tion TRAVILLA vote W. J. HARDEE Warren Brothers wearing surface York
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Seite 19 - Nelson P. Lewis, Chief Engineer of the Board of Estimate and Apportionment of New York City.
Seite 34 - The cement shall meet the requirements of the Standard Specifications for Portland Cement of the American Society for Testing Materials and adopted by this Association.
Seite 82 - ... further, that all of the small spheres shall not be rejected and replaced by new ones at any one time, and that so far as possible the small spheres shall compose a graduated series in various stages of wear. At any time that any sphere is found to be broken or defective it shall at once be replaced.
Seite 82 - For each new batch of spheres used the chemical analysis must be furnished by the maker, or be obtained by the user, before introduction into the charge ; and unless the analysis meets the above specifications, the batch of spheres shall be rejected. THE TEST.
Seite 36 - The ingredients of the concrete shall be thoroughly mixed, sufficient water being added to obtain the desired consistency, and the mixing continued until the materials are uniformly distributed, and each particle of the fine aggregate is thoroughly coated with cement, and each particle of the coarse aggregate is thoroughly coated with mortar.
Seite 118 - In applying the gravel and filler, care shall be taken that the pavers are closely followed by the filler gang, and in no case shall the paving be left over night (or when work is stopped) without the filler being completed.
Seite 85 - Before and after this transverse rolling has taken place, all broken or injured brick must be taken up and replaced with perfect ones. The substitute brick must be brought to the true surface by tamping. After final rolling the pavement shall be tested with a ten (10) foot straight edge, laid parallel with the curb, and any depression exceeding one-quarter (%) of an inch must be taken out.
Seite 55 - ... (2) per cent of foreign matter, such as sawdust and dirt. Due allowance shall be made for such accumulation of foreign matter by injecting an additional quantity of oil into the blocks.
Seite 105 - Laying—The binder mixture prepared in the manner above described shall be brought to the work in wagons covered with canvas or other suitable material and upon reaching the street shall have a temperature between 200 degrees F.
Seite 95 - ... per cent by weight of the bitumen present nor shall the original penetration be reduced thereby over one-half. (3) The bitumen of the asphaltic cement shall...