Better Roads and Streets, Volumen8

Portada
1918

Dentro del libro

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Términos y frases comunes

Pasajes populares

Página 193 - Special Service Department This company has a corps of trained engineers and chemists who have given years of study to modern road problems. The advice of these men may be had for the asking by anyone interested...
Página 76 - THEREFORE BE IT RESOLVED that the American Association of State Highway Officials...
Página 268 - It shall be supplied with an accurate stationary thermometer in the tank containing the refined tar and with an accurate pressure gauge so located as to be easily observed by the Engineer while walking beside the distributor. It shall be so operated that, at the termination of each run, the refined tar will be at once shut off.
Página 268 - ... 27. Measurement and Payment. The quantity of bituminous material to be paid for under this item shall be the number of gallons placed on the highway in accordance with the specifications and requirements, or used as directed for other purposes.
Página 268 - When tested with a standard No. 2 needle under a load of 100 grams for 5 seconds at 25° C.
Página 269 - When tested by means of the Engler viscosimeter at 25° C. (77° F.) the specific viscosity of the first 50 cubic centimeters passing the orifice of the viscosimeter shall be not less than 25 nor more than 35.
Página 228 - All functions of Government agencies relating to streets and highways hereafter are to be co-ordinated in a body called the United States Highways Council, composed of one representative each from the War Department, the Department of Agriculture, the United States Railroad Administration, the War Industries Board, and the Fuel Administration.
Página 96 - ... inch in width at the top, and for one ( 1 ) inch downward therefrom, and not exceeding one ( 1 ) inch in width at any other part of the joint. The top surface of the block shall be so cut that there will be no depressions measuring more than three-eighths (^) of an inch from a straight edge laid in any direction on the top and parallel to the general surface thereof.
Página 196 - ... handed to him by the carelessness of loyal Americans. Do not discuss in public, or with strangers, any news of troop and transport movements, of bits of gossip as to our military preparations, which come into your possession. Do not permit your friends in service to tell you — or write you — "inside" facts about where they are, what they are doing and seeing. Do not become a tool of the Hun by passing on the malicious, disheartening rumors which he so eagerly sows. Remember he asks no better...
Página 183 - Macadam Pavement. — One having a wearing course of macadam with the interstices filled by a penetration method with a bituminous binder.

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