The State Highways of California: An Engineering Study Conducted Jointly by the California State Automobile Association and the Automobile Club of Southern California, July, 1920-January, 1921Times Mirror Printing & Binding House, 1921 - 388 halaman |
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... developing higher ulti- mate strength than has heretofore obtained . Ten States use the same mixture as California and thirty - seven use a richer mix . VI . Costs and Maintenance Independent of all other considerations XI.
... developing higher ulti- mate strength than has heretofore obtained . Ten States use the same mixture as California and thirty - seven use a richer mix . VI . Costs and Maintenance Independent of all other considerations XI.
Halaman 24
... inches with the exception of Georgia which has a five - inch thickness of reinforced slab similar to California . All of the rest build thicker pavements . Reinforcing 19 3-10 does not materially add to the strength of 24.
... inches with the exception of Georgia which has a five - inch thickness of reinforced slab similar to California . All of the rest build thicker pavements . Reinforcing 19 3-10 does not materially add to the strength of 24.
Halaman 25
... strength of the pavements. 3-9 Longitudinal crack near San Onofre , San Diego County . Pavements in this condition are classed " poor " and require reconstruction . Longitudinal crack near San Onofre , San Diego County . 18-5 Broken down ...
... strength of the pavements. 3-9 Longitudinal crack near San Onofre , San Diego County . Pavements in this condition are classed " poor " and require reconstruction . Longitudinal crack near San Onofre , San Diego County . 18-5 Broken down ...
Halaman 26
... strength of the pavements . It does , however , hold together the fragments when it is broken . The mixture now used in California is one of cement , two of sand and four of stone . One ( Mississippi ) of the thirty - five States uses a ...
... strength of the pavements . It does , however , hold together the fragments when it is broken . The mixture now used in California is one of cement , two of sand and four of stone . One ( Mississippi ) of the thirty - five States uses a ...
Halaman 121
... strength . The same thickness should not be used under all conditions . The frequent examples of the breaking up of our concrete pavements , and the distortion of our asphaltic base types , where laid upon heavy clays , shows the ...
... strength . The same thickness should not be used under all conditions . The frequent examples of the breaking up of our concrete pavements , and the distortion of our asphaltic base types , where laid upon heavy clays , shows the ...
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Istilah dan frasa umum
adobe soil air-dry Angeles County approximately asphaltic concrete Automobile Association Automobile Club average bars bond issue built Butte County California Highway Commission cement clay Club of Southern committee concrete base concrete pavement concrete slab condition construction contract cost day labor deflection DEFLECTION-LOAD CURVES Derleth determine drainage expansion joints failure feet wide grade gravel heavy traffic Highway Fund highway system Imperial County inches thick increase J. B. Lippincott laboratory laid longitudinal cracks Los Angeles County macadam roads maintenance material Mesh mileage miles mixture mold Motor Vehicle oil macadam Orange County overload paved percentage practice present proportional limit reconstruction reinforced Route San Bernardino San Diego San Luis Obispo sand Santa Barbara County sections shoulders shrinkage sieve Southern California specimens steel strength sub-base subgrade subsoil Table tion Total trucks Tulare Tulare County uniform upkeep Ventura County volume wheel width of tire Wiskocil
Bagian yang populer
Halaman 161 - Any person driving a vehicle on a highway shall drive the same at a careful and prudent speed not greater than is reasonable and proper, having due regard to the traffic, surface and width of the highway and of any other conditions then existing, and no person shall drive any vehicle upon a highway at such a speed as to endanger the life, limb or property of any person.
Halaman 11 - Engineering and said route shall be so selected and said highways so laid out and constructed or acquired as to constitute a continuous and connected State highway system running north and south through the State traversing the Sacramento and San Joaquín valleys and along the Pacific Coast by the most direct and practicable routes, connecting the county seats of the several counties through which it passes and joining the centers of population, together with such branch roads as may be necessary...
Halaman 154 - Fill a 12-oz. graduated prescription bottle to the 4j-oz. mark with the sand to be tested. Add a 3 per cent solution of sodium hydroxide until the volume of the sand and solution, after shaking, amounts to 7 oz. Shake thoroughly and let stand over night. Observe the color of the clear supernatant liquid.
Halaman 154 - Shake thoroughly and let stand for 24 hours. Observe the color of the clear liquid above the sand. A good idea of the quality of the sand can be formed earlier than 24 hours, although this period is believed to give best results. If the solution resulting from this treatment is colorless, or has a light yellowish color * the sand may be considered satisfactory in so far as organic impurities are concerned. On the other hand, if a dark colored solution of a color deeper than that indicated by Fig.
Halaman 21 - That each supervisor shall perform such duties as may be imposed upon him by the Director of the Census in the enforcement of this Act, and the duties thus imposed shall be performed in any and all particulars in accordance with the orders and instructions of the Director of the Census; that each enumerator or other employee detailed to serve as enumerator shall be charged with...
Halaman 21 - Said California Highway Commission shall have the supervision and direction of all state roads and state highways now existing and the improvement, maintenance, repair and protection thereof, and have charge of and perform all other duties relating to state roads and state highways which may be imposed upon said commission by said advisory board.
Halaman 11 - Act of 1915, provided, however, "that expenses of the acquisition, construction and improvement of the extensions enumerated * * * shall be partly borne by the county or counties in which such extensions lie ; the extent and character of such division of expenses between the State and county shall rest for final determination with the State Department of Engineering...
Halaman i - Club, the Automobile Club of Southern California and the California State Automobile Association.
Halaman 21 - Investigate and determine upon the various methods of road construction adapted to different sections of the state, and as to the best methods of construction and maintenance of highways and bridges.
Halaman 16 - ... to constitute a continuous and connected state highway system running north and south through the state traversing the Sacramento and San Joaquin valleys and along the Pacific coast by the most direct and practicable routes, connecting the county seats of the several counties through which it passes and joining the centers of population, together with such branch roads as may be necessary to connect therewith the several county seats lying east and west of such state highway.