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 |
Dari dalam buku
Hasil 1-5 dari 85
Halaman vii
... built in the periods enumerated , in the face of an unsaleable 4 % State bond , is a most creditable achievement . Cleanness of admin- istration and absence of scandal have been noticeable . Wilful waste and extravagance can- not be ...
... built in the periods enumerated , in the face of an unsaleable 4 % State bond , is a most creditable achievement . Cleanness of admin- istration and absence of scandal have been noticeable . Wilful waste and extravagance can- not be ...
Halaman ix
... built as the balance of funds would permit . The Automobile Associations , having always been very active in the promotion of good roads , finding that the two original bond issues ( the first for $ 18,000,000.00 and the second for ...
... built as the balance of funds would permit . The Automobile Associations , having always been very active in the promotion of good roads , finding that the two original bond issues ( the first for $ 18,000,000.00 and the second for ...
Halaman x
... built in California are as good as the day they were laid . " In Southern California , field inspections indicate that as high as 30.5 % of the concrete pavements are in poor condition , requiring reconstruction either now or at an ...
... built in California are as good as the day they were laid . " In Southern California , field inspections indicate that as high as 30.5 % of the concrete pavements are in poor condition , requiring reconstruction either now or at an ...
Halaman xi
... built for the purpose of widening a concrete road , it is our belief that such type of shoulder should be provided on all adobe and heavy clay sub - soil sections irre- spective of width of pavement , primarily for the purpose of ...
... built for the purpose of widening a concrete road , it is our belief that such type of shoulder should be provided on all adobe and heavy clay sub - soil sections irre- spective of width of pavement , primarily for the purpose of ...
Halaman xii
... built . Some of our 4 - inch pavements have broker down in 44 years ; practically before the retirement of any of the bonds had begun . It is estimated that all of our roads will need replacement at the end of their economical life ...
... built . Some of our 4 - inch pavements have broker down in 44 years ; practically before the retirement of any of the bonds had begun . It is estimated that all of our roads will need replacement at the end of their economical life ...
Edisi yang lain - Lihat semua
The State Highways of California: An Engineering Study Conducted Jointly by ... California State Automobile Association Pratinjau tidak tersedia - 2017 |
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.