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 38
Halaman xiii
... apparent that if truck operators are permitted to use the highways without police supervision a few unreasonable truck drivers or operators will wreck any road system that may be built . Thinking people recognize that such a policy is ...
... apparent that if truck operators are permitted to use the highways without police supervision a few unreasonable truck drivers or operators will wreck any road system that may be built . Thinking people recognize that such a policy is ...
Halaman 40
... apparent on the thinner sections than on those that are thicker . It follows that a much greater differ- ence in cost per cubic yard will occur when the comparisons are made between pavements 4 inches thick and 6 or 8 inches thick ...
... apparent on the thinner sections than on those that are thicker . It follows that a much greater differ- ence in cost per cubic yard will occur when the comparisons are made between pavements 4 inches thick and 6 or 8 inches thick ...
Halaman 80
... apparent that the expense has been much greater where the pavement is built on the soils of a clay type . Of a total of 96.75 miles of oil macadam pavement built by Los Angeles County , the aver- age annual upkeep charge , including ...
... apparent that the expense has been much greater where the pavement is built on the soils of a clay type . Of a total of 96.75 miles of oil macadam pavement built by Los Angeles County , the aver- age annual upkeep charge , including ...
Halaman 122
... apparent . The material has elasticity , and follows the subgrade without cracking . Deformation occurs , however , and it is only a short time until it becomes so great that this type also fails . The San Diego County Highway ...
... apparent . The material has elasticity , and follows the subgrade without cracking . Deformation occurs , however , and it is only a short time until it becomes so great that this type also fails . The San Diego County Highway ...
Halaman 143
... apparent in the horizontal . This will allow small fragments of the slab to be broken down under traffic adjacent to the crack under cantelever action , and is another fruitful source of raveling . The committee does not recommend that ...
... apparent in the horizontal . This will allow small fragments of the slab to be broken down under traffic adjacent to the crack under cantelever action , and is another fruitful source of raveling . The committee does not recommend that ...
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 bituminous bond issue built California Highway Commission cement cent charge clay Club of Southern Committee concrete base concrete pavement concrete road concrete slab CONCRETE-SLAB TESTS condition construction cost deflection drainage expansion joints failure feet wide fund grade gravel highway system Imperial County inches thick increase inspection J. B. Lippincott laid longitudinal cracks Los Angeles County macadam roads maintenance material Mesh mileage miles mold Motor Vehicle oil macadam Orange County overload paved percentage portion practice present reconstruction reinforced road slab Route San Bernardino San Diego San Diego County San Luis Obispo sand Santa Barbara County sections shoulders shows shrinkage sieve Southern California specimens steel strength sub-base subgrade subsoil Table tion tons trucks Tulare Tulare County upkeep Ventura County volume weight 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.