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 48
Halaman xiv
... practice should be programmed . They would be expensive ; would take time and would require a specially trained staff of assistants , but the magnitude of the work justifies such expenditures and would teach the Commission and its ...
... practice should be programmed . They would be expensive ; would take time and would require a specially trained staff of assistants , but the magnitude of the work justifies such expenditures and would teach the Commission and its ...
Halaman 40
... capacities of these were estimated by the observers . Some practice was taken by them and very often their estimates were checked with the actual 394-148 18-1 18-1 Loaded trucks on Ridge Road , Los 40 Traffic Census of State Highways.
... capacities of these were estimated by the observers . Some practice was taken by them and very often their estimates were checked with the actual 394-148 18-1 18-1 Loaded trucks on Ridge Road , Los 40 Traffic Census of State Highways.
Halaman 50
... practice of overloading that was found to be the case with the trucks weighed in the City of Los Angeles on standard scales . The owners of the trucks seem to be perfectly willing to overload their vehicles when they have good pavements ...
... practice of overloading that was found to be the case with the trucks weighed in the City of Los Angeles on standard scales . The owners of the trucks seem to be perfectly willing to overload their vehicles when they have good pavements ...
Halaman 77
... practice in 1920. A conservative hard surfacing program covering main traffic routes and highways tributary to industrial centers is being developed without seek- ing extensive mileage and with liberality in type of construction ...
... practice in 1920. A conservative hard surfacing program covering main traffic routes and highways tributary to industrial centers is being developed without seek- ing extensive mileage and with liberality in type of construction ...
Halaman 80
... practiced where roads are built on sand and gravel soils , particularly under light traffic , that would be highly improper to practice where the pavement is laid on clay and adobe soils under heavy traffic . The report of the Committee ...
... practiced where roads are built on sand and gravel soils , particularly under light traffic , that would be highly improper to practice where the pavement is laid on clay and adobe soils under heavy traffic . The report of the Committee ...
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.