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 53
Halaman 21
... pounds per inch width of tire . Where unsuitable material was encountered in the subgrade it was to be removed . This method of preparing subgrade is the one used today . Drainage Drain tile has been used in some sections particularly ...
... pounds per inch width of tire . Where unsuitable material was encountered in the subgrade it was to be removed . This method of preparing subgrade is the one used today . Drainage Drain tile has been used in some sections particularly ...
Halaman 40
... pounds , was taken as the dividing line between the two classes . The heavy class includes auto busses . It was estimated that the light class of automobiles carried an average of three passengers and baggage equivalent to one more ...
... pounds , was taken as the dividing line between the two classes . The heavy class includes auto busses . It was estimated that the light class of automobiles carried an average of three passengers and baggage equivalent to one more ...
Halaman 53
... pounds gross ( 9.7 tons ) , which was 6.28 tons or 2.79 times the load it was designed to carry . The above table also shows the maximum and average load concentration of one rear wheel on approximately 500 trucks . This diagram should ...
... pounds gross ( 9.7 tons ) , which was 6.28 tons or 2.79 times the load it was designed to carry . The above table also shows the maximum and average load concentration of one rear wheel on approximately 500 trucks . This diagram should ...
Halaman 55
... pounds . 6420 4 . Maximum pounds . 11400 5 . ( Total pounds 332185 6 . Empty Weight Number trucks weighed . 7 . Average pounds . 112 2965 8 . Total pounds . 388520 563815 61 9243 13750 269925 58 4654 264975 1178485 1752581 439018 93 128 ...
... pounds . 6420 4 . Maximum pounds . 11400 5 . ( Total pounds 332185 6 . Empty Weight Number trucks weighed . 7 . Average pounds . 112 2965 8 . Total pounds . 388520 563815 61 9243 13750 269925 58 4654 264975 1178485 1752581 439018 93 128 ...
Halaman 59
... pounds , 80 % of which was on the rear wheels or a weight per real wheel of 17,916 pounds . 10,000 lbs . maximum load on any wheel was used by the Committee on Slab Design in computing stresses in slab as shown by their accompanying ...
... pounds , 80 % of which was on the rear wheels or a weight per real wheel of 17,916 pounds . 10,000 lbs . maximum load on any wheel was used by the Committee on Slab Design in computing stresses in slab as shown by their accompanying ...
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
actual additional adobe soil amount Angeles apparent approximately asphaltic Automobile average bars base bond building built California California Highway carried cause cent charge City clay committee completed concrete pavement concrete road concrete slab condition construction contract cost County cracks curves deflection determine Engineer expansion experience failure feet Figure four Fund grade gravel Group heavy Highway Commission inches inches thick increase interest issue joints laid less limit load longitudinal macadam maintenance material maximum Mesh method miles moisture Motor Vehicle natural obtained original passing paved pavement percentage period placed plain portion possible pounds practice present reinforced Route sand Santa shoulders shown side Southern California specimens square steel strength subgrade surface Table taken tests thickness tire traffic trucks uniform various volume weight wheel wide width
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.