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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Halaman vii
... traffic . The two associations realize the difficulties under which the State Highway Commis- sion was compelled to pursue its earlier work . The construction programs of 1913 , 1914 , and 1915 are highly commendable . The mileage of ...
... traffic . The two associations realize the difficulties under which the State Highway Commis- sion was compelled to pursue its earlier work . The construction programs of 1913 , 1914 , and 1915 are highly commendable . The mileage of ...
Halaman viii
... traffic - traffic laws and their violation . IX . Comparison of California Highways with those of other states . X. Research and experimental investigation . XI . Public opinion . XII . Conclusion . II . Promises Made by the Highway ...
... traffic - traffic laws and their violation . IX . Comparison of California Highways with those of other states . X. Research and experimental investigation . XI . Public opinion . XII . Conclusion . II . Promises Made by the Highway ...
Halaman ix
... traffic , subsoil and drainage . Such a policy is economically and structurally unsound and open to grave criticism . Even the last pronouncements of October , 1920 , propose a specific require- ment of steel bar reinforcement for all ...
... traffic , subsoil and drainage . Such a policy is economically and structurally unsound and open to grave criticism . Even the last pronouncements of October , 1920 , propose a specific require- ment of steel bar reinforcement for all ...
Halaman x
... traffic requirements . We cannot endorse a policy that contemplates the use of expensive steel reinforcement irrespective of conditions of sub - soil , traffic and drainage . The amount of steel reinforce- ment that is practical and ...
... traffic requirements . We cannot endorse a policy that contemplates the use of expensive steel reinforcement irrespective of conditions of sub - soil , traffic and drainage . The amount of steel reinforce- ment that is practical and ...
Halaman xi
... traffic . Wheel loads and speeds will increase unless legislation and larger license fees prevent . Congested truck traffic already requires an 8 - inch minimum concrete thickness with substantial reinforcement wherever the subgrade ...
... traffic . Wheel loads and speeds will increase unless legislation and larger license fees prevent . Congested truck traffic already requires an 8 - inch minimum concrete thickness with substantial reinforcement wherever the subgrade ...
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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.