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 xi
... tion to keeping the moisture content more uniform , shoulder construction gives lateral sup- port to the sides of pavement thus reducing the known tendency to break down along the edges . With wider concrete roads this type of shoulder ...
... tion to keeping the moisture content more uniform , shoulder construction gives lateral sup- port to the sides of pavement thus reducing the known tendency to break down along the edges . With wider concrete roads this type of shoulder ...
Halaman xii
... tion it is interesting to note that the State of New Jersey prohibits the use of a bond of a life over 20 years for the construction of any type of road . In that State the limit for sand and gravel road bonds is 5 years ; for macadam ...
... tion it is interesting to note that the State of New Jersey prohibits the use of a bond of a life over 20 years for the construction of any type of road . In that State the limit for sand and gravel road bonds is 5 years ; for macadam ...
Halaman 10
... tion is unaltered . We find ourselves , at the end of four short years , with but 50 % of our State roads , especially in Southern California , pronounced good , the remainder classified as fair and poor . And it must be taken into ...
... tion is unaltered . We find ourselves , at the end of four short years , with but 50 % of our State roads , especially in Southern California , pronounced good , the remainder classified as fair and poor . And it must be taken into ...
Halaman 26
... tion of a quarter of an inch in five feet . New Jersey allows a quarter of an inch in ten feet , as does Pennsylvania . A smooth surface avoids road shock and thus extends the life of the pavement . The most exacting results should be ...
... tion of a quarter of an inch in five feet . New Jersey allows a quarter of an inch in ten feet , as does Pennsylvania . A smooth surface avoids road shock and thus extends the life of the pavement . The most exacting results should be ...
Halaman 32
... tion Inches to Ft . Kept Cls'd to Canvas Wet Cover Earth Pond- Traffic Covered Min . ing 100 Sq . Ft . ified Min . Days Days Alabama . 1920 1-2-3 1 66 Arizona . 1920 1-2-32 1 1/4 Yes 20-14 30 Arkansas . 1919 1-2-3 66 1 1919 1-2-4 1 Yes ...
... tion Inches to Ft . Kept Cls'd to Canvas Wet Cover Earth Pond- Traffic Covered Min . ing 100 Sq . Ft . ified Min . Days Days Alabama . 1920 1-2-3 1 66 Arizona . 1920 1-2-32 1 1/4 Yes 20-14 30 Arkansas . 1919 1-2-3 66 1 1919 1-2-4 1 Yes ...
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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
adobe soil Angeles County asphaltic concrete Automobile Club average bars bituminous bond issue built California Highway Commission cement cent clay Club of Southern committee concrete base concrete pavement concrete road concrete slab CONCRETE-SLAB TESTS condition construction cost curves deflection Derleth drainage edge expansion joints failure feet wide fund grade gravel gross weight heavy traffic highway system Imperial County inch width inches thick laid longitudinal cracks Los Angeles County macadam roads maintenance material mesh mileage miles Motor Vehicle oil macadam Orange County overload paved percentage practice reinforced Ridge Route road slab Route San Bernardino San Diego San Diego County San Luis Obispo sand Santa Barbara County sections shoulders shows shrinkage sieve solid tire Southern California specimens steel sub-base subgrade subsoil Table tion transverse cracks trucks Tulare Tulare County type of pavement uniform upkeep Ventura County volume wheel width of tire Wiskocil