 ... weighing not less than ten tons. The amount of water necessary is to be determined by the Engineer. The rolling is to begin at the sides and to continue until the surface is hard and smooth and shows no perceptible tracks from vehicles passing over...  Report - Seite 211von Maryland Geological Survey - 1905Vollansicht - Über dieses Buch
 | United States. Bureau of Public Roads - 1901 - 880 Seiten
...stone appears at the surface, additional screenings shall Ix» used in such places. The rolling und watering shall continue until the water flushes to...whole width of the road, including the shoulders. UNEVENÍÍE8H AND DEPRESSIONS. If any unevenness or depressions appear In the road surface after rolling... | |
 | Maryland Geological Survey - 1905 - 752 Seiten
...by the Engineer. SPREADING. After the second course of No. 2 stone has been rolled and completed as above described, the screenings are to be spread,...unevenness or depressions appear in the road surface after rolling the screenings, No. 2 broken stone and screenings shall be used until they are removed and... | |
 | Maryland Geological Survey - 1905 - 756 Seiten
...by the Engineer. SPREADING. After the second course of No. 2 stone has been rolled and completed as above described, the screenings are to be spread,...the whole width of the road including the shoulders. TJNEVENNESS AND DEPRESSIONS. If any unevenness or depressions appear in the road surface after rolling'... | |
 | Maryland Geological Survey - 1905 - 754 Seiten
...to be spread, but in no case are screenings to be used until the second course has been thoroughiy rolled and compacted. The screenings are to be spread...watering shall continue until the water flushes to tho surface. The rolling is to extend over the whole width of the road including the shoulders. UNEVENNESS... | |
 | Harwood Frost - 1910 - 576 Seiten
...sprinkled with water from a properly constructed sprinkling cart, and then rolled with a steam roller weighing not less than ten tons. The amount of water...unevenness or depressions appear in the road surface after rolling the screenings, No. 2 broken stone and screenings shall be used until they are removed and... | |
 | Harwood Frost - 1910 - 576 Seiten
...sprinkled with water from a properly constructed sprinkling cart, and then rolled with a steam roller weighing not less than ten tons. The amount of water...whole width of the road, including the shoulders. UXEVENNESS AND DEPRESSIONS If any unevenness or depressions appear in the road surface after rolling... | |
 | Frederick Putnam Spalding - 1912 - 434 Seiten
...watering shall continue until the water flushes to the surface. " If after rolling the screenings, the stone appears at the surface, additional screenings shall be used in such places. The rolling is to extend over the whole width of the macadam." Gravel is frequently used for roads constructed... | |
 | Frederick Putnam Spalding - 1912 - 434 Seiten
...at the sides and to continue until the surface is hard and smooth and shows no perceptible tracks. The rolling and watering shall continue until the water flushes to the surface. " If after rolling the screenings, the stone appears at the surface, additional screenings shall be... | |
 | Arthur Horace Blanchard, Henry Bernardin Drowne - 1913 - 802 Seiten
...spread, they are to be sprinkled with water from a properly constructed sprinkling car and then rolled. The rolling and watering shall continue until the water flushes to the surface. If, after rolling the screenings, the stone appears at the surface, additional screenings shall be... | |
 | Arthur Horace Blanchard - 1919 - 1720 Seiten
...passing over it. If, after rolling the sand, the No. 2 gravel appears at the surface, additional sand shall be used in such places. The rolling and watering...width of the road including the shoulders. "Unevenness or Depressions. (Similar to requirements for unevenness or depressions under first course.)" Connecticut... | |
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