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Books Bücher 1 - 10 von 17 in ... feet. Toughness, as understood by road builders, is the adhesion between the...
" ... feet. Toughness, as understood by road builders, is the adhesion between the crystal and fine particles of a rock, which gives it power to resist fracture when subjected to the blows of traffic. This important property, while distinct from hardness,... "
Bulletin - Seite 263
von North Carolina. Division of Mineral Resources - 1906
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A Treatise on Roads and Pavements

Ira Osborn Baker - 1913 - 655 Seiten
...rubbing or the abrasive action of wheels and horses' feet; while toughness is the adhesion between particles of a rock which gives it power to resist fracture when subjected to the blows of traffic. A stone may be hard and brittle, and be quickly pounded to pieces in the road, as...
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The Future of Road-making in America: A Symposium

Archer Butler Hulbert, Martin Dodge, Maurice Owen Eldridge, Logan Waller Page - 1905 - 211 Seiten
...but only three need be mentioned here. They are hardness, toughness, and cementing or binding power. By hardness is meant the power possessed by a rock...wheels and horses' feet. Toughness, as understood by road-builders, is the adhesion between the crystal and fine particles of a rock, which gives it power...
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Report, Band 30

Indiana. Dept. of Geology and Natural Resources - 1905 - 8 Seiten
...toughness and cementing or binding power. Others, less important, are power of absorption and density. By hardness is meant the power possessed by a rock...caused by the abrasion of wheels and horses' feet. A rock for a road of light or medium traffic should not be too hard, else the amount of fine dust worn...
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The Future of Road-making in America: A Symposium

Archer Butler Hulbert, Martin Dodge, Maurice Owen Eldridge, Logan Waller Page - 1905 - 211 Seiten
...but only three need be mentioned here. They are hardness, toughness, and cementing or binding power. By hardness is meant the power possessed by a rock...wearing action caused by .the abrasion of wheels and t horses' feet. Toughness, as understood k by road-builders, is the adhesion between the crystal and...
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Report

New Jersey Geological Survey - 1907
...Director of the Office of Public Roads i1 1 Yearbook of the US Department of Agriculture for 1900, p. 351. "By hardness is meant the power possessed by a rock...understood by road builders, is the adhesion between the crystals and fine particles of a rock, which gives it power to resist fracture when subjected to the...
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Annual Report of the State Geologist for ...

New Jersey Geological Survey, 1863-1915 - 1907
...of the Office of Public Roads : J 1 Yearbook of the US Department of Agriculture for 1900, p. 351. "By hardness is meant the power possessed by a rock...understood by road builders, is the adhesion between the crystals and fine particles of a rock, which gives it power to resist fracture when subjected to the...
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Highway engineering

Charles Edward Morrison - 1908 - 315 Seiten
...organic acids produced by the decomposition of excretal matters always present upon roadways in use. " By hardness is meant the power possessed by a rock...understood by road builders, is the adhesion between the crystals and fine particles of a rock, which gives it power to resist fracture when subjected to the...
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Highway Engineering

Charles Edward Morrison - 1908 - 315 Seiten
...wheels and horses' feet. Toughness, as understood by road builders, is the adhesion between the crystals and fine particles of a rock, which gives it power to resist fracture when subjected to the blows of traffic. This important property, while distinct from hardness, is yet intimately associated...
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A treatise on roads and pavements

Ira Osborn Baker - 1908 - 655 Seiten
...rubbing or the abrasive action of wheels and horses' feet; while toughness is the adhesion between particles of a rock which gives it power to resist fracture when subjected to the blows of traffic. A stone may be hard and brittle, and be quickly pounded to pieces in the road, as...
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Farm Development: An Introductory Book in Agriculture, Including a ...

Willet Martin Hays - 1910 - 391 Seiten
...but only three need be mentioned here. They are hardness, toughness, and cementing or binding power. By hardness is meant the power possessed by a rock...it power to resist fracture when subjected to the blows of traffic. This important property, while distinct from hardness, is yet intimately associated...
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