Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 4-12
... dust deposit of the central United States . Deflation by the wind involves pickup from the prairie lands of fine particles , which are then windborne and depos- ited at considerable distances . Loess has accumulated to depths of 40 ft ...
... dust deposit of the central United States . Deflation by the wind involves pickup from the prairie lands of fine particles , which are then windborne and depos- ited at considerable distances . Loess has accumulated to depths of 40 ft ...
Halaman 15-10
... dust palliative . Although palliatives such as calcium chloride , oil emulsions , light oils , and light tars have been applied to surfaces , fresh water is the oldest and most common agent and its use Figure 15-4 All - wheel - drive ...
... dust palliative . Although palliatives such as calcium chloride , oil emulsions , light oils , and light tars have been applied to surfaces , fresh water is the oldest and most common agent and its use Figure 15-4 All - wheel - drive ...
Halaman 16-27
... dust and dirt of an excavation job . A lamp efficiency of 67 percent calls for a 50 percent higher lamp rating to give the same number of footcandles of illumination obtainable at 100 percent lamp efficiency , and results in a ...
... dust and dirt of an excavation job . A lamp efficiency of 67 percent calls for a 50 percent higher lamp rating to give the same number of footcandles of illumination obtainable at 100 percent lamp efficiency , and results in a ...
Isi
ROCK WEATHERING | 3-4 |
LANDFORMS AND GEOMORPHOLOGY | 4-4 |
OPENCUT EXCAVATIONS | 5-3 |
Hak Cipta | |
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Istilah dan frasa umum
alluvium average axles backhoe blasthole borrow pit brake horsepower bucket bucket loader bulldozer calculated California capacity clearing and grubbing cofferdam compaction compactor compressor conveyor cost of ownership crawler-tractor cubic yard cybm cybm/h cysm depth diameter diesel engine dipper Direct job unit dragline dredge dumping efficiency electric embankment equation estimated explosives factor fill freeway friction ft/min ft/s gal/min grade granite haul road haulage head loss heavyweight hoist hole horsepower hourly production igneous igneous rock illustrates job unit cost lb/in² length limestone loading machine machinery material maximum medium metamorphic rocks mi/h off-the-road open-pit mining ownership and operation percent pipe pump quarry r/min rock excavation rock formation rock haulers rock-earth rolling resistance scraper sedimentary rock shovel shown in Figure slope soft specifications Table tare weight tire tons tow-type tractor tractor-bulldozer tractor-rippers truck valve velocity water wagon weight wellpoint wheels-tires width Work-cost indicator yd³