Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 8-35
... hour . Examples are the 30 - min , 40 - min , 50 - min , and 60 - min hours , equivalent respectively to 50 , 67 , 83 , and 100 percent efficiency . As most machines with intermittent productions operate on a cycle , this kind of ...
... hour . Examples are the 30 - min , 40 - min , 50 - min , and 60 - min hours , equivalent respectively to 50 , 67 , 83 , and 100 percent efficiency . As most machines with intermittent productions operate on a cycle , this kind of ...
Halaman 18-12
... hour , requiring 45 working hours for completion . The machinery and quantity of water for the work will be the same as those for item 3 , except that a total of nine scrapers will be used because of the longer haul . The summary of ...
... hour , requiring 45 working hours for completion . The machinery and quantity of water for the work will be the same as those for item 3 , except that a total of nine scrapers will be used because of the longer haul . The summary of ...
Halaman 28
... hour horsepower horsepower hour hertz ( cycles per second ) indicated horsepower inch square inch cubic inch inch - pound or pound - inch in3 in lb kc kilocycle kg kg'm kilogram kilogram - meter kg / m3 kilograms per cubic meter kL ...
... hour horsepower horsepower hour hertz ( cycles per second ) indicated horsepower inch square inch cubic inch inch - pound or pound - inch in3 in lb kc kilocycle kg kg'm kilogram kilogram - meter kg / m3 kilograms per cubic meter kL ...
Isi
ROCK WEATHERING | 3-4 |
LANDFORMS AND GEOMORPHOLOGY | 4-4 |
OPENCUT EXCAVATIONS | 5-3 |
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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