Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 5-10
... Kinds of Rocks and Depths to " Drill - and - Shoot " Rock as Encoun- tered in About 1 Billion yd3 of Excavation in 508 Public and Private Works of Excavation Kinds of rock Igneous : Intrusive , as granite Extrusive : Thick - bedded , as ...
... Kinds of Rocks and Depths to " Drill - and - Shoot " Rock as Encoun- tered in About 1 Billion yd3 of Excavation in 508 Public and Private Works of Excavation Kinds of rock Igneous : Intrusive , as granite Extrusive : Thick - bedded , as ...
Halaman 5-17
... kinds of rock is 55 ft . Of course , the tabular data are averages and as averages they are to be properly ... kinds of excavation have been given and these may be called medium and large projects . Of course there are many kinds of ...
... kinds of rock is 55 ft . Of course , the tabular data are averages and as averages they are to be properly ... kinds of excavation have been given and these may be called medium and large projects . Of course there are many kinds of ...
Halaman 11-92
... kinds of drills for big - hole work . These larger cable drills range up to 36,000 lb when mounted on a semitrailer ... kinds of drills . However , both investment and hourly cost of ownership and operation are also low . These factors ...
... kinds of drills for big - hole work . These larger cable drills range up to 36,000 lb when mounted on a semitrailer ... kinds of drills . However , both investment and hourly cost of ownership and operation are also low . These factors ...
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