Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 2-9
... Medium to hard excavation . Light to dark color . Medium , uniform - size crystals . Soft to hard excavation . Dark color . Medium - size crystals . Medium to hard excavation . Light to dark color . Medium to large crystals . Soft to ...
... Medium to hard excavation . Light to dark color . Medium , uniform - size crystals . Soft to hard excavation . Dark color . Medium - size crystals . Medium to hard excavation . Light to dark color . Medium to large crystals . Soft to ...
Halaman 2-11
... Medium to hard excavation . Formed from fine - grained igneous rocks . Light to dark greenish color . Medium to hard excavation . Formed from limestone . Light to medium color . Hard excavation . Formed from sandstone . Light to medium ...
... Medium to hard excavation . Formed from fine - grained igneous rocks . Light to dark greenish color . Medium to hard excavation . Formed from limestone . Light to medium color . Hard excavation . Formed from sandstone . Light to medium ...
Halaman 2-12
... medium excavation . Galena , a lead sulfide of 87 % lead content . Dark color . Occurs in veins in igneous , sedimentary , and metamorphic rocks . Medium to hard excavation . Magnesite , a magnesium carbonate of 29 % magnesium content ...
... medium excavation . Galena , a lead sulfide of 87 % lead content . Dark color . Occurs in veins in igneous , sedimentary , and metamorphic rocks . Medium to hard excavation . Magnesite , a magnesium carbonate of 29 % magnesium content ...
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