Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
Dari dalam buku
Hasil 1-3 dari 74
Halaman 9-34
... Estimated 98 trips for 2133 tons of logs . Trip estimated at 1.5 h , giving log - hauler rental time of 147 h . Total cost for log hauling , 147 × $ 50.00 $ 7350.00 7. Supervision for clearing and grubbing . Supervisor with pickup truck ...
... Estimated 98 trips for 2133 tons of logs . Trip estimated at 1.5 h , giving log - hauler rental time of 147 h . Total cost for log hauling , 147 × $ 50.00 $ 7350.00 7. Supervision for clearing and grubbing . Supervisor with pickup truck ...
Halaman 12-76
... estimated load of 14 cybm . From these data the hourly production in bank measurement is estimated as follows : Loose measurement load of each hauler unit , cylm . 14 / 0.78 Loading time for each hauler unit , min . 18/40 Estimated ...
... estimated load of 14 cybm . From these data the hourly production in bank measurement is estimated as follows : Loose measurement load of each hauler unit , cylm . 14 / 0.78 Loading time for each hauler unit , min . 18/40 Estimated ...
Halaman 14-43
... Estimated average travel speed at 80 % of maximum speed , mi / h Estimated hourly production based on WXSX TX 16.3 general equation : cycm = P W = compacted width per coverage , ft : Table 14-12 Table 14-9 S = travel speed , estimated ...
... Estimated average travel speed at 80 % of maximum speed , mi / h Estimated hourly production based on WXSX TX 16.3 general equation : cycm = P W = compacted width per coverage , ft : Table 14-12 Table 14-9 S = travel speed , estimated ...
Isi
ROCK WEATHERING | 3-4 |
LANDFORMS AND GEOMORPHOLOGY | 4-4 |
OPENCUT EXCAVATIONS | 5-3 |
Hak Cipta | |
26 bagian lainnya tidak diperlihatkan
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