Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 11-111
... cubic yards of rock displaced per hour by multiplying drilling rate ( Step 2 ) by cubic yards displaced per foot of blasthole for pattern determined in Step 3. See Table 11-28D . Step 5. Determine cubic yards per shift by multiplying cubic ...
... cubic yards of rock displaced per hour by multiplying drilling rate ( Step 2 ) by cubic yards displaced per foot of blasthole for pattern determined in Step 3. See Table 11-28D . Step 5. Determine cubic yards per shift by multiplying cubic ...
Halaman 7
... Cubic yards loose Cubic yards in fill. Cubic yards , Cubic yards loose in cut- Percent Weight , Material sp gr weight , lb swell lb Damp ( 2.00 ) 3370 40 2400 Wet , Mud ( 1.75 ) 2940 2940 Loess , S : Dry ( 1.91 ) 3220 35 2380 Wet ( 1.99 ) ...
... Cubic yards loose Cubic yards in fill. Cubic yards , Cubic yards loose in cut- Percent Weight , Material sp gr weight , lb swell lb Damp ( 2.00 ) 3370 40 2400 Wet , Mud ( 1.75 ) 2940 2940 Loess , S : Dry ( 1.91 ) 3220 35 2380 Wet ( 1.99 ) ...
Halaman 17
... Cubic feet ( ft3 ) 1728 Cubic feet ( ft3 ) 7.48 Cubic yards ( yd3 ) Cubic yards ( yd3 ) 202 Acre - feet ( acre ft ) 43,560 Acre - feet ( acre ft ) 1613 27 Feet ( ft ) Yards ( yd ) Square inches ( in2 ) Square feet ( ft2 ) Square feet ...
... Cubic feet ( ft3 ) 1728 Cubic feet ( ft3 ) 7.48 Cubic yards ( yd3 ) Cubic yards ( yd3 ) 202 Acre - feet ( acre ft ) 43,560 Acre - feet ( acre ft ) 1613 27 Feet ( ft ) Yards ( yd ) Square inches ( in2 ) Square feet ( ft2 ) Square feet ...
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