Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 12-47
... angle is 90 ° , and the total distance of hoist and lowering to seawall position for rock averages 30 ft . There is ... ANGLE FROM BOOM CENTER CENTER OF ROTATION GROUND 50 130 855057 12 ४ . 35 ° 100 110 120 150 RADIUS FROM CENTER OF ...
... angle is 90 ° , and the total distance of hoist and lowering to seawall position for rock averages 30 ft . There is ... ANGLE FROM BOOM CENTER CENTER OF ROTATION GROUND 50 130 855057 12 ४ . 35 ° 100 110 120 150 RADIUS FROM CENTER OF ...
Halaman 13-18
... angle of slope , the following errors are incurred : 1. For calculations involving the approximation that sine ... angle between the vertical and normal forces equals the angle of slope , as the sides of the two angles are at right ...
... angle of slope , the following errors are incurred : 1. For calculations involving the approximation that sine ... angle between the vertical and normal forces equals the angle of slope , as the sides of the two angles are at right ...
Halaman 13-100
... angle of inclination . The table gives also maximum TABLE 13-31 Inclined Lengths of Belt Conveyors According to Horizontal and Vertical Dis- tances or Degrees of Angles of Inclination CONVEYOR BELT For finding inclined length and degree ...
... angle of inclination . The table gives also maximum TABLE 13-31 Inclined Lengths of Belt Conveyors According to Horizontal and Vertical Dis- tances or Degrees of Angles of Inclination CONVEYOR BELT For finding inclined length and degree ...
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