Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 13-29
... surface , and grade resistance is the component of the weight of the machine parallel to the surface . When working downgrade , the resolution of forces is the same as that for upgrade haulage , except that the force due to the grade ...
... surface , and grade resistance is the component of the weight of the machine parallel to the surface . When working downgrade , the resolution of forces is the same as that for upgrade haulage , except that the force due to the grade ...
Halaman 16-26
... surface inclined at an angle ℗ to the surface normal to the axis of the beam varies according to the cosine of the angle . The equation is : Ee = " En cos 0 where E. E , - illumination on surface inclined at angle 0 , lm or fe ...
... surface inclined at an angle ℗ to the surface normal to the axis of the beam varies according to the cosine of the angle . The equation is : Ee = " En cos 0 where E. E , - illumination on surface inclined at angle 0 , lm or fe ...
Halaman 17-6
... surface . The top surface generally is the ground surface in cuts and the bottom surface is the ground surface in fills . ( Warped irregular ground surface is indicated by hachures— 111111 ) The last three diagrams show solids which may ...
... surface . The top surface generally is the ground surface in cuts and the bottom surface is the ground surface in fills . ( Warped irregular ground surface is indicated by hachures— 111111 ) The last three diagrams show solids which may ...
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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