Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 3-3
Horace K. Church. Chapter 2 discussed pragmatically the weathered zone of rock in the thin regolith of the Earth's surface . It is this weathered zone that is of special interest to the earthmover because the degree of weathering to the ...
Horace K. Church. Chapter 2 discussed pragmatically the weathered zone of rock in the thin regolith of the Earth's surface . It is this weathered zone that is of special interest to the earthmover because the degree of weathering to the ...
Halaman 3-8
... weathered fragments of rock . The breakage of these cubic - yard rectilinear blocks has taken place along both vertical and horizontal cooling joints . Figure 3-7 Unique weathering of columnar basalt . Weathering of columnar basalt near ...
... weathered fragments of rock . The breakage of these cubic - yard rectilinear blocks has taken place along both vertical and horizontal cooling joints . Figure 3-7 Unique weathering of columnar basalt . Weathering of columnar basalt near ...
Halaman 5-4
... weathered rock was ripped to about 45 - ft depth and the solid lava flow was blasted to grade . The runways , stretching completely across the north end of the island , are 11,000 ft long and 500 ft wide and the excavation was 10 ...
... weathered rock was ripped to about 45 - ft depth and the solid lava flow was blasted to grade . The runways , stretching completely across the north end of the island , are 11,000 ft long and 500 ft wide and the excavation was 10 ...
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/in˛ 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 ydł