Excavation HandbookMcGraw-Hill, 1981 - 1000 halaman |
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Halaman 8-34
... cost . Total Hourly Costs . This fourth element summarizes fixed charges ; repairs and re- placements , including labor ; and operating expenses . All four percentage elements are rounded off to the nearest integer . Use of Table of Hourly ...
... cost . Total Hourly Costs . This fourth element summarizes fixed charges ; repairs and re- placements , including labor ; and operating expenses . All four percentage elements are rounded off to the nearest integer . Use of Table of Hourly ...
Halaman 9-33
... Hourly cost of ownership and operation of the machines , as derived from Table 8-3 : 300 - hp tractor - bulldozer . 1978 cost = $ 183,000 . 33 % of $ 183 20 cysm wheel - tire - mounted scraper . 1978 cost $ 79,000 . 28 % of $ 79 ...
... Hourly cost of ownership and operation of the machines , as derived from Table 8-3 : 300 - hp tractor - bulldozer . 1978 cost = $ 183,000 . 33 % of $ 183 20 cysm wheel - tire - mounted scraper . 1978 cost $ 79,000 . 28 % of $ 79 ...
Halaman 11-19
... hourly cost is : Machine , 36 % of $ 280 Operator Total $ 100.70 15.60 $ 116.30 This cost must be adjusted to soft , medium , and extremely hard ripping in terms of the differences in costs for points and shank protectors , consumed ...
... hourly cost is : Machine , 36 % of $ 280 Operator Total $ 100.70 15.60 $ 116.30 This cost must be adjusted to soft , medium , and extremely hard ripping in terms of the differences in costs for points and shank protectors , consumed ...
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