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18 - 1
CHAPTER
18
Shaft Drilling and Pile Driving
1.
𝑇𝑖𝑚𝑒 = (48 𝑝𝑖𝑙𝑒𝑠)(60 𝑓𝑡.
𝑝𝑖𝑙𝑒)
2. a.
ℎ𝑟.)(24𝑚𝑖𝑛.
ℎ𝑟. )
𝑆𝑒𝑡 𝑈𝑝 𝑎𝑛𝑑 𝐷𝑒𝑚𝑜𝑏𝑖𝑙𝑖𝑧𝑎𝑡𝑖𝑜𝑛 = (12 ℎ𝑟.+ 10 ℎ𝑟.)
(8ℎ𝑟.
𝑑𝑎𝑦)= 2.8 𝑑𝑎𝑦𝑠
2. b.
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3. a.
𝑆𝑒𝑡 𝑈𝑝 𝑎𝑛𝑑 𝐷𝑒𝑚𝑜𝑏𝑖𝑙𝑖𝑧𝑎𝑡𝑖𝑜𝑛 = (8 ℎ𝑟.+ 6 ℎ𝑟.)
3. b.
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