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CHAPTER
20
Concrete Equipment
1. a.
1. b.
ℎ𝑟. )
1. c.
𝑑𝑎𝑦
157𝑐𝑢.𝑦𝑑.
ℎ𝑟. =$𝟖.𝟗𝟔
20 - 2
2. 𝐶𝑦𝑐𝑙𝑒 𝑡𝑖𝑚𝑒=1.5 𝑚𝑖𝑛.+ 90 𝑓𝑡.
3. a.
ℎ𝑟. )(45𝑚𝑖𝑛.
ℎ𝑟. )
3. b.
20 - 3
ℎ𝑟. )
(3.1 𝑚𝑖𝑛.)(27𝑐𝑢.𝑓𝑡.
𝑐𝑢.𝑦𝑑.)=11.9𝑐𝑢.𝑦𝑑.
3. b. (continued)
𝑑𝑎𝑦
11.9𝑐𝑢.𝑦𝑑.
ℎ𝑟. =$𝟓.𝟏𝟗
3. c.
3. d.
4. a.
ℎ𝑟. )(45𝑚𝑖𝑛.
ℎ𝑟. )
4. b.
ℎ𝑟. )
20 - 4
𝑑𝑎𝑦
8ℎ𝑟.
𝑑𝑎𝑦 +$60
4. b. (continued)
ℎ𝑟.
25𝑐𝑢.𝑦𝑑.
ℎ𝑟. =$𝟏𝟖.𝟓𝟒
𝒄𝒖.𝒚𝒅.
4. c.
ℎ𝑟. )
4. d.
5. a.
ℎ𝑟. )(45𝑚𝑖𝑛.
ℎ𝑟. )
5. b.
20 - 5
ℎ𝑟. )
5. b. (continued)
ℎ𝑟. )
