You have been asked to quantify the reinforced concrete & formwork required to build the foundations of a 21-story skyscraper, covering a footprint of 100 ft x 250 ft. The foundations consist of 15 footings each of which is 2' in length, 2' in width, and 12" deep. Additionally, a foundation wall that is 8" thick and 2' tall will be placed continuously on each pad, along the perimeter of the building. No. 6 rebar will be placed vertically, within the foundation wall, 48 inches on center. Finally, 4 No. 4 rebars will be placed into each footing NOTE that No. 4 rebar is 0.668 lbs/ft & No. 6 rebar is 1.502 lbs/ft
You have been asked to quantify the reinforced concrete & formwork required to build the foundations of a 21-story skyscraper, covering a footprint of 100 ft x 250 ft. The foundations consist of 15 footings each of which is 2' in length, 2' in width, and 12" deep. Additionally, a foundation wall that is 8" thick and 2' tall will be placed continuously on each pad, along the perimeter of the building. No. 6 rebar will be placed vertically, within the foundation wall, 48 inches on center. Finally, 4 No. 4 rebars will be placed into each footing NOTE that No. 4 rebar is 0.668 lbs/ft & No. 6 rebar is 1.502 lbs/ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
1. Concrete in cubic yards?
2. No. 4 rebar in tons?
3. No. 6 rebar in tons?
4. Formwork in square footage?
Transcribed Image Text:You have been asked to quantify the reinforced concrete & formwork required to build the foundations of a 21-story skyscraper, covering a
footprint of 100 ft x 250 ft. The foundations consist of 15 footings each of which is 2' in length, 2' in width, and 12" deep. Additionally, a
foundation wall that is 8" thick and 2' tall will be placed continuously on each pad, along the perimeter of the building. No. 6 rebar will be
placed vertically, within the foundation wall, 48 inches on center. Finally, 4 No. 4 rebars will be placed into each footing NOTE that No. 4 rebar
is 0.668 lbs/ft & No. 6 rebar is 1.502 lbs/ft
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