Design of Slabs, Footings and Beams
13 important questions on Design of Slabs, Footings and Beams
What are the characteristics of a 1 way slab?
- Slender
- Spacing not an issue for longitudinal reinforcement
- No transverse shear reinforcement
- Lightly reinforced
How is the thickness of a 1 way slab found?
What is the minimum reinforcement in a 1-way slab?
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What are the spacing requirements for the BUL reinforcements in a 1 way slab?
For an inverted T-Beam, what must the area of steel reinforcement in a distance within (clear span)/20 be greater than?
What are the characteristics of a typical footing?
- Compression struts to resist shear
- Thick footings have transverse shear reinforcement
- Thin footings will most likely not have transverse shear reinforcement
- Thick, >2000 mm
- Can have multiple layers of reinforcement to resist shear in both directions
How are plan dimensions of a footing found?
How is thickness of a footing found
Why check bearing at the top of a footing?
What are the characteristics of a typical beam?
- Contain minimum transverse shear reinforcement
- Longitudinal reinforcement in layers due to spacing issues
What is the purpose of minimum reinforcement in a structural concrete member?
What is the purpose of skin reinforcement in a large beam? H>750 mm?
What 2 factors must be considered when finding cut off lengths for longitudinal reinforcement?
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