7.3 Compute the development length required for the top no. 9 bars of a cantilever beam that extend into the column support if the bars are a. Straight b. Have a 90° hook at the end c. Have a 180° hook at the end The bars are confined with no. 3 stirrups spaced at 5 in. and have a clear cover of 2.0 in. Use f = 4ksi and f₁ = 60 ksi. (Clear spacing=2.5 in.)

Structural Analysis
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Chapter2: Loads On Structures
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7.3 Compute the development length required for the top no. 9 bars of a cantilever beam that extend into the
column support if the bars are
a. Straight
b. Have a 90° hook at the end
c. Have a 180° hook at the end
The bars are confined with no. 3 stirrups spaced at 5 in. and have a clear cover of 2.0 in. Use
f = 4ksi and f₁ = 60 ksi. (Clear spacing=2.5 in.)
Transcribed Image Text:7.3 Compute the development length required for the top no. 9 bars of a cantilever beam that extend into the column support if the bars are a. Straight b. Have a 90° hook at the end c. Have a 180° hook at the end The bars are confined with no. 3 stirrups spaced at 5 in. and have a clear cover of 2.0 in. Use f = 4ksi and f₁ = 60 ksi. (Clear spacing=2.5 in.)
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Step 1: Given Data about the problem

A cantilever beam is given we need to find out the development length for 


a. Straight


b. Have a 90° hook at the end


c. Have a 180 hook at the end

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