Question
Download Solution PDFIdentify the INCORRECT statement with respect to concrete Stress block in compression of a singly reinforced cement concrete section.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Stress and Strain Diagram of a Singly Reinforced Beam in Limit State Method:
Where Xu = Actual depth of neutral axis
fck = Characteristic compressive strength of concrete
fy = Yield stress of steel
The depth of centre of compressive force from the extreme top fibre in compression is 0.42xu.
The bending stress at the neutral axis of the section is zero.
The area of stress block is equal to 0.36 fckxu.
The compressive strength of concrete for design porpouse is 0.67 fck.
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