Determine the tensile steel strain (in 5 decimal places) compatible with concrete strain of 0.003 for a singly reinforced beam 300 mm wide, 600 mm deep reinforced at the bottom with 6-ϕ20 mm bars with effective depth 518 mm. Use f’c = 21 MPa and fy = 420 MPa.
1. Determine the tensile steel strain (in 5 decimal places) compatible with concrete strain of 0.003 for a singly reinforced beam 300 mm wide, 600 mm deep reinforced at the bottom with 6-ϕ20 mm bars with effective depth 518 mm. Use f’c = 21 MPa and fy = 420 MPa.
2. Determine the tensile steel strain (in 5 decimal places) compatible with concrete strain of 0.003 for a singly reinforced beam 300 mm wide, 680 mm deep reinforced at the bottom with 6-ϕ25 mm bars with effective depth 590 mm. Use f’c = 21 MPa and fy = 420 MPa.
3. Determine the tensile steel strain (in 5 decimal places) compatible with concrete strain of 0.003 for a singly reinforced beam 300 mm wide, 680 mm deep reinforced at the bottom with 6-ϕ20 mm bars with effective depth 590 mm. Use f’c = 21 MPa and fy = 420 MPa.
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