Design the torsional and shear reinforcement for the beam as shown in the figure. The resulting L beam supports a live load of "A" kN/m along the beam centerline plus "E" kPa uniformly distributed over the upper slab surface. Assume clear cover 40 mm and "F" diameter stirrups. Use the unit weight of concrete 23.60 kN/m³. Round off your initial calculations and final answer by 3 decimal places. b

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Chapter2: Loads On Structures
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Design the torsional and shear reinforcement for the beam as shown in the figure. The resulting L beam
supports a live load of "A" kN/m along the beam centerline plus "E" kPa uniformly distributed over the
upper slab surface. Assume clear cover 40 mm and "F" diameter stirrups. Use the unit weight of concrete
23.60 kN/m3. Round off your initial calculations and final answer by 3 decimal places.
Given:
L =
13
width of column =
0.6
m
z =
2.3
Over-all depth of beam, h =
725
mm
Width of beam, b =
350
mm
Thickness of slab, t =
125
mm
Effective depth, d =
660
mm
f'c =
35
MPa
Yield strength of flexural steel, fy = 414
MPa
Yield strength of stirrups, fyt =
275
MPa
A =
7
kN/m
E E E
Transcribed Image Text:Design the torsional and shear reinforcement for the beam as shown in the figure. The resulting L beam supports a live load of "A" kN/m along the beam centerline plus "E" kPa uniformly distributed over the upper slab surface. Assume clear cover 40 mm and "F" diameter stirrups. Use the unit weight of concrete 23.60 kN/m3. Round off your initial calculations and final answer by 3 decimal places. Given: L = 13 width of column = 0.6 m z = 2.3 Over-all depth of beam, h = 725 mm Width of beam, b = 350 mm Thickness of slab, t = 125 mm Effective depth, d = 660 mm f'c = 35 MPa Yield strength of flexural steel, fy = 414 MPa Yield strength of stirrups, fyt = 275 MPa A = 7 kN/m E E E
Thickness of slab, t =
125
mm
Effective depth, d =
660
mm
f'c =
35
MPa
Yield strength of flexural steel, fy = 414
MPa
Yield strength of stirrups, fyt =
275
MPa
A =
7
kN/m
E =
kPa
F =
12
mm
a.) Threshold Torsion
kN-m
b.) Perimeter of centerline of outermost stirrups
mm
c.) Area enclosed by centerline of outermost transverse torsional reinforcements
mm2
d.) Spacing @critical region (round off by multiples of 10)
mm
e.) Spacing @2.50 m (round off by multiples of 10)
mm
f.) Minimum transverse reinforcements
mm2
g.) Minimum longitudinal reinforcements for torsion
mm2
h.) Total Longitudinal bars for torsion
mm2
Transcribed Image Text:Thickness of slab, t = 125 mm Effective depth, d = 660 mm f'c = 35 MPa Yield strength of flexural steel, fy = 414 MPa Yield strength of stirrups, fyt = 275 MPa A = 7 kN/m E = kPa F = 12 mm a.) Threshold Torsion kN-m b.) Perimeter of centerline of outermost stirrups mm c.) Area enclosed by centerline of outermost transverse torsional reinforcements mm2 d.) Spacing @critical region (round off by multiples of 10) mm e.) Spacing @2.50 m (round off by multiples of 10) mm f.) Minimum transverse reinforcements mm2 g.) Minimum longitudinal reinforcements for torsion mm2 h.) Total Longitudinal bars for torsion mm2
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