Length = 4.8 meter,
Clear Span length is 4.5 meter.
Dimension = 350 mm (Overall Depth) x 250 mm (wide),
Grade of Concrete = M 30,
Grade of Steel = Fe 500,
Code design = IS 456
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Explosive Load (Pressure) = 100 Kg, 0.065 MPa for detonated in 10 m
distance act at center of Beam
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Deflection = 1.468 mm,
FOS = 2.5,
Singly Reinforced Cross Sections.
20 mm diameter of bars used at 2-numbers in bottom sides.
Figure 10
Figure 11
Doubly Reinforced Cross sections.
10 mm diameter of bars used at 10-Number in top and bottom sides.
Shear Reinforcement = 8 mm diameter @ 9-numbers of links, 230 mm c/c
distance.
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Explosive Load (Pressure) = 150 Kg, 0.0975 MPa for detonated in 10 m
distance act at center of Beam
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Deflection = 2.446 mm,
FOS = 2.5,
Singly Reinforced Cross Sections.
20 mm diameter of bars used at 3-numbers in bottom sides.
Doubly Reinforced Cross sections.
12 mm diameter of bars used at 12-Number in top and bottom sides.
Shear Reinforcement = 8 mm diameter @ 9-numbers of links, 230 mm c/c
distance.
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Explosive load above 150 to 500 Kg, detonated with 5m distance act at
center of beam |
Increased depth of beam 400 to 450 mm, and provided pre
tention or post tensioning wire ducts. And following the special case
additive material. Increased the grade of concrete. |
Length = 3.96 meter,
Effective Span length is 3.66 meter.
Dimension = 470 mm (Overall Depth) x 250 mm (wide),
Grade of Concrete = M 30,
Grade of Steel = Fe 500,
Code design = IS 456
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Explosive Load (Pressure) = 165 Kg, 0.105 MPa for detonated in 10 m
distance act at center of Beam
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Deflection = 1.211 mm,
FOS = 2.5,
Doubly Reinforced Cross sections.
16 mm diameter of bars used at 3-Number in top and bottom sides.
Shear Reinforcement = 8 mm diameter @ 240 mm c/c distance.
Figure 12
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