a) A steel channel section 200mm wide has a span of 8 metres. The channel rests on two existing supports forming simply supported beam. A point load of 5kN is applied at the centre. Calculate and plot the moment, shear and reactions. A P (SN) Elevation-Preliminary BeamDesign ■ P (SKN) Plan-Preliminary Beam Design P (SN) ↓ Section AA-Preliminary Beam Design
a) A steel channel section 200mm wide has a span of 8 metres. The channel rests on two existing supports forming simply supported beam. A point load of 5kN is applied at the centre. Calculate and plot the moment, shear and reactions. A P (SN) Elevation-Preliminary BeamDesign ■ P (SKN) Plan-Preliminary Beam Design P (SN) ↓ Section AA-Preliminary Beam Design
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:a) A steel channel section 200mm wide has a span of 8 metres. The channel rests on two existing supports forming
simply supported beam. A point load of 5kN is applied at the centre. Calculate and plot the moment, shear and
reactions.
P (5KN)
Elevation-Revised Beam Design
1.0m
b) The load is moved so it is now applied 1.0 m from the longitudinal centre line of the beam.
P (5KN)
Plan-Revised Beam Design
P (5KN)
Fond
P (SN)
Elevation-Preliminary Beam Design
P (5KN)
Plan-Preliminary Bear Design
Section A.A-Preliminary Beam Design Shown
(Candidate to determine appropriate section shape)
P (5KN)
I
Section A.A-Preliminary Beam Design
i) The beam design will need to be changed to accommodate and support the load in this new position. Please
suggest the necessary changes and draw the plan, elevation, and section of the new beam layout. Please
plot all the moments, shears and reactions for this revised layout.
ii) If the new beam supporting the revised loading position is changed to reinforced concrete, please sketch
section A-A through the beam showing the position of the reinforcement required. Explain what forces each
bar is reinforcing against.
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