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Queensferry

Stage A · Structural foundations

Structural foundations: stage assessment

Modules 1 to 6: modelling, equilibrium, internal actions, trusses, cables and arches. Several of these need two ideas at once — find a reaction and then use it, or recognise which of two methods applies.

This draws on the whole stage rather than one module, and several questions need two ideas combined. Work them out properly before checking — the point is to find out what you can do unaided, and a hint taken early tells you nothing.

There is no pass mark and nothing is recorded anywhere but your own browser. If a question defeats you, the module it came from is listed alongside.

Module checkpoint

Check what you have taken in

6 questions

  1. Question 1

    A simply supported beam spans 9.00 m and carries a UDL of 16.0 kN/m over its whole length plus a 40.0 kN point load 3.00 m from the left support. What is the left-hand reaction, in kN?

  2. Question 2

    For that same beam, what is the bending moment at the position of the point load, 3.00 m from the left support, in kNm?

  3. Question 3

    A plane truss has 15 members, 9 joints and 3 reaction components. What can you say about it?

  4. Question 4

    A cable spans 60.0 m between level supports with a mid-span sag of 6.00 m, carrying 12.0 kN per horizontal metre. What is the horizontal component of tension, in kN?

  5. Question 5

    A three-pinned parabolic arch of the same span and rise (60.0 m, 6.00 m) carries the same 12.0 kN/m. What bending moment does it carry at the quarter point, in kNm?

  6. Question 6

    You are told a beam diagram is a triangle peaking at mid-span, with a peak ordinate of 3.0 m. What is it?

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