# resident structural engineer of Pioneer Construction Company

resident structural engineer of Pioneer Construction Company

include the supervision of structural works and design of temporary structural works for

approval by the client’s representative. A number of construction procedures will require the

use of temporary works and you are asked to provide calculations and steps clearly for the

client’s approval:

1. Be able to analyse bending moments and shear forces for statically determinate

structures

1.1 Evaluate the support reactions for the following structures and sketch the bending

moment and shear diagram of the structures. : [P1.1]

a)

l16kN 4kNfm

AB

I lm I 1111 I 2111 I 2m I 2:11 I

b)

4kN

3&3} ~ 121 UKN/I31

A C E D

I 253; I 2.5311 I 2211 I

Rev 00

Date: 28-10-2013

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c) m

“N 31*“ 6 21<N/m

A ., , G

lzm I 21:: Ilmllflll 21:1 631 1

Evaluate the reaction forces of the following rigid frame and compute the bending

moment diagram of the structures: [P1.2]

3_gkN I3) 2’kN/In

C B E .m.M. Ellllllg

E -D _ I D C E‘

3kN/ =’I IN II I 5

In “: I; – IF)

V I 1

In

‘III! I A B

3 b’- t-

39., ’IE5n1EIE5m _l“

41.11 I

13

Be able to analyse bending deflections for statically determinate structures

For a simply supported beam AB of length L and stiffness E1, subjected to a UDL, show

that: [P2.1]

3 3For the following beam, of dimensions b=15omm and d=225mm and E=lokN/mm3, show

that 9, =7x1o“ ratis and 5,, =9.36 mm: [Pu]

Sim

A E»

J‘_______.2’.___fi[/

For the following beam, determine the deflections at A, E and the maximum overall

deflection in the span by using Macaulay’s Method. Take EI=4oMNm2: [P2.1]

Qoludu ‘éobxi ‘ zoluu

<2} 5 :3 <1 g E-

I 9. I ‘I’ l : ‘+ I : 2. I

Be able to appraise the behaviour of elastic columns subjected to axial loading

1 A steel column of length L=38oomm is made from a rectangular section with breadth

1oomm and depth 14omm. For major axis bending, it is pinned at both ends, but for minor

axis bending, it is pinned at one end and built in at the other. Find the effective length of

the column for buckling about each axis. Find the slendemess of the column for buckling

about each axis. Given that the elastic modulus E is 2×105 MPa, find the elastic Euler

buckling stress and the buckling load for buckling about each axis. Will the column buckle

about the major axis or the minor axis, and what will the actual elastic buckling load be?

[P3.1]

End of Assignment 1

Rev 00

3;: 1421.; 93=_ wI.; 56: 5191′.‘

24E! 24331 384.521

Rev 00

Date: 28-10-2013

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