Unit 30: Structural Analysis & Design
SIHE Unit Reference: CON260
BTEC Unit Reference 3212S
Credit Points: 15
Parent Course: Higher Nationals Con. & B. E.
Delivering Faculty: Technology
Level (on parent course): 1 (BTEC H1)
Date Validated: May 20
01
TOTAL STUDENT WORKLOAD
Students are required to attend and participate in all the formal timetabled sessions for the
unit. Students are also expected to manage their directed learning and independent study
in support of the unit.
Where normal t
imetabled sessions do not take place, additional directed learning may be
provided, and/or students are expected to undertake additional independent learning
.
PREQUISITES
Study of
–
Design Principles & Application, Science & Materials, and Analytical
Met
hods
Description of Unit
This unit develops the student’s ability to analyse simple structures and produce an appropriate
design. The unit builds on techniques and understanding of structural behaviour developed in
Science & Materials.
The unit aims to
provide the student with the basic analysis and design knowledge required to
carry out the design of common structural elements to the appropriate British Standard, Code of
Practice or European Code of Practice.
The student is encouraged to work with sim
ple real life examples and to gain the skills and
understanding to develop effective and economic designs.
Summary of outcomes
To achieve this unit a student must:
1
Calculate
bending moments and shear forces
for simple structures
2
Explore
bending deflection
s
for simple structures
3
Explore the behaviour of
elastic columns
under axial loading
4
Examine
design methods for simply supported beams
in steel, reinforced concrete and
timber
5
Examine
design methods for columns
in steel, reinforced concrete, timber and m
asonry.
Summary of Outcomes
1
Bending moments and shear forces
Analyse cantilevers and simply supported beams
: evaluate cantilevers and simply supported
beams with a number of point loads and uniformly distributed loading, using superposition
techniques d
etermine the bending moment diagrams and shear force diagrams for the beams
Analyse three pin frames
: evaluate three pin frames with inclined, horizontal and vertical
members with a number of point loads and uniformly distributed loading, determine the
ben
ding moment diagrams and shear force diagrams for the frames
2
Bending deflections
Bending deflections for cantilevers and simply supported beams
: Using Mohr's Moment

area
method, or Macauley’s method, determine the maximum deflection for cantilevers and s
imply
supported beams of uniform section carrying a point load or an uniformly distributed load,
explore the effect of different materials and beam section on bending deflection in beams.
3
Elastic columns
Behaviour of slender elastic columns under axial l
oading
: Investigate elastic buckling, using
Euler’s method determine the critical load for an elastic column, investigate the concept of
effective length.
4
Design methods for simply supported beams
Produce valid designs for simply supported beams in steel
: examine the concept of limit state
design as applied to steel, examine classification of sections, determine the suitability of
UB/UC sections regarding moment capacity, shear resistance and deflection.
Produce valid designs for simply supported beams in
reinforced concrete
: examine the
concept of limit state design as applied to reinforced concrete, determine the reinforcing
requirements and the deflection performance of singly reinforced rectangular beams.
Produce valid designs for simply supported beam
s in timber
: examine the natural
characteristics of timber and evaluate how these affect the design methods, determine the
suitability of rectangular beams regarding moment capacity, shear capacity, bearing capacity
and deflection.
5
Design methods for col
umns
Produce valid designs for columns in steel
: examine the buckling characteristics of UC, UB
and SHS sections, determine the axial load capacity of slender axially loaded sections with
bending moments about the major axis.
Produce valid designs for sho
rt columns in reinforced concrete
: determine design status of
column, determine the reinforcing requirements of a short reinforced column under axial load
with bending moments about one axis
Produce valid designs for columns in timber
: determine the axial
load capacity of slender
rectangular timber sections
Produce valid designs for columns in masonry
: determine the vertical load capacity of square
and rectangular masonry columns.
Outcomes and Assessment Criteria
Outcomes
Assessment criteria
To achieve ea
ch outcome the student must demonstrate the
ability to:
1
Calculate
bending
moments and
shear forces
for
simple structures
Calculate the bending moments and shear forces in a simply
supported beam with both point loading and uniformly
distributed loading an
d draw the bending moment and shear
force diagrams
Calculate the bending moments and shear forces in a three pin
frame with both point loading and uniformly distributed loading
and draw the bending moment and shear force diagrams.
2
Explore
bending
deflecti
ons
for
simple structures
Calculate mid span bending deflection in a simply supported
beam with point loading and also in a simply supported beam
with uniformly distributed loading .
3
Explore the
behaviour of
elastic columns
under axial
loading
Calculate t
he axial load carrying capacity of perfectly elastic
columns with differing end conditions.
4
Examine
design
methods for
simply supported
beams
in steel,
reinforced
concrete and
timber
Produce a valid design for a steel beam
Produce a valid design for a
reinforced concrete beam
Produce a valid design for a timber beam.
5
Examine
design
methods for
columns
in steel,
reinforced
concrete, timber
and masonry
Produce a valid design for a steel section column
Produce a valid design for a short reinforced concret
e column
Produce a valid design for a timber column
Produce a valid design for a masonry column.
Delivery
Students will, in general, work individually, however some group work may be useful in
classroom situations. Emphasis will be placed on manual analy
sis techniques to determine the
values required for the subsequent design procedures. The designs of the structural elements can
be simple but will fully comply with the appropriate current standards. It is important that the
students become familiar wit
h current design practice of comparing capacity with load rather than
applied stress to allowable stress.
Assessment (Genesis Data)
In Unit
assessment
IU1
weighting %:
60%
assessment type:
Assignments and workbook
duration:
In course
special fac
ilities:
None Required
additional details:
The pass mark for this element is Pass Minus P

(35%)
End of Unit
assessment
ET1
weighting %:
40%
assessment type:
Examination
duration:
2 hours
special facilities:
None required
additional details:
T
he pass mark for this element is Pass Minus P

(35%)
Common Skills should be assessed on 30% of the in unit assessment load and should
be from areas associated with team activities, testing processes, communication, task
management, numeracy and the app
lication of information technology.
Assessment Strategy
To assist learning, there will be frequent use of design problems to familiarise the student
with the process of
Structural Analysis & Design
. The in unit assessments and end test
will be designed t
o integrate this process as well as to satisfy the designated
learning
outcomes.
Suggested Reading
Gere J, Timoshenko S

Mechanics of Materials
(4
th
edition, Stanley Thornas, 1996)
Seward D

Understanding Structures
(Macmillan, 1998)
Draycott T

Stru
ctural Elements Design Manual
(Butterworth

Heinemann, 1990)
Williams M, Todd J

Structures: Theory and Analysis
(Macmillan, 1999)
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