Week 6 - PowerPoint PPT Presentation

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Week 6

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The details are for before during and after the erection of formwork Week 9 Calculations Working out volumes of concrete Hydrostatic pressure Week 10 Selecting ... – PowerPoint PPT presentation

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Title: Week 6


1
Week 6
  • Timber based columns
  • Erecting, propping, plumbing up and cramping
    technology
  • Circular proprietary column systems

2
How to construct timber based column panels
  • Select your material - 100 mm x 50 mm european
    whitewood
  • 18 mm WBP ( Water and boilproof ) plywood
  • Cut your backing timber to length Check your
    specification or drawing for the column
    dimensions
  • Add 18 mm to the finished width of the column for
    the plywood facing rips
  • Ie For a column which is 400mm wide The
    plywood will be 418 mm wide,

3
How to construct timber based column panels
The timber should overhang by 50 mm on one side
100 mm x 50 mm timber backing
Plywood facing Note for a 400 column the ply
is cut 418 mm wide
418
The timber should overhang by 18 mm on one side
Note you must make 4 of these panels to form a
set
4
Activity 9
  • Reproduce this diagram on A4 drawing paper using
    drawing boards and equipment. Do not draw this
    diagram to scale just proportion it to your
    drawing paper

5
  • Draw a cross sectional ( Overhead view ) of the
    formwork required to cast a 500 mm x 500 mm
    column. The drawing should be drawn to a scale of
    15

Column cramps 75 mm wide
500 mm x 500 mm Coumn
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8
Week 7
  • Suspended slabs
  • Erecting, propping and edge forming technology

9
Activity 10
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11
Week 8
  • Suspended slab with drop edge beam
  • Formwork construction requirements
  • A listing of all the requirements of formworking
    materials and equipment.
  • The details are for before during and after the
    erection of formwork

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13
Activity 11
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16
Activity 12
17
Week 9
  • Calculations
  • Working out volumes of concrete
  • Hydrostatic pressure

18
Activity 13 Calculations
Your tutor will discuss the working out with the
class once you have attempted the calculations
19
Activity 14
20
Hydrostatic pressure
Example Calculate the maximum hydrostatic
pressure at the bottom of a 2 m high concrete
column, assuming the density of concrete is 2400
kg/m3. Maximum hydrostatic
Density of Distance
from top Pressure at any point
Concrete (Kg/m3 x of
form
100 ( Converts to KN Max pressure
2400 x 2 100 Max
pressure 48 KN/m2
21
  • Calculate the maximum hydrostatic pressure on the
    following columns
  • Height 1.4 m Density of concrete 2400
    Kg/m3
  • Height 1.8 m Density of concrete 2500
    Kg/m3
  • C. Height 3.4 m Density of concrete
    2450 Kg/m3

22
Week 10
  • Selecting plant, materials, equipment and
    resources
  • Reading the information
  • Occupations, roles, trades and responsibilities
    within the construction industry
  • List the trades

23
Activity 15 16On Site Trades -
Tasks they carry out
  • Joiner / Carpenter Fit floor joists, fit
    windows, hanging doors
  • Bricklayer Setting out buildings, laying
    bricks, laying blocks
  • Plumber Central heating, toilets, bathrooms
  • Plasterer Applying Bonding, browning, finish,
    fixing plasterboard, board finish, ceilings, dry
    lining, restoration work, repair
  • Electrician Fitting consumer units, back boxes,
    lighting circuits, sockets and appliances
  • Scaffolder- Erecting and dismantling all types of
    scaffolding
  • Groundworker Excavating, landscaping, drainage
    and road forming
  • Roof tiler Battening, felting and tiling all
    types of roof

24
Activity 17
  • Scale measurement
  • Just measure the lines in your activity book and
    multiply it by the scale size
  • IE 1 5 multiply by 5

25
  • Activity 18
  • Draw the type of line at the side of the
    descriptions below
  • Main Outlines -
  • Hidden Detail -
  • Centre Lines -
  • Broken Lines -
  • Open Arrowhead -
  • Solid Arrowhead -

26
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