Page 84 - Lecture Notes DCC3113

FEEDBACK ON EXERCISE 5
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1. List FOUR (4) types of joints in cement concrete pavement
(4 marks)

 Expansion joint
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 Contraction joint
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 Warping Joint
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
Construction oint
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2. List FOUR (4) advantages of rigid pavement construction
(4 marks)

 They provide excellent smooth surface for driving and provide better visibility.
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 They can deal with very heavy traffic.
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 Considering their life span more than 30 – 40 years, maintenance cost etc, cement concrete roads prove
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cheaper than bituminous roads.
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
Maintenance cost is negligible.
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3. There are TWO (2) methods of construction in rigid pavement. Compare the methods of paving
rigid pavement between manual and mechanical.
(10 marks)

Manual Mechanical
Set up side form in certain distance of the pavement Set up side form a long distance of the
before paving. pavement before paving.
Cast the concrete by machine as slip paver and
Cast the concrete by hand (human labor)
fix pave.
Construction takes a long time Reduce the time of construction period

High labour costs Reduce labour cost

Compacted concrete slab surface use 'Vibrating Compaction & forming operations long-run
tamping beam by hand within the term limits of paving machine
Requires the use wooden or metal side forms that are Does not require any steel or wooden forms
set up along the perimeter of the pavement before
paving

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