Level 6 Graduate Diploma in Engineering (9210-01) - City & Guilds
Level 6 Graduate Diploma in Engineering (9210-01) - City & Guilds
Level 6 Graduate Diploma in Engineering (9210-01) - City & Guilds
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3. Carry out geometric design of highways tak<strong>in</strong>g due regard of all relevant factors:<br />
a. design speed<br />
b. design year traffic volume<br />
c. capacity: level of service and service volumes<br />
d. design elements: sight distance, horizontal curvature, super elevation, grades, visibility on<br />
vertical curves, cross section elements.<br />
4. Describe the sub-grade stabilisation and compaction and important soil properties.<br />
5. Discuss structural elements of a highway pavement and causes of structural failure <strong>in</strong><br />
pavements.<br />
6. Discuss the material used <strong>in</strong> highway constructions:<br />
a. aggregates: orig<strong>in</strong> and type, production<br />
b properties of aggregate: shape, texture, gradation, strength, resistance to abrasion etc<br />
c. aggregate test<strong>in</strong>g<br />
d. aggregate blend<strong>in</strong>g<br />
e. bitum<strong>in</strong>ous road b<strong>in</strong>ders: orig<strong>in</strong> and type, production<br />
f. forms of bitumen: penetration grade, cutback bitumen, bitumen emulsions<br />
g. properties of bitumen: penetration, soften<strong>in</strong>g po<strong>in</strong>t, viscosity, ductility, flash and fire,<br />
durability<br />
h. test<strong>in</strong>g of bitumen<br />
i. stripp<strong>in</strong>g from aggregate<br />
j. rubberised bitumen<br />
k. bitum<strong>in</strong>ous mixes: dense and open graded mixes, properties of asphalt concrete mixes,<br />
asphalt concrete mix design<br />
l. recycled material for road construction: bitum<strong>in</strong>ous materials, green waste, blast furnace<br />
and steel slag, plastics, glass etc.<br />
7. Expla<strong>in</strong> highway pavement ma<strong>in</strong>tenance.<br />
54 <strong>Level</strong> 6 <strong>Graduate</strong> <strong>Diploma</strong> <strong>in</strong> Eng<strong>in</strong>eer<strong>in</strong>g (<strong>9210</strong>-<strong>01</strong>)
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