specification for subdivision construction of road works and drainage
specification for subdivision construction of road works and drainage
specification for subdivision construction of road works and drainage
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Asphalt<br />
+ 5mm<br />
+ 5mm<br />
+ 100mm<br />
Surface<br />
- 0mm<br />
- 10mm<br />
- 0mm<br />
R2<br />
PAVEMENT MATERIALS<br />
R2.1 Modified Pindan<br />
This <strong>specification</strong> is <strong>for</strong> red slightly clayey or silty s<strong>and</strong> <strong>for</strong> use as a sub base course on well drained<br />
sealed <strong>road</strong>s.<br />
The material shall be extracted from an approved source <strong>and</strong> shall comply with the following criteria:<br />
PARTICLE SIZE DISTRIBUTION<br />
NOMINAL SIZE<br />
PERCENTAGE PASSING<br />
(mm)<br />
(by mass)<br />
4.75mm 100<br />
2.36mm 70 – 100<br />
1.13mm 50 – 100<br />
600Φm 36 – 100<br />
425Φm 30 – 84<br />
300Φm 25 – 71<br />
150Φm 18 – 50<br />
75Φm 13 – 35<br />
13Φm 5 – 15<br />
Dust ratio 0.2 – 0.6<br />
Liquid Limit ≤ 25<br />
Plasticity Index ≤ 10<br />
Linear Shrinkage 2-4%<br />
CBR unsoaked ≥ 60<br />
Specification <strong>for</strong> Subdivision Construction <strong>of</strong> Road Works <strong>and</strong> Drainage<br />
Rev. 1 – February 2013<br />
24
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