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Specification Part 3 - Road & Bridge Works - Urban Administration ...

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Fig. 100.2 Terms Used in the <strong>Specification</strong> to Describe <strong>Road</strong> Cross-Section Elements with a Concrete<br />

Pavement<br />

Treated shoulders shown in the cross-section shall be of two types:-<br />

i) “Hard” shoulders which have select gravel/moorum, any other compacted granular layer or<br />

bricks.<br />

ii)<br />

“Paved” shoulders which have a bituminous surfacing over granular layers.<br />

103 MATERIALS AND TEST STANDARDS<br />

The relevant standards for materials, as well as the testing procedures, have been indicated at appropriate<br />

places in the specifications. A list of these standards with their full title and the year of publication<br />

applicable are included at Appendix – 2.5<br />

104 SIEVE DESIGNATIONS<br />

The sieve designations referred to in the <strong>Specification</strong>s correspond to those specified by Bureau of Indian<br />

Standards in IS: 460. Table 100-1 gives the list of the commonly used IS sieves.<br />

Table 100-1 Designation of Test Sieves<br />

IS Designation Conforming to IS:460<br />

(in mm)<br />

(in micron)<br />

*125 850<br />

106<br />

*90 *710<br />

75 600<br />

*63 *500<br />

53 425<br />

355<br />

300<br />

*45 *250<br />

37.5 212<br />

*31.5 *180<br />

26.5 150<br />

*22.4 *125<br />

19.0 106<br />

*16.0 *90

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