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

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2607. STRIP SEAL EXPANSION JOINT<br />

2607.1. Components<br />

Strip seal expansion joint shall comprise the following items:<br />

a) Edge beams - This special claw leg profiled member shall be of extruded rolled steel section<br />

combining good weld ability with notch toughness.<br />

b) Strip seal - This shall be of chloroprene with high tear strength, insensitive to oil, gasoline, and<br />

ozone. U shall have high resistance to aging. This component, provided to ensure water lightness,<br />

shall have bulbous shape of the part of the seal which is inserted into the groove, provided in the<br />

edge beam. The sea) should be vulcanised b single operation for minimum full length of joint,<br />

c) Rigid Anchorage - This shall be welded to the edge beam at staggered distance.<br />

d) Anchor loops - This shall be made of weld able steel connecting the rigid anchorage with deck<br />

reinforcement 2607.2. Material<br />

a) Edge beam) of this special section are at present being directly imported in India. The steel shall<br />

conform to steel grade Rs t 37-2 of Gentian Standard or equivalent<br />

b) Chloroprene of strip seal shall conform to clause 915.1 of RC:83 (Pan II). The properties of<br />

chloroprene shall conform to Table 2600-1.<br />

c) Anchorage steel shall conform to IS: 2062.<br />

d) Anchor loop shall conform to IS: 2062.

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