• kannancivil757

Bond Breaker and its application procedure




Definition

The bond breaker is a fluid substance RS-1 (Rapid Setting Bituminous) which creates an elastic 'bridge' that can stretch as pavement flex and move. They are also used over movement joints.



APPLICATION PROCEDURE


1. Rapid setting bituminous emulsion (RS -1) prime coat mostly consider the material for applying on the pavement

2.RS-1 should apply a minimum of 1 liter per square meter

3.RS-1 should apply a minimum of 10 hours before laying top course

4. As soon as RS-1 prime coat starts settling, a layer of crushed sand 8 to 12 kg/m2 shall be spread and rolled over with pneumatic tire roller till no further bleeding of emulsion occur

5. The bond breaker layer shall be made moist by a light sprinkling of water before the pavement course.




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