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Why do we maintain diff temperature for premixed bituminous carpeting work (bitumin140-155C, stonechips 150-170C, mixing 140-160C, laying 90-100C)?

<p>80/100 penetration grade heated straight run bitumin is used here and surface iscompacted by3-5ton steel drum roller</p>

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Question added by Nayeema Nazneen Naz , Project Director Infrastructure , Local Government Engineering Department
Date Posted: 2015/01/09
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Fikri Demirel
by Fikri Demirel , managing director , Tuna Construction Equipment

Chemical properties of the mixture during preparation, and physical properties during laying and compaction are optimised in these temperature ranges. 

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