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Ways to incresing Abrasion resistence of concrete

 
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Manikandan829
SEFI Member
SEFI Member


Joined: 21 Mar 2012
Posts: 1

PostPosted: Wed Apr 25, 2012 10:23 am    Post subject: Ways to incresing Abrasion resistence of concrete Reply with quote

I designed M50 concrete with PPC & w/c ratio 0.3 with aggregate having abrasion value of 43% by adding 7% micro silica BWOC. In the abrasion resistence point of view on concrete By ASTM C-1138-05 (Under water method) , I got an value of 4.9%..... I need your guidance for following doubts....

  1. In order to increse the abrasion resistence of concrete by using same aggregate what are the alterations have to be made in my mix...?
  2. Designing concrete with w/c of 0.2 is advisable... ?
  3. What are the chemical admixtures suitable for low w/c ratio (<0.2)?
  4. Weather decrease in w/c ratio increse the abrasion resistence of concrete?
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