Dear Rachid, you can use ...

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Dear Rachid,

you can use the application Bioroc developed by my company, either on Apple store or Goggle Play:

https://itunes.apple.com/us/app/bioroc/id902463995?mt=8 

https://play.google.com/store/apps/details?id=com.sotra.calculdimensionnement&hl=en

It computes and compares the hammering for 3 materials: PVC-U, PVC-O and HDPE.

 

Best regards,

Hervé