On site conc mix req

[bobbi o]

We need to cut in and lay 2 off, level 500mm wide, concrete strips into an existing sloped concrete floor of which a new automatic car wash will travel back and forth on.

Due to access probs,i intend to mix on site. can someone kindly recommend a mix, which well be of the required strength. cheers.

[msh paving]

on the main site there is a concrete mix table,with weights ,quantity, etc etc, MSH

[bobbi o]

cheers.grano 6/1/2 should do the job.

[lutonlagerlout]

if you are doing it in a belle then the strongest mix we have used is 25kg of OPC to 12 shovels of ballast
this is near enough 3:1
we have used this on ground beams with no comebacks
LLL