All this talk about erections and vibrators certainly made me sit up and
Seriously though, the comment about the vibrators is correct. I was told
the same thing when I poured my base ( 30" cassion 17ft deep.) last
spring. Use the vibrator too much and the gravel begins to sink to the
bottom. That makes the concrete weaker. Also I found the pumper
method very quick and effective. We pumped ten tons of concrete 110ft
down the driveway from the street to the hole in ten minutes.
At 10:30 AM 11/08/1999 -0700, Gary McDuffie, Sr. wrote:
>I'd like to hear comment on something the concrete people told me when I
>put in my base. I think it might be important for those who haven't
>done it before.
>I was told that the use of the vibrator is a good idea, but that
>over-using it can cause problems with the concrete. If you vibrate it
>beyond what it takes to get it to fill in the gaps, it begins to
>separate the components of the concrete. I noticed some of that when I
>was playing with it in my pour. Keep use of the vibrator to just what
>it takes. Don't over-do it.
>What my dad wouldn't have given for a concrete vibrator in his day! If
>you haven't seen one work, they truly are magic!
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