[TowerTalk] The tower base is poured BUT...
Red
RedHaines at centurytel.net
Sun Oct 5 16:26:44 EDT 2003
Hi, all;
David Robbins mentioned free-fall. To add detail, free-fall and
excessive vibrating or stirring causes the aggregate to separate. The
large pieces go to the bottom, the fines, including the cement, separate
and rise to the top. The result is not a homogeneous mixture of
aggregate and cement and its strength is not uniform.
Confer with a knowledgeable professional regarding the limits.
73 de WOØW
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