Re: [CAD_CAM_EDM_DRO] Re: Ball screw cost and sources - Moglice - Phillycast ...

In a message dated 5/27/2003 4:48:09 PM Central Standard Time,
Dcdziner@... writes:

> 600 ft. long X 52" wide, poured with 8000 psi concrete.

Can you enlighten us: What is "six-sack concrete", and how FEW sacks per
cubic yard are useable for "cheap stuff"? What is the MAX. sack-count per yard?
How many in 8K PSI like you mention?

Jan Rowland


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