home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!olivea!spool.mu.edu!agate!boulder!tigger!bear
- From: bear@tigger.cs.Colorado.EDU (Bear Giles)
- Newsgroups: alt.pagan
- Subject: Re: Social inhibitions to environmental change - Porcelain +
- Message-ID: <1992Dec22.015031.25109@colorado.edu>
- Date: 22 Dec 92 01:50:31 GMT
- References: <1329@abb-sc.abb-sc.COM>
- Sender: news@colorado.edu (The Daily Planet)
- Organization: National Oceanic & Atmospheric Adminstration / Boulder Labs
- Lines: 26
- Nntp-Posting-Host: tigger.cs.colorado.edu
-
- In article <1329@abb-sc.abb-sc.COM> ksm@abb-sc.abb-sc.com (Ashley) writes:
- >
- >In article <FaVwVB1w165w@circle.raleigh.nc.us>, lance@Circle.Raleigh.NC.US (Lance A. Brown) writes...
- >>Yikes, the best thing you could do with old portland cement is break it up
- >>and use it for rip-rap on a shoreline or as "gravel" in new cement.
- >>
- > And yet there is a gravel quarrey in the hills near my home. It amazes
- >me that we continue to dig up and grind rock to make gravel when there are all
- >sorts of materials that we just dump that could be used for this end purpose.
- >Cement and porcelain could be used as base in asphalt, maybe as a building
- >material in a new form of "aggregated concrete" on overpass abutments and other
- >such.
-
- This sounds like a good idea, but...
-
- would you want to be the person sued by "victims of your incompetence"
- when that overpass fell down and killed somebody?
-
- The fact that the bridge fell down for reasons totally unrelated to the
- use of recycled aggregate may not get you off the hook -- you could find
- your professional life ruined if you take _perceived_ shortcuts and someone
- gets hurt. Many if not most professionals won't take that chance.
-
- --
- Bear Giles
- bear@fsl.noaa.gov/cs.colorado.edu
-