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- Path: sparky!uunet!ogicse!hp-cv!hp-pcd!hpcvaac!billn
- From: billn@hpcvaac.cv.hp.com (bill nelson)
- Newsgroups: misc.consumers
- Subject: Re: Cheap, Sturdy Bookcases?
- Message-ID: <1992Jul29.063630.18915@hpcvaac.cv.hp.com>
- Date: 29 Jul 92 06:36:30 GMT
- Article-I.D.: hpcvaac.1992Jul29.063630.18915
- References: <1992Jul24.143045.23183@crd.ge.com>
- Distribution: na
- Organization: Hewlett-Packard Company, Corvallis, Oregon USA
- Lines: 29
-
- meltsner@crd.ge.com (Kenneth J Meltsner) writes:
- :
- :
- : In article <1992Jul24.061943.6388@ncsa.uiuc.edu>, acheng@ncsa.uiuc.edu
- : (Albert Cheng) writes:
- :
- : Remember: books are really heavy. Particle board and most woods creep
- : (deform slowly under load). Processed wood (particle, wafer,
- : hardboard, plywood) definitely creep the most. Fully loaded Doxey
-
- Plywood will creep less than regular lumber. To minimize sag - put
- a reinforcement strip at the front and back of the shelf - unless the
- back of the shelf is nailed to the bookcase back.
-
- : shelves will develop a noticable bend in a few years -- ours did.
- : Don't space supports more than every 36" for paperbacks or 30"
- : (depending on book size) for hardcovers. Atlases, dictionaries, etc.
- : may require 24" spacing. When mixing processed wood and natural wood,
- : remember that natural woods expand non-isotropically as humidity
- : increases (ie the boards lengthen significantly with the grain). For
- : serious book types, bookshelf designs requires real engineering.
-
- Some pressboards and particle boards should not be spaced more that 24"
- for hardcover books.
-
- Plywood is best for dimensional stability. You can use trim veneer to cover
- the raw edges.
-
- Bill
-