Those standards are for concrete. Papercrete is not concrete.
rmorger03 wrote:
Industry standard is a seven day preliminary break and a twenty eight day break. Some jobs do additional breaks at 54 days or 90 days depending on original mix design. I would have expected higher compressive strengths also. --- In papercreters@yahoogroups.com, Jim Elbrecht <elbrecht@...> wrote:Both good reading. PC is *way* softer than I expected. Softer than most woods used in construction. 260psi is softer than basswood. [and concrete used in footings is abt 5000psi, if I recall correctly] They don't say on that page how long they cured the samples. [or am I missing that?] 1 week, 1 month, and 1 year samples would be interesting. Jim------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/papercreters/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/papercreters/join (Yahoo! ID required) <*> To change settings via email: mailto:papercreters-digest@yahoogroups.com mailto:papercreters-fullfeatured@yahoogroups.com <*> To unsubscribe from this group, send an email to: papercreters-unsubscribe@yahoogroups.com <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
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