Also, the author has assumed the worst case scenario. A perpendicular strike against a flat plate places the concrete in almost pure shear reaction mode, it's weakest reaction mode.
Spherical shape allows the concrete to transmit some of the force in compressive stress - concrete is absolutely great in compression. Perhaps a cylindrical shape? Allows for the realities - access to interior, formability, and survivability. Build giant pipes with only a Quonset hut shaped portion exposed above ground....... ------------------------ Yahoo! Groups Sponsor ---------------------~--> FREE COLLEGE MONEY CLICK HERE to search 600,000 scholarships! http://us.click.yahoo.com/47cccB/4m7CAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
