Civil Engineering events:bridge http://civil.case.edu/ 2009-11-23T07:47:42-05:00 FeedCreator 1.7.2-ppt DokuWiki Bridge Contest Rules 2009-10-09T14:44:49-05:00 2009-10-09T14:44:49-05:00 2009-10-09T14:44:49-05:00 http://civil.case.edu/events/bridge/rules?rev=1255113889 Bridge Contest Rules Materials Balsa wood and carpenter’s glue are the only two materials which may be used to build the model. No other materials or coatings are permitted. Bridge System * The model must be able to span between two supports placed 24” apart. The supports provide only (upward) vertical forces.