BridgeBarriers桥梁护栏24p精选.ppt

1、Bridge-Barriers桥梁护栏-24页精选文档Duke Ellington before barriersThe Duke Ellington-barriers*one suicide during construction.Fences completed 1/86Pre-barrier vs.Post-barrier Mean Annual Suicides:Ellington vs.Taft Bridges BridgePre:79-86*Post:87-90 Ellington3.670.00 Taft1.692.00Pre-barrier vs.post-barrierMea

2、n N Suicides,Washington,DC 1979-1985Annual Mean=76.4 1986-1990Annual Mean=71.6 pn.psychiatryonline.org/content/41/13/9.1.fullNew construction in Switzerland“safety barriers on the side,with a height of 2m50cm-which in our studies of suicide hotspots has been found to be necessary to prevent people f

3、rom crossing it.The barriers are slightly tilt towards the centre so that climbing it is practically impossible.“Prof.Dr.med.Konrad Michel,Universittsklinik und Poliklinik fr Psychiatrie,Murtenstrasse 21,CH-3010 Bern,Switzerland e-mail:konrad.michelspk.unibe.chSame new construction in SwitzerlandAugusta BridgesAugustaAugusta