螤蟻蠈蟽尾伪蟽畏 蟽蟿伪 畏位蔚魏蟿蟻慰谓喂魏维 蟺蔚蟻喂慰未喂魏维 蟿畏蟼 American Society of Civil Engineers (ASCE)
螚 螔喂尾位喂慰胃萎魏畏 蟿慰蠀 螘胃谓喂魏慰蠉 螠蔚蟿蟽蠈尾喂慰蠀 螤慰位蠀蟿蔚蠂谓蔚委慰蠀 蟺伪蟻苇蠂蔚喂 蟽蟿伪 渭苇位畏 蟿慰蠀, 蟺蟻蠈蟽尾伪蟽畏 蟽蟿畏谓 畏位蔚魏蟿蟻慰谓喂魏萎 苇魏未慰蟽畏 蟿蠅谓 蟿畏蟼 American Society of Civil Engineers. 螚 未伪蟺维谓畏 魏伪位蠉蠁胃畏魏蔚 伪蟺蠈 蟿慰谓 蟿伪魏蟿喂魏蠈 蟺蟻慰蠇蟺慰位慰纬喂蟽渭蠈 蟿慰蠀 喂未蟻蠉渭伪蟿慰蟼 魏伪喂 蔚纬魏蟻委胃畏魏蔚 伪蟺蠈 蟿畏谓 危蠀纬魏位畏蟿喂魏萎 螘蟺喂蟿蟻慰蟺萎 螔喂尾位喂慰胃萎魏畏蟼.
螕喂伪 蟿畏谓 蟺蟻蠈蟽尾伪蟽畏 蔚蟺喂蟽魏蔚蠁胃蔚委蟿蔚 蟿畏谓 喂蟽蟿慰蟽蔚位委未伪 蟿畏蟼 蟿畏蟼 American Society of Civil Engineers. 危畏渭蔚喂蠋谓蔚蟿伪喂 蠈蟿喂 伪蟺伪喂蟿蔚委蟿伪喂 伪谓伪纬谓蠋蟻喂蟽畏 未喂蔚蠉胃蠀谓蟽畏蟼 IP 蟿慰蠀 螘胃谓喂魏慰蠉 螠蔚蟿蟽蠈尾喂慰蠀 螤慰位蠀蟿蔚蠂谓蔚委慰蠀.