ICS93.080CCSR00/09团体标准!"#$%&'(&%&)公路泥石流防治工程设计规范DesigncodeofengineeringtocontroldebrisflowdisasteralongHighway &%&&(*(&%+,&%&&(*(&%-./00123456+,+,+, 全国团体标准信息平台 !"#$%&'(&%&) I78前⾔.................................................................................................................................................III公路泥⽯流防治⼯程设计规范...............................................................................................................11总则................................................................................................................................................12.1术语......................................................................................................................................22.2符号......................................................................................................................................23基本规定............................................................................................................................................53.1公路泥⽯流防治⼯程设计原则..................................................................................................53.2公路泥⽯流防治⼯程等级.........................................................................................................63.3公路泥⽯流防治⼯程设计⼀般要求..........................................................................................63.4公路泥⽯流防治⽅案设计.........................................................................................................74泥⽯流拦挡结构设计..........................................................................................................................84.1重⼒式拦渣坝...........................................................................................................................84.2护坎防冲刷型拦渣坝................................................................................................................94.3格栅坝.....................................................................................................................................105泥⽯流导流结构设计........................................................................................................................125.1丁坝.....................................................................................................................................125.2丁坝群.....................................................................................................................................136.1渡槽.....................................................................................................................................156.2排导槽.....................................................................................................................................176.3⽔⽯分离排导结构..................................................................................................................227.1挡⼟墙.....................................................................................................................................257.2泥⽯流防撞墩..........................................................................................................................267.3固床结构.................................................................................................................................26Bb—河底宽;L—肋板间距.....................................................................................................................278泥⽯流断道应急通⾏结构设计..........................................................................................................278.1淤埋路段战备浮桥..................................................................................................................278.2路基冲蚀段⾃承载结构...........................................................................................................299泥⽯流防治结构耐磨蚀设计.............................................................................................................319.1耐磨蚀构造措施..............................................................................................................