1.2　城市桥梁工程

1.2.1　基本术语

桥位　bridge site，bridge location　又称“桥址”

跨度　span，span-length　又称“跨径”

桥面标高　elevation of bridge deck

基础埋置深度　embedded depth of foundation

主桥　main bridge

引桥　approach bridge

桥梁建筑高度　construction height of bridge

中央分隔带　central separator，central mall

护轮带　guard belt

桥面纵坡　deck profile grade

预拱度　pre-camber

桥面横坡　transverse slope of bridge deck

主孔　main span　又称“主跨”

中孔　mid span，center span　又称“中跨”

边孔　side span　又称“边跨”

桥面净空　horizontal and vertical clearance above bridge deck　又称“桥面界限”