braced arch中文什么意思

桁拱

桁架形拱

• brace:    n. 1.支柱，支持物，撑柱；【机械 ...
• arch:    adj. 诡诈的；淘气的。 an a ...
• arch braced roof:    拱支架屋顶; 拱支屋面; 拱支桁架

例句与用法

1. Because it is simple to make manufacture slab with slightly curved bottom , and is economical to use steel , and is relatively great in aspect of load bearing potential capacity , the slab often has been used as braced arch and rigid - frame arch bridges " deck slab in 1970s and 1980s
   由于微弯板具有制作简单、用钢量省、承载潜力较大的优点，因而上世纪七、八十年代，在刚架拱桥、桁架拱桥中常用作桥面板。