braced arch 中文意思是什麼
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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
由於微彎板具有製作簡單、用鋼量省、承載潛力較大的優點，因而上世紀七、八十年代，在剛架拱橋、桁架拱橋中常用作橋面板。 -
Braced steel arch
加固的鋼拱架
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