slab box beam 中文意思是什麼
slab box beam
解釋
板箱梁-
There are many cross - section forms such as t cross - section, i cross - section, slab cross - section, box cross - section etc. for common span of bridges. slab and box cross - section beam ' s resistance to torsion is stronger than t and i cross - section beam ' s. but deadweight of slab and box cross - section beam is bigger than it of t and i cross - section beam
現有常用跨徑橋梁的截面形式多為以下幾種: t形梁、 i形梁、板式截面和箱形截面等,板式截面和箱形截面與t形梁和i形梁這些開口截面相比其抗扭能力更強;但板式截面的自重要比t形梁的自重大得多。
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