双肋 meaning in English

double rib

Because width of rib is larger than before , we can change single - rib beam to double - rib beam . stability in transportation and aethetic effectiveness is improved . in this article we make the example of 20m - span simple - supported reinforced concrete beam - bridge
肋宽增大后可以从截面形式上作适当的改变，改单肋为双肋，这样既达到美观的效果又增强了梁在运输施工过程中的稳定性。