This paper presents an efficient simple method to design cross sections of several kinds of hydraulic reinforced concrete structures, i. e. , reinforcement distribution by the successive substitution.

本文对几种水工钢筋混凝土构件的截面设计提出一种简便实用的方法——迭代配筋法。

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"Royal Mail has experienced the negative impact of e-substitution, which is driving the structural decline in the traditional letters market, " Moya Greene said.

BBC: Royal Mail profits rise as parcels business grows