flat arch meaning in English
平拱
平式炉顶
Examples
- Design of a portal type rigid - frame bridge with flat arched shallow girder
一座微拱薄梁门形刚构桥设计 - Insulators and fittings for overhead lines . metal fittings . semi - horizontal flat arch configuration
架空线路用绝缘子和配件.金属配件.半水平 - To investigate the function of concrete slabs and the effect of concrete construction on narrow composite space truss flat arch bridges , and to compare the results of linear analysis with the results of nonlinear analysis , finite element analysis of a typical engineering is undertaken
摘要为研究混凝土面板的作用以及混凝土施工对窄扁拱形组合网架桥的影响，比较线性与非线性分析结果之间的差别，对一典型工程进行有限元分析。 - Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation , which would inevitably induce some excessively large load on the base of arch , therefore , larger load - bearing capability in the is " foundation is a must . on the other hand , smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel
特大跨超浅埋隧道拱部结构过于扁平，开挖后发生二次应力分布，拱脚处的应力过大，要求有较大的地基承载力，拱脚开挖时必须采用光面爆破，保证围岩的完整性和不受扰动，开挖后及时封闭，防止该处积水软化围岩。