整个结构划分为若干组合单元，每个组合单元包括拱、桁梁及竖杆横撑架三部分。
The structure is resolved into several compound elements and every compound element consist of three parts: arch, trussed beam and lateral brace.
其最大特点是将空中焊接横联作业转化为地面作业，能确保施工安全和拱肋拼装质量。
Its most outstanding characteristic is to transform transverse bracing welding from air to ground, thus securing construction and ensuring assembly quality.
通过对系杆拱桥作用在拱肋上的荷载性质进行了分析，采用能量法推导出无横撑下承式系杆拱桥侧倾稳定临界荷载的一般公式。
Using energy method, the general formula for calculation of lateral stability of through bowstring tied arch bridge without transverse beams given.
在此基础上，还对该拱桥的横撑布置、荷载工况、吊杆和拱肋刚度等影响因素展开讨论与研究。
On the basis, the influence of different factors such as the arrangement of the wind bracings, loading situations, suspender, the rigidity of the arch ribs is discussed.
通过对系杆拱桥作用在拱肋上的荷载性质进行了分析，采用能量法推导出无横撑下承式系杆拱桥侧倾稳定临界荷载的一般公式。
With the background of lateral stability of non-range-spacer through bowstring arch, analytical approximations are derived in this paper using energy variational approach.
通过对系杆拱桥作用在拱肋上的荷载性质进行了分析，采用能量法推导出无横撑下承式系杆拱桥侧倾稳定临界荷载的一般公式。
With the background of lateral stability of non-range-spacer through bowstring arch, analytical approximations are derived in this paper using energy variational approach.
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