吊杆是中、下承式拱桥一种必备的构件。
Suspender is one of half-through and through bridge the necessary member.
目前，中(下)承式拱桥吊杆越来越多的采用预应力钢绞线和预应力群锚锚固体系。
Today the more and more lifting equipment in middle or lower arch bridge are using pre-forced steel wring line and pre-forced anchor system.
以某下承式刚性吊杆系杆拱桥为实例，利用空间有限元程序对其空间稳定性进行分析。
Taking a through bridge with rigid suspender and tie-arch for example, the space stability is analyzed by means of finite element program.
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