The cable is the important component of suspension bridge. Determination of initial states of cable of large span suspension bridge is the key part of the upper structure construction.
主缆是悬索桥的重要受力构件，精确计算其空缆线形是悬索桥上部结构施工成败的关键。
With the common application of prestress in bridge construction, the strain-pull controlling has become an important working procedure during the upper structure construction of bridge.
随着预应力在桥梁施工中的普遍应用，预应力张拉控制已成为桥梁上部结构施工中的一道重要工序。
RC-masonry combination arch bridge makes rc arch ribs as former spanning structure and falsework of upper masonry's construction. Finally, reinforced concrete and masonry together form arch ring.
它提出了以RC拱肋作为先期的跨越结构和后期高强石砌体砌筑的施工支架，最终由石砌体和RC拱肋共同形成主拱圈的构思。
In this article, deformation control of upper bearing-load structure with upward construction order and formwork deformation control of lower bearing-load structure was discussed.
本文针对这样的结构，对上承力结构顺向施工的变形调控技术以及下承力结构为降低施工成本而运用的支模变形调控技术进行进行了研究。
The chimney piles are strengthened by adopting effective quality measures, which can ensure the continue construction of upper structure.
通过采取有效的质量保障措施，使烟囱桩基得到加固，从而保证上部结构的继续施工。
Therefore, formulas of settlement and internal force of upper structure is deduced, realizing method considering soil structure interaction and construction process is put forward.
针对上述问题，笔者推导了施工过程中地基变形和结构内力的计算公式，提出了考虑土结相互作用并模拟施工过程的实现方法。
Engineers firstly construct basement under main building, then basement with no upper structure as construction field.
在流水段中让有主楼结构的地下室先施工，上部无结构的地下室后施工，作为施工场地。
Engineers firstly construct basement under main building, then basement with no upper structure as construction field.
在流水段中让有主楼结构的地下室先施工，上部无结构的地下室后施工，作为施工场地。
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