Ambient vibration test is the main method of detecting a large bridge structure, Modal parameters is important to determine the health status of the bridge.
环境振动试验是检测大型桥梁结构的主要方法，检测得到的模态参数是判定桥梁健康状况的重要依据。
But, presently the research on damage detection and diagnosis of structure focus on bridge and tier building, and the research on large space structures are few.
但是，目前结构的损伤检测与诊断研究多集中在桥梁、高层等结构上，针对大跨度空间结构损伤检测与诊断的研究很少。
The rationality and reliability of main hoist reducer adopted with double spiders structure for large bridge crane are introduced.
介绍了设计大吨位双钩桥式起重机主起升减速器采用双行星轮结构的合理性和可靠性。
The south anchorage of Xihoumen Bridge is a gravity type rock-embedded structure cast with large cubic amount of concrete and is typically a very massive concrete block.
西堠门大桥南锚碇为重力式嵌岩结构，混凝土方量大，为典型的超大体积混凝土块体。
With the finite element software, the influence on the structure is calculated of metro excavation under large span obliquely intersected framed underpass bridge constructed with jacking method.
借助大型有限元分析软件，对大跨度斜交顶进框架式地道桥底板下开挖地铁对地道桥结构的影响进行较深入的探讨。
Extra large body of bridge bears the whole main bearing foundation of structure of bridge, service life and security of the whole bridge of back cover quality relation of the foundation pit.
特大型桥梁的锚体或承台都是全桥的主要承重结构的基础，基坑的封底质量关系全桥的使用寿命和安全。
Large span continuous structure bridge has been a classical style in morden bridge, which guyed travelers grouting construction has being mostly applied in those bridge.
大跨度连续结构桥梁已经成为现代桥梁结构中的一个经典类型，其中挂篮悬臂灌注施工是大跨度连续结构桥梁施工的主要手段。
The structural analysis of inclined boom suspension bridge includes following two geometric nonlinear problems, the changing working structure form and the large flect.
倾斜吊杆悬索桥的结构分析包含“变作用形式”和大位移两个几何非线性问题。
An introduction is given to strengthening of defect beam of a super large bridge. Carbon fibre textile was applied to the bottom face of beam with WN glue to cure the cracks of structure.
结合焦柳线金华寺特大桥在运营过程中出现的结构开裂病害整治实例，介绍采用WN胶在梁体底部粘贴碳纤维布加固修复新工艺。
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。
The average risk of structure in construction period is far higher than one in use period. To make the risk analysis study is very necessary in the construction of large-span cable-stayed bridge.
结构在施工期的平均风险远远高于使用期，开展大跨度斜拉桥施工期间的风险分析研究是十分必要的。
In this paper, static load experiments are illustrated and the reliability of CFRP reinforcement technology, used for reinforcing beam slab structure of large span bridge, is discussed.
文章结合对大跨度桥梁的梁板结构加固处理前后的静载试验，探讨了大跨度梁板结构应用粘贴碳纤维加固处理技术的可靠性。
On the basis of structure reliability principles, this essay studies the reliability of prestressed-concrete rigid-frame bridge with high-pier and large-span during construction period.
本文依据结构可靠度理论，对高墩大跨预应力混凝土刚构桥的施工期桥墩可靠度进行研究。
On the basis of structure reliability principles, this essay studies the reliability of prestressed-concrete rigid-frame bridge with high-pier and large-span during construction period.
本文依据结构可靠度理论，对高墩大跨预应力混凝土刚构桥的施工期桥墩可靠度进行研究。
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