Reasons caused the cracks of prestressed concrete bridge are analyzed.
分析了预应力混凝土桥梁裂缝的成因；
This paper presents a finite element method of analyzing the secondary forces of prestressed concrete bridge.
本文提出了预应力混凝土桥梁结构弹性工作阶段的有限元分析方法。
The prestressed concrete bridge in long-term operation service period, may appear the phenomenon of cracking and deflection.
预应力混凝土桥梁在长期运营服役期内，会出现开裂和下挠现象。
Xiamen Yinhu bridge is a partially cable-stayed prestressed concrete bridge, whose pier, tower and beam are consolidated together.
厦门同安银湖大桥是国内第一座使用环氧全涂平行钢绞线斜拉索的预应力混凝土部分斜拉桥，墩塔梁固结体系。
This method can effectively simulate the spatial effect of prestressing force, and can ensure success in the design of prestressed concrete bridge.
该预应力空间效应分析方法客观模拟了预应力的空间效应，为进一步完善预应力桥梁的设计提供了依据。
The current applied fields of external prestressing mainly includes externally prestressed concrete bridge, structure rehabilitation and prestressed steel structure, etc.
体外预应力技术的应用领域现阶段主要包括体外预应力混凝土桥梁、结构的体外预应力加固和预应力钢结构。
The system transition in the construction of long span prestressed concrete bridge is very complex, and the control of the lateral stiffness is one of the key techniques.
大跨度预应力砼连续梁桥施工过程中体系转换复杂，横向刚度控制是施工的关键之一。
Based on the extensive application of prestressed concrete technique in highway bridge during half a century in China.
我国近半个世纪以来。预应力混凝土技术在公路桥梁建设中已广泛应用。
Compared with normal prestressed concrete, unbonded partially prestressed concrete has a lot of advantages, it is used extensively in highway and railway bridge engineering.
无粘结部分预应力混凝土同普通预应力混凝土相比具有很多有优点，在公路和铁路桥梁工程中得到广泛应用。
Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.
预应力混凝土连续箱梁桥的开裂可以说是“多发病”，影响着构件的外观、使用寿命，甚至结构安全。
It is one of the defects that cracks occur in the bottom slab of an extra-long prestressed concrete continuous rigid frame bridge. There are many influence factors.
大跨度预应力混凝土连续刚构桥底板出现开裂是该类桥梁出现的问题之一，其影响因素较多。
The paper discusses the application of beret truss bearers in prestressed concrete process tie bar arch bridge construction after mechanical calculation.
通过力学验算，初步探讨组合式贝雷桁架片托架在预应力砼系杆拱桥梁施工中的应用。
A health monitoring system for long span prestressed concrete box-girder Bridges was designed to solve bridge safety problems related to structural cracks and excessive deflection.
为了解决大跨度预应力混凝土箱梁桥出现的严重的安全问题(如结构性开裂和不正常的过度下挠等)，设计和构建了该类箱梁桥的结构健康监测系统。
The main bridge of Fumin bridge in Shenyang is a prestressed concrete cable-stayed bridge with double kinked column pylons and single cable plane.
沈阳市富民桥主桥为折线形双塔独柱式单索面预应力混凝土斜拉桥。
Through two great model tests, this paper investigates the ultimate bearing capacity and its influence factor of the inside and outside face of prestressed concrete tied arch bridge with single arch.
通过两个大比例模型试验，研究了单拱面预应力混凝土系杆拱桥面内、面外稳定极限承载力及其影响因素。
The structural properties of concrete bridge externally prestressed with CFCC, and the analysis methods of deflection, ductility, bending and shear design of the bridge are discussed.
探讨了碳绞线体外预应力混凝土桥梁的结构特点和构造措施，以及该类桥梁中挠度、延性及抗弯、抗剪的计算分析方法。
This paper introduces the constructing method of rear - spreading prestressed concrete in Bridge 2119.
本文主要介绍了专桥2119后张法预应力混凝土桥梁的施工方法。
When using reinforced-stress gauge to measure structural stresses in prestressed concrete girder bridge, there exist errors between measured values and the theoretical ones because of various factors.
采用钢弦式应力计测量预应力混凝土桥梁结构应力时，由于种种原因，将导致测试结果与理论计算结果不符。
The approach Bridges of Binzhou Huanghe River bridge are of prestressed concrete continuous girder structures used with C50 high performance concrete.
滨州黄河大桥引桥是预应力混凝土连续梁桥，采用C50高性能混凝土。
The development of transport system facilitates the adoption of prestressed reinforcement concrete bridge piers.
我国交通系统的完善促进了预应力混凝土桥墩在桥梁建设中的应用。
The prestressed concrete beam bridge with corrugated web has greatly improved the traditional prestressed concrete beam bridge.
波纹钢腹板预应力混凝土梁桥是对传统的预应力混凝土梁桥的一次重大改进。
Compared with prestressed rebar concrete beam, its stiffness is more little. Especially in the-big-span bridge, its deflection is a important control factor which influence its application.
与预应力钢筋混凝土梁相比，其刚度较小，特别是在大跨径桥梁中，其挠度变形是影响其应用的重要控制因素。
With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.
预应力混凝土箱梁以其优良的截面性质在梁桥中占据了主要地位。
By a actual engineering example in Leikou bridge, the design of prestressed concrete T-frame bridge hanging a beam.
通过磊口大桥工程实例，对带挂梁的预应力混凝土T型刚构桥的设计进行总结。
The hanging baskets are the main equipments in the cantilever casting construction of large-scale prestressed concrete continuous rigid bridge and continuous girder bridge.
挂篮是目前大跨径预应力混凝土连续刚构桥和连续梁桥在悬臂浇注施工时主要采用的施工设备。
The unsymmetrical construction loads is dangerous to the stability of long-span prestressed concrete rigid-frame bridge during cantilever construction phase.
非对称形式的施工荷载对悬臂施工阶段大跨径预应力混凝土刚构桥的稳定性更为不利。
The unsymmetrical construction loads is dangerous to the stability of long-span prestressed concrete rigid-frame bridge during cantilever construction phase.
非对称形式的施工荷载对悬臂施工阶段大跨径预应力混凝土刚构桥的稳定性更为不利。
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