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。
Harbin sifangtai bridge is a cable-stayed bridge whose girder is composed by steel i-beam above and concrete deck slab below.
作为叠合梁斜拉桥,四方台大桥的主梁由下部的工字钢和上部的混凝土行车道板组合而成。
This paper introduces the concrete pouring of continuous box girder of main structure of the bridge and the tension construction technology.
重点介绍了该桥的主桥上连续箱梁混凝土浇筑以及张拉施工技术。
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。
On the basis of fuzzy failure criterion, model of reliability of concrete box-girder bridge is set up, and the reliability of existing bridge is calculated.
基于模糊失效准则建立了混凝土箱梁桥的可靠度计算模型,并计算了一座实桥基于模糊失效准则的可靠度。
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。
The long-term deflection of Long Span Prestressed Concrete Box-girder Bridge(LSPCBB) is getting more and more serious in terms of structure safety.
最后,对桥梁设计计算、桥梁混凝土施工及箱梁下挠的防治技术进行论述,并对开展控制结构长期下挠的研究提出了建议。
It was an emphasis and difficulty for a self - anchored suspension bridge to control the cable shape, internal force and cracking of concrete stiffening girder.
混凝土加劲梁的线形、内力和梁体裂缝控制是自锚式悬索桥施工控制的重点和难点。
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。
To prefabricate box-girder is important in concrete cable-stayed bridge construction, it affects directly the main bridge construction of assembly progress and packing accuracy.
箱梁的预制是钢筋混凝土斜拉桥施工中的重要环节,它直接影响到主桥施工的吊装进度和拼装精度。
Aiming at the main damage and its causes of a large-span continuous rigid framework bridge, the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.
针对某大跨度连续刚构桥出现的主要病害及其原因,介绍了采取增设预应力混凝土箱梁体外索的加固措施。
Erqi Yangtze River bridge is composite girder cable-stayed bridge with three towers with the longest span in the world, which is connected with steel girder and concrete slab.
在建的武汉二七长江大桥是主梁采用钢结构,桥面板为混凝土结构,主梁与桥面板用剪力件连接的世界上最大跨度的三塔结合梁斜拉桥。
However, box girder cracking and long-term midspan deflection are the defects which commonly exist in the long-span prestressed concrete box girder bridge.
但箱梁开裂与跨中下挠是目前大跨预应力混凝土箱梁桥中普遍存在的病害。
A 15 storey reinforced concrete shear core building and a steel girder arch bridge have been chosen as case verification.
实例分析包括一15层高的钢筋混凝土建筑和一座钢拱桥。
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。
The prestress concrete continuous girder bridge is one of the most widely used in bridge engineering because of its excellent structural system.
预应力混凝土连续梁桥因其优越的结构体系成为当今一种广泛采用的桥梁形式。
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。
In addition, traditional concrete box girder webs inclined crack problem has been more and more prominent, direct threat to the continuous rigid frame bridge normal use.
此外,传统混凝土箱梁的腹板斜裂缝问题也己经越来越突出了,直接威胁着连续刚构桥的正常使用。
In this paper, the design of the long span asymmetric prestressed concrete curved continuous girder bridge, and static and dynamic load tests for the completed bridge are described.
介绍大跨度不对称曲线预应力混凝土连续梁桥的设计和成桥后的静、动载试验。
On the prestressed concrete(PC) wide Box girder and the steel and concrete joint section of the bridge, the C55 high performance concrete is used.
鄂东长江大桥为混合梁斜拉桥,PC宽箱梁及钢-混凝土结合段采用C55高性能混凝土。
The nonlinear finite element analysis theory and method for the suspension bridge with concrete stiff girder was studied in the chapter 4 and 5.
第4、5章研究含混凝土加劲梁的悬索桥非线性精细计算理论、计算方法。
The influences of dead weight of structure, temporary load, structural stiffness, creep and shrinkage in concrete effect on finished dead state of hybrid girder cable-stayed bridge were analysed.
以广州东沙大桥独塔边跨带辅助墩的混合梁双索面斜拉桥为例,采用对比分析的方法,定量分析结构自重、临时荷载、结构刚度、混凝土收缩徐变这些因素对混合梁斜拉桥成桥状态的影响。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁,纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
In this paper, prestressed concrete continuous girder bridge is studied by using finite element analysis tool with support project.
本文以预应力混凝土连续梁桥为研究对象,采用有限元分析手段结合依托工程进行研究。
By test, we will know more about prestressed concrete semi-rigid frame continuous box girder bridge.
通过试验,使我们对于预应力混凝土半刚构-连续梁桥有了进一步的认识。
By test, we will know more about prestressed concrete semi-rigid frame continuous box girder bridge.
通过试验,使我们对于预应力混凝土半刚构-连续梁桥有了进一步的认识。
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