本文介绍了一种现浇连续箱梁外模系统的设计。
The paper introduce one kind of external formwork system design of cast-in-place continuous box beam.
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。
This paper introduces the concrete pouring of continuous box girder of main structure of the bridge and the tension construction technology.
结合实际箱梁算例,分析预应力混凝土变截面连续箱梁的挠曲性能。
The flexural behavior of the prestressed concrete continuous box girder with variable cross-sections is analyzed through a practical example.
文中分析了连续箱梁裂缝产生的原因和机理,提出了预防裂缝的措施。
This paper analyzes the reason and mechanism about the crack problem of Continuous Box Beam. Some pre - caution measures are put up.
本文对三跨预应力连续箱梁桥的边跨与中跨比例问题进行了初步的探讨。
The paper discussed proportion between side span and middle span in three spans prestressed continuous box beam bridge.
本文所研究的上下行分层矮斜拉连续箱梁桥属于无横隔板的双层新型结构。
In this thesis a new double decked, separating up and down vehicles, non-diaphragm and partially cable-stayed bridge structure is presented.
本设计完整的进行了预应力连续箱梁桥的设计及计算,设计结果真实可靠。
Complete the design of a prestressed box-girder bridge for the design and calculation, the true and reliable design.
介绍了五座城市立交桥或高架桥的钢筋混凝土连续箱梁翼板横向开裂的情况。
The cases of transverse cracking in the flange slabs of reinforced concrete continuous box girders of five urban flyovers or viaducts are introduced.
预应力混凝土连续箱梁与钢混结合梁在公路、铁路工程中的应用越来越普及。
Prestressed concrete continuous box girder and steel-concrete composite girder are more and more adopted in construction of highway and railway.
本文将对高架桥预应力混凝土变截面连续箱梁施工质量控制及技术进行论述。
This text will turn quality control and technology into section continuous case roof beam and construct to enter to the overpass prestressing force concrete Walk and describe.
近年来,混凝土连续箱梁桥在国内为得到了广泛运用,造型美观,安全可靠。
In recent years, concrete continuous box girder bridge has been widely used at home and abroad, which has Attractive appearance, safe and reliable.
结合多年高速公路监理实践,对现浇连续箱梁质量控制关键点进行了详细论述。
Combined with years' expressway supervision practice, the key quality control points for continuous box-beam cast in-site are discussed in detail.
介绍移动模架施工现浇混凝土连续箱梁的施工工艺,以及在施工中应该注意的事项。
This article gives the construction procedure and instructions for on-site casting of continuous concrete box beam with mobile mould.
合龙段施工是预应力混凝土连续箱梁施工的关键环节,关系到全桥的受力和线形状况。
The closure segment's construction is the key part of continuous concrete box girder's construction, and it is related to stress and line form condition of the whole bridge.
以水下浇筑大桥承台和采用挂篮法施工多跨连续箱梁结构是浙江富阳大桥工程的重头戏。
Underwater placement of bridge's platform and cradle construction method for multi-span continuous box-girder structure constitute the construction feature of Fuyang bridge in Zhejiang province.
主要阐述了目前预应力混凝土连续箱梁在多年的运营中,箱梁腹板的主要病害及其加固方法。
Main diseases and reinforcement method of current box girder web plate are discussed, after years of service.
普通钢筋混凝土连续箱梁桥产生开裂和过大的变形等问题的产生原因进行了一定的探讨。
The reasons of cracking and large deformation on common reinforced concrete continuous beam bridge were discussed.
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。
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以其结构刚度好、行车平顺舒适、外形美观、养护简单等优点而备受工程界欢迎。
Prestressed concrete box girder with its structural rigidity for good, smooth driving comfort, appearance handsome, conservation and has the advantages of simple engineering welcome.
本文方法力学概念明确,是其弹性分析适用范围的拓展,可广泛应用于连续箱梁开裂后的剪力滞效应分析。
The method adopted in this paper is definite in mechanical concept, and it is the extension of elastic analysis, it can be widely used in shear lag effect analysis of cracked continuous box girder.
但是立交桥中常用的结构之一连续箱梁经常在施工中或通车不久就出现裂缝,直接影响桥梁的安全性与耐久性。
But the structure commonly used in overpasses, continuous box-girder, often in construction or traffic soon cracked, directly affecting the safety and durability.
基于换算截面法,运用变分原理对开裂混凝土连续箱梁的剪力滞效应进行了分析,并与规范方法和试验结果进行了对比。
Based on transformed section method, shear lag effect of continuous box girder was analyzed adopting variational principle, and compared with design code and experimental result.
通过平顶山市庙洪线西斜立交桥工程实例,介绍了现浇混凝土连续箱梁的具体施工方法,并对施工中的关键工序进行了系统探。
According to the overpass bridge project of Miaohong Line in Pingdingshan, the construction technology of cast-in-situ concrete continuous box beam is introduced.
提出一种薄壁箱梁剪力滞后分析的传递矩阵法,实现了连续箱梁桥位移、应力及内力的一维递推求解,给出了相应的场矩阵和点矩阵。
The field transfer matrix and point matrix are derived, and the inner force, stress and deflection of thin-walled box girder are recursivly calculated.
结合广东磨刀门大桥的工程实例,介绍了优化的三角挂篮的设计构思、总体结构,以及在连续箱梁施工中的施工方法与结构分析计算。
This paper introduced system architecture of the three-stage-computer-con-trolsystem at the port of Wanzhai in Xuzhou, software structure and its design flow.
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。
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.
预应力混凝土连续箱梁的悬臂施工作为大跨径桥梁的主要建设方式日渐成熟,但此类桥梁设计、施工中仍然存在着某些关键问题其处理方式比较含糊。
Now cantilever construction of prestressed concrete continuous box girder as the chief construct methord in engineering has gone intio the rang of mature.
本合同段控制性关键工程是预应力砼连续组合箱梁的施工。
The controlled crucial works for this contract section is the construction for the prestressed concrete continuous combined box beam.
另外,在预应力连续桥梁的使用过程中,发现箱梁开裂的现象相当严重。
Otherwise, in using the continuous girder bridge we can find that the craze of the box-beam is very popular.
新型竖筋构造形式对腹板主应力的影响分析,对连续体系箱梁的竖筋合理布置提供了参考意见。
The influence analysis for new conformation form of vertical prestressed tendon offered referenced opinion for continuous system box girder in reasonable arrangement of vertical.
应用推荐