Stability Analysis during Concrete Pumping for a CFST Arch Bridge Rib

2012 ◽  
Vol 446-449 ◽  
pp. 1199-1202
Author(s):  
Yan Jiang Chen ◽  
Xiao Qiang Ren ◽  
Jin Jie Wang ◽  
Da Peng Gu
Keyword(s):  
Stability Analysis ◽  
Modeling Method ◽  
Construction Control ◽  
Construction Process ◽  
Fem Model ◽  
Arch Bridge ◽  
Long Span ◽  
Cfst Arch Bridge ◽  
Concrete Pumping ◽  
The Stability

Abstract. This paper lists the problems during the stability analysis of long span CFST arch bridge and the corresponding modeling method. Based on the construction control of an orthotropic long span CFST arch bridge, a FEM model had been established to analysis the stability of its rib during the concrete pumping. The conclusion shows significant importance to the bridge’s construction process.

Stability Analysis during Concrete Pumping for a CFST Arch Bridge Rib

2012 ◽  
Vol 446-449 ◽  
pp. 1199-1202
Author(s):  
Yan Jiang Chen ◽  
Xiao Qiang Ren ◽  
Jin Jie Wang ◽  
Da Peng Gu
Keyword(s):  
Stability Analysis ◽  
Arch Bridge ◽  
Cfst Arch Bridge ◽  
Concrete Pumping

Stability Analysis of Long-span Deck-type CFST Arch Bridge

2007 ◽  
Vol 2 (1) ◽  
pp. 62-65
Author(s):  
He-qing Zhao ◽  
Liang Xu ◽  
Hui-lin Yang ◽  
Shi-zhong Liu
Keyword(s):  
Stability Analysis ◽  
Arch Bridge ◽  
Long Span ◽  
Cfst Arch Bridge

Nonlinear Stability Analysis of Qijiadu Long-Span Deck-Type CFST Arch Bridge

2010 ◽  
Vol 163-167 ◽  
pp. 1685-1691
Author(s):  
Liang Xu ◽  
Ya Ping Wu
Keyword(s):  
Gansu Province ◽  
Composition Material ◽  
Arch Bridge ◽  
Term Operation ◽  
Long Span ◽  
Small Width ◽  
Cfst Arch Bridge ◽  
Transverse Stability ◽  
Arch Bridges ◽  
The Stability

With the application of the composition material-concrete-filled-steel-tube (CFST) in civil engineering, the crossing ability of arch bridge gets advanced development. Therefore, it is of interesting to study the stability of such long-span arch bridges, especially which have small width, for the bridge’s safety under long term operation. The present study focuses on studies the transverse stability of long-span arch bridges with small width. To this purpose, a deck type CFST arch-bridge in Gansu Province is adopted as an example. The arch bridge has a span of 180 m, and its width-span ratio is 1/25.7. The finite element method with a special beam element is employed to analyze the stability. The analyses are carried out for the transverse stability of the bridge during construction and under service, respectively. Furthermore, the influence of the spandrel structure and deck elastic restraints to the stability is investigated taking account of geometrical and material nonlinearity.

Stability Analysis of Single-Track Railway Long Span Combination Bridge of Arch and Beam

2011 ◽  
Vol 383-390 ◽  
pp. 6079-6084
Author(s):  
Ri Chen Ji ◽  
Jun He ◽  
Ming Xing Shi
Keyword(s):  
Stability Analysis ◽  
Steel Tube ◽  
Material Nonlinearity ◽  
Stability Factor ◽  
Single Track ◽  
Arch Bridge ◽  
Concrete Filled Steel Tube ◽  
Long Span ◽  
The Stability ◽  
Tied Arch Bridge

For the single-track railway concrete-filled steel tube tied-arch bridge, since restrictions of the bridge width will inevitably lead to a relatively smaller ratio of width to span using long span.The stability is a very prominent issue in design and construction. Taking a 136m span through concrete filled steel tube tied-arch bridge as an object, considering the influence of geometric and material nonlinearity of arch rib, its space stability analysis of the whole bridge is made using finite element program. Its stability factor and the instabil-ity mode are given under the most unfavourable load condition. Instability of the structure is mainly shown in out-plane instability of arch rib. Elastic buckling factor is greater than the general requirement, which satisfies the requirement of the bridge elastic stability. The effect of geometric nonlinearity on stability of the bridge is smaller while the effect of material nonlinearity is greater, which should be considered in the stability analysis of long span arch bridge. After the arch ribs are progressively loaded, the ultimate loads of the arch ribs are obtained. Effects and variation law of transverse brace layout, arch rib inclination angle and ratio of height to span of the arch to the stability of this bridge are revealed.

Nonlinear Stability Analysis on the Concrete Casting Step of Long-Span Concrete-Filled Steel Tube Arch Bridge

2009 ◽  
Vol 614 ◽  
pp. 275-282
Author(s):  
Ji Wang ◽  
Ming Zhong Zhang ◽  
Xiao Li Guo
Keyword(s):  
Stability Analysis ◽  
Nonlinear Stability ◽  
Geometrical Nonlinearity ◽  
Steel Tube ◽  
Material Nonlinearity ◽  
Nonlinear Stability Analysis ◽  
Arch Bridge ◽  
Concrete Filled Steel Tube ◽  
Long Span ◽  
Cfst Arch Bridge

In recent years, concrete-filled steel tube (CFST) was developed and used extensively in civil engineering in China. In this paper, the method for stability analysis of long-span CFST arch bridge was introduced. Based on Jingyang River Bridge in Hubei province of China and finite element method, the spatial model was set up. Both linear and nonlinear stability of long-span CFST arch bridge in construction process were analyzed. The result indicated the influence of geometrical nonlinearity was small and the influence of material nonlinearity was evident. So, for analyzing the stability of long-span CFST arch bridge, the influence of geometrical nonlinearity and material nonlinearity must be considered at the same time. The results of paper were used to provide the basis for the construction control of the bridge.

Seismic Response Analysis of CFST Arch Bridge Considering Input Earthquake Characteristics

2011 ◽  
Vol 255-260 ◽  
pp. 962-966
Author(s):  
Fan Xing ◽  
Lin Zhao ◽  
Ya Zhe Xing
Keyword(s):  
Seismic Response ◽  
Research Result ◽  
Steel Tube ◽  
Response Analysis ◽  
Vibration Period ◽  
Arch Bridge ◽  
Near Fault ◽  
Long Span ◽  
Cfst Arch Bridge ◽  
Out Of Plane

In view of huge destructibility of the near-fault ground motions, structures with long natural vibration period are liable to fall into nonlinear reaction stage. Based on a full understanding of the near-fault seismic spectrum characteristics, the out-of-plane seismic response of a long span concrete-filled steel tube (CFST) arch bridge was studied in depth, and the research result could offer a reference for near-fault aseismic design.

Construction Monitoring Technology Research on Large-Span V Structure Tied Arch Bridge

2013 ◽  
Vol 351-352 ◽  
pp. 1240-1243 ◽  
Author(s):  
Ting Yin ◽  
Wei Zhang ◽  
Yan Bo Zhao ◽  
Xiao Long Sun
Keyword(s):  
Actual State ◽  
Construction Process ◽  
Bridge Construction ◽  
Monitoring Point ◽  
Monitoring Technology ◽  
Construction Monitoring ◽  
Arch Bridge ◽  
Large Span ◽  
Long Span ◽  
Tied Arch Bridge

Large-span V structure tied arch bridge structure system is complex. In order to make the actual state of the bridge into the ideal state of maximum close to the design, we must make real-time monitoring in the key parts of the structure, and adjust to the design of the data by analysis calculated, to ensure the safety and reliability of arch bridge in the course of construction and into stress after the completed bridge. Combined with the construction monitoring of the main Xinglong Bridge on Si River, this paper introduces the main bridge construction process measurement a preliminary study on the large span V configuration basket tied arch bridge construction monitoring technology. Based on the construction monitoring of Xinglong Bridge on Si River, this paper introduces the main contents and methods of monitoring point location, monitoring control of construction process, and discussed the construction monitoring technology of long-span X-style tied arch bridge V structure.

Construction Control Analysis of Large Span Reinforced Concrete Arch Bridge

2012 ◽  
Vol 490-495 ◽  
pp. 1186-1190
Author(s):  
Yu Cao ◽  
Yi Feng Zheng ◽  
Xiao Cong Xi
Keyword(s):  
Reinforced Concrete ◽  
Tracking Control ◽  
Construction Control ◽  
Control Analysis ◽  
Construction Process ◽  
Construction Monitoring ◽  
Arch Bridge ◽  
Internal Forces ◽  
Design Requirements ◽  
Main Arch

Construction monitoring of reinforced concrete arch bridge mainly include both the linear of structure and structural stress, comprehensive tracking control must be conducted to make smoothly construction of bridge and meet the design requirements. Taking 2# bridge in International Tourism Resort District of Changbai Mountain as the engineering background, according to features of sub-situ construction control of main arch, a reasonable program of construction control is adopted, to ensure that status of structural internal forces meet the design requirements or in a secure area during the construction process or after completion.

scholarly journals Research on seismic isolation control of long-span mid-supported CFST arch bridge

2018 ◽  
Vol 439 ◽  
pp. 042066
Author(s):  
Hou Chao ◽  
Zhong Tieyi ◽  
Xincheng Chen ◽  
Hongbin Li ◽  
Jiawei Wang
Keyword(s):  
Seismic Isolation ◽  
Arch Bridge ◽  
Long Span ◽  
Cfst Arch Bridge

Practical Calculation of Cable-Stayed Arch Bridge Lateral Stability

2014 ◽  
Vol 587-589 ◽  
pp. 1586-1592 ◽  
Author(s):  
Wei Lu ◽  
Ding Zhou ◽  
Zhi Chen
Keyword(s):  
Calculation Method ◽  
Practical Calculation ◽  
Lateral Stability ◽  
Bridge Structure ◽  
Construction Process ◽  
Energy Principle ◽  
Arch Bridge ◽  
Long Span ◽  
Arch Bridges ◽  
Cable Stayed Bridges

A long-span cable-stayed arch bridge is a new form of bridge structure that combines features of cable-stayed bridges with characteristics of arch bridges. In the present study, we derived a practical calculation method for the lateral destabilization critical loading of cable-stayed arch bridges during the construction process based the energy principle. The validity of the method was verified with an example. The calculation method provides a quick and efficient way to evaluate the lateral stability of a cable-stayed arch bridge and a concrete filled steel tubular arch bridge during the construction process.

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