scholarly journals Fatigue Performance of Steel-Concrete Composite Continuous Box Girder Bridge Deck

Complexity ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-15
Author(s):  
Yuanxun Zheng ◽  
Zhanlin Cao ◽  
Pan Guo ◽  
Pu Gao ◽  
Peng Zhang
Keyword(s):  
Bridge Deck ◽  
Concrete Slab ◽  
Fatigue Performance ◽  
Slab Thickness ◽  
Box Girder ◽  
Continuous Beam Bridge ◽  
Flow Information ◽  
Girder Bridge ◽  
Beam Bridge ◽  
Wheel Track

The fatigue performance of the bridge deck significantly affects the safety and durability of the overall steel-concrete composite beam bridge. Based on the vehicle flow information of the highway within 10 years, the fatigue performance of a two-way four-lane steel-concrete composite continuous beam bridge deck is studied in this research. The results indicate that the effect of the wheel track position is negligible for two-way four-lane bridge when the wheel track sways laterally, and the fatigue stress of bridge deck concrete is the most unfavorable while the loading position is 7.0 m away from the bridge center line. The fatigue damage decreases by 30%–40% when the centerline of the lane deviates from the most unfavorable stress position by 1 m. The punching fatigue of the concrete is more sensitive to the changes in slab thickness, and the thickness of the deck concrete slab is recommended to be ≥35 cm.

The Linear Monitoring Analysis of PC Continuous Beam Bridge

2014 ◽  
Vol 644-650 ◽  
pp. 4987-4990
Author(s):  
Ya Xun Yang ◽  
Gao Gong
Keyword(s):  
Prestressed Concrete ◽  
Continuous Beam ◽  
Monitoring Method ◽  
Box Girder ◽  
Construction Monitoring ◽  
Continuous Beam Bridge ◽  
Test Technology ◽  
Deflection Test ◽  
Girder Bridge ◽  
Beam Bridge

According to the structure and construction characteristics of prestressed concrete (PC) continuous beam bridge and combined with the construction monitoring method of continuous beam bridge, this paper introduces the girder deflection test technology and method of prestressed concrete continuous box girder bridge, also analyzes the various factors which affect the linear monitoring. And draw the conclusion through the analysis of the deflection and linear monitoring of LinGang big bridge.

The Stress Monitoring Analysis of PC Continuous Beam Bridge

2014 ◽  
Vol 644-650 ◽  
pp. 895-898
Author(s):  
Ya Xun Yang ◽  
Wei Ya Fan
Keyword(s):  
Prestressed Concrete ◽  
Stress Test ◽  
Continuous Beam ◽  
Stress Monitoring ◽  
Monitoring Method ◽  
Box Girder ◽  
Construction Monitoring ◽  
Continuous Beam Bridge ◽  
Girder Bridge ◽  
Beam Bridge

According to the structure and construction characteristics of PC continuous beam bridge and combined with the construction monitoring method of continuous beam bridge, this paper introduces the girder stress strain test technology and method of prestressed concrete continuous box girder bridge, also analyzes the various factors which affect the stress test. After monitoring LinGang big bridge, draw the conclusion through the analysis of its stress and strain.

The Influence of Slab Concreting Sequence on a Continuous Composite Girder Bridge

2016 ◽  
Vol 691 ◽  
pp. 96-107
Author(s):  
Tomas J. Zivner ◽  
Rudolf B. Aroch ◽  
Michal M. Fabry
Keyword(s):  
Concrete Slab ◽  
Transverse Cross Section ◽  
Slab Thickness ◽  
Slab Width ◽  
Composite Girder ◽  
Steel Members ◽  
Composite Bridge ◽  
Bridge Girder ◽  
Girder Bridge ◽  
Main Girder

This paper deals with the slab concreting sequence and its influence on a composite steel and concrete continuous highway girder bridge. The bridge has a symmetrical composite two-girder structure with three spans of 60 m, 80 m, 60 m (i.e. a total length between abutments of 200.0 m). The horizontal alignment is straight. The top face of the deck is flat. The bridge is straight. The transverse cross-section of the slab is symmetrical with respect to the axis of the bridge. The total slab width is 12 m. The slab thickness varies from 0.4 m on main girders to 0.25 m at its free edges and 0.3075 m at its axis of symmetry. The center-to-center spacing between main girders is 7 m and the slab cantilever on either side is 2.5 m long. Every main girder has a constant depth of 2800 mm and the thicknesses of the upper and lower flanges are variable. The lower flange is 1200 mm wide whereas the upper flange is 1000 mm wide. The two main girders have transverse bracing at abutments and at internal supports and at regular intervals in every span. The material of concrete slab is C35/45 and of steel members S355. The on-site pouring of the concrete slab segments is performed by casting them in a selected order and is done after the launching of the steel two girder bridge. The paper presents several concreting sequences and their influence on the normal stresses and deflections of the composite bridge girder.

Study on the Diaphragm Effect of the Beam Type Bridge

2013 ◽  
Vol 351-352 ◽  
pp. 675-678
Author(s):  
Liu Yang ◽  
Zhi Da Li ◽  
Rong Peng
Keyword(s):  
Force Analysis ◽  
Design Code ◽  
Bridge Design ◽  
Box Girder ◽  
Analysis And Design ◽  
Straight Beam ◽  
Beam Type ◽  
Girder Bridge ◽  
Beam Bridge ◽  
T Beam

Our country bridge design code prescribe beam bridge often set the diaphragm to strengthen transverse connection. However, many countries think the beam bridge can reduce or do not set diaphragm. This paper respectively analyzed the deflection and stress of straight T beam bridge and curved box girder bridge with or without diaphragm, further demonstrated the diaphragm settings are necessary in straight beam bridge and curved beam bridge, especially when the vehicle and bridge width gradually increase, the diaphragm right force analysis and design becomes more and more important, it become an important part of the whole bridge design.

Research of Prestressed Concrete Hollow Multi-Ribbed Composite Box Girder

2011 ◽  
Vol 368-373 ◽  
pp. 705-709
Author(s):  
Ping Hu ◽  
Dong Qi Zhao ◽  
Hui Li ◽  
Gui Feng Song ◽  
Yi Jun Tang
Keyword(s):  
Prestressed Concrete ◽  
Structure Form ◽  
Box Girders ◽  
Two Phase ◽  
Box Girder ◽  
Force Structure ◽  
Assembly Structure ◽  
Continuous Girder Bridge ◽  
Girder Bridge ◽  
Beam Bridge

Base the shortcomings of pre-simple-supported post-continuous girder bridge construction, a new beam-bridge convert structure system is proposed, that is a kind of structure form of prestressed concrete hollow multi-ribbed composite box girders, the calculation method of two phase and noting are put forward. the kind of Cast-in-place assembly structure is light self-weight, force structure reasonable, easy construction, overall good and overall cost low.

Study on Rational Position of Joint Section of Steel-Concrete Hybrid Girder Bridge

2013 ◽  
Vol 671-674 ◽  
pp. 1007-1011
Author(s):  
Feng Jiang Qin ◽  
Jin Di ◽  
Jie Dai ◽  
Wen Ru Lu ◽  
Min Zhao
Keyword(s):  
Bending Moment ◽  
Variable Cross Section ◽  
Live Load ◽  
Variable Cross ◽  
Box Girder ◽  
Load Combination ◽  
Negative Bending ◽  
Girder Bridge ◽  
Joint Section ◽  
Beam Bridge

Taking Wei River Bridge with span combination of 69m+7×90m for example, the method of determining the steel-concrete joint section for variable cross-section steel-concrete hybrid continuous box girder bridge were investigated by finite element and parameter sensitivity analysis. The results show that it was an effective method for hybrid girder highway beam bridge from the view of mechanical property that the bending moment under dead load combination was employed as the main parameters, considering the negative bending moment in the pier top and the amplitude of bending moment in the joint section under live load. But based on reasonable structure stress conditions, the length of steel box girder that the host material of the bridge was concrete could determined by economy principle.

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