Web shear buckling of steel–concrete composite girders in negative-moment regions

Men, Pengfei; Di, Jin; Jiang, Hongyi; Zhou, Xuhong; Qin, Fengjiang

doi:10.1016/j.engstruct.2021.112210

Cited by 11 publications

(5 citation statements)

References 10 publications

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“…Using the principle of partial superposition proposed by Shuai Liu [34], we formulated an equation for the numerical assessment of the influence of concrete filling on shear capacity. Men Pengfei [62] reported that it is necessary to comprehensively consider the influence of the section form of the wings and the tensile strength of concrete on the shear capacity of composite beams and proposed a calculation method for the shear capacity of the wings considering the buckling form of the web of steel beams:…”

Section: Examination Of the Experimental Results Of The Narrow-width ...mentioning

confidence: 99%

“…In addition to the above factors, UHPC steel fiber content, UHPC board thickness, and filled concrete have a great influence on the narrow steel box-UHPC composite beam in the negative bending moment area. Through the review of the literature [36,46,54,55,59,[61][62][63][64][65], we compiled a database of the test results, as shown in Table 2, and collected the detailed shear test data of narrow-width steel box-UHPC composite beams from 11 typical articles, as shown in Tables 1 and 2. Through a review of the above literature, we obtained the key influencing factors of narrow-width steel box-UHPC composite beams.…”

Section: ) Steel Box Girdermentioning

confidence: 99%

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Research Progress on Shear Characteristics and Rapid Post-Disaster Construction of Narrow-Width Steel Box–UHPC Composite Beams

Chen,

Xu,

Yuan

et al. 2024

Buildings

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The narrow-width steel box girder is an important type of steel–concrete composite bridge structure, which is usually composed of reinforced concrete wing plates, narrow steel boxes partially injected with concrete, and shear connectors that promote shear force transfer. The utilization of narrow-width steel box girders, augmented by partially filled concrete, embodies the synthesis of steel and concrete elements, fostering structural efficiency. Moreover, its attributes, including reduced structural weight, diminished vertical profile, enhanced load-bearing capacity, and augmented stiffness, have prompted its gradual integration into bridge engineering applications. In this study, the calculated values of shear strength under three current design codes were reviewed, and the shear failure phenomena and its determinants of narrow-width steel box–ultra-high-performance concrete (UHPC) composite beams under negative bending moment conditions were investigated, which were mainly determined by shear span ratio, concrete wing plate, UHPC steel fiber content, UHPC plate thickness, and transverse partition inside the box. Concurrently, this paper evaluates two innovative structural designs, including a double-narrow steel box girder and a three-narrow steel box girder. In addition, strategies to reduce crack formation under the negative bending moment of long-span continuous narrow and wide box girder abutments are discussed, and we show that this measure can effectively control the formation of cracks to support the negative bending moment zone. At the same time, the scope of the application of a narrow-width steel box girder composite bridge is reviewed, and the conclusion is that a narrow-width steel box girder is mainly used in small-radius flat-curved bridges or widened-ramp bridges with a span of 30 m or more in interworking areas and in the main line with a 60–100 m span in mountainous or urban areas. Finally, the research direction of the shear resistance of the UHPC–narrow steel box girder under negative bending moments is proposed.

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Section: Examination Of the Experimental Results Of The Narrow-width ...mentioning

confidence: 99%

Section: ) Steel Box Girdermentioning

confidence: 99%

Research Progress on Shear Characteristics and Rapid Post-Disaster Construction of Narrow-Width Steel Box–UHPC Composite Beams

Chen,

Xu,

Yuan

et al. 2024

Buildings

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“…The symbol E represents Young's modulus of the steel material. The shear buckling coefficient pertaining to the web plate of the steel box girder, herein designated as k sc , has been ascertained to be 10.08 [27]. The parameter representing the thickness of the web plate is denoted by t s .…”

Section: Shear Capacity Calculation Of Composite Beammentioning

confidence: 99%

“…Buildings 2023, 13, x FOR PEER REVIEW web plate of the steel box girder, herein designated as 𝑘 sc , has been ascertained [27]. The parameter representing the thickness of the web plate is denoted by depiction of the calculation methodology is provided in Figure 14.…”

Section: Shear Capacity Calculation Of Composite Beammentioning

confidence: 99%

Experimental and Computational Research on the Shear Performance of Partially Filled Narrow-Width Steel Box-UHPC-Combined Girders under Negative Moment Action

Liu,

Wang,

Zheng

et al. 2023

Buildings

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To examine the vertical shear behavior of narrow-width steel box-UHPC (Ultra-High Performance Concrete) composite beams with partial filling under negative bending moments, a total of six test beams were created and constructed in this study. The variables considered during the design and fabrication process included the flange thickness of UHPC, the amount of steel fibers in UHPC, and the height of the concrete filling. Reverse static concentration loading was applied to the beams. Compared to the C40 concrete flange, the cracking load of the 1/2 plate thickness UHPC flange and pure UHPC flange increased by 55.6% and 66.7%, respectively. The yield load witnessed a rise of 17.3% and 22.7%, while the ultimate load experienced an increase of 7% and 13.1%. This suggests that incorporating steel fibers can regulate the formation of cracks, enhance the flexibility of the flanges, and improve the overall shear capacity of the composite beams. When steel fibers were used in the amount of 2% of the concrete volume, the cracking resistance of the flange plate was increased by 16.7%. Partially filled and fully filled composite beams exhibited a 7.7% and 30.8% augmentation in cracking load, a 35.3% and 49.9% increase in yield load, and a 41% and 83.2% elevation in ultimate load when contrasted with composite beams devoid of concrete infusion within the steel box. The above observation implies that the incorporation of concrete within the steel box significantly improves the yield strength and ultimate shear capacity of the composite beams. The shear strength of the narrow-width steel box-UHPC composite beams, which are partially filled, shows a significant relationship with the experimental results when applying the principle of component superposition.

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“…Men et al [9] stressed the importance of considering correct boundary conditions for slender webs in plate girders, since the initially-assumed simply supported conditions deem far too conservative and unreasonable. In [9] it was concluded the top flange and concrete slab in composite plate girders form fixed boundary conditions of the web edge, transverse stiffeners form simple supports and bottom flange forms supports whose stiffness lies between a pinned and fixed support, depending on the ratio of bottom flange torsional stiffness to web bending stiffness. Finally, Augustyn et al [10] observed the influence of transverse stiffeners and flange thickness on the overall shear buckling mode of steel plate girders.…”

Section: Introductionmentioning

confidence: 99%

Numerical Modeling of Steel‐Concrete Composite Girders Exposed to Web Shear Buckling

Numanović,

Knobloch

2023

ce papers

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Assessment of the structural behaviour of steel and steel‐concrete composite plate girders exposed to web shear buckling is essential when it comes to their implementation involving heavy loads and/or long spans. In this paper, numerical model of a benchmark steel‐concrete composite girder capable of capturing this phenomenon has been developed using the ABAQUS software. The developed finite element model, based on a series of large‐scale girders planned to be tested in the future, has been evaluated and elaborated on. That includes the implementation of appropriate analysis procedures, element types and contact behaviour in the study of the post‐critical buckling behaviour of steel and steel‐concrete composite plate girders. The advantages and disadvantages as well as recommendations for the future use of the investigated modelling strategies have been scrutinized. In the end, this study demonstrates the parameters with the most significant influence on the structural behaviour of composite girders exposed to shear loading.

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Web shear buckling of steel–concrete composite girders in negative-moment regions

Cited by 11 publications

References 10 publications

Research Progress on Shear Characteristics and Rapid Post-Disaster Construction of Narrow-Width Steel Box–UHPC Composite Beams

Research Progress on Shear Characteristics and Rapid Post-Disaster Construction of Narrow-Width Steel Box–UHPC Composite Beams

Experimental and Computational Research on the Shear Performance of Partially Filled Narrow-Width Steel Box-UHPC-Combined Girders under Negative Moment Action

Numerical Modeling of Steel‐Concrete Composite Girders Exposed to Web Shear Buckling

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