长寿命UHPFRC组合钢桥面板研究综述

段兰; 袁翊竑; 王春生; BRÜHWILER Eugen

doi:10.19818/j.cnki.1671-1637.2024.01.004

长寿命UHPFRC组合钢桥面板研究综述

doi: 10.19818/j.cnki.1671-1637.2024.01.004

1.
长安大学公路学院，陕西西安 710064
2.
瑞士洛桑联邦理工学院结构维护与安全实验室，沃州洛桑 CH-1015

基金项目:

国家自然科学基金项目 52078044

陕西省创新能力支撑计划项目 2019TD-022

中央高校基本科研业务费专项资金项目 300102219309

详细信息

作者简介:
段兰(1985-)，女，陕西乾县人，长安大学副教授，工学博士，从事钢桥与组合结构桥梁研究

通讯作者:
王春生(1972-)，男，黑龙江绥化人，长安大学教授，工学博士

中图分类号: U448.36
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- 被引次数: 0
出版历程
- 收稿日期: 2023-08-30
- 网络出版日期: 2024-03-13
- 刊出日期: 2024-02-25

Review on research of long lasting UHPFRC composite steel bridge deck

1.
School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China
2.
Structural Maintenance and Safety Laboratory, École Polytechnique Fédérale de Lausanne, Lausanne CH-1015, Vaud, Switzerland

Funds:

National Natural Science Foundation of China 52078044

Innovation Capability Support Program of Shaanxi Province 2019TD-022

Fundamental Research Funds for the Central Universities 300102219309

More Information

Author Bio:
DUAN Lan(1985-), female, associate professor, PhD, DL0310DL@163.com

WANG Chun-sheng(1972-), male, professor, PhD, wcs2000wcs@163.com

摘要

摘要:
从三方面归纳与剖析了超高性能纤维增强水泥基(UHPFRC)复合材料组合钢桥面板的研究进展，包括强韧性组合层选材、界面传力机制与损伤累积机理、设计方法与工程应用；总结了纤维类型、纤维掺量对UHPFRC轴拉性能和抗弯性能的影响规律，确定了支撑组合钢桥面板结构分析的多种本构模型；对比分析了热连接、冷连接和混合连接组合界面设计方式的技术特点，归纳了胶粘界面、冷连接剪力键界面与混合连接界面的传力机理试验与理论研究成果；总结了基于冷连接设计理念的组合钢桥面板在合理构造、设计方法、规范规程与工程实践等方面的研究成果，并探讨了长寿命组合钢桥面板的创新与发展方向。研究结果表明：单一或混杂纤维的掺入综合提升了UHPFRC的应变强化能力、弯曲变形能力、抗断裂能力、裂缝宽度控制能力和抗疲劳性能，轴拉条件下UHPFRC三线型简化本构模型有力支撑了组合钢桥面板的设计计算，弹塑性损伤本构模型可描述不可逆疲劳损伤累积；验证了冷连接组合界面的增韧效果与可靠性，新型剪力键既可以提高组合效应，也能增韧UHPFRC层，混合连接界面具有降低界面局部应力集中、提高整体界面抗剪刚度、改善界面传力、提升施工效率等综合技术优势，内聚界面本构模型可实现冷连接界面损伤累积反演分析，界面损伤预测结果准确可靠；基于冷连接的UHPFRC组合钢桥面板可以有效提高钢桥面板的局部刚度，相关设计方法可支撑标准的编制与工程实践；应进一步提升UHPFRC的性价比和界面连接的高效性和可靠性，以支撑组合钢桥面板的长寿命、强韧性、轻量化、易维护、低能耗设计与建造。
- 桥梁工程 /
- 长寿命 /
- UHPFRC组合钢桥面板 /
- 冷连接件 /
- 组合界面 /
- 设计准则 /
- 免蒸养
Abstract:
The research progress of ultra-high performance fiber reinforced cementitious (UHPFRC) composite material composite steel bridge decks was summarized and analyzed from three aspects, including the material selection for the high resilience composite layer, interface force transfer mechanism and damage accumulation mechanism, and design method and engineering practice. The effects of fiber type and fiber content on the axial tensile and flexural properties of the UHPFRC were summarized. Several constitutive models were determined for the structural analysis of the composite steel bridge deck. Technical characteristics were compared and analyzed for the interface design methods adopting hot, cold, and hybrid connections. The experimental and theoretical achievements in the force transfer mechanism of adhesive interface, shear connector interface with cold connection, and hybrid connection interface were summarized. The research results of rational configuration, design method, specification, and engineering practice were summarized for the composite steel bridge deck based on the cold connection design concept. The innovation and development directions of long lasting composite steel bridge decks were also discussed. Research results show that the addition of single or hybrid fibers can comprehensively improve the strain strengthening ability, flexural deformation ability, fracture resistance, crack width control ability, and fatigue resistance of the UHPFRC. The simplified three-linear constitutive model of UHPFRC under the axial tension powerfully supports the design and calculation of steel bridge decks. The elastoplastic damage constitutive model can describe the irreversible fatigue damage accumulation. The toughening effect and reliability of the composite interface with cold connection are verified. The innovative shear connector can both improve the composition effect and toughen the UHPFRC layer. The hybrid connection interface has comprehensive technical advantages such as reducing the local stress concentration, improving the overall shear stiffness, improving the force transfer of the interface, and enhancing the construction efficiency. The cohesive interface constitutive model can realize the inversion analysis of the cumulative damage of interface with cold connection, and the interface damage prediction results are accurate and reliable. The UHPFRC composite steel bridge deck based on the cold connection can effectively improve the local stiffness of the steel bridge deck. The related design method can support the formulation of standards and engineering practices. The cost effectiveness of the UHPFRC, as well as the efficiency and reliability of the interface connection should be improved, so as to support the design and construction of composite steel bridge decks with long life, high resilience, lightweight, easy maintenance, and low energy consumption.
- bridge engineering /
- long lasting /
- UHPFRC composite steel bridge deck /
- cold connector /
- composite interface /
- design rule /
- free steaming

HTML全文

图 1 轴拉试件破坏形态

Figure 1. Failure modes of axial tensile specimens

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图 2 单一或混杂纤维增韧的UHPFRC板弯曲韧性试验

Figure 2. Bending toughness test of single or hybrid fiber reinforced UHPFRC plate

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图 3 纤维外观

Figure 3. Fiber appearances

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图 4 数字图像技术监测损伤发展

Figure 4. Damage development monitored by digital image technology

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图 5 胶粘波折钢板剪力键的钢-UHPFRC组合板

Figure 5. Steel-UHPFRC composite plate glued with corrugated steel plate connector

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图 6 混合连接界面的钢-UHPFRC组合板

Figure 6. Steel-UHPFRC composite plate with hybrid connection interface

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图 7 采用胶粘界面的UHPFRC组合钢桥面板足尺疲劳试验

Figure 7. Fatigue test of full-scale UHPFRC composite steel bridge deck with adhesive interface

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图 8 双线性界面本构模型

Figure 8. Bi-linear constitutive model of interface

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图 9 焊接栓钉界面组合钢桥面板构造

Figure 9. Configuration of composite steel bridge deck with welded stud interface

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图 10 采用胶层连接的UHPFRC组合钢桥面板构造

Figure 10. Configuration of UHPFRC composite steel bridge deck connected by adhesive layer

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图 11 胶粘波折钢板剪力键UHPFRC组合钢桥面板

Figure 11. UHPFRC composite steel bridge deck glued with corrugated steel plate shear connectors

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图 12 胶粘波折钢板剪力键UHPFRC组合钢桥面板构造

Figure 12. Configuration of UHPFRC composite steel bridge deck glued with corrugated steel plate shear connectors

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图 13 混合连接界面的组合钢桥面板疲劳模型

Figure 13. Composite steel bridge deck fatigue model with hybrid connection interface

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图 14 带栓钉钢板条与焊接栓钉的冷热混合加固方案

Figure 14. Cold and hot hybrid reinforcement scheme of bonded steel plate with stud and welded stud

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图 15 采用混合连接的UHPFRC组合钢桥面板构造

Figure 15. Configuration of UHPFRC composite steel bridge deck using hybrid connection

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