A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Design method of urban interchange ramp curve beam bridge optimization model
The invention provides a method for designing an optimization model of an urban interchange ramp curve beam bridge, which belongs to the field of design of interchange ramp curve beam bridges, and analyzes, simulates, calculates and compares internal force, displacement and stress response quantity of ramp curve beams according to different action combinations, working conditions and curvature radiuses by using Midas series software. Obtaining the distribution rule of each response quantity, and determining the most unfavorable characteristic value; a corresponding structural design technology is provided aiming at main factors influencing mechanical properties, so that adverse response generated by the bending-torsion coupling effect of the curved beam is reduced, the structural stress is effectively reduced, and the anti-cracking capability is effectively improved. And the performance of the small-radius curve ramp beam bridge structure can be better played in an interchange project. The bridge structure design is optimized, and an overall optimization scheme of the interchange is obtained. And the design quality and efficiency of the curved beam bridge in the complex environment are effectively improved, and good investment benefits and popularization and application values are achieved.
本发明提供城市互通式立交匝道曲线梁桥优化模型设计方法，属于立交匝道曲线梁桥设计领域，运用Midas系列软件，针对不同作用组合、工况条件和曲率半径进行匝道曲线梁的内力、位移、应力响应量的分析、模拟、计算和对比，获得各响应量的分布规律，确定最不利特征值；针对影响力学性能的主要因素提出相应的结构设计技术，以减小曲线梁弯扭耦合效应产生的不利响应，有效降低结构应力和提高抗裂能力。使小半径曲线匝道梁桥结构性能在互通立交工程中得到更好地发挥。优化了桥梁结构设计，获得了该互通式立交总体优化方案。有效提高了复杂环境下曲线梁桥的设计质量和效率，具有良好投资效益和推广应用价值。
Design method of urban interchange ramp curve beam bridge optimization model
The invention provides a method for designing an optimization model of an urban interchange ramp curve beam bridge, which belongs to the field of design of interchange ramp curve beam bridges, and analyzes, simulates, calculates and compares internal force, displacement and stress response quantity of ramp curve beams according to different action combinations, working conditions and curvature radiuses by using Midas series software. Obtaining the distribution rule of each response quantity, and determining the most unfavorable characteristic value; a corresponding structural design technology is provided aiming at main factors influencing mechanical properties, so that adverse response generated by the bending-torsion coupling effect of the curved beam is reduced, the structural stress is effectively reduced, and the anti-cracking capability is effectively improved. And the performance of the small-radius curve ramp beam bridge structure can be better played in an interchange project. The bridge structure design is optimized, and an overall optimization scheme of the interchange is obtained. And the design quality and efficiency of the curved beam bridge in the complex environment are effectively improved, and good investment benefits and popularization and application values are achieved.
本发明提供城市互通式立交匝道曲线梁桥优化模型设计方法，属于立交匝道曲线梁桥设计领域，运用Midas系列软件，针对不同作用组合、工况条件和曲率半径进行匝道曲线梁的内力、位移、应力响应量的分析、模拟、计算和对比，获得各响应量的分布规律，确定最不利特征值；针对影响力学性能的主要因素提出相应的结构设计技术，以减小曲线梁弯扭耦合效应产生的不利响应，有效降低结构应力和提高抗裂能力。使小半径曲线匝道梁桥结构性能在互通立交工程中得到更好地发挥。优化了桥梁结构设计，获得了该互通式立交总体优化方案。有效提高了复杂环境下曲线梁桥的设计质量和效率，具有良好投资效益和推广应用价值。
Design method of urban interchange ramp curve beam bridge optimization model
城市互通式立交匝道曲线梁桥优化模型设计方法
CHEN JUNXIANG (author) / QIU BO (author) / SHI ZHI (author) / HUANG CHAORAN (author) / GAN JIANJIAN (author)
2023-03-21
Patent
Electronic Resource
Chinese
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