A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to the technical field of bridge design, in particular to a cable-stayed bridge cable force estimation method and device based on a nonlinear effect, and the method comprises the steps: obtaining a geometric parameter set of a target cable-stayed bridge; acquiring a node bending moment of each node in all nodes of the target cable-stayed bridge based on the geometric parameter set, and estimating a cable vertical force of each cable in all cables of the target cable-stayed bridge according to the node bending moment; and estimating the stay cable horizontal force and the stay cable maximum cable force of each stay cable in all the stay cables of the target cable-stayed bridge by using the stay cable vertical force so as to obtain the cable-stayed bridge cable force of the target cable-stayed bridge based on the stay cable horizontal force and the stay cable maximum cable force. According to the embodiment of the invention, the vertical counter-force of the inhaul cable can be solved based on the geometric parameters of the cable-stayed bridge, the maximum cable force and the horizontal force of the inhaul cable are solved according to the vertical counter-force of the inhaul cable, and the cable-stayed bridge cable force estimation result is obtained, so that real-time output of the cable force of the inhaul cable and the bending moment of the main beam is realized, the design efficiency of the cable-stayed bridge is improved, and the cable-stayed bridge is simpler and more efficient.
本申请涉及桥梁设计技术领域，特别涉及一种基于非线性效应的斜拉桥索力估计方法及装置，其中，方法包括：获取目标斜拉桥的几何参数集；基于几何参数集获取目标斜拉桥的所有节点中每个节点的节点弯矩，并根据节点弯矩估计目标斜拉桥的所有拉索中每根拉索的拉索竖向力；利用拉索竖向力估计目标斜拉桥的所有拉索中每根拉索的拉索水平力和拉索最大索力，以基于拉索水平力和拉索最大索力得到目标斜拉桥的斜拉桥索力。本申请实施例可以基于斜拉桥的几何参数求解拉索竖向反力，进而根据拉索竖向反力求解拉索最大索力和拉索水平力，得到斜拉桥索力估计结果，从而实现了拉索索力和主梁弯矩实时输出，提升了斜拉桥设计效率，更加简洁高效。
The invention relates to the technical field of bridge design, in particular to a cable-stayed bridge cable force estimation method and device based on a nonlinear effect, and the method comprises the steps: obtaining a geometric parameter set of a target cable-stayed bridge; acquiring a node bending moment of each node in all nodes of the target cable-stayed bridge based on the geometric parameter set, and estimating a cable vertical force of each cable in all cables of the target cable-stayed bridge according to the node bending moment; and estimating the stay cable horizontal force and the stay cable maximum cable force of each stay cable in all the stay cables of the target cable-stayed bridge by using the stay cable vertical force so as to obtain the cable-stayed bridge cable force of the target cable-stayed bridge based on the stay cable horizontal force and the stay cable maximum cable force. According to the embodiment of the invention, the vertical counter-force of the inhaul cable can be solved based on the geometric parameters of the cable-stayed bridge, the maximum cable force and the horizontal force of the inhaul cable are solved according to the vertical counter-force of the inhaul cable, and the cable-stayed bridge cable force estimation result is obtained, so that real-time output of the cable force of the inhaul cable and the bending moment of the main beam is realized, the design efficiency of the cable-stayed bridge is improved, and the cable-stayed bridge is simpler and more efficient.
本申请涉及桥梁设计技术领域，特别涉及一种基于非线性效应的斜拉桥索力估计方法及装置，其中，方法包括：获取目标斜拉桥的几何参数集；基于几何参数集获取目标斜拉桥的所有节点中每个节点的节点弯矩，并根据节点弯矩估计目标斜拉桥的所有拉索中每根拉索的拉索竖向力；利用拉索竖向力估计目标斜拉桥的所有拉索中每根拉索的拉索水平力和拉索最大索力，以基于拉索水平力和拉索最大索力得到目标斜拉桥的斜拉桥索力。本申请实施例可以基于斜拉桥的几何参数求解拉索竖向反力，进而根据拉索竖向反力求解拉索最大索力和拉索水平力，得到斜拉桥索力估计结果，从而实现了拉索索力和主梁弯矩实时输出，提升了斜拉桥设计效率，更加简洁高效。
Cable-stayed bridge cable force estimation method and device based on nonlinear effect
基于非线性效应的斜拉桥索力估计方法及装置
2024-01-09
Patent
Electronic Resource
Chinese
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