A bridge vase pier parameter optimization method and system based on mixed integer programming

By using a hybrid integer programming-based parameter optimization method for bridge vase-shaped piers, a multi-objective optimization model is constructed and the global optimal solution is calculated. This resolves the contradiction between material usage and construction convenience in the design of vase-shaped piers, thereby shortening the design cycle and reducing costs.

CN122365682APending Publication Date: 2026-07-10CHINA RAILWAY MAJOR BRIDGE RECONNAISSANCE & DESIGN INSTITUTE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA RAILWAY MAJOR BRIDGE RECONNAISSANCE & DESIGN INSTITUTE CO LTD
Filing Date
2026-05-20
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

The design of key parameters for bridge vase-shaped piers is difficult to balance between the economy of material usage and the convenience of construction. Existing technical solutions result in long design cycles, a wide variety of templates, or increased costs.

Method used

A multi-objective optimization model based on mixed integer programming is constructed. Combining design cost and total construction cost, the global optimal solution is calculated using a mixed integer programming solver to optimize the parameters of the vase-shaped pier.

Benefits of technology

The key parameters of the vase-shaped pier were optimized globally, shortening the design cycle, reducing the types of construction formwork, lowering the total construction cost, and balancing the economy of concrete usage and the convenience of construction.

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Abstract

This application relates to a method for optimizing bridge vase-shaped pier parameters based on mixed-integer programming, comprising: constructing a multi-objective optimization model with the design cost and total construction cost of the vase-shaped pier as objectives; establishing mixed-integer programming constraints based on the multi-objective optimization model; and calculating the global optimal solution of the multi-objective optimization model to obtain the optimized parameters of the vase-shaped pier. This application comprehensively considers both design cost and total construction cost, combines mixed-integer programming to solve the problem, and ensures that the optimized parameters meet design requirements through constraints, achieving quantitative balance and realizing global optimization of key parameters of the vase-shaped pier. This effectively shortens the design cycle, reduces the total construction cost, reduces the types of construction formwork, and simultaneously balances the economy of concrete usage and construction convenience.
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