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Overview

The cable-stayed bridge model attached to this article is described in detail in the CSiLoadOptimizer Technical Note. The main purpose of the model is to optimize the cable tensions, such that the final negative moments in the deck are within 1% of -1000kN-m. Figures 1 to 3 below present the results of the optimization.

Note that soft lateral supports are provided at the deck level to provide stability during staged construction.

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Figure 1: Bridge geometry

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Figure 2: Deck moment when self-weight is applied

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Figure 3: Deck moment for optimized cable forces

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  • Name: Using CSiLoadOptimizer to optimize tension in cables of a cable-stayed bridge

  • Description: This page provides the cable-stayed bridge model that is described in the CSiLoadOptimizer Technical Note.

  • Program: CSiBridge

  • Program Version: 19.2.2

  • Model ID: 1784

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  • Author: Salman, Ondrej