Analysis Of Cable Stayed Bridge Using Sap 2000 [REPACK] Free Download Full Version

How to Analyze Cable-Stayed Bridges Using SAP2000 Software

Cable-stayed bridges are structures that have one or more towers (or pylons) from which cables support the bridge deck. They are different from suspension bridges, where the cables hang from the towers and are attached to the deck by vertical suspenders. Cable-stayed bridges can span longer distances and have more aesthetic appeal than other types of bridges.

One of the challenges of designing cable-stayed bridges is to analyze their structural behavior under various loads and conditions. This is where SAP2000 software comes in handy. SAP2000 is a 3D finite element based structural analysis and design program that can model complex structures using frame, shell, solid, and cable elements. It can also perform linear and nonlinear static and dynamic analysis, as well as buckling, modal, response spectrum, time history, pushover, and seismic analysis.

In this article, we will show you how to use SAP2000 software to analyze a cable-stayed bridge with different pylon shapes. We will use a basic model of a two-span symmetrical cable-stayed bridge with a total length of 300 m and a deck width of 15 m. The bridge has four lanes of traffic and two sidewalks. The cables are arranged in a fan-like pattern and are attached to the deck at 10 m intervals. The bridge is subjected to dead load and live load as per IRC-6 2010.

The first step is to create the geometry of the bridge using SAP2000's graphical user interface. You can use the grid lines, snap points, draw commands, and edit commands to create the nodes, elements, and sections of the bridge. You can also assign material properties, section properties, releases, constraints, and supports to the elements. You can use the built-in library of sections and materials or define your own custom ones.

The next step is to define the load cases and load combinations for the analysis. You can use SAP2000's load case data form to specify the type, name, self weight multiplier, and load pattern for each load case. You can also use SAP2000's load pattern data form to define the type, name, direction, and magnitude of each load pattern. You can use SAP2000's basic load cases generator to automatically generate dead load and live load patterns based on the bridge geometry and IRC-6 2010 specifications.

The final step is to run the analysis and view the results. You can use SAP2000's analysis options form to select the analysis type, solver options, output options, and design code options for the analysis. You can also use SAP2000's design preferences form to specify the design parameters for the cable elements. You can then click on the run analysis button to start the analysis. After the analysis is completed, you can use SAP2000's display menu to view the deformed shape, forces, stresses, displacements, reactions, modal shapes, frequencies, mode participation factors, and design results of the bridge.

By using SAP2000 software, you can analyze cable-stayed bridges with different pylon shapes and compare their performance under various loads and conditions. You can also optimize your design by changing the geometry, material properties, section properties, cable properties, load patterns, and design code parameters. You can download a free trial version of SAP2000 software from https://www.csiamerica.com/products/sap2000 and try it yourself. aa16f39245