Truss Bridge Analysis Using SAP2000 Author : Yoo Mi Hong & Dora May

The SAP2000 is a structural analysis and design program that allows users to create and test a computer animated model of their figure. The program calculates dead loads, resulting forces, moments, deflection, and much more. SAP2000 can be used in various fields from transportations systems to stadiums. For the Rice CEVE 499 independent study course we will use SAP2000 to draft a model of a truss bridge that we intend to build in Nicaragua. These preliminary designs serve to help students visualize the forces that will effect the bridge, increase students ability to calculate forces, and ultimately allow a team of students to decide the best structural design to fabricate in Nicaragua.

SAP2000 integrates several templates, but the user must indicate the distances of the members and the type of material for each member. If the members are not assigned, SAP will use I-beams as a default in bridges. The following ~30ft. bridge in El Salvador was used as a guide for the dimensions of the Nicaragua bridge built in SAP2000.

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