A3-Ye

1. Using the configuration shown in the drawing at the bottom calculate the forces in the truss members using the "Method of Joints" with h & W as defined in the constraints below. And Using the results of the previous truss analysis create a diagram similar to the one below with the forces next to the members or in a table on the diagram with member-to-member (e.g. "C-D") labels

2. Using the online Bridge Designer replicate this analysis

3. Define what you have to do to make the results of the hand analysis correspond to online Bridge Designer


The result of the online Bridge Designer is similar to the hand analysis of part one. The difference is cause by the different scale between hand analysis and online Bridge Designer. The length of the member has been given in the part 1. But the Online Bridge Designer does not have the function that calculates specific number. If the triangles of the online Bridge Designer have the same angle with the triangles in part 1, it should give the same result number.

4. Use the online Bridge Designer to model your Knex Truss

             
5. Define in words how you might use this type of analysis to improve the design your bridge given the testing information about Knex Joints in this web page


The weakest point of the bridge could be found by the truss analysis. Additional piece could be apply on that point and increase the maximum load of the bridge.