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Final Project

Primary Tasks

Assumptions/ Constraints

Different Types of Trust Styles:

Materials to Build Model:

Manila file folders, wood glue, rulers, scissors, close pins, rubber cement glue, and pins

Criteria to Pick a Truss:

Factor of Safety

-must be a deck truss, so the deck must be located at the level of the top chord

-must be simple enough to be build to minimize cost

- must be pleasing to look at

Forces of Members

1) Choose Truss Style to Be Used

2) Determine Size and Types of Members to Use

3) Construct Bridge

4) Present Results

2.0

Dimensions

Span- 60 centimeters

Road Width- 11 centimeters

Design Load

6 kilogram

Calculating all the Forces

Example Calculation: Point G

Alternative Designs to Choosing the Howe Bridge

Work Schedule

Double Intersection (Warren)

We first chose the double intersection (warren) but this was not the best design due to cost efficiency and the heavy weight of the members.

Givens:

Final Design Plan

1 kg. placed on points E, D, C

We decided to choose the Howe Bridge because it is very cost effective compared to the double intersection due to the fact that there are less members.

Rg: 1.5 kg.

Ra: 1.5 kg

Design Objective

To design a scale model bridge for the Town of Hauptville, in place of the Grant Road Bridge that was damaged after an accident in which a vehicle collided with one of the end posts on the west end of the bridge

Objective Explained

The scale model bridge will be designed as a deck truss bridge using manila envelopes.

Bridge Design for the Town of Hauptville

Design Team: Thayer Associates:

Shaya Nehme, Leyna Tobey,

Chelsea Anderson, Amy Byrnes

Amos Muma, Rebecca Catania

Bridge Design Project:

Town of Hauptville

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