A truss bridge is a bridge whose load-bearing superstructure is composed of a truss , a structure of connected elements usually forming triangular units. The connected elements typically straight may be stressed from tension , compression , or sometimes both in response to dynamic loads. Truss bridges are one of the oldest types of modern bridges. The basic types of truss bridges shown in this article have simple designs which could be easily analyzed by 19th and early 20th-century engineers. A truss bridge is economical to construct because it uses materials efficiently.
Popsicle Bridges - How to Build a Popsicle Stick Bridge
4 Engineering Challenges for Kids (Cups, Craft Sticks, and Cubes!) - Frugal Fun For Boys and Girls
Simple materials, and yet we have been having a blast building all kinds of amazing structures with them. This week, we are exploring with the sense of touch. Who knew that craft sticks, cubes, and cups could be so interesting? Extend the play and learning with these fun engineering challenges. Yes, just one cube!
Bridges are essential to our nation's infrastructure. A simple bridge can be made by spanning a gap with planks. As the gap becomes wider, however, the planks will begin to sag excessively even under the weight of a person. If the bridge is longer still, the planks may break.
DIY fairy gardens: Our complete list of ideas. Miniature and Fairy garden ideas-Easy printable list of all our fairy garden ideas. Popsicle stick fencing.