Hydraulic Arm Activity
Awesome
Bridges Activity
Bridge building can be one of the most
frustrating projects for teachers and students. If students are lucky enough to
have their bridge survive the peeling from the wax paper, shifting members
during gluing, warping wood or pasta, storage and assembly, they're usually
not overly proud of the common truss bridge they've created. Awesome bridges
do not suffer from these problems.. The system allows
students to successfully design and build the most modern, creative, testable
structures you've ever seen.

Awesome Bridges will change bridge
building forever.
The Awesome Bridge Building system uses
a widely accepted structural method for joining members; it pins them together.
Most structural engineering calculations assume pined joints between members.
That means that Awesome Bridges test closer to engineered calculations than
traditional model bridges.
The dowels used to pin joints together
also serve as perpendicular members running between the sides of the Awesome
Bridges. They keep the sides aligned and parallel. They also keep the bridge
from twisting during testing (a common problem for model bridges). Dowels also
serve as the perfect attachment point for steel cables (wire).

Students do not need to understand or
identify the forces acting on individual wood bridge members because wood works
well under tension and compression. Awesome Bridges require students to analyze
the forces acting on individual members so they can properly use force specific
members such as tension only cables.
Awesome Bridges are structurally sound
without glue. This means that you can perform testing to determine design flaws,
reengineer the bridge to fix the flaws, and test it again. You can continue to
test and revise the bridge until it is ideal. That's the engineering design
process; a critical engineering process that, until now, has always been absent
from bridge building.

Awesome Bridges come with a
comprehensive set of illustrated documents that take you from design conception
to post-test evaluation. The documents show you how to do everything from
cutting members to making a drilling jig. They
even include bridge layout sheets for alternative designs and scale drawings.
Note: Some of the bridges pictured above
use plastic connector strips. These connector strips are not included with the
kit, but can be purchased separately: Connector
Strips
Activity
Documents
Possible
Engineering Challenges
▪ Design and build a signature bridge to fit into a specific location (perhaps
your community)
▪ Design and build a bridge to survive a natural disaster
▪ Design and build the lowest weight bridge that
will support a fixed load
▪ Design and build a bridge that will support the most weight in
proportion to its dead weight
▪ Design and build a cantilevered structure that will hold a given weight
the furthest distance from its anchor point
The engineering challenge possibilities are endless...
Innovation
Components
Innovation components can be
purchased in addition to the Awesome Bridges Activity to allow for
greater alternative and innovative designs. Only a few
innovation components are usually needed to create alternative designs, so your
supply of innovation components can be used for many bridges. Here are
our recommendations:
▪ 5mm
x 10mm Wood Sticks
▪ Connector
Strips
▪ 5mm
Dowels
▪ Perpendicular
Adaptors
▪ Chip
Board (used to simulate the bridge deck)
▪ Galvanized
Colored Wire
▪ Anything else you can dig up (Raid the recycling bin, wood, metal,
plastic, etc.)
Wood glue is needed for this
activity.
Do you
have the tools to build your bridge?
|