Reference
assembly
step
A
Reference
assembly
step
B
Reference
assembly
step
A
Reference
assembly
step
B
B
A
Follow the
general tips for
model refinements on
the inside back cover to
finish your model.
21
22
23
Done!
OLYMPIC STADIUM
HERE’S HOW
Count the number of points at which the
flexible rods connect to each other in the
middle of the stadium model.
Irregular structures
WHAT’S HAPPENING
The flexible rods connect together at 14 points. Each flexible rod is
connected to at least one other flexible rod in the middle. This creates
a truss system that turns the flexible rods into a rigid structure. The
model is based on the Beijing National Stadium in China. It is
nicknamed the Bird’s Nest because of its irregular configuration of
steel beams that resembles the intertwined twigs of a bird’s nest.
Complex computer modeling was required to analyze the forces
acting on the irregular beams of the stadium.
Rotate the model 180 degrees to
work on the other end.
Architectural Engineering
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