InTents December/January 2020 - 22

events | installation spotlight

Fabricon LLC, Missoula, Mont., designed and
constructed a tent for a research team that
takes ice core samples in Antarctica. Photos by
Tanner Kuhl, Space Science and Engineering
Center, University of Wisconsin-Madison.

Antarctic extremes
International
Achievement Awards
The 2020 International
Achievement Awards (IAA) will
open for entries on March 5,
2020. The deadline to submit
projects is June 30, 2020. For
information, visit iaa.ifai.com.

22 intents

dec 2019-jan 2020

A tent designed for Antarctic conditions allows researchers to work
through cold temperatures and high winds.
he Space Science and Engineering
Center at the University of Wisconsin−
Madison deploys ield research teams
to Casey Station, a permanent base and
outpost on the eastern coast of Antarctica,
from September to March. While studying
atmospheric changes, the research
team takes ice core samples using a drill
supported by a tripod frame.
The drill sites are remote, and weather
can be severe. Because of the conditions
they encounter, team members desired
a shelter that would allow them to work
regardless of the weather. Researchers
turned to Fabricon LLC of Missoula,
Mont., to design and fabricate a tent large
enough to contain a two- to three-person
crew and all of the team's equipment,

T

including the drill's 20-foot-tall tripod
frame. The structure needed to be light,
simple, quickly deployable and designed
to handle 60-knot winds and heavy
snow loads. Researchers travel to the
sites on snowmobiles towing small sleds
loaded with equipment and supplies, so
the tent components needed to be able
to be transported that way too.
In designing the tent, Fabricon employed a split bale ring to support and
tension the fabric from the top of the
membrane. The fabric was suspended
to two opposing symmetrical arches
supported by two smaller door arches,
forming a conical hypar with wings.
Guy ropes attached to points on the
membrane and bale ring. The ropes


http://iaa.ifai.com

InTents December/January 2020

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