FIELD: construction.
SUBSTANCE: pneumatic beam includes lower metal chute and canted upper chute made of elastic material. Lower and upper chutes are solidly and tightly connected to each other by means of longitudinal edges. Support metal caps are tightly put on joined ends of chutes. Internal cavity of beam is filled with compressed gas.
EFFECT: increased bearing capacity.
2 dwg
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Authors
Dates
2009-04-20—Published
2007-12-14—Filed