| 摘要 |
An I-beam structure is made from discarded tire belts wherein the beam web is constructed from two car or truck tire belts joined centrally along their lengths tread to tread. Flange members are made of a single ply of truck tire belts joined end to end or of a two ply laminated structural material wherein each ply is a continuous car tire belt, and the two plies are bonded tread to tread along their lengths. The flange forming members are attached to the web by adhesive or vulcanization bonding which may be reinforced with mechanical fasteners.
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