FIELD: construction.
SUBSTANCE: composite reinforcement includes load-carrying rod that is laminated and includes inner core and next layers; at that, layers have spiral winding; direction of windings on various layers can be various. Spiral windings can be single- or multi-turn. Outer layer of load-carrying rod or its part can be of other colour. External part of load-carrying rod can be provided with addition of fire retarders.
EFFECT: simpler manufacture and higher operating reliability.
4 dwg
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Authors
Dates
2011-12-20—Published
2010-02-01—Filed