FIELD: construction.
SUBSTANCE: reinforcement element for prestressed concrete structures comprising a roving from continuous mineral fibres is arranged in the form of longitudinal lengthy basalt and/or carbon fibres assembled into a tape cord with thickness of not more than 2 mm while fibres have thickness of 5-50 mcm, or threads from them, with fibre density in the cord section equal to 2-10 K tex and tensile strength of 0.6-4.0 GPa.
EFFECT: development of a high-technology non-metal reinforcement element for prestressed concrete structures with the possibility of tensioning with a force of up to 400-1000 MPa, with higher module of tensile elasticity, fire resistance and high extent of adhesion to the concrete matrix, reduced labour intensiveness of end anchor grips formation.
6 cl, 5 dwg
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