Method for producing reinforcement elements from fibre-reinforced plastic

摘要

A method for manufacturing a reinforcing member (2) consisting of fiber-reinforced plastic for mineral construction materials, in particular for concrete. In the method, curing the composite fiber rod (1) takes place in at least three stages (7, 16, 25) sequencing one after another, wherein after the first stage of curing (7) at least one radiation-reflecting and/or thermally-insulating covering agent (15) is applied onto the pre-cured composite fiber rod (1), wherein a second stage of curing (16) of the composite fiber rod (1), together with the covering agent(s) (15) applied is executed, in which the composite fiber rod (1) is further cured in the regions (14) not covered by the covering agents (15) by the supply of heat and/or radiation, and wherein the deformation (23) of the composite fiber rod (1) is executed between the second stage of curing (16) and the final stage of curing (25).

主权项

1. A method for the manufacture of a reinforcing member (2) consisting of fibre-reinforced plastic for mineral construction materials, in particular for concrete, comprising the following steps:
a multiplicity of fibres (3) is impregnated with plastic, the fibres (5b) enclosed by plastic are pre-cured in a first stage of curing (7) by the supply of heat and/or radiation to form a composite fibre rod (1), if necessary, the composite fibre rod (1) is cut to the length that is desired for the reinforcing member (2), the pre-cured composite fibre rod (1) is brought into a shape desired for the reinforcing member (2), the composite fibre rod (1) is cured in a final stage of curing (25) by the supply of heat and/or radiation,characterised in thatthe curing of the composite fibre rod (1) takes place in at least three stages of curing (7, 16, 25) sequencing one after another,in that after the first stage of curing (7) at least one radiation-reflecting and/or thermally-insulating covering agent (15) is applied onto the pre-cured composite fibre rod (1), over at least one individual section (13) of the composite fibre rod (1), which covering agent covers the composite fibre rod (1) on the said at least one section (13) over at least a part of its periphery, wherein a second stage of curing (16) of the composite fibre rod (1), together with the covering agent(s) (15) applied on some sections, is executed, in which the composite fibre rod (1) is further cured in the regions (14) not covered by the covering agents (15) by the supply of heat and/or radiation, and in that the deformation (23) of the composite fibre rod (1) is executed between the second stage of curing (16) and the final stage of curing (25).