Abstract: Reinforcement bars for concrete structures, comprising continuous, parallel fibers, made of basalt, carbon, glass fiber, or the like, embedded in a cured matrix, each bar being made of at least one fiber bundle comprising a number of parallel, cylindrical cross section fibers and said bars being provided with a surface shape and/or texture which contributes to good bonding with the concrete. Part of the surface of each bar being deformed prior to or during the curing by: a) strings of an elastic or inelastic, and/or b) at least one deformed section of each reinforcement bar; thereby producing a roughened surface.

Abstract: Reinforcement bars for concrete structures, comprising continuous, parallel fibers, made of basalt, carbon, glass fiber, or the like, embedded in a cured matrix, each bar being made of at least one fiber bundle comprising a number of parallel, cylindrical cross section fibers and said bars being provided with a surface shape and/or texture which contributes to good bonding with the concrete. Part of the surface of each bar being deformed prior to or during the curing by: a) strings of an elastic or inelastic, and/or b) at least one deformed section of each reinforcement bar; thereby producing a roughened surface.

Abstract: A reinforcement system for concrete structures, comprising a first set of reinforcement elements configured to be connected to and co-functioning with a second set of reinforcement elements, each of said first and second set of reinforcement elements comprises each a number of more or less uniformly shaped units, intended to be tied together' the first and/or second set of reinforcement elements being made of basalt or carbon fibers, embedded in a suitable matrix. At least the units forming said first set of reinforcement elements are delivered to the construction site in a flat packed, compact state, each unit of said first reinforcement elements being configured to be stretched out into longer lengths when placed in situ and preferably being interconnected to at least several of the other units of said first reinforcement elements by means of at least one flexible or foldable, more or less continuous band.

Abstract: Reinforcement bars for concrete structures, comprising continuous, parallel fibers, made of basalt, carbon, glass fiber, or the like, embedded in a cured matrix, each bar being made of at least one fiber bundle comprising a number of parallel, cylindrical cross section fibers and said bars being provided with a surface shape and/or texture which contributes to good bonding with the concrete. Part of the surface of each bar being deformed prior to or during the curing by: a) strings of an elastic or inelastic, and/or b) at least one deformed section of each reinforcement bar; thereby producing a roughened surface.

Abstract: A reinforcement system for concrete structures, comprising a first set of reinforcement elements configured to be connected to and co-functioning with a second set of reinforcement elements, each of said first and second set of reinforcement elements comprises each a number of more or less uniformly shaped units, intended to be tied together, the first and/or second set of reinforcement elements being made of basalt or carbon fibers, embedded in a suitable matrix. At least the units forming said first set of reinforcement elements are delivered to the construction site in a flat packed, compact state, each unit of said first reinforcement elements being configured to be stretched out into longer lengths when placed in situ and preferably being interconnected to at least several of the other units of said first reinforcement elements by means of at least one flexible or foldable, more or less continuous band.