Composite (Glass) Fiber-Reinforced Polymer Reinforcement

 
COMPOSITE FIBER-REINFORCED POLYMER REINFORCEMENT
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Technical Characteristics

Characteristics Reinforcing steel class А-Ш (А400С) ГОСТ 5781-82 Fiber-reinforced polymer rebar (GFRP — glass-fiber plastic, BFRP — basalt-fiber plastic)
Material Steel 35ГС, 25Г2С etc. GFRP — polymer-bound glass fiber 13–16 micron in diameter;
BFRP — polymer-bound basalt fiber 10–16 micron in diameter
Elastic Modulus, MPa 200000 55000-GFRP
71000-BFRP
Ultimate tensile strength, MPa 360 1200-GFRP
1300-BFRP
Stress-strain behavior (“strain vs. deformation”) Curve line with yield strain under load Straight line with strain linear dependence under load up to the breaking
Comparative extension, % 25 2,2-GFRP and BFRP
Corrosive medium resistance Corrodes releasing rust Non-corrosive material of first class of chemical resistance, including alkaline medium of concrete
Density, t/m³ 7 1,9-GFRP and BFRP
Coefficient of thermal expansion αх*10-5/°C 13-15 9-12
Producing profiles 6-80 3.5-12 up to 20 in prospect
Electrical conductance conductive Non-conductive - dielectric
Thermal conduction conductive Non-conductive
Durability According to building standards Predictable durability is not less than 80 years
Ecological compatibility Ecofriendly Do not emit harmful and toxic substances, there’s a sanitary-epidemiological resolution
Length Rod of 6-12 m Any length at client’s request
Economy We can see the growth of metal prices by 67% during last 6 months The economy from replacement of metal reinforcement with FRP is 10-30%. Dynamics of price growth is 2-4% per year
Full-strength frame parameters with load of 25 t/m² With the use of the reinforcement 8А-Ш the size of a cell is 14×14 см. The weight is 5.5 kg/m² With the use of the reinforcement 8GFRP the size of a cell is 23×23 cm. The weight 0.61 кг/м². Weight decreased by 9 times.
Physical and mechanical replacement characteristics of reinforcement 6А-III
8А-III
12А-III
14А-III
16А-III
GFRP-4, BFRP-4
GFRP-6, BFRP-6
GFRP-8, BFRP-8
GFRP-10, BFRP-10
GFRP-12, BFRP-12
Where to use According to building standards According to recommendations of Concrete and Reinforced Concrete Research Institute. Mostly effective for road building for items which work on flexible foundations (road foundations and slopes, asphalt and concrete coating, headwalls, slabs, etc.). Prospective for creating building zones and buildings which will be able to withstand seismic effects.
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