Stainless composite reinforcement (fiberglass reinforcement) has a range of advantages over the usual metal one. The main advantages are its resistance to corrosion, tensile strength, much lower weight and price.
This type of the reinforcement can be used in temperature range from -70°C to +100°C. Fiberglass reinforcement was developed in 1970s in the USSR; a few objects were built with use of only this type of reinforcement. One of them is a lighthouse in Sochi built about 40 years ago, which still functions without any complaints.
At that moment the main problem was the high price of fiberglass relatively to the metal analogue. Fiberglass reinforcement got its new life these days when the situation became opposite to the one 40 years ago. Metal becomes more and more expensive every year whereas fiberglass becomes more and more affordable and easily accessible. According to the predictions of the analysts composite reinforcement soon will become one of the most popular materials in building/constructon.
Composite reinforcement is intended for the use in concrete constructions with stressed and nontensioned reinforcement instead of the usual metal reinforcement. Advantages of the fiberglass reinforcement enable one to use reinforcement of the smaller diameter relatively to its metal analogue.
Another advantage is its weight: fiberglass reinforcement is 5-9 times lighter than the metal one. Using this fact companies can save money on transportation expenditures. In the European countries this type of reinforcement is widely used in construction of the important objects such as bridges through water canals. It is resistant to the humidity and consequently prolongs the life of such bridge in comparison with a steel construction.
Fiberglass reinforcement is produced with different diameters from 4mm to 40mm for any length specified by client. The main difference of the composite reinforcement produced by the OOO “NPO Stekloplastik” (member of the Group of Companies “Basalt”) is the unique compound developed by our German colleagues. The uniqueness of this compound is in its higher ignition temperature which makes the whole construction with use of our reinforcement, e.g. floor slab, more resistant to the fire.
Properties of the fiberglass reinforcement
|- Stainless material;|
|- Acid resistant reinforcement;|
|- Is a dielectric;|
|- Is not heat-conducting;|
|- Fiberglass reinforcement is much lighter than the metal analogue;|
|- Inert magnet;|
|- Stands for ultralow temperatures;|
|- Strength is 3 times higher than in case of the steel reinforcement of class A III;|
|- Any length;|
|Characteristics||Metal reinforcement of class AIII (А400С)||Composite reinforcement "NPO Stekloplastik"|
|Material||Steel||Glass roving bound by the polymer based on the epoxy resin|
|Ultimate strength under tension, MPa||390||1 350|
|Modulus of elasticity, МPа||200 000||56 000|
|Percentage elongation, %||25||2,2|
|Coefficient of heat conductivity, W/(mּ0С)||46||0,35|
|Linear expansion coefficient, αх10-5/0С||13-15||9-12|
|Corrosion resistance to aggressive mediums||Attacked by corrosion||Stainless material|
|Thermal conductivity||Heat-conducting||Not heat-conducting|
|Electrical conduction||Conducting||Dielectric (not conducting)|
|Produced profiles||6 - 80||3 - 40|
|Length||Bars with 6-12m length||According to the client specification|
|Ecological compatibility||Ecological||Not toxic. In terms of degree of influence to the man’s organism and environment belongs to the danger class 4 (low-hazard)|
|Operating life||According to the construction standards||Predicted durability is no less than 80 years|
|Replacement of the reinforcement by physicotechnical properties||6 АIII||4 АСП|
|8 АIII||6 АСП|
|10 AIII||7 АСП|
|12 АIII||8 АСП|
|14 АIII||10 АСП|
|16 АIII||12 АСП|
|18 АIII||14 АСП|
|20 АIII||16 АСП|
|Weight, kg. (full-strength replacement)||6 А-III - 0,222||4 АСП – 0,02|
|8 А- III – 0,395||6 АСП – 0,05|
|10 A-III – 0,617||7 АСП – 0,07|
|12 А-III – 0,888||8 АСП – 0,08|
|14 А- III – 1,21||10 АСП – 0,12|
|16 А- III – 1,58||12 АСП – 0,20|
|18 А- III – 2,0||14 АСП – 0,26|
|20 А- III – 2,47||16 АСП – 0,35|