Industrial building composite reinforcement - modern material going toward replacement to metal fittings
Production technology: the method of nidltrusion from glass, basalt, aramid and carbon fiber (roving), binding by composite material
|STEEL АIII (А400С)||Composite|
|Ultimate tensile strength||МPа||360÷390||800÷1300|
|Modulus of Elasticity||10³ МPа||200||40÷74|
|Coefficient of thermal conductivity||Вт/(m*К)||46||0.35÷0.50|
|The coefficient of linear expansion||Ax10⁻⁵⁄⁰C||13÷15||9÷12|
|The share equal in strength frame||g/sm ³||7.8||1.8÷2.0|
• Replacement with equal strength: Reinforcement bar Steel АIII 10 mm = 7 mm VOSTEC
• Replacement with equal strength: Reinforcement bar Steel АIII 14 mm = 10 mm VOSTEC
• Replacement with equal strength: Reinforcement bar Steel АIII 20 mm = 14 mm VOSTEC
a) instrumental quality conformance inspection at all times of manufacturing;
b) general automated process all production cycles;
c) nullification of the "human factor “influence of the;
d) automatic alignment of polymerization with the speed of unwinding the roving;
e) automatically controlled regulation of the ratio of initial components of the polymer matrix.
The VOSTEC know-how is an original solution for creating a 3D spatial framework from composite building fittings with the help of which the problem of simplifying the design for composite products, increasing their strength and ensuring a stable build quality and reliability in operation is solved.
The reinforcement thus connected is, in fact, a component that provides the transition from the first reinforcement layer to the second reinforcement layer. This eliminates the need for the use of transitional elements connecting the rods in space.
In addition, the reinforcement, located in the form of a sinusoid, is put into a prestressing state, thereby increasing the ultimate strength.
With a concentrated load applied from above on the middle of the plate, the upper layer of composite concrete is compressed, and the lower one is stretched. Accordingly, the upper longitudinal bars 1 and the upper transverse rods 2 receive the compressive load, and the lower longitudinal rods 3 and the lower transverse rods 4 receive the tensile load.
With an uneven distributed load, the sinusoidal rods 9 due to the formation of stiffeners in the frame cells contribute to the redistribution of the load, increasing the crack resistance of the plate.
The sinusoidal rod 9 at each point of intersection with the longitudinal elements 1-4 creates a reinforcement circuit which, unlike the planar reinforcement, is immediately engaged, since the sinusoidally curved elements impart a pre-stress state to the carcass. At the same time, the main advantage of fiberglass reinforcement is high tensile strength of 1000 MPa, which corresponds to prestressed metal reinforcement, but no special measures are required in the form of mechanical tension or electric heating.
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