GFRC (Glass Fiber Reinforced Concrete) Properties

GFRC (Glass Fiber Reinforced Concrete) Properties

The design of GFRC panels proceeds from a knowledge of its basic properties under tensile, compressive, bending and shear forces, coupled with estimates of behavior under secondary loading effects such as creep, thermal and moisture movement. There are a number differences between structural metal and fiber-reinforced (GFRC) composites. For example, metals in general exhibit yielding and plastic deformation whereas most fiber-reinforced (GFRC) composites are elastic in their tensile stress-strain characteristics. However, the dissimilar nature of these materials provides mechanisms for high-energy absorption on a microscopic scale comparable to the yielding process. Depending on the type and severity of external loads, a composite laminate may exhibit gradual deterioration in properties but usually would not fail in catastrophic manner. Mechanisms of damage development and growth in metal and composite structure are also quite different. Other important characteristics of many fiber-reinforced (GFRC) composites are their non-corroding behavior, high damping capacity and low coefficients of thermal expansion.
Glass fiber reinforced concrete (GFRC) architectural panels have general appearance of pre-cast concrete panels, but are different in several significant ways. For example, GFRC panels will, on the average, weigh substantially less than pre-cast concrete panels due to the GFRC’s reduced thickness. The low weight of GFRC panels decrease superimposed loads on the building’s structural components. The building frame becomes more economical.

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