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众多的混凝土及钢筋混凝土建筑物由于工程老化、强度不足而破坏需要修复。如何选择结构补强材料是个重要问题。研究表明:在原结构表层包覆玻璃钢后,各相材料能够形成新的统一体而协同工作,不仅可以大幅度地提高其结构强度,而且能充分利用原结构的刚度与尚存强度。试验和实践证明玻璃钢作为轻型建筑物的表层补强材料是经济合理的。一、玻璃钢的特性玻璃钢(玻璃纤维增强塑料)是以玻璃纤维为增强材料,合成树脂为基体复合而成的一种新型工程材
Numerous concrete and reinforced concrete buildings are damaged due to aging and lack of strength and need to be repaired. How to choose structural reinforcement materials is an important issue. The research shows that after coating the glass fiber reinforced plastic in the surface of the original structure, each phase material can form a new unitary body and work together, not only can greatly increase its structural strength, but also can fully utilize the original structure’s stiffness and survivability. Experiments and practices have proved that FRP is economically reasonable as a surface-reinforcing material for light buildings. 1. Characteristics of FRP FRP (Glass fiber reinforced plastic) is a new type of engineering material made of glass fiber reinforced material and synthetic resin matrix compounded.