[Retracted] Finite Element of Nanoscale Carbon Fiber-Reinforced Concrete Bridge Engineering Monitoring Based on Data Mining Technology

Table 1

Commonly used fiber materials.

Fiber category	Fiber variety
Metal fiber	Carbon steel fiber, stainless steel fiber, metal glass fiber, steel wool
Glass fiber	Alkali-resistant glass fiber, coated glass fiber
Synthetic fiber	Vinylon fiber (PVA), acrylic fiber, polypropylene fiber, nylon fiber, ethylene fiber, aramid fiber
Natural organic fiber	Wood fibers, stalk or bast fibers, leaf fibers, epidermis fibers
Carbon fiber	Carbon fiber
Other fibers	Man-made inorganic fibers, natural mineral fibers