I-shaped concrete support component for mining

Disclosed is a mine-use I-shaped concrete bracket component with an I-shaped cross section. Steel wires are arranged inside the concrete; the diameter fai of the steel wires is 5 to 12 mm; the distance between the steel wires is 8 to 12 mm; the steel fibers with the cubage equivalent to 6-10% of the cubage of the concrete are added into the concrete; the edge of the cross section of the utility model is 8 to 12 cm in width and 12 to 18 cm in height; the waist edge of the cross section is 5 to 7 cm in width and 4 to 6 cm in height. The utility model is high in supporting structure intensity and has the characteristic of vertical-horizontal bidirectional retraction, which is provided with strong bearing capability and good setting load and can prevent the abscission of the roof plate without damaging the roof plate; the component which is simple in structure and convenient in mounting and withdrawing is fire proof, explosive-proof, damp-proof and strongly durable; after the tunnel is supported, no maintenance i