Method for producing glass fiber reinforced plastic anchor pole

Abstract

The invention discloses a method for producing a glass fiber reinforced plastic anchor pole, especially a method for producing a highly torsion-resistant, anti-shearing prestressing glass fiber reinforced plastic anchor pole, comprising the following steps of: mixing unsaturated polyester resin, nanometer mullite, aluminium hydroxide, polyurethane, zine stearate, white carbon black, methylethyl ketone peroxide, TBPB and a mould release agent according to a mass ratio in a resin solution groove with stirring to produce a resin solution, followed by vacuum-pumping and bubble-removing; towing glass fibres from a filament rack, twisting the glass fibres on a twisting support to form a twist of 10-30 degrees by rotating and towing the twisted glass fibres into the resin solution groove for impregnation; towing the twisted and impregnated glass fibres into a cone-shaped sleeve for folding and bundle-forming as well as preforming; finally continuously towing the folded bundles of glass fibres into a hot pressing die, followed by molding at the temperature of 160-180 DEG C. The method provided by the invention is simple, and the anchor pole produced by the invention has high torsion-resistant and anti-shearing performance as well as low cost.

Description

technical field

[0001] The invention relates to a production method of a fiberglass anchor rod, in particular to a production method suitable for a high torsion-resistant, shear-resistant prestressed fiberglass anchor rod. Background technique

[0002] FRP bolts generally use resin glue as the matrix phase and glass fiber as the reinforcing phase. It is an advanced composite material. It not only has unique and superior properties such as corrosion resistance, light weight, easy cutting without sparks, but also has high Excellent tensile strength and good anchoring performance; it not only helps to improve the reliability and durability of engineering support, but also helps to reduce hidden dangers of accidents and ensure production safety; it can also reduce production costs and improve production efficiency. FRP bolts are widely used in the support of tunnels, roadways and ramps in the construction process of mining, roads, railways, water conservancy, municipal engineeri...