Shear tension conversion flexible yielding anti-shearing anchor rod and construction support method thereof
A bolt and flexible technology, which is applied in the installation of bolts, earth square drilling, mining equipment, etc., can solve the problems of high tensile strength, low shear strength, and easy shearing of the rod body, and achieve high shear resistance and high The effect of tensile strength
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[0026] Such as Figure 1-Figure 4 As shown, the shear-tension conversion flexible compression-reducing shear anchor rod of the present invention includes an anchor rod attachment, a shear-tension conversion flexible compression-reduction combined structure 6, a first rebar 5 and a second rebar 17; anchor attachment settings At the rear end of the second threaded steel rod body 17;
[0027] The shear-tension conversion flexible compression-compression combined structure 6 includes a steel protective tube 10 and a steel strand 9 arranged in the steel protective tube 10. The inner walls of the front and rear ends of the steel protective tube 10 are both provided with internal threaded sections 7. The outer circle of the rear end of the threaded steel rod body 5 and the outer circle of the front end of the second threaded steel rod body 17 are both provided with external threaded sections, and the outer threaded section at the rear end of the first threaded steel rod body 5 extends i...
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