Drainable self-drilling grading yielding anchor rod and supporting method thereof
A yielding bolt and self-drilling technology, applied in drainage, bolt installation, earthwork drilling and mining, etc., can solve problems such as large deformation of soft rock, construction, adverse effects of permanent operation of supporting lining scheme projects, etc., to achieve extension The effect of large amount, improved support efficiency and high support strength
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[0032] The present application will be further described below in conjunction with the examples, but it should not be understood that the scope of the subject matter of the present application is limited to the following examples. Without departing from the above-mentioned technical ideas of the present application, various replacements and changes made according to common technical knowledge and conventional means in this field shall be included in the protection scope of the present application.
[0033] see Figure 1 to Figure 4 As shown, the technical solution of the present application is described as follows.
[0034] A drainable self-drilling graded yielding anchor, the yielding anchor includes a high-strength rod body 1, a high-strength damping nut A2, a high-strength damping nut B6, a high-strength backing plate, a yielding pipe 8, and a drill bit 9; The center of the high-strength backing plate is provided with a through hole; the lower end of the high-strength rod ...
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