Common in the case of bolt↔• construction site, ∑♠divided into multiple anch™"​♦or. However, we know ™​¶how much you tube sewn anchor?
Pipe seam-bolt is a full length nove≠→πφl active strengthening the surrounding ‌₩₽rock bolt, it is three-dime>→¶∏nsional part of a the longitudina♠♥l slit high strength stβ↑♥♥eel pipe, when installed in slight₩♣ly smaller than the diameter of the bo×γrehole, immediately the radia>£•€l pressure is applied ☆₽δwithin the entire length ₹☆of the bore wall and  < prevent friction Surrounding decε♦line, coupled with the supporting fo ₽★±rce of the bolt tray pallet, €‌so that the surroundin∞‍σg rock in the three-force state.≈π$✔ As in the case of blasting vibrat¥®₩≠ion surrounding rock anchor shift±" late anchoring force has >∞€©significantly increased when the ≠☆↔♠surrounding rock occurrence of signifi××cant displacement, the →§•anchor does not lose its s™™®upport resistance, it has better feat≤♣ures than up the shell and bolt.
Tube slotted bolt ma π≥≈in performance and specifications:≤ ε
1, the main technical perf εφormance
(1) The initial of anchoring forc‌​×‌e: 3 to 7 tons;
(2) pipe ring pull-o☆₽ ff load: 8 to 10 tons;
(3) anchor tube tensile bre≥§aking capacity: 12 to 13 tons;
(4) corrosion resist×★♣ance than the A3 steel high ©♣₽<20 to 30%, is conduci¥​ε↓ve to long-term use.