Shandong Tongrui Mining Technology Co., Ltd.
Main products:Rock Bolt,Friction Bolt,Cable Bolt,Thread Bar Bolt,Mining Plate
Products
Contact Us
  • Contact Person : Mr. wang yunlai
  • Company Name : Shandong Tongrui Mining Technology Co., Ltd.
  • Tel : 86-538-6366599
  • Fax : 86-538-6366597
  • Address : Shandong,taian,No.7 in North Road of Manzhuang Steel Market
  • Country/Region : China
  • Zip : 271000

Anchor Bolt For Tunnel Supporting

Anchor Bolt For Tunnel Supporting
Product Detailed
Rock bolt 1.Material: steel 2.Fuction : used as rock bolt 3.Diameter : 33mm 39mm 42m

Rock bolt

Rock bolt  is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever .

 

1.FEATURES :

(1)Split Sets Bolt is made from high strength steel tube that is a slotted steel tube, with one end tapered tip for easy insertion into a drill hole. The other end has a welded ring for holding the bearing plate. A ring, or collar, is welded on the outer end to hold a domed plate to the rock surface.

(2)Provide support in radial and axial direction .a

(3)The bolt is inserted into a hole slightly ,the diameter of hole is smaller than the tube. When drive the rock bolt into the hole, the tube of bolt is compressed and the slot is partially closed ,that make the strata and the bolt be a whole body,.all strain of bolt wiill support to the strata tightly. When surrounding rock is shaked by explosion, anchor capacity increasesed higher and supporting effect is perfect.

(4)Fast and easy installation with hand held or mechanized equipment .

(5) Be used in a variety of ground conditions for immediate ground support, but is not suitable for very soft strata and permanent support.

2.PROPERTY:

SERIESSPECIFICATIONBEARING CAPACITY (kn)HIGH-STRENGTH PLATE(Spherical)LENGTH(mm)
SIZE(mm)BEARING CAPACITY (kn)
MF-3333×2.5100120×120×5.0≥100914-3000
33×3.0120120×120×6.0≥120914-300
MF-3939×2.5130150×150×5.0≥1501200-3000
39×3.0150150×150×6.0≥1801200-300
MF-4242×2.5140150×150×5.0≥1501400-3000
42×3.0160160×150×6.0≥1801400-300
MF-4747×2.5150150×150×6.0≥1801600-3000
47×3.0170150×150×6.0≥1801600-3000

Anchor Bolt For Tunnel Supporting



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