W straps are important surface supporting components. When they cooperate properly with inner supporting components, such as rock bolts and cable bolts, they can enhance the supporting effects and bridging bolting units with integrity.
features
1.W” Strap is commonly used when additional support is required in conjunction with mesh and rock bolts. These steel straps are pulled into the rock surface by the bolts and tend to conform to the rock
2.“W” Strap provide a large surface to confine any loose rock that may form between installed rock
“W” Strap have a range of supply options being:
* Multi-hole (300mm apart) centers or “Set Holes” to suit individual；
* Note that 50mm hole diameter is standard, other hole diameters are available by
* Domed Plates of Flat Plates can be supplied welded to individual holes along the “W” strap as required for an additional
* Steel Mesh sheets can be supplied welded to the underside of these “W” Straps also at a additional
* Corrosion protection may be provided by hot dip galvanizing (Galvanized “W” Strap is also available as required.
Physical Dimensions
application
The W strap can be combined with various anchor bolts to form an anchor plate support. The W strap connects multiple scattered anchor bolts to form an overall load-bearing structure through the W steel strip. The W strap is widely used in coal mine underground tunnels, working face cuts, chambers, and other fields of tunnel support, and has better effects on handling unstable surrounding rocks.
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