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SupHulk Swell Friction Rock Bolt Systems

SupHulk Swell Friction Rock Bolt Systems

Features

The SupHulk TM rock bolt is sealed at one extremity; the other extremity is equipped with a special head bushing used for inflation. The expansion of the bolt, inside the borehole, creates a friction and interlocking anchor, which provides full column support and support on the whole length of the borehole.

Due to this anchorage mechanism, the SupHulk TM bolt can adapt to a wide variety of rock conditions and provides good to excellent anchorage capacity. The steel profile can adapt shear movements without failure.

The simplicity of the system can explain its performance. The operator simply drills a hole in the rock, inserts the bolt and then inflates it to a pre-determined pressure using a specially designed inflation system.

The pump stops when reaching the recommended inflation pressure that guarantees the quality of the installation. SupHulk TM rock bolts can easily be pull tested at any time to control performance.

 
SupHulk TM rock bolt

 

1  SupHulk TM net washer for screening

2  Bridges gaps in the rock

3  Allows major shear movements in medium to soft rocks

4  Adaptability to the bore hole‘s irregularity

5  A 50 cm long inflated bolt can develop 100 kN friction

6  Friction and inter-locking support of the whole length

 

 

 

 

 

The SupHulk TM rock bolt is sealed at one extremity; the other extremity is equipped with a special head bushing used for inflation. The expansion of the bolt, inside the borehole, creates a friction and interlocking anchor, which provides full column support and support on the whole length of the borehole.

 

Due to this anchorage mechanism, the SupHulk TM bolt can adapt to a wide variety of rock conditions and provides good to excellent anchorage capacity. The steel profile can adapt shear movements without failure.

 

The simplicity of the system can explain its performance. The operator simply drills a hole in the rock, inserts the bolt and then inflates it to a pre-determined pressure using a specially designed inflation system. The pump stops when reaching the recommended inflation pressure that guarantees the quality of the installation. SupHulk TM rock bolts can easily be pull tested at any time to control performance.

 

SupHulk TM rock bolt

 

Application

SupHulk TM rock bolts are extremely versatile and can be used in various tunneling and mining systems.

An application in tunneling is to use SupHulk TM as pattern bolts to support an excavation. The bolting pattern depends on the size of the excavation and qualities of the rock mass.

In mining, common applications like roof and hanging wall bolting have adopted SupHulk TM as a rapid, safe and high-performance device.

With various capacity ranges (110 kN, 160 kN, 240 kN) the SupHulk TM rock bolts can be used in most reinforcement and support applications. They can also be used either in mines or in civil engineering applications, and their specific mechanical properties will provide the requested safety and performance.


SupHulk TM rock bolt

 

 
 

 


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