Reinforce your mine’s structural integrity and safeguard your personnel from incidents relating to unstable ground and rock-fall through our range of sophisticated strata management and monitoring tools. As unstable ground, particularly around openings, and rock-fall continue to be major safety concerns in underground operations, monitoring the structural integrity of your mine through advanced, early warning systems and tools is key.

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At Trolex, we supply high-quality, strain gauge instrumented rock bolts, designed to measure strains close to the skin of underground openings and other critical areas of the mine. And, by placing rock bolts close together, strain gradients can be determined, unstable ground detected - and the majority of rock-falls avoided.

Instrumented rock bolts are designed to reinforce rocks in mine and tunnelling operations by limiting the loosening of blocks of rock out of a larger rock mass and prevent displacements.

To ensure maximum protection of personnel and accurate recording of rock movement and the surrounding environment, instrumented rock bolts are normally placed in an array across an excavation as part of the standard bolt pattern and are typically at the face of the excavation as part of the normal support cycle.

Pairs of strain gauges are embedded at regular intervals along each bolt enabling the axial loads and bending moments to be measured along its full length. Then, once embedded, you can combine our strain gauge instrumented rock bolts with our strain gauge monitoring systems to provide you with a complete overview of the mine’s structural integrity.

Proven in both harsh mining and civil engineering projects with 1000s of instruments in-situ around the world, the RMT|Trolex strain gauge instrumented rock bolts are an essential part of your underground safety, delivering exceptional structural support for your mining and tunnelling operations and drastically reducing the risks to your personnel.

For more information on our instrumented rock bolts, download the datasheet or contact us now.

Our Products

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SG STRAIN GAUGE ROCKBOLTS

Rugged and robust instrumented rockbolts with the option of multiple strain gauge pairs.

 

 
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SM02 STRAIN GAUGE METER AND LOGGER

A rugged construction unit designed to read and record data from multiple strain gauges.

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PRODUCT HIGHLIGHTS

Electronic telltale system for up to 400 instruments providing a low-cost mine-wide strata-monitoring solution

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