YieldPoint introduces d-EXTO, a new super-rugged multi-rod borehole extensometer technology.
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YieldPoint has introduced a WIRELESS WiFi enabled DESTINY moniroing system. Each unit can monitor 4 YieldPoint digital instruments in real time. The system is completely Plug ‘n Play with data being directly written to the instrument_ID (e.g. 110435005).txt file.
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YieldPoints d-REBAR has been successfully proven in both coal and hard rock mines with impressive results. The next stage of the commercialization is to promote this ground-breaking product to mines that have an interest in determining how their support systems perform, and how to optimize them. YieldPoint will provide technical assistance and guidance on the first such project at each mine to ensure that the customer accumulates the maximum value from the instrumentation project.
YieldPoint receives an additional order of d-GMM(DETECT)s from DIAVIK mine to monitor pit slope stability.
YieldPoint’s d-BOLT technology has been used to monitor resin Rebar, cone bolts and Jennmar Yield-Lok Bolts. Pressure cells were also used to successfully measure stress changes in a pillar. The project was coordinated by Vale’s Allan Punkkinen.
4 years ago YieldPoint sold an array of d-GMM(DETECT)s to monitor a challenging situation at Mosaic K2 mine is Esterhazy, SK. The instruments were logged with the very first DESTINY system. 4 years later that system is still running and the mine have just placed a repeat order for more d-GMM(DETECT)s.
The d-TILT (12SG) is a Tiltmeter array based on six (6) dual axis MEMS accelerometers configured in a linear array. The instrument is designed to be inserted in borehole to provide continuous monitoring of tilt as an alternative to repeated manual TILT surveys.
YieldPoint has developed a “groutless” friction based anchoring system for its d-MPBX extensometers. This allows the extensometer to be pushed into the borehole and to lock into position using an array of torsion springs. This innovation is designed for coal and potash mine applications.
YieldPoint has enhanced its d-MPBX technology to accommodate 8-anchor points in its new d
8MPBX borehole extensometer. The device can be provided in lengths between 4m and 15m.
The other partners are Peabody energy and NIOSH. This project will involving installing approximately 100 of YieldPoint’s d
6BOLT instrumented rock bolts, 30 d
8MPBX extensometers and d-TILT(12SG) tiltmeter arrays into 3 coal mines in Illinois and Colorado.
YieldPoint provides d-TILT(EL) instruments to monitor a bridge pier during nearby blasting. The d-TILT(EL) has a range of 1arcdeg and a resolution of 1 arcsec. Pictures of the installation solution used is shown here.
Sauls Seismic uses d-GMM(SPECTRE)s and d-micros connected to d-LOGGERs to monitor a damsite in N. Carolina.
Xstrata's Raglan mine has selected YieldPoint instrumentation including d-MPBXs and d-CABLEs to monitor the back of a large underground stope. The instruments are networked together using a DESTINY network.One major factor influencing the adoption of YP technology was the much higher resolution offered by the product approximately 50x higher than competitor's products.
YieldPoint has provided d-MPBXs, 15m d-CABLEs, d-GMM(SPECTRE)s and d-PLUCKERs to Xstrata's Montcalm mine to monitor large open stopes. The digipluckers were used to monitor Geokon 4911 VW rebars. A module was built into MineScope software to covert the VW output into stress in the pillar.
