Friction Bolt and Friction Bolt Self Drilling (innovative)
The friction actuation anchor is an element made with high capacity resistive steel, generated through its high level of resilience. Its sustained quality over time, manufacturing under strict ASTM standards and its high cost-benefit competitiveness, allow its commercialization to customers in Latin America, North America and Europe. In general, this product is used as temporary support, however, it is also used in the fortification of long-term use, since it can have a galvanized coating and given the quality of the steel with which DSI makes it. The variant developed by DSI in the mechanized installation of the Friction Bolt Self Drilling allows to reduce the exposure of people in risk areas during the fortification stage of the excavations, besides the saving in time and a significant reduction of the operational costs, by decreasing the advance cycles.
Injectable Liquid Resins DSI
The liquid resins of DSI are chemically formulated according to the requirements of each particular case. In general terms, these products allow to consolidate rocks or soils of low geotechnical quality and seal and / or divert water infiltrations in the excavations. It is also possible to use them as an anchoring element in the rock anchors, accelerating the times of action by early setting with respect to the cement and filling cavities, taking advantage of its high expansive power. This is done through injections using pneumatically driven pumps. These pumps are lightweight and allow to mix the two liquid components: resin and catalyst.
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