threadbar Anchors
are available in 1" (26 mm), 1-1/4" (32 mm) and 1-3/8" (36 mm) nominal diameter, in lengths up to 60 feet (18.3 m) without couplers, with a guaranteed minimum ultimate tensile stress of 150 or 160 ksi ( or MPa).
Special steels for high impact, seismic and low temperature applications can be made available on special order.
Prestressed rock and soil anchors have become an important tool for the Tunneling engineer. Their safe and reliable use in both permanent and temporary applications is accepted throughout the world.
Rock Anchors are post-tensioned bars installed in drilled holes for which at least the entire bond length is located in rock. The anchor force is transmitted to the rock by bond between the grout body and the rock. Rock anchors can remain unbonded in the free stressing length allowing the anchor to be checked and retensioned at any time. In such cases, adequate corrosion protection for the stressing anchorage and the free stressing length must be provided. On the other hand, the free stressing length can also be fully grouted after the anchor has been stressed, in which case force adjustment is no longer possible.
As a full service organization, DSI Underground is prepared to supply design assistance and practical field know-how. This service can also be used to optimize the design process by helping to select the anchor system best suited to meet specific project requirements. The regional warehouse and fabricating centers strategically located throughout North America, coupled with an extensive network of local sales/service centers, provide prompt, reliable response to customers needs. Most orders can be supplied from inventory with short lead time. To minimize site labor and to optimize quality control, a variety of shop prefabricating services are available for both bar and strand anchors.
In many cases, the anchors can be delivered to the site ready for immediate installation without the need for site assembly. The application of corrosion protection grouting at the job site can also be minimized and in many cases, completely eliminated, saving time and money. In some locations both supply and installation, including drilling services, are available for any size project.
Whatever you need, you can count on DSI Underground for quality from start to finish. The dedication of our staff to quality and service will help you complete your project successfully and on time.
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