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Supreme Machinery is a professional manufacturers and suppliers in China. Our factory provides stainless steel casting, post tension anchorage, expansion shell anchor bolt,etc. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. We take high quality, reasonable price and perfect service.
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Mining Expansion Shell Anchor Bolt
As the professional manufacture, we would like to provide you Mining Expansion Shell Anchor Bolt. Rock bolt, in tunneling and underground mining, steel rod inserted in a hole drilled into the roof or walls of a rock formation to provide support to the roof or sides of the cavity. Rock bolt reinforcement can be used in any excavation geometry, is simple and quick to apply, and is relatively inexpensive. The installation can be fully mechanized. The length of the bolts and their spacing can be varied, depending on the reinforcement requirements.
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Mining and Tunneling Expansion Shell Anchor
Mining and Tunneling Expansion Shell Anchor geometry showing the internal and external forces Eq. (1) indicates that the friction angle for the interface between the cone and the inner leaf surface must be less than the friction angle for the interface between the outer shell and the rock by an amount greater than the taper angle of the cone and inner leaf interface. In many cases, this condition is unlikely to be achieved because anchors are manufactured from cast components with an inherent roughness; the friction angle associated with this less than smooth surface is then often increased following zinc coating.
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Expansion Shell Bolt
You can rest assured to buy Expansion Shell Bolt from our factory and we will offer you the best after-sale service and timely delivery. Expansion shells bolt is used for fixing single-sided shuttering or similar structures in rock, concrete or comparable load-bearing ground.
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Unbonded Post Tension Anchor
We offer a complete range of anchor castings for Unbonded Post Tension Anchor applications. Bare anchor castings are available for 0.5” and 0.6” strand. Special order anchor castings can be manufactured to your specifications.
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Unbonded PC Strand Monostrand Anchorage
Adaptable to a variety of structures, Unbonded PC Strand Monostrand Anchorage can be easily, rapidly, and economically installed. Applications for monostrand systems include elevated slabs, slab-on-grade, beams and transfer girders, joists, shear walls and mat foundations.
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Unbonded Monostrand Anchor
We have updated our production line for making Unbonded Monostrand Anchor. Sheathing-For Unbonded Post Tension System tendons, an enclosure in which prestressing steel is encased to prevent bond with surrounding concrete that provides corrosion protection and contains PT coating. Strand-High strength steel wires wound around a center wire, typically seven-wire strand, conforming to ASTM A416/A416M.
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