Application of Expansion shell anchor bolt for complex conditions
In certain situations with soild and fractured rock,intrusion of water,or required a pre-stress,it is necessary to loadanchor boltimmediately,SinorockExpansion shell anchor boltis a better solution.For corrosion protection and sealing off the instruding Expansion shellanchor bolt injected with grout.
Expansion shell anchor boltcan be used for permanent support in medium and good rock condition,espiecially in hard rock,rock horizontalbedding,groundwater development situation.It can be applied to prevent slope sliding ,rock bursting and constrution problem. 1.The operationis sample and convenient. 2.The product has active tension.The prestressing force is up to 50KN. 3.It can be operated by one person throughusing general tools. 4.The operator has full control in the installation process and constrution quality. Installation instruction 1.Drillingand clearing the hole.In order to have a straight and accurate hole,please use cross-cut drill bit. 2.Putting the anchor bar which hasinstalled expansion shell into the bottom of the hole. 3.Giving prestressing force to the anchor bar and making sure the expansion shellfully opened by using specialized tools until reach the design requirement. Expansion shell is very convenient and easy to install,it's suitstemporary support and permanent support.It matches with domed plate,nut and domed washer.And they are well suited for use in single or twingrout tube installation due to the minimal rotation the bar undergoes the setting process.
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