Hollow bar self-drilling anchor is a bolting solution for unstable ground conditions

Veröffentlicht von: hollowanchor
Veröffentlicht am: 01.06.2016 12:09
Rubrik: Gesellschaft & Kultur


(Presseportal openBroadcast) - Hollow bar self-drilling anchor is a bolting solution for unstable ground conditions such as sand, gravel, silt and clays, and in soft to

medium fractured rock formations. For projects facing geo-conditions above, hollow bar self-drilling anchor should be considered as the

main solution cuz it's designed for optimized installation, tailored to the project's needs. By drilling a hole in collapsing soil or

loose rock, with a sacrificial drill bit and a hollow bar, and after the drilling operation injecting cementitious grout or resin into the

hollow bar and surrounding cavity, it's a top solution choice. Prime advantage of the self-drilling anchor: 1, easy and similar operation

principle for different rock mass and soil conditions 2, drilling, anchoring and grouting can be performed in one single operation 3, no

pre-drilling of a borehole by using a casing tube and extension rods with subsequent anchor installation necessary 4, minor space

requirement for the accomplishment of anchoring 5, optimized machinery and manpower requirements 6, basic dimensioning of the required

anchoring forces by choosing the appropriate anchor type 7, optimum bonding of the profiled anchor rod and the grout 8, adjustment of the

drill bit design and diameter to different rock mass and ground conditions 9, simple anti-corrosion method available 10, appropriate for

temporary or permanent applications
More from http://www.hollowbar.org/

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Hollow bar self-drilling anchor is a bolting solution for unstable ground conditions such as sand, gravel, silt and clays, and in soft to

medium fractured rock formations. For projects facing geo-conditions above, hollow bar self-drilling anchor should be considered as the

main solution cuz it's designed for optimized installation, tailored to the project's needs. By drilling a hole in collapsing soil or

loose rock, with a sacrificial drill bit and a hollow bar, and after the drilling operation injecting cementitious grout or resin into the

hollow bar and surrounding cavity, it's a top solution choice. Prime advantage of the self-drilling anchor: 1, easy and similar operation

principle for different rock mass and soil conditions 2, drilling, anchoring and grouting can be performed in one single operation 3, no

pre-drilling of a borehole by using a casing tube and extension rods with subsequent anchor installation necessary 4, minor space

requirement for the accomplishment of anchoring 5, optimized machinery and manpower requirements 6, basic dimensioning of the required

anchoring forces by choosing the appropriate anchor type 7, optimum bonding of the profiled anchor rod and the grout 8, adjustment of the

drill bit design and diameter to different rock mass and ground conditions 9, simple anti-corrosion method available 10, appropriate for

temporary or permanent applications
More from http://www.hollowbar.org/

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