Relationship Study between Bolt Shape and Anchor Performance

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Abstract:

Relationship between bolt rib type, rib height, rib spacing and anchor performance have been studied through laboratory drawing test method. Bolt rib type plays a significant impact on the bolt anchor performance. The bigger of the bolt rib height and higher of the drawing force, the better of the anchor performance, but when the rib reach a certain height, drawing force will not increase obvious with the continue increase of rib height. Drawing force will different if the rib spacing is different, and with the increase of rib spacing, drawing force will increase at first and then reduce. When the rib spacing is about 30mm, the drawing force will get the maximum and the best of the anchor performance.

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1050-1054

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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