11/24/2023 0 Comments Medal rivet removal toolTapcon® Concrete Screws: Tapcons are removable because they are threaded screws that tap threads into the concrete, brick or block. To be removed, wedge anchors can be sawed off with a hacksaw or cutoff wheel at the surface of the base material. This will allow for the wedge anchor to be pounded into the hole until flush with the base material. Wedge anchors: When drilling a hole for a wedge anchor, drill twice the length of the wedge anchor. (anchors that protrude from the base material) Tips and Tricks for Removal of Concrete Anchors from Base Material Each type of fastener has a different holding value for the same diameter and depth of embedment. The pullout value is determined by the diameter of the anchor and the depth of embedment of the concrete anchor in the base material. The amount of force required to remove the anchor is called the ultimate pullout or ultimate tension load. It is also important to determine whether it is likely that the fixture and anchor will need to be removed before deciding which type of concrete anchor should be used in an application. It is possible to remove both male and female type anchors if the proper steps are taken. However, sometimes it is necessary to remove concrete anchors from base material. If pulled on hard enough, the base material will fail, the anchor will become detached and there may be a hole in the concrete that is the shape of an upside down cone. Once set, concrete fasteners, generally are not designed to be removed from concrete, brick or block without damaging the base material into which they have been set.
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