Ads
related to: double expansion wedge anchor
Search results
Results From The WOW.Com Content Network
torque controlled: the anchor is inserted into the hole and secured by applying a specified torque to the bolt head or nut with a torque wrench. A particular sub-category of this anchor is called wedge type. As shown in the figure, tightening the bolt results in a wedge being driven up against a sleeve, which expands it and causes it to ...
anchor recess A formwork blockout or recess former fitted to the edge formwork of a post-tensioned concrete member, and that creates a temporary void space external to the prestressing anchor to allow the anchor block or similar to be fitted after formwork stripping. [3]: 32 anchor set See wedge set. anchorage assembly
Prestressing tendons requiring permanent monitoring or force adjustment, such as stay cables and re-stressable dam anchors, will typically employ double-layer corrosion protection. Such tendons are composed of individual strands, grease-coated and sleeved, collected into a strand bundle and placed inside encapsulating polyethylene outer ducting.
This page was last edited on 19 February 2011, at 12:03 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Figure 1 of the original patent for the molly bolt, U.S. Patent No. 2,018,251. The molly bolt was patented in 1934 by George Frederick Croessant. [3] Although his patent acknowledges that expandable fasteners of this general kind were already known, Croessant's patent is intended to provide "an improved and adequate anchoring grip that may be retightened if necessary and that will permit ...
Pin and hanger assembly. A pin and hanger assembly is used to connect two plate girders of a bridge.These assemblies are used to provide an expansion joint in the bridge. One beam (the anchor span) is set on a pier with a short section cantilevered out toward the next pier.