How To Install A Wedge Anchor Into Concrete
Red Head® Wedge Ballast Installation
Purchase Wedge Anchors
The installation of Carmine Head® wedge anchors is adequately simple and straightforward. Some of the factors that must exist taken into consideration before...
Anchor Types
The Carmine Head® wedge anchor is manufactured in different materials and plated differently to meet different awarding requirements. If the awarding is indoors with no moisture present then the zinc plated Red Head® wedge anchor can exist used. In applications where moisture is nowadays then the hot-dipped galvanized should be considered. The 304 stainless steel may be the best choice when the anchor will be in wet environments. For applications where the Red Head® wedge anchor is submerged in chemicals and water, the 316 stainless steel Red Head® wedge ballast may be the best choice.
Wedge Anchor Diameters
The diameter of wedge anchor chosen for whatever particular application depends on holding value requirements and the size of the pigsty in the fixture that is being fastened. An engineer that has calculated the values needed to correctly determine the specific bore of Ruby-red Head® wedge ballast to utilize may specify the property value requirements. If the item that is existence fastened has holes in it for attachment, the Red Head wedge anchor chosen must fit through the holes. If the Red Head® wedge ballast is installed with the fixture in identify, it is important to know that the diameter of the Redhead wedge anchor is larger than the designated bore. In other words, the wedge ballast measures larger than the diameter that it is called. For example, a 3/8" Red Head® anchor volition require a vii/sixteen" pigsty in the fixture for it to be inserted through the pigsty while the fixture is in place. Even though the working part of the Red Caput® wedge anchor is larger, the threaded part of the anchor is equal to the designated bore, i.due east., a 3/8" Red Head® wedge anchor uses a 3/eight" nut.
Depth of Embedment
Each diameter of Cherry-red Head® wedge anchor has a specific minimum embedment depth for which it must exist installed in the physical in order to run into the minimum property values. This minimum embedment is the distance that the anchor body is installed in the physical after the Red Head® wedge ballast has been expanded. Embedment depth at less than minimum embedment will decrease the holding values, or upshot in no holding values at all.
The minimum embedment depths for the Cerise Caput® wedge ballast are equally follows:
| Red Head® Wedge Anchor Bore | Minimum Embedment Depth |
|---|---|
| i/4" | 1-ane/8" |
| iii/8" | 1-ane/iv" |
| 1/ii" | two-1/4" |
| 5/eight" | 2-iii/4" |
| 3/4" | 3-1/4 |
| 7/8" | 3-iii/four |
| 1" | iv-1/2" |
The Carmine Head® wedge anchor tin can be installed at deeper embedment depth than the minimum embedment requirement. Deeper embedments in virtually cases will result in greater property values. Better property strength volition be reached when rebar is nowadays and the embedment of the Red Head® wedge anchor is past the rebar. There are two important facts that must be taken into consideration with respect to deeper embedment depths. The thickness of the concrete is important considering the Reddish Head® wedge anchor should not be embedded inside a minimum of 5 ballast diameters from the unsupported border of the concrete to ensure proper holding values. Deeper embedments require a deeper longer pigsty to be drilled; the longer and deeper the hole and then the more hard it is to drill the pigsty straight. If the hole is not perfectly direct so the Red Head® wedge anchor, one time installed, may become to a betoken where it stops penetrating the pigsty because it is hitting the side of the hole where the hole bends and the wedge anchor does not. At this point, in that location is a problem because the wedge anchor will non go in whatsoever deeper and cannot be taken out of the hole.
Length
The minimum length of the Red Head® wedge ballast to use in whatsoever item awarding is determined by adding the thickness of the textile being fastened to the minimum embedment plus infinite for the nut and washer. The infinite for the nut and washer is equal to the bore Red Head® wedge anchor being installed. Once this has been figured out, then a length of Red Head® wedge anchor that is equal to or longer than the minimum length requirement must be selected. Longer lengths may be used but considerations must be taken, every bit previously explained.
Spacing
For each diameter, the Red Head® wedge anchor must be installed a specific distance from each other and from an unsupported edge of the concrete. There are a number of dissimilar categories in addition to edge distance that are required to obtain maximum working load: minimum edge distance at which load factor is equal to sixty%, minimum border distance at which the load factor is equal to twenty%, spacing require to obtain maximum working load and minimum allowable spacing between ballast with a load cistron equal to twoscore%. What the charts prove is that the closer the Redhead wedge anchors are to each other or closer to an unsupported edge then the less the property value. The full and complete chart tin exist viewed at Recommended Edge and Spacing Altitude Requirements for Shear Loads.
ITW Ruby Head® Wedge Ballast Installation
The following installation instructions are taken straight from the education page on the Scarlet Head® wedge anchor web page at ITW Red Head, and bear witness exactly what the manufacturer states to be the correct method of installation.
- Select a carbide drill chip with a diameter equal to the anchor diameter. Drill hole to any depth exceeding the desired embedment. Meet nautical chart for the minimum recommended embedment.
- Clean the pigsty or continue drilling additional depth to accommodate drill fines.
- Assemble washer and nut, leaving nut flush with the stop of the ballast to protect threads. Drive anchor through the material to exist fastened until the washer is flush with the surface of the material.
- Expand ballast by tightening nut 3-5 turns past the manus tight position, or to the specified torque requirement.
physical Fastening Systems, Inc Installation Instructions
- Using a hammer drill that is ready in the hammer and rotation mode, with a carbide tipped flake that meets ANSI standards and is the same diameter as the Red Head® wedge anchor being installed, drill a hole in the concrete. Drill the depth of the hole slightly deeper than the expected embedment depth called making sure that the minimum embedment depth for the diameter of Red Head® wedge anchor is met.
- Make clean the hole out of all dust and debris using a wire brush, vacuum or compressed air.
- Install washer and nut onto the threaded finish of the Reddish Head® wedge anchor, leaving the nut flush with the top of the anchor torso. This will protect the threads during installation.
- Insert Red Caput® through the fixture be fastened and into the hole in the concrete, using a hammer strike the nutted end of the Blood-red Head® wedge ballast until the washer and nut are tight against the surface of the fixture.
- Finger tighten the nut then with a wrench turn the nut clockwise three to five full turns or until the specified torque values for the diameter of Red Caput® wedge anchor is reached.
Red Head® Wedge Anchor Installation Torque
| Diameter | Torque Ft/lbs |
|---|---|
| 1/4" | 4 |
| 3/eight" | 25 |
| 1/2" | 55 |
| five/8" | 90 |
| 3/4" | 110 |
| 7/8" | 250 |
| 1" | 300 |
ITW Red Head
physical Fastening Systems, Inc.
Wedge Anchors
Nov 7th 2022
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Source: https://www.confast.com/articles-red-head-wedge-anchor-installation/
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