Concrete is a strong material that is widely used in the construction industry. You should know that the latter has a fairly high resistance, so certain basic rules must be applied in order to put fixings on it so that they are solidly anchored.
The necessary tools:
In this exercise, we are going to need a hammer drill; an expansion dowel;
A threaded rod; resin for chemical sealing; and finally a concrete drill bit.
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How to fix a load in concrete?
Extremely strong concrete requires high-performance materials to penetrate it. For solid walls, it is strongly recommended to insert an expansion anchor, which has the particularity of leaning against the edge of the drilling hole for better anchoring. This type of ankle adapts perfectly to all loads. However, for extremely heavy loads, chemical sealing may be a better choice.
Remarks :
Chemical sealing is an anchoring technique by injection of a specific resin. It hardens once dry, and it allows secure fixation in any support. The procedure is slightly different depending on whether the material is solid or hollow. Moreover, this type of sealing is available in kit form, including a resin box, a set of plastic screens and threaded rods with nuts and washers. However, these components can also be purchased separately.
Here are the steps to follow for the realization
First choose the anchor bolt that suits the load you want to fix on the wall, then choose the corresponding concrete drill bit. This step is important because it will determine the strength of the binding. Next, bring your impact drill. You can also choose an electro-pneumatic hammer or a rotary hammer depending on the depth you want to drill into the concrete.
Then, plan to drill a hole slightly deeper than the length of the anchor for easy insertion. If necessary, drill the hole using a hammer, then position the anchor in the hole. Screw the screw into the pin and place the object to be hung. In the case of very heavy loads, chemical sealing is preferred. The process uses threaded rods that are fixed into concrete with a special resin.
To this end, except that the hole needs to be deeper, the drilling process is the same as the process of inserting the expansion dowel. Prepare the resin according to the instructions provided by the manufacturer, and then pour it into the hole from the inside to the outside. Finally, immediately insert the threaded rod. When the fastener is dry, tighten the heavy components.