The modern assortment of building materials is so wide and varied that when you visit a store or market, your eyes simply run up. Today on sale you can find liquid nails, and various fastening materials, and plastic fittings and tools for every taste, etc. I decided to devote today's article to fittings from fiberglass.
I don't think I need to tell you that sellers tend to often lie or not tell the truth, because they tend to sell the product faster. Therefore, the buyer periodically has to independently search for information that will help reveal all the pros and cons of a future purchase.
After talking with the seller of fiberglass fittings, I was convinced that he "tried to pour into my ears" a lot of false information. The distributor claimed that this material is capable of withstanding a load three times more than steel reinforcement can withstand.
Plus, fiberglass is lighter, does not corrode, and also has a lower thermal conductivity. Well, not fittings, but just a fairy tale!
Naturally, any builder will try to choose the material that has higher strength and reliability. Many do not even pay attention to thermal conductivity, and the weight of the reinforcement is rarely of interest to anyone. Therefore, although fiberglass has many advantages, the main one is excellent strength characteristics.
Further in the conversation, the seller told me that the fiberglass reinforcement has a smaller cross-sectional area compared to the steel structure. This is achieved due to the fact that it is able to withstand high tensile forces. Those. the section is smaller, but the strength is higher!
It was at this moment that I suspected that something was wrong. The seller's last words raised my doubts. Judge for yourself, if a crack forms in the concrete, then the fiberglass reinforcement is somewhat stretched. It turns out that its rigidity is insufficient. As the reinforcement deforms, the crack gets bigger and bigger. As a result, the concrete slab will simply cut it off at the site of the crack!
Currently, fiberglass products are widely used in the construction of bridges, various buildings and structures. Their popularity is due to the fact that they do not form corrosion. If you decide to use this armature, do not forget to take into account the points that I described to you today. It is better to purchase fiberglass reinforcement of a larger diameter. This is the only way your structure can really withstand heavy loads.
Once again I want to repeat that not everything is true what unscrupulous sellers tell us. Please note that many of them do not even know physicists, but undertake to talk about the strength of materials.
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