Cracks in reinforced concrete structures are not uncommon. They can be caused by various reasons. In any case, this indicates a decrease in the quality of reinforced concrete, which can lead to very disastrous consequences.
Causes of Cracks
The most common defect of floor beams are cracks. They appear for various reasons:
- Production defect - its fault may be poor-quality raw materials, violation of production technology, an error in the recipe for concrete preparation, an incorrectly selected reinforcing frame;
- Improper storage - if the formwork is still formulated, it’s still warm to be taken out to frost, then sudden changes in temperature in the concrete body, stresses appear that under load can give a crack;
- Violation of the rules for storage and transportation are the most common causes of cracks in beams;
- Incorrect load calculations during the construction of the building;
- Cataclysms, natural disasters and other stressful environmental factors.
The floor beam is the supporting element of the entire structure. And a crack in it is a defect, which in the future can lead to devastating consequences.
What is dangerous cracks in the floor beam
Often there are small cracks on the surface. Most likely, they appear due to the fact that when smoothing the product, water was used. Such cracks will not bring much harm if they are repaired with repair mortar in time.
Things are much more serious if cracks were obtained due to technological shrinkage. They are also not very noticeable and occupy a small percentage of the area of the entire structure. But their appearance means a violation in production technology.
Cracks that appear during operation already in the constructed structure over time will only expand and lengthen, leading to inevitable deformation damage.
Cracks in the beams can also lead to jamming of the supports, which, coupled with the pressure exerted, will provoke serious damage up to the destruction of the beam and deformation of other load-bearing elements designs.
In any case, when cracks are detected in reinforced concrete beams, a competent technological a study that will establish how severe the consequences can be and what steps need to be taken to elimination.
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