Understanding on what basis is your building will save you money and nerves
Cracks are common, especially in homes that are over 20 years old.And although many people watch cracks in their walls, but they do not know why they appeared there.Cracks in the walls are developing over time as the foundation of the house moves.When this happens, the situation is not allowed by itself - the cracks will continue to increase.
However, it is extremely rare, a house with serious cracks in the walls can ultimately be destroyed: the design always gives us a time to correct the situation.The more crack or the faster it develops, the more quickly it is necessary to make a decision on this issue.
Seasonal fluctuations in humidity and temperature in soils make the walls crack strong>
Seasonal changes are the most common causes of soil movement, which, in turn, cause cracks in the walls. When the rain begins, the excess of water causes the land to swell, and when the warm weather occurs, the earth is compressed again when dries. The most important thing is to be done if there are cracks in your walls - it is to test the water disposal from the designs: there is no breakthroughs of a watering, storm or sewer tube (in other words of leaks under the design itself), as water around the house can "help" the foundation .
Know your type of base soil strong>
Within the framework of the draft cracks in the walls, you will need to find out what type of soil is built by your home, as it affects the change in the water level and as a foundation shifts over time.
Contact geological engineer or geologist engineer, which can inform what kind of soil is typical of your area.Keep in mind that their recommendations are common, and that in this area can be soil, which is usually called "backfilling".To get a consultation, specifically for your site, you will need to hire a geotechnology engineer or an engineering company (service) to explore soil samples from your area or plot.
In general, there are five types of soils - rock, sandy, clay, or or peat. The most common in Russia is sand and clay. The sandy foundation creates less problems with the foundation, because water can flow freely through the ground, helping to maintain the foundation stable. If in the house built on a sandy basis, there is a serious or developing crack in the wall, it is important to act quickly, as it is a significant sign that nearby is a broken water supply, sewer or storm tube. The first thing you have to do in this case is to cause plumbing.
Clay soils, on the other hand, can be very "reactive", which means that they change their specific volume and shift when the humidity level changes, forcing the base to be easily swell or compressed.This makes the building more susceptible to seasonal movement.For houses built on clay soils, unfortunately, cracks in the walls are a seasonal matter, and therefore they regularly pay attention.
Kovaleva Anzhelika· June 27, 2020
And who else can you ask for help in except geotechnics and geologist?Not everywhere they are available.And on the phone it is easy to be a specialist.
Evgenij Novitskij (inzhener GROUNDTEK) June 27, 2020
Yes you are right.Such specialists are available only in less large settlements.General knowledge on this subject should also have designer engineers or chief engineers.
Lapina Svetlana· May 28, 2020
I have a few cracks on the walls, but they have not already increasingly for 3 years, is it possible to assume that the development of cracks stopped?
Evgenij Novitskij (inzhener GROUNDTEK) May 28, 2020
So you can say, only after the survey of the foundation of the house.If your home is not on a rock, then the design of the design is going on constantly, but on a very small scale and often not linear.That is, the movement may be unexpected after a period of calm.
Kozlovskaja Nadezhda· May 26, 2020
How to be with peathers, they understand that it is better not to build a house on such soils, but if you have already made a mistake and the house lives your life, how to be?
Evgenij Novitskij (inzhener GROUNDTEK) May 26, 2020
There are options even in this case.First, it is necessary to find out exactly what peats under your home have.Peat peat pins ... like everything in the world ... you need to have an accurate description and diagnosis.Secondly examined the survey data to move in directions or improve the foundation, or improve the foundation.
Bondarev Miron· Dec. 27, 2020
Thank you, very interesting article, especially about the sandy foundation.
Aleksandrov Matvej· Dec. 27, 2020
And how to determine innocuous these cracks on the walls or are these cracks that can entail serious problems with the house?
Aleksandr Sinchenko (inzhener GROUNDTEK) Dec. 27, 2020
First, it is important to determine that there is a "offense" for you.If the crack itself, and it is in the supporting structure, and not on the decorative layer, then it can be strengthened and again close the decorative layer.If the insult is the destruction of the structure, then you must at least organize observation with fixation of the behavior of the designs once a week or the instrumental examination of the building and its foundation.
Burov Mihail· Sept. 25, 2020
And how, if I did not build a house, to find out what basis is my home on?
Aleksandr Efimchik (inzhener GROUNDTEK) Sept. 25, 2020
The most reliable is to carry out a geological examination, that is, to take and explore at least one Kern next to the foundation of your home.Also, there is an option to find out from the neighbors whether they have information about the site (maybe they made geology before construction or they inherited this information).Another way to contact the organization of geologists that have geological maps of your locality (the main thing is that they be relatively fresh).
Bol'shakov Artem· Feb. 24, 2021
I understand that this is important, but how to do it if the house is bought?
Golikov Mihail· Feb. 24, 2021
How did they build before on the butt foundations and the buildings stood in centuries?
Aleksej Karpovich (inzhener GROUNDTEK) Feb. 24, 2021
What stands for centuries has a greater depth of the foundations plus the time improves the base, unless of course the soil waters allow it to do.But it is also important not to overestimate the advantages of old buildings ... Do not forget that they have units, but built huge number of buildings and structures ...
Davydova Anzhelika· Aug. 27, 2021
What could be the cause of the formation of cracks if the house stands on the mainland soil?
Krjuchkov Dmitrij· May 23, 2021
What kind of soils are the most difficult to work?
Postnikov Artem· Sept. 23, 2021
How to be if the base is good, dense, and the subfolding under the foundation is done bad?Instead of sand, it is not clear that the foundation poured and flooded!
Komissarov Boris· Dec. 24, 2020
That is clay - is it a sentence of the building?
Pugacheva Svetlana· July 27, 2020
Good day, the question of this kind, the house is built on a plot of former (ancient) large-scale landslide, there are not big cracks, how to be in a similar case?
Emel'janov Matvej· Dec. 23, 2020
We want to build a house.Is it possible to define a good soil in this place?
Dement'eva Galina· Oct. 27, 2020
But is the choice of foundation depends on the soils?
Jashina Oksana· June 26, 2020
Please tell me the house with the ground floor, monolithic.There is not a single crack on the foundation and on the foundation, and small cracks appeared on the second floor, they will reveal, they will close.Maybe it's in soils?
Moskvina Natalija· July 27, 2021
I looked at the Internet of the types of soils. Plot many ... What does it mean to understand them?Well, I'm not a geologist ... And I don't want to be ...
Kol'tsov Boris· Dec. 24, 2020
Good day!We have in the entrance to the 9th floor on the walls of the crack.Do you work with multi-storey buildings?