If you notice large cracks in the walls and foundations of your building or the gaps that appear between the baseboard and the floor, there is a good chance that the building and the ground underneath are sinking.
Working with a qualified survey engineer to understand the causes of subsidence (a technical term for uneven settlement of a building) is usually the first step to solving and fixing a problem. Seeding can occur in certain areas (large or small) over a long period of time. or as a direct reaction to nearby human activities or natural events.
What makes foundations sag?
Foundations settle for a number of reasons. All of them are associated with a change in the properties of the soil base, which in turn generates the movement of soil on which the foundations are built.
Changes may be caused by:
- Droughts or frosts that dry the earth and cause clay soils to shrink. In dry conditions, tree roots can suck out the remaining moisture from the ground and cause further settlement.
- Overhaul or construction in the neighborhood can change the condition of the soil, especially if excavation or pile work is ongoing. Often, poorly excavated excavations can allow “neighboring” soils to slide away, causing the supports to sag. Heavy traffic and machine vibration can also move or displace soil layers.
- Different foundation systems (for example, in very old buildings or in houses with extensions or redevelopments) work differently. In clay soils, deeper supports move more mentally than shallow ones. The extension or extension of the house will settle differently in comparison with the main structure. Most often, new foundations give the process of precipitation in the first five years after construction.
- Water that is absorbed into the ground changes the state of the soil. This may be the result of leaks from broken pipes, poorly compacted backfill of the base or sloping foundation (as a result of which water is collected in the pool). In sandy soils, smaller particles are removed, and larger ones settle. In clay soils, oversaturation leads to weakening of the soil and the foundation sags in a weak area.
- Earthquakes shake the earth, even if it is macro-oscillations of a small frequency, and often leading to softening of the soil. When this happens, the soil weakens and becomes semi-viscous, allowing the foundations of the building to fall. As soon as the oscillation dynamics ceases, this “viscous” state passes back to the solid.
Is there a solution?
There are solutions that quickly, unobtrusively and economically eliminate basic subsidence problems with minimal interference with everyday life. Uretek's technology resembles the surgical approach, where specially designed resins by injection penetrate weakened areas under a building or in a separate area to help strengthen the basement and lift sagging constructions. Uretek is a unique two-in-one solution that improves and aligns foundation and wall structures, while simultaneously increasing soil bearing capacity and filling voids.