Underpinning Slab Foundations Kensington, CT
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Underpinning can be done in one of two ways: one, improve the foundation system by enlarging the existing foundations or adding new foundations, and two, to improve the properties of the soil below the foundations without touching the building at all.
Underpinning Slab Foundations specialists give services in different types of crack foundations. The active crack is a crack that has not finished its course and will continue to expand as time passes. The passive crack, which has the potential to be less alarming, is frozen in time and therefore will not take on greater proportions than what it displays at the time of its discovery.
When the concrete is poured and it cures, it shrinks which favors the form of so-called “shrinkage” cracks. These cracks always form vertically and do not pose a high risk to the structure of the foundation. The other cracks, which appear more diagonally or horizontally, are more alarming signs and could mean that your foundation is at risk of more serious problems.
Why is Underpinning Necessary?
There is a variety of reasons why underpinning might need to be carried out. These are usually related to subsidence issues. Some examples of why underpinning might be necessary are:
- A change in soil conditions under the foundation.
- Soil characteristics were not properly taken into account during the design phase.
- The original foundation is no longer suitable/strong enough.
- The construction/repair/excavation of neighboring structures endangers the current foundations.
- Additional floors are to be constructed underground