A dangerous situation is what you will get whenever you will have a foundation failure that will not be addressed. It is when this happens that the house that you have can become crooked. A and that is why when you will notice these issues that it is crucial that you will ask the help of a drilled shaft contractor. It is the issues that will be determined and addressed whenever you will ask for their help.
It is the soils to where the foundation is placed that are the reason for these issues. What makes the problems are soils that have clay components. Whenever soil will become come wet that it will not dry up uniformly and that is the reason to why you will have an unstable soil. You have to understand that there are also many things that can cause the soil to get wet. Info about caisson construction philadelphia
It is the drilled shaft that is one of the solutions that you can do .when you will have these issues. It is this one that involves the stabilization of the foundation. You also have to remember that there are two different toes of drilled shafts and each of them are designed for a specific foundation. When it is your contractor that you will be asking that you will also know the best one that will fit your needs.
The first type that you will see is the one that is called as resistance piers. It is this type that involves hydraulically pressing the piers straight into the soil. By involving the structure that it is the one that will be acting as a counterbalance. When it is this one that you will opt to have that it will be pushing the piers into a soil that will also be hard enough to support it. It is the one that works best for structures that are heavy and needs to be raised. https://en.wikipedia.org/wiki/General_contractor
The other type that you will see is the helical piers. It is when you will choose this one that it is the one that is drilled into the soil just like a corkscrew. What will pull the piers into the ground are the flights that it will have. Whenever they will be able to reach a soil that will be strong enough to support it that it is the time that they will stop going down. A pier that canto be pushed or pulled is what you will get with this one. Since these piers are screwed into the ground that they are very effective on hillsides or slopes. It is a you that will be able to find these types of piers that are pre-constructed. When it is the soil that you have is in question that these are the ones that will be used. There are soils that are not able to carry the structure and this is where these piers are very helpful. See Caisson drilling