If you build a porch going from brick, rubble or other similar heavy materials, and with heavy veneer, you need a solid foundation. You have to either pour the tape, or make a plate. They are made according to all the rules without any exceptions: with formwork, reinforcement, vibration, etc. Fully by technology.
When building such a foundation, it can already be associated with the main one: you will have to do it to the same depth and most likely it will behave steadily.
Advantages: high reliability and stability. Disadvantages: significant cost and duration of the construction process.
If the house is located on dry soils or in a region where frost heaving is just a terrible tale, if it does not have a socle, the veranda attached to the house can do without a foundation. In this case, the fertile layer is removed along with the vegetation, the bottom of the pit is rammed, then rubble is filled up, rammed, and then the sand, which is also compacted. (more…)