For construction, various types of foundations are used, even the same type can have various performance. The columnar foundation, in addition to pile and filling, has another interesting type – TISE. The principle of performing such a foundation is similar to other types of columnar foundation. A distinctive feature is to use a peculiar performance of the column itself. The pillar is made with an extended support point. In this case, concrete is poured into the holes made by a special TISE drill. The use of such a drill allows you to expand the base of the hole up to 60 cm. This type of foundation was called – TISE. Expansion provides a large support area of the foundation, as well as a wide base prevents the “squeezing of the pillar when moving soils.
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Using this type of pillars, you can save on concrete. With this method, the pillars are poured with a smaller diameter, compared with the usual flood. The missing plane of contact with soil with more than compensated by a wider basis. The TISE foundation is relatively inexpensive, but has the functions of a full -fledged column foundation, and on unreliable soils, even surpasses them.