METHOD FOR CONSTRUCTION OF FOUNDATION SUPPORT Russian patent published in 2016 - IPC E02D27/18 

FIELD: construction.

SUBSTANCE: invention relates to construction, particularly to construction of supports of bridges, structures of pile type with larger diameter. Method of constructing foundation support using sunk well and development machine, which includes planning area for construction of well, making well section, forming a shell well, immersing shell well. Well section is used in form of rings. At planned area is set a first ring and is suspended tunnelling machine with working member down. Tunnelling machine starts working soil inside first ring, in formed cavity is lowered first ring. To upper end of first ring is secured bottom end of second ring, each time. When next ring is immersed, following ring is attached to it. During whole process of tunnelling generated soil in form of pulp is pumped to surface by means of pump and hoses. After achieving required depth of penetration is stopped, finished shell of foundation support is sealed and residual water is pumped therefrom. Further, injection of cement grout into gap between finished shell and soil is carried out.

EFFECT: technical result consists in provision of manufacturability, creating a durable foundation support, reduction of material consumption.

16 cl, 1 dwg