Restoration of a three-story house that settled after reconstruction work

Strengthening the base of the foundation
Category
Private residential building
Object
Three-storey residential building with a ground floor
Focus
Strengthening the base and lifting structures
Location
Moscow region
Time of work
07.2016 г.
The timing
10 days
TECHNOLOGY
DEEP INJECTION/SLAB LIFTING

Description:

A three-storey residential building in the Moscow region has sunk by 80 mm in some places after the reconstruction of a room with a swimming pool. The Manager noticed that cracks were beginning to appear on the load-bearing walls both inside and outside the house. As a result of geotechnical monitoring, progressive sedimentation of foundations and supporting structures was detected.

Task:

The main task was to strengthen and re-level the three-story building without disturbing the residents. A secondary goal was to strengthen and lift the floor structures.

Decision:

Working with the geotechnical report received after the survey by the company's employees, Uretek engineers applied Uretek Deep Injection and Uretek Slab Lifting technologies using geopolymer expanding resins to restore the load-bearing capacity of the soil and foundation, as well as to re-level sagging floors. Ten external injection points were required. The second Uretek technology re-leveled and re-reinforced the floor slabs. This was performed through 27 internal injection points.

Result:

All structures requiring the help were reinforced and lifted a predetermined level. The result was confirmed by subsequent Geomonitoring survey.

 

 

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