Strengthening the foundations of columns after subsidence during the spring thawing of the base

Uneven settlement of foundations
Category
Logistics centre
Object
21 plinth foundations
Focus
Stabilize the structure
Location
Ekaterinburg region
Time of work
2018 г.
The timing
12 days
TECHNOLOGY
DEEP INJECTION

Problem:

At the final stage of construction of the logistics centre, during the thawing of the spring soil, part of the column foundations (21 pieces) were subjected to uneven sbsidence. Geological surveys carried out during the construction phase did not reveal waterlogged or swampy ground under part of the building. Surveys were carried out in winter, on the frozen base, which caused inaccurate determination of the physical and mechanical characteristics of the soil.

Task:

To strengthen the foundation soil, to stop the uneven settlement of the foundations of the columns. Confirmation of the result of the work is the movement of foundations by 1-3 mm.

Solution:

Before starting the work on strengthening the foundation, a set of geodesic surveys was conducted to accurately determine the position of the columns in space (in the vertical and horizontal planes), as well as to identify the loosened ground horizons of the foundation by dynamic penetrometer test.

To solve this problem, the method of deep injection was chosen. All work was carried out from the surface of the plinth foundation (one side of the foundation was exposed), injection was performed at right and sharp angles. All work was performed by grabs, no more than 2 foundations per day. The result of the work was the lifting of each "cup foudation" by 2-3 mm. All work was carried out under the constant supervision of the geodesic service.

If you have not found an object or a situation similar to yours in the portfolio on the website, then order a specialist to select a project to analyze the pros and cons of technologies from the extensive database of completed Uretek projects.
Back to projects
Standard projects and cost
Leave a comment
Comments
Thank you for your comment!
Close

Leave your phone number and our consultant will contact you

Choose a convenient time to call

Leave your email and we will send you this article

  • Services
  • Uretek methods
  • Projects
  • Video
  • About us
  • Contacts
  • Moscow
    +7 495 268 01 47
    St. Petersburg
    +7 812 627 15 05
    Rostov on Don
    +7 863 308 17 98
    Kazan
    +7 843 206 03 64
    Nizhny Novgorod
    +7 831 429 17 68
    Sevastopol
    +7 869 222 31 91
    Novosibirsk
    +7 383 280 42 61
    Uretek