Why do buildings subside?
Buildings and structures can subside for various reasons, but it often begins when the soil conditions change. In particular, buildings and foundations that are on clay based soils often subside because the clay shrinks and swells when there are changes in the water content of the soil. In addition, vegetation or large trees that are near the foundations can cause subsidence problems, as the roots absorb water from the ground, causing the ground to shrink. The risk of this happening is greatest after a long dry period when thirsty plants send their roots under building foundations in search of water. Subsidence problems can also occur when water leaks from damaged sewage pipes. The water makes the soil softer or rinses it completely from the ground. When the bearing capacity of the soil changes, the building starts to move and also subside.
When a building subsides it creates problems for the occupants. To live and work in a subsided building can be uncomfortable or even dangerous. Doors and windows can be trapped, unwanted thresholds and sills can occur on the floor, and pipes, drains and industrial machines cease to work as they did before. The issue of subsidence can come up when you are trying to sell the building, as a subsidence problem that is not fixed can in the worst case scenario lead to the value of the building drastically dropping.
Solutions to subsidence problems in buildings
The unique geopolymer technology that URETEK utilises provides a fast, sustainable and safe solution to subsidence and settlement problems in buildings and structures. URETEK offer solutions for re-levelling, ground improvement and structural support. Because our solutions can be combined, we tailor-make a solution that fits your requirements.
The geopolymer technology is a Finnish invention which can be used for subsidence problems in both buildings and infrastructure. Unlike traditional piling and other support solutions, geopolymer technology can stop subsidence both swiftly and non-disruptively. Residents can stay in their homes and business operations can continue normally for the duration of the repair work.
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By clicking on the links below, you can read more about subsidence problems and what you can do to solve them: