If the ground beneath foundations gives way, and the building subsides one possible cause is leaking drains or consistent running water from broken guttering etc. When this happens, the water can wash away fine grain of soil, weakening the strength of the soil and its ability to support the existing foundations. One possible repair option is to improve the bearing capacity of the ground using geopolymer resins. The resin strengthens the soil and restores the capacity of the soil to support the existing foundations.
We carry out high pressure injection deep into the substrata, monitoring it at surface level to ensure we fully fill below surface voids. Once treatment is complete, the ground is tested again using dynamic probes to establish the success of the treatment.
Ground improvement techniques are clean, non-disruptive ways to strengthen the soil and remedy the cause of subsidence.
The same techniques can also be used to repair concrete floor slabs that have settled. This is often not covered with most home insurance policies. We can easily and effectively lift the slab back its original level within a very short timescale.
This applies to large and small concrete floor slabs, from rooms in homes to large warehouses.
Occasionally water erosion can cause more severe challenges: sink holes are commonly formed by water erosion of porous ground, such as limestone. Continued erosion by water eventually leads to the collapse of below ground caverns and voids which in turn causes visible distortion at surface level. The below ground collapse of the limestone can cause spectacular damage to buildings and land at surface level.
Below ground voids and caverns are identified by a combination of dynamic probing and if necessary ground radar.
Recent Case Studies
QuickBase Minimal Excavation
The Quickbase system radically reduces the need for site excavation and in most instances removes the need for skips and associated landfill.
Slab Lifting – Housing Association
Housing Association property in Hampshire.Floor dropped away by 3 inches. Rebuilding of slab would be a high cost & disruptive option.
Ground Improvement Case studies
QuickBase Minimal Excavation
The Quickbase system radically reduces the need for site excavation and in most instances removes the need for skips and associated landfill.Find out more
Our Other Services
Civil & Structural Engineering
Engineering Innovation is at the heart of our approach to structural engineering. Shire were formed during 1988 in the belief that many clients were dissatisfied with the traditional reactive response of some Engineers.Find out more
Shire have a vast array of in-house design skills and expertise. Our dedicated telecoms team are often driving a gold design standard in the industry for others to follow. Our commitment is to provide quality design in a proactive, forward-thinking way & quickly! Our services also include site surveying, building analysis, tower analysis and line of sight surveys.Find out more
Shire originally started the geotechnical service to provide our own engineers with information on site, while the structural surveys were being carried out. This allowed us to offer a reactive, rapid response to our clients as a ‘one-stop shop’ for Design, Investigation and Construction.Find out more
As Structural Engineers, we have worked with the Property Insurance sector since 1998. We conduct structural inspections, impact damage analysis, specialist investigations and root cause analysis. All of which is engineer-led using straightforward language. Our experienced engineers are also asked to conduct Expert Reports and Expert Witness Service for homeowners and clients alike.Find out more
Shire offer a specialist building repair service registered under the Safe Contractor Accreditation and the Contractors Health & Safety Assessments schemes. In conjunction with our inspection & investigation services, we can offer a full solution from initial cause analysis through to structural repair.Find out more
Research & Development
We love a challenge! We were first asked to find a solution for repairing terraced houses in the City of London that had restricted access but needed structural support. That was in 1998 and the Shire Pile was created. Since then the R&D team at Shire have developed more products with a focus on restricted access, concrete-free, easy to install, removable and recyclable for a wide variety of applications. And there are plenty more solutions on the way. Contact us if you have an engineering challenge we can help to solve.Find out more