Geotechnical Engineering

Geotechnical Engineering

The design and specification of retaining structures and foundations requires a strong background in Civil Engineering and Engineering Geology to ensure the best solution is established for each project. Our extensive experience allows the development of efficient and cost effective solutions in Geotechnical Engineering.

Our team includes Chartered Engineers and Geologists who are experts in a wide variety of ground improvement techniques including piling and reinforced fill. Our projects have included raft foundations on soft ground, deep basements and ground reinforcement for bridges and roads. We have also carried out emergency works on railway lines and on housing schemes where mini piling was necessary.


Project Example: Providing advice into the implications of construction in a heavily mined location.

ESP-Geotechnical Engineering - Plan ImageESP was employed jointly by Merthyr Tydfil Council and a private house builder to assess an area of vast historic mining. It was proposed that a new school and housing project would be built in the location.

ESP was required to advise on the impacts of opencast and underground mining at the site. In addition to this, a detailed specification for a drilling and grouting program was designed and supervised in order to stabilise the sites in question.

Specific hazards included underground roadways, surface expressions of collapse, and mine entries.

Read more about this project here: Queens Exchange, Merthyr Tydfil


Project Example: Infilling of two deep mine shafts at a proposed business park development

ESP-Geotechnical Engineering - Mine ShaftESP was employed by a private developer to locate and infill two mine shafts at a proposed business park. These shafts were known to be the deepest in South Wales and required extensive plugging and capping in order to ensure they were made safe.

In order to ensure economic stabilisation of the shaft, a plug that incorporated skin friction was carefully designed and allowed the development to proceed safely and economically.


Project Example: Stabilisation of underground coal workings beneath a road carriageway.

ESP Geotechnical Engineering - Stabilisation of Underground Coal WorkingsEarth Science Partnership was contracted by the Welsh Assembly Highway directorate, to design, specify and prepare tender documentation for the stabilisation of underground coal workings underneath a dual carriage way at Merthyr Tydfil in South Wales.

ESP was the overseeing engineer and assisted in the selection process by reviewing submitted tenders, ensuring they were technically suitable, and that the skills and quality control were appropriate to the delivery on the contract. ESP also supervised the works on behalf of the client, and validated the effectiveness.

A selected list of example projects can be found on our Projects and Technical page.

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