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Live CPD Webinar Programme

Join one of our CPD webinars to learn more about our geopolymer solutions. The webinars range in focus from residential subsidence to solutions for the rail sector. Please use the links below to sign up for free.

For professionals, our CPD webinars are accredited by the CPD service. They are highly engaging and will provide you with an understanding of the basic principles of ground injection and the use of expansive geopolymer materials in a variety of sectors

Geopolymer solutions are used across the infrastructure sectors, from roads and railways to airports and buildings. This CPD webinar will provide a broad overview of the applications and uses of the material and its process.

28 Jan 2022 – 12.00 noon – Geopolymer injection for structural stabilisation and slab lifting

This CPD accredited session will provide an introduction to the use of geopolymer injection for the stabilisation of structures and re-levelling. The process is commonly used around the world to repair building assets with little to no business interruption.

4 Feb 2022 – 12:00 noon – Geopolymer and its application for the Highways sector

Geopolymer is used across both the flexible road network and concrete roads in the UK to stabilise the ground or sub-base beneath. This process is a fast, non-disruptive method to repair assets and extend life without the need for excavation. Learn about the range of uses from stabilisation and re-levelling to void filling and how the solutions can be applied.

11 March 2022 – 12:00 noon – Technical deep dive: How geopolymers remediate property affected by subsidence

Geobear Vice President of Engineering, Andy Lee, delivers this session which is a deep dive into the technical science behind geopolymer and how it is used to remediate subsiding buildings. The session will look at how different geopolymers are used in different scenarios, such as in clay soils to improve the ground to prevent structural movement.

18 March 2022 – 12:00 noon – Geopolymer Solutions for the rail sector

This webinar is presented by Geobear Technical Director Dr Mohamed Wehbi, one of the UK’s foremost track bed experts and Geobear’s UK lead on geopolymer methods for infrastructure. The webinar will provide a detailed overview of geopolymer and how the methodology can be applied for uses across the railway sector. A must view the webinar with those wanting more technical detail on geopolymer use in the rail sector.

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For more information with regard to the Geobear webinar programme please email [email protected]

Recent projects

WCML Shugborough Tunnel shaft and annulus void filling

Summary Geobear was approached by Story Contracting to design a solution to fill the voids in and around the shafts and behind the tunnel lining of the West Coast Mainline Shugborough Tunnel in Stafford. The 1847 tunnel had deteriorated over time and there was a significant risk of collapse. Download PDF Version Introduction Shugborough Tunnel, […]

Sinking areas of railway depot were repaired by geopolymer injection

Customer situation and background The Ilmala railway depot, located in Helsinki near Finland’s largest and busiest railway station, had problems with soil subsidence. The Ilmala depot is located in an area that was originally a swamp but was later turned into a landfill. The landfill was in use until 1963, and after several years of […]

Port of Hernesaari – Internal erosion control

Geobear’s solutions resolved erosion issues that disrupted the port’s operations Hernesaari Port receives thousands of cruise passengers from around the world each year, and passenger numbers are expected to grow further in the coming years. However, the corner of the cruise pier in the harbour area had begun to sink repeatedly into the pits. This […]

Swanage Sea Wall Void Filling

Swanage is a coastal town in the South West of England. Geobear was contacted by Dorset County Council to deliver a solution to fill voids adjacent to the town’s historic seafront wall. Following a condition assessment carried out by WSP, whereby a visual inspection was supplemented by a geophysical survey, areas of potential voiding were […]

Water Leaks at Cobbinshaw Reservoir repaired with geopolymer

Water leaks were occuring at a reservoir in Scotland. Geobear were contacted to help with water leaking from some of the joints between concrete at Cobbinshaw Reservoir, the water leaks could be stopped using Geobear’s geopolymer which acts as a water sealant. Background Cobbinshaw Reservoir is a site of special scientific interest (SSSI) located in […]

Shugborough Rail Tunnel Void Filling

Case Study video: Learn more by joining a free online CPD webinar – Register here

A55 J35 – J34 Westbound Pavement Slab Stabilisation

Background A GPR survey carried out in advance of planned resurfacing works highlighted voiding below concrete pavement slabs on this section of the A55. The slabs lay beneath a 40mm thick layer of asphalt that was due to be planed off prior resurfacing. The resurfacing was scheduled to be carried out over two-weekend road closures […]

Luton Airport – Preventative Maintenance

Geobear provided slab stabilisation to 100 slabs at Luton airport in 2018. With the expansion of operations at Luton and additional areas identified for flight traffic, in 2019, we proposed a preventative maintenance scheme of works to stabilise newly identified taxiways to be brought into use. Background We had developed a good relationship with the […]

Stabilisation of canal bank

Geobear provided urgent works to stabilise the bank of the Grand Western Canal running through Tiverton in the UK. The embankment had become unstable due to burrowing animals and Devon District Council needed an urgent solution. Project background The Grand Western Canal runs across the South West of the UK and a routine inspection […]

Void filling – Brewer Street, London

A property on Brewer Street in London included several redundant vaults used as coal sheds in the basement. The client wanted these sheds filling to secure the area and prevent deterioration. Project background Brewer Street is a busy road in central London; the client needed a solution to fill five coal sheds with minimum disruption […]

Emergency road / repair works, Barnet UK

Geobear was contacted by J Brown Construction to provide an emergency solution for a project they were completing for Thames Water. The overall project scope was to replace a section of leaking water pipe beneath Hadley Green Road in Barnet. Over the decades, gradual degradation had led to the victorian era pipe cracking, which resulted […]

A83 void filling and stabilisation

Client: Bear Scotland The A83 is a major road in the south of Argyll and Bute in the Scottish Highlands. It runs from Tarbet, on the western shore of Loch Lomond, where it splits from the A82 to Campbeltown at the southern end of the Kintyre peninsula. A section of the A83 near Furnace has […]

Void Filling beneath a gas sub-station – Romford, UK

Background Geobear was contacted to use it’s geoopolymer material to fill a void beneath a gas substation. The substation is situated on a slab supported at both ends by concrete rafts, visual inspections indicated the presence of a void beneath the centre of the slab. The void, caused by a combination of wash out and […]

Road Stabilisation – Southampton Docks approach

Keeping disruption to a minimum is a major issue when deciding how best to carry out carriageway repairs. So, when Southampton City Council needed to stabilise concrete slabs on an approach to the city’s docks last month, it wanted a solution that would complete the job quickly and allow the road to remain open. By […]

Nottingham EZ1 – Void filling and stabilisation

Client: C A Blackwell Background The client had recently constructed an access road and bridge into a new enterprise zone on the outskirts of Nottingham. The water main running beneath the embankment and feeding in to the adjacent Boots factory fractured some time after the completion of the work causing a significant amount of damage […]

M61 Duckworth – Stabilisation

Client: bbmmjv Background The M61 is a busy motorway linking the M60 to the south of Bolton and the M6 just south of Preston. A ground improvement solution was required due to washout of abutment fill material caused by a fractured drainage pipe / valve. An area measuring 1.5 x 1.5m within the northbound hard […]

Luton Airport Slab Stabilisation

Background The concrete slabs that for the taxiway at Luton Airport have been in place for 12 years. Whilst the vast proportion of slabs themselves are operationally sound, in some areas there is rocking occurring as a consequence of the fines beneath the slab being gradually washed out over time. The client required an urgent […]

M11 emergency ground strengthening

Geobear was contacted by WSP to provide a design solution for a voiding and ground improvement This project was emergency works within the footprint of the A14 Cambridge to Huntingdon Major Improvement scheme at the Junction 14 Girton Interchange. The affected section of the junction comprised a two-lane slip road section of motorway with cloverleaf […]

M11 stabilisation of the Girton interchange

VIDEO: Geobear were recently appointed to deliver significant urgent works on the M11 slip roads with the A14. We worked with Interserve, WSP and Highways England to deliver the project. The video below describes the project:

A180 – Croxton Holding Scheme

Aone+, the Asset Support Contractor for Area 12, contacted Geobear regarding a section of the A180 near Immingham. Over a 4 km stretch of the westbound carriageway concrete road slabs, some of which were up to 40 years old were suffering serious problems with settlement. Visual inspections highlighted 56 sinking slabs of up to 30mm […]

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