Ballasted Railway Level Crossing Ground Improvement Project Overview Location and Background The project focuses on a ballasted railway level crossing located on the South West Mainline. The crossing is part of a high-speed rail line with a line speed of 100 miles per hour and accommodates approximately ten EMGTP (Equivalent Million Gross Tons per annum) […]

Project Overview Location: Colt Crag Reservoir, Hexham, Northumberland Client: Esh Group – Stantec Main Contractor: Northumberland Water Project Duration: 1 week Introduction Geobear was contracted to provide a void-filling solution for an abandoned spillway tunnel at Colt Crag Reservoir. This project required the use of a specialist geopolymer design, delivery team and equipment to ensure […]

Geopolymer Injection at the Dock: Ground Improvement to Facilitate Loads Overview A prestigious yacht manufacturer faced significant challenges at their dockyard. Accustomed to handling the increasing size and weight of super yachts, their facility began experiencing uneven sinking of concrete slabs due to water ingress and the subsequent softening of soils. This issue threatened the […]

Ground improvement for railway arch renovation Background The project involved the ground improvement of four arches which were being converted into office storage spaces. The specific challenge at the site was addressing the inadequate foundation of walls that were initially constructed to block off the archways from neighbouring gardens. These walls, built directly on the […]

Ground Improvement at Shildon Coal Drops Overview The Grade 2 listed Victorian-aged masonry retaining wall, known as Shildon Coal Drop, is located in the town of Shildon, County Durham. The retaining wall was originally used as a locomotive refuelling station and the Timothy Hackworth Museum Railway line runs along the toe of the retaining wall. […]

Ground improvement at Hurst Castle using geopolymer injection solution Background Hurst Castle, located in Southern England, is a historic fortress with origins dating back to the reign of Henry VIII. Initially constructed as a coastal defence fortification, it underwent significant expansions during the Napoleonic Wars, transforming into a gun emplacement castle. This historical site faced […]