{"id":122913,"date":"2026-04-15T16:01:54","date_gmt":"2026-04-15T14:01:54","guid":{"rendered":"https:\/\/www.maccaferri.com\/uk\/success-stories\/slope-stabilisation-at-the-avenue-regeneration-scheme\/"},"modified":"2026-04-15T16:01:54","modified_gmt":"2026-04-15T14:01:54","slug":"slope-stabilisation-at-the-avenue-regeneration-scheme","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/uk\/success-stories\/slope-stabilisation-at-the-avenue-regeneration-scheme\/","title":{"rendered":"Slope Stabilisation at The Avenue Regeneration Scheme"},"content":{"rendered":"
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    Bulging and tension cracks of the face slope in Winter 2016<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    During installation of 32mm diameter soil nailing<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Soil nailing and MacMat\u00ae R installed<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    View of the site during installation<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Vegetation is growing over the MacMat\u00ae R (summer 2017)<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Drainage installed at the toe<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>

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    Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    The Avenue regeneration scheme is a \u00a395 million remediation and landscaping project and represents one of the largest brownfield redevelopment schemes currently undertaken in the UK by the Homes and Communities Agency. Delivered by VSD Avenue, a joint venture between VolkerStevin, Sita Remediation and DEC\u2014the project required extensive geotechnical engineering solutions to ensure long-term ground stability.<\/p>\n

    A key challenge emerged along the western boundary of the site, where a 250-metre-long cut slope, approximately 6 metres high and formed at a gradient of 1V:2.7H, began to show signs of instability. The slope consisted of Made Ground overlying firm to stiff mottled clay and weathered Coal Measures deposits, typical of complex brownfield ground conditions.<\/p>\n

    During construction, wide tension cracks and superficial ground disturbances developed across the slope face. These defects indicated progressive slope instability and posed a significant risk to the safety and longevity of the development.<\/p>\n

    A geotechnical analysis conducted by Amec Foster Wheeler identified elevated groundwater levels as the primary cause of failure. Prolonged periods of heavy rainfall led to increased pore water pressure within the slope, particularly behind a low-permeability clay layer. This pressure build-up reduced soil shear strength and ultimately triggered slope movement.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    A comprehensive slope stabilisation solution was implemented, combining effective drainage systems with soil nailing techniques to address both the cause and symptoms of instability.<\/p>\n

    Drainage measures were installed at both the crest and toe of the slope to manage groundwater and reduce pore water pressure. This was a critical step in preventing further water ingress and restoring stability to the soil structure.<\/p>\n

    To reinforce the slope, Coffey Geotechnics designed a soil nailing system with nails installed at 2-metre centres. This approach created a reinforced soil mass, significantly improving slope stability and ensuring long-term performance under varying environmental conditions.<\/p>\n

    All stabilisation works were carried out by Vertical Access in accordance with industry standards, including BS8006-2:2011 and BS EN 14490:2010, ensuring full compliance with UK geotechnical engineering best practices.<\/p>\n

    For the facing system, MacMat\u00ae R was selected as the optimal solution for soil nail support and erosion control. This high-performance system provided surface protection, enhanced durability, and long-term environmental integration, making it ideally suited for this large-scale slope stabilisation project.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

    Used Products<\/h2>
    \"MacMat<\/div>
    MacMat R<\/h6>Reinforced geomats are composite where the 3D mat structure is embedded into a reinforcement that can be either a double twisted steel mesh or a synth<\/span>View\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    A comprehensive slope stabilisation solution was implemented, combining effective drainage systems with soil nailing techniques to address both the<\/p>\n","protected":false},"featured_media":12703,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-122913","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[113753],"applications":[106309,106327,106309,106327],"solutions":[106438,106342],"sectors":[106252]},"yoast_head":"\nSlope Stabilisation at The Avenue Regeneration Scheme - Maccaferri UK & Ireland<\/title>\n<meta name=\"description\" content=\"Explore our Success Stories: Slope Stabilisation at The Avenue Regeneration Scheme. 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