{"id":65945,"date":"2025-09-16T13:35:11","date_gmt":"2025-09-16T11:35:11","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/uk\/success-stories\/a90-trunk-road-scheme\/"},"modified":"2025-09-16T13:35:11","modified_gmt":"2025-09-16T11:35:11","slug":"a90-trunk-road-scheme","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/uk\/success-stories\/a90-trunk-road-scheme\/","title":{"rendered":"A90 Trunk Road Scheme"},"content":{"rendered":"<div class=\"container-fluid carousel-image-gallery\">\n        <div class=\"row\">\n            <div id=\"carouselImageblock_63ae097fdffd7\" class=\"carousel slide carouselImageGallery\" data-bs-ride=\"carousel\">\n                <!-- \/\/ Indicators -->\n                <ol class=\"carousel-indicators\">\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"0\" class=\"active\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"1\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"2\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"3\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"4\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                    <\/ol>\n\n                <div class=\"carousel-inner container\" role=\"listbox\">\n                                            <div class=\"carousel-item active\">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/maccaferri-stage.softecspa.it\/uk\/wp-content\/uploads\/sites\/15\/2025\/09\/Empty-Geomacs-placed-on-soil-nailed-slope\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">2887_1.jpg<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/maccaferri-stage.softecspa.it\/uk\/wp-content\/uploads\/sites\/15\/2025\/09\/Geomac-during-installation-showing-partially-filled-units\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">2887_2.jpg<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/maccaferri-stage.softecspa.it\/uk\/wp-content\/uploads\/sites\/15\/2025\/09\/Geomac-during-installation\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">2887_3.jpg<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/maccaferri-stage.softecspa.it\/uk\/wp-content\/uploads\/sites\/15\/2025\/09\/After-installation-prior-to-vegetation-establishment\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">2887_4.jpg<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/maccaferri-stage.softecspa.it\/uk\/wp-content\/uploads\/sites\/15\/2025\/09\/After-construction-showing-successful-vegetation\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">2887_5.jpg<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                    <\/div>\n            <\/div>\n\n        <\/div>\n    <\/div><div class=\"container-full text-bocolor-block-white\">\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12\">\n                        <h3>Challenge<\/h3>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>    \n    <\/div>\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12 content\">\n                        <p>The new \u00a312m Portlethen Interchange on the A90 trunk road, has been constructed to provide road access to a new residential, commercial and retail development in the village of Portlethen, 8 miles south of Aberdeen. Over 800 houses are being built there by Scottish developer, Stewart Milne Group.<\/p>\n<p><\/p>\n<p>The proximity of nearby houses also meant that a steep, 65-degree embankment was required on the Southbound off-slip. The client, Transport Scotland, wanted a natural-looking, yet engineered solution to the slope stability issues prevalent on the embankment slopes on either side of the new highway.<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n    <\/div>\n<div class=\"container-full text-bocolor-block-green\">\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12\">\n                        <h3>Solution<\/h3>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>    \n    <\/div>\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12 content\">\n                        <p>Consulting Engineers for the project, Fairhurst Partners selected a soil nailing solution in conjunction with Maccaferri Geomac System; an innovative slope stabilisation\/erosion protection system from Maccaferri Ltd.<\/p>\n<p><\/p>\n<p>Geomac Mattresses are large flat wire cages, similar to gabions, 6m x 2m x 0.23m, lined with filter fabric and filled with stone and soil. When installed and seeded, they create stable erosion protection panels of retained and encapsulated topsoil that promote rapid vegetative growth particularly on wet slopes and, in the case of the Portlethen Interchange, on steeply sloping dry embankments.<\/p>\n<p><\/p>\n<p>The Portlethen Interchange was constructed as a cut-and-cover project with the southbound carriageway installed first, followed by the northbound, with live traffic movement throughout the operation. Extensive groundwater control measures were required in the 7m deep cutting due to the high water table level in the area.<\/p>\n<p><\/p>\n<p>This was excavated in 1.5m deep stages to allow the Geomac Mattresses to be fixed as work progressed. Dywidag soil nails, 8-10m in length were drilled and fixed to the Geomac Mattresses creating an efficient, stable structure.<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n    <\/div><!--usedproducts-->","protected":false},"excerpt":{"rendered":"<p>Consulting Engineers for the project, Fairhurst Partners selected a soil nailing solution in conjunction with Maccaferri Geomac System; an innovative <\/p>\n","protected":false},"featured_media":64194,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-65945","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A90 Trunk Road Scheme - Maccaferri Uk &amp; Ireland<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/maccaferri-stage.softecspa.it\/uk\/success-stories\/a90-trunk-road-scheme\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A90 Trunk Road Scheme - Maccaferri Uk &amp; 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