{"id":1027,"date":"2021-08-03T11:00:56","date_gmt":"2021-08-03T10:00:56","guid":{"rendered":"https:\/\/superstructuresassociates.co.uk\/?p=1027"},"modified":"2021-08-03T11:34:56","modified_gmt":"2021-08-03T10:34:56","slug":"one-innovative-way-to-reduce-a-residential-projects-carbon-footprint-without-increasing-costs","status":"publish","type":"post","link":"https:\/\/superstructuresassociates.co.uk\/one-innovative-way-to-reduce-a-residential-projects-carbon-footprint-without-increasing-costs\/","title":{"rendered":"One innovative way to reduce a residential project\u2019s carbon footprint without increasing costs"},"content":{"rendered":"

Picture credit: Photo by\u00a0Sigmund<\/a>\u00a0on\u00a0Unsplash<\/a><\/strong><\/em><\/p>\n

Soil quality can be a problem in construction \u2013 but there\u2019s an innovative technique being used to improve weaker soils, and it happens to be more environmentally friendly than standard piling methods.<\/p>\n

Developed by Joseph Keller, founder of global geotechnical firm Keller, the technique involves using columns of crushed concrete from other construction projects.<\/p>\n

It\u2019s currently being used in a housing development project in Hoofddorp, a small town near Amsterdam, where the soil has a layer of clay at around 13m, preventing ground water ingress.<\/p>\n

Project Manager for this 31-unit apartment block, Richard Looij, explained, \u201cThe challenge was to improve the soil without letting the water in.<\/p>\n

\u201cWe initially explored soil compaction, but only around 30-40% of the site was suitable, so we proposed vibro stone columns. This was the best technical and economical solution, but it was also the most sustainable.\u201d<\/p>\n

The technique involves using a vibropiling rig, with a vibrating poker fitted, which penetrates the ground to refusal or design depth. The poker is then removed, and crushed concrete is tipped in from the surface. The vibrating poker is then used to compact the recycled concrete.<\/p>\n

This method improves the load bearing capacity of the ground and can also provide a drainage path.<\/p>\n

It\u2019s the first time the technique has been used for a multi-storey residential block in the Netherlands and using it more widely would help reduce environmental impact in some construction projects.<\/p>\n

In this case, the process doesn\u2019t use new materials, and if the building is demolished in the future, the crushed concrete can be dug up and reused. Another environmentally-friendly and economic advantage is that the method doesn\u2019t create spoil to be disposed of in landfill.<\/p>\n

On top of these advantages, vibro systems typically generate only 10-25% of the CO2<\/sub> when compared with a piling system. And using locally-sourced crushed concrete can give a 30% reduction in CO2<\/sub> compared with newly quarried stone.<\/p>\n

This system is also substantially cheaper than piling. Sometimes an environmentally-friendly solution can be more expensive to implement than the traditional method, so it\u2019s good to see a solution that is sustainable both environmentally and economically.<\/p>\n

It\u2019s something that can be used on infrastructure and residential projects, and I expect we\u2019ll see this technique used more as a project\u2019s environmental credentials become increasingly important.<\/p>\n

In the meantime, if you need an innovative solution to a structural challenge on an upcoming project, please do get in touch.<\/p>\n","protected":false},"excerpt":{"rendered":"

Picture credit: Photo by\u00a0Sigmund\u00a0on\u00a0Unsplash Soil quality can be a problem in construction \u2013 but there\u2019s<\/p>\n","protected":false},"author":2,"featured_media":1028,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[15,16,22],"tags":[],"acf":[],"yoast_head":"\nOne innovative way to reduce a residential project\u2019s carbon footprint without increasing costs - Super Structures Associates<\/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:\/\/superstructuresassociates.co.uk\/one-innovative-way-to-reduce-a-residential-projects-carbon-footprint-without-increasing-costs\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"One innovative way to reduce a residential project\u2019s carbon footprint without increasing costs - 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