{"id":755,"date":"2026-01-29T10:20:02","date_gmt":"2026-01-29T09:20:02","guid":{"rendered":"https:\/\/cosidra.com\/large-diameter-piles\/"},"modified":"2026-04-09T17:07:04","modified_gmt":"2026-04-09T15:07:04","slug":"large-diameter-piles","status":"publish","type":"page","link":"https:\/\/cosidra.com\/en\/large-diameter-piles\/","title":{"rendered":"Large-Diameter Piles"},"content":{"rendered":"\n<section class=\"wp-block-group service-hero\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns content is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<h1 class=\"wp-block-heading fake-h2 text-up\">Large-Diameter Piles<\/h1>\n\n\n\n<p>Large-diameter piles are foundation elements used in soils with limited bearing capacity, where structures are required to withstand high loads.<\/p>\n\n\n\n<p>Constructed in reinforced concrete and generally ranging from 500 to 2000 mm in diameter, they can reach significant depths and provide high load-bearing capacity, ensuring stability even in complex geotechnical conditions.<\/p>\n\n\n\n<p>The main construction methods used include CFA piles and FDP piles, selected according to the soil conditions and project requirements.<\/p>\n\n\n\n        <div class=\"navigation\">\n        <button type=\"button\" id=\"service-hero__swiper_prev\">\n            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"52\" height=\"14\" viewBox=\"0 0 52 14\" fill=\"none\">\n            <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M52 7C52 7.42956 51.653 7.77778 51.225 7.77778L2.64602 7.77778L7.52301 12.6723C7.82567 12.976 7.82567 13.4685 7.52301 13.7722C7.22036 14.0759 6.72965 14.0759 6.42699 13.7722L0.226994 7.54997C-0.0756606 7.24623 -0.0756606 6.75377 0.226994 6.45003L6.42699 0.227806C6.72965 -0.0759347 7.22036 -0.0759347 7.52301 0.227806C7.82567 0.531547 7.82567 1.02401 7.52301 1.32775L2.64602 6.22222L51.225 6.22222C51.653 6.22222 52 6.57045 52 7Z\" fill=\"black\"\/>\n            <\/svg>\n        <\/button>\n        <button type=\"button\" id=\"service-hero__swiper_next\">\n            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"52\" height=\"14\" viewBox=\"0 0 52 14\" fill=\"none\">\n            <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M-3.0598e-07 7C-3.24756e-07 6.57044 0.346979 6.22222 0.774999 6.22222L49.354 6.22222L44.477 1.32775C44.1743 1.02401 44.1743 0.531544 44.477 0.227803C44.7796 -0.0759383 45.2704 -0.0759383 45.573 0.227803L51.773 6.45002C52.0757 6.75377 52.0757 7.24623 51.773 7.54997L45.573 13.7722C45.2704 14.0759 44.7796 14.0759 44.477 13.7722C44.1743 13.4685 44.1743 12.976 44.477 12.6722L49.354 7.77777L0.774999 7.77778C0.346979 7.77778 -2.87203e-07 7.42955 -3.0598e-07 7Z\" fill=\"black\"\/>\n            <\/svg>\n        <\/button>\n        <\/div>\n        <div id=\"service-hero__swiper\" class=\"swiper\">\n            <div class=\"swiper-wrapper\">\n                <div class=\"swiper-slide grid\">\n                    <figure class=\"full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"689\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/Pali-grande-diametro-2-1024x689.webp\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/Pali-grande-diametro-2-1024x689.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/Pali-grande-diametro-2-300x202.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/Pali-grande-diametro-2-768x516.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/Pali-grande-diametro-2-1536x1033.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/Pali-grande-diametro-2.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n                    <figure class=\"full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"516\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-VERONA-1024x516.webp\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-VERONA-1024x516.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-VERONA-300x151.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-VERONA-768x387.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-VERONA-1536x775.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-VERONA.webp 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n                <\/div>\n                <div class=\"swiper-slide\">\n                    <figure class=\"full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"701\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-CFA-4-1024x701.webp\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-CFA-4-1024x701.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-CFA-4-300x206.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-CFA-4-768x526.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/04\/PALI-CFA-4.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n                <\/div>\n            <\/div>\n        <\/div>\n    \n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\"><\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"wp-block-group service-info spacer dark\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns content is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"small text-up\">Construction Methods<\/p>\n\n\n\n<h2 class=\"wp-block-heading fake-h2 text-up\">CFA Piles (Continuous Flight Auger)<\/h2>\n\n\n\n<p>CFA piles are constructed using a continuous flight auger, which allows drilling to advance through the ground without the need for casing or bentonite slurry.<\/p>\n\n\n\n<p>Once the design depth has been reached, the auger is withdrawn and, at the same time, the bore is filled with concrete pumped under pressure. Reinforcement is then installed. <\/p>\n\n\n\n<p>This method is particularly suitable for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>soft or loose soils<\/li>\n\n\n\n<li>projects requiring fast execution<\/li>\n\n\n\n<li>sites where ancillary operations need to be kept to a minimum<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n    <a href=\"https:\/\/cosidra.com\/en\/progetti\/?categorie-progetti=12\" class=\"lu-button\">Progetti di Pali di grande diametro<div>\n            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"9\" viewBox=\"0 0 14 9\" fill=\"none\">\n            <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M5.3662e-08 4.5C5.69549e-08 4.77614 0.223858 5 0.5 5L12.2929 5L9.14645 8.14645C8.95118 8.34171 8.95118 8.65829 9.14645 8.85355C9.34171 9.04882 9.65829 9.04882 9.85355 8.85355L13.8536 4.85355C14.0488 4.65829 14.0488 4.34171 13.8536 4.14645L9.85355 0.146447C9.65829 -0.0488155 9.34171 -0.0488155 9.14645 0.146447C8.95118 0.341709 8.95118 0.658292 9.14645 0.853554L12.2929 4L0.5 4C0.223858 4 5.0369e-08 4.22386 5.3662e-08 4.5Z\" fill=\"#002338\"\/>\n            <\/svg>\n        <\/div>\n    <\/a>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<div class=\"wp-block-group grid\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp\" alt=\"\" class=\"wp-image-57\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-300x169.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-768x432.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1536x863.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp\" alt=\"\" class=\"wp-image-57\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-300x169.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-768x432.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1536x863.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp\" alt=\"\" class=\"wp-image-57\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-300x169.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-768x432.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1536x863.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"wp-block-group service-info spacer dark\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns content is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<div class=\"wp-block-group grid\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp\" alt=\"\" class=\"wp-image-57\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-300x169.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-768x432.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1536x863.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp\" alt=\"\" class=\"wp-image-57\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-300x169.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-768x432.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1536x863.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large full-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp\" alt=\"\" class=\"wp-image-57\" srcset=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1024x576.webp 1024w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-300x169.webp 300w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-768x432.webp 768w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img-1536x863.webp 1536w, https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img.webp 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"small text-up\">Construction Methods<\/p>\n\n\n\n<h2 class=\"wp-block-heading fake-h2 text-up\">FDP Piles (Full Displacement Piles)<\/h2>\n\n\n\n<p>FDP piles are constructed by rotating and pushing a special displacement tool into the ground, compacting the soil laterally without removing it.<\/p>\n\n\n\n<p>Once the design depth has been reached, the tool is withdrawn and the bore is simultaneously filled with concrete pumped under pressure, followed by the installation of reinforcement.<\/p>\n\n\n\n<p>Main advantages include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>no spoil material<\/li>\n\n\n\n<li>reduced vibration<\/li>\n\n\n\n<li>improved geotechnical properties of the surrounding soil<\/li>\n\n\n\n<li>increased shaft resistance<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n    <a href=\"https:\/\/cosidra.com\/en\/progetti\/?categorie-progetti=12\" class=\"lu-button\">Progetti di Pali di grande diametro<div>\n            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"9\" viewBox=\"0 0 14 9\" fill=\"none\">\n            <path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M5.3662e-08 4.5C5.69549e-08 4.77614 0.223858 5 0.5 5L12.2929 5L9.14645 8.14645C8.95118 8.34171 8.95118 8.65829 9.14645 8.85355C9.34171 9.04882 9.65829 9.04882 9.85355 8.85355L13.8536 4.85355C14.0488 4.65829 14.0488 4.34171 13.8536 4.14645L9.85355 0.146447C9.65829 -0.0488155 9.34171 -0.0488155 9.14645 0.146447C8.95118 0.341709 8.95118 0.658292 9.14645 0.853554L12.2929 4L0.5 4C0.223858 4 5.0369e-08 4.22386 5.3662e-08 4.5Z\" fill=\"#002338\"\/>\n            <\/svg>\n        <\/div>\n    <\/a>\n<\/div>\n<\/div>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"<p>Large-Diameter Piles Large-diameter piles are foundation elements used in soils with limited bearing capacity, where structures are required to withstand high loads. Constructed in reinforced concrete and generally ranging from 500 to 2000 mm in diameter, they can reach significant depths and provide high load-bearing capacity, ensuring stability even in complex geotechnical conditions. The main [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template\/service.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-755","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Large-Diameter Piles - Cos.Idra<\/title>\n<meta name=\"description\" content=\"Large-diameter reinforced concrete piles. CFA and FDP technologies for deep foundations in complex geotechnical conditions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cosidra.com\/en\/large-diameter-piles\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Large-Diameter Piles - Cos.Idra\" \/>\n<meta property=\"og:description\" content=\"Large-diameter reinforced concrete piles. CFA and FDP technologies for deep foundations in complex geotechnical conditions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cosidra.com\/en\/large-diameter-piles\/\" \/>\n<meta property=\"og:site_name\" content=\"Cos.Idra\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/p\/COS-IDRA-srl-100091349230763\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-09T15:07:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cosidra.com\/wp-content\/uploads\/2026\/01\/front-gallery-img.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1151\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cosidra.com\\\/en\\\/large-diameter-piles\\\/\",\"url\":\"https:\\\/\\\/cosidra.com\\\/en\\\/large-diameter-piles\\\/\",\"name\":\"Large-Diameter Piles - Cos.Idra\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cosidra.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/cosidra.com\\\/en\\\/large-diameter-piles\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/cosidra.com\\\/en\\\/large-diameter-piles\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cosidra.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/front-gallery-img-1024x576.webp\",\"datePublished\":\"2026-01-29T09:20:02+00:00\",\"dateModified\":\"2026-04-09T15:07:04+00:00\",\"description\":\"Large-diameter reinforced concrete piles. 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