{"id":5216,"date":"2017-10-25T03:50:23","date_gmt":"2017-10-25T03:50:23","guid":{"rendered":"http:\/\/sthelensplant.co.uk\/blog\/?p=5216"},"modified":"2017-10-25T03:50:23","modified_gmt":"2017-10-25T03:50:23","slug":"scaffolding-work-support-loads-people","status":"publish","type":"post","link":"https:\/\/sthelensplant.co.uk\/blog\/scaffold-safety\/scaffolding-work-support-loads-people\/","title":{"rendered":"How Does Scaffolding Work to Support Loads and People?"},"content":{"rendered":"<h3>caffolding may look super-simple, not consisting of much and generally a mass of metal not exactly pleasing to the passer by.<\/h3>\n<p>Scaffolding is anything but basic or simple, let\u2019s look at the science and physics it takes for scaffolding to have load supporting abilities.<\/p>\n<p>Firstly, those that intend to install any type of scaffolding, must first be fully trained in installing and dismantling the scaffold. Scaffolders must also be trained in the <strong>maximum intended load<\/strong> <em>and<\/em> the <strong>load carrying capacities<\/strong> of the\u00a0specific type of scaffold in use.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-5232\" src=\"https:\/\/sthelensplant.co.uk\/blog\/wp-content\/uploads\/2017\/10\/scaffolding-1-2.png\" alt=\"scaffolding 1\" width=\"698\" height=\"400\" \/><\/p>\n<h3>Scaffold Manufacturers Information<\/h3>\n<p>Knowing the load supporting capabilities are of utmost priority when it comes to installing, dismantling and working from any type of scaffolding.<\/p>\n<p>If you\u2019re not fully trained in the type of scaffold you are using, it is highly advisable you either receive training, or seek a fully trained scaffolder to ensure your scaffold is installed correctly.\u00a0Providing the load supporting\u00a0capability\u00a0it was manufactured to have.<\/p>\n<blockquote><p><em><strong>Where Do You Find the Load Bearing and Load Supporting Capabilities of Scaffold?<\/strong><\/em><\/p><\/blockquote>\n[box type=&#8221;note&#8221; width=&#8221;650&#8243; ]<strong>Every type of scaffold is different, each with their own\u00a0 specific capabilities. <\/strong><\/p>\n<p><strong>The scaffolding manufacturer will have the details of the exact load and supporting capability of the scaffold in use.<\/strong>[\/box]\n<p>Scaffolding Manufactures such as; <a href=\"http:\/\/sthelensplant.co.uk\">St Helens Plant<\/a>, gain this information through testing the scaffold up to the point it fails, alongside using engineering analysis.<\/p>\n<h3>The Science of Scaffolding and Euler\u2019s Formula<\/h3>\n<p>If you\u2019ve ever wondered how scaffolding can support tools, machinery, equipment <em>and<\/em> workers to work from the scaffold \u2013 you\u2019re not alone.<\/p>\n<p>Scaffolding is comprised of several parts, known as components. These components are then connected to form a scaffolding structure.<\/p>\n<blockquote><p><em><strong>So, how does a scaffolding engineer and manufacturer know how much weight a scaffold standard (leg \/ upright), can support?<\/strong><\/em><\/p><\/blockquote>\n<p>The short answer is, physics.<\/p>\n<p>Alongside the aptitude and formula of a Swiss physicist and mathematician\u00a0<a href=\"https:\/\/www.biography.com\/people\/leonhard-euler-21342391\">Leonhard Euler<\/a> (pronounced Oiler). Euler developed a method back in 1774 to accurately determine the strength of a scaffold standard.<\/p>\n<figure id=\"attachment_5280\" aria-describedby=\"caption-attachment-5280\" style=\"width: 848px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-5280\" src=\"https:\/\/sthelensplant.co.uk\/blog\/wp-content\/uploads\/2017\/10\/how-scaffold-supports-loads-1.png\" alt=\"Leonhard Euler\" width=\"848\" height=\"600\" \/><figcaption id=\"caption-attachment-5280\" class=\"wp-caption-text\">Leonhard Euler<\/figcaption><\/figure>\n<p>Through testing, it was established the scaffold standard \/ column would not buckle, providing the weight it was supporting was under a certain amount, known as the \u201ccritical load\u201d or Euler\u2019s load. The &#8220;critical load&#8221; is affected by several variables, including;<\/p>\n<ul>\n<li>The distance between support points<\/li>\n<li>The length between support points<\/li>\n<li>Conditions at the end of the column<\/li>\n<li>Shape of the column<\/li>\n<li>Material of the column<\/li>\n<\/ul>\n<p>Based on the above parameters, Euler developed a formula that is still used today that accurately determines the \u201ccritical load\u201d.<\/p>\n<p>The most common material scaffolding is manufactured from is steel.<\/p>\n<p>That said, Euler\u2019s formula can be used with any type of material including; aluminium, fibreglass, wood and plastic.<\/p>\n<figure id=\"attachment_5230\" aria-describedby=\"caption-attachment-5230\" style=\"width: 463px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-5230\" src=\"https:\/\/sthelensplant.co.uk\/blog\/wp-content\/uploads\/2017\/10\/scaffolding-4-1.png\" alt=\"scaffolding 4\" width=\"463\" height=\"457\" \/><figcaption id=\"caption-attachment-5230\" class=\"wp-caption-text\">Euler&#8217;s Formula<\/figcaption><\/figure>\n<h3>How Does Scaffolding Support Loads?<\/h3>\n<p>When scaffolds are engineered and manufactured, the \u201ccritical load\u201d is specific to each type of scaffold.<\/p>\n<p>While the material used and shape of the tube has huge bearing on what the \u201ccritical point\u201d is \u2013 the space and distance between points of support are <em>crucial<\/em> to overall stability and more importantly, strength.<\/p>\n<p>Depending on the type of scaffold being used, whether that be system scaffolds such as; <a href=\"http:\/\/sthelensplant.co.uk\/scaffolding-supplies\/cuplock-scaffolding\/\">Cuplock<\/a>, <a href=\"http:\/\/sthelensplant.co.uk\/scaffolding-supplies\/kwikstage-scaffolding\/\">Kwikstage<\/a> or <a href=\"http:\/\/sthelensplant.co.uk\/scaffolding-supplies\/ringlok-scaffolding\/\">Ringlock<\/a> or traditional tube and fitting systems. Points of support may include; horizontal braces, diagonal braces, cross braces or ties to another existing structure.<\/p>\n<p>Take for example,<\/p>\n[box type=&#8221;note&#8221; width=&#8221;650&#8243; ]<strong>Traditional tube and fitting scaffold with the lengths between the points of support generally being 6\u2019-6\u201d. <\/strong><\/p>\n<p><strong>Connecting the horizontal and diagonal members to the scaffold standard (leg \/ upright) at these intervals.<\/strong>[\/box]\n[box type=&#8221;note&#8221; width=&#8221;650&#8243; ]<strong>When it comes to system scaffolds (prefabricated scaffolds \/ modular scaffolds) the support points take place at intervals of 6\u2019-6\u201d to 7\u2019-0\u201d. <\/strong><\/p>\n<p><strong>Horizontal and diagonal members are attached to the scaffold standard, as is similarly the case with tube and fitting systems.\u00a0<\/strong>[\/box]\n<p><a href=\"http:\/\/sthelensplant.co.uk\/product-category\/system-scaffolding\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5200 size-full\" src=\"https:\/\/sthelensplant.co.uk\/blog\/wp-content\/uploads\/2017\/10\/system-scaffolding-st-helens-plant-1-1.png\" alt=\"system-scaffolding-st-helens-plant-1\" width=\"900\" height=\"320\" \/><\/a><\/p>\n<p>The distance between a scaffolds points of support is a deciding factor on the scaffolds ability to support loads.<\/p>\n<p>For example,<\/p>\n[box type=&#8221;success&#8221; width=&#8221;650&#8243; ]<strong>Reducing the distance between horizontal members of system scaffold or tube and fitting scaffolds by 50%, can more than double the load bearing strength of the scaffold standard \/ upright leg.<\/strong>[\/box]\n<p>On the other hand,<\/p>\n[box type=&#8221;error&#8221; width=&#8221;650&#8243; ]<strong>Increasing the distance between the scaffold horizontal members by 50%, the strength of the scaffold standard is reduced in excess of 50%. <\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><em><strong>Needless to say, increasing the distance between the horizontal members is not recommended.<\/strong><\/em><\/span>[\/box]\n<p>There are times flexibility is needed, however we stress;<\/p>\n<p>Always check with the manufacturer before making installation adjustments to ANY scaffold.<\/p>\n<p>Removing even one crucial cross brace can result in the scaffolds overall strength being drastically and dangerously reduced. Adjustments can be made, just ALWAYS make sure you check with the manufacturer of the system <strong>before making any adaptations<\/strong>.<\/p>\n<p>It\u2019s better to discuss scaffold design and potential problems before the project starts with the\u00a0contractor <em>and<\/em> manufacturer.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5231\" src=\"https:\/\/sthelensplant.co.uk\/blog\/wp-content\/uploads\/2017\/10\/scaffolding-2-2.png\" alt=\"scaffolding 2\" width=\"725\" height=\"487\" \/><\/p>\n<h3>Scaffolding Tube &#8211; Shape and Distance<\/h3>\n<p>Scaffolding is generally manufactured from round tube, which provides equal strength in all directions. Square tube, albeit not so common provides similar strength properties.<\/p>\n<p>Rectangle tube has also been known to be used, although holds more strength in the long face of the tube than it does on the shorter face.<\/p>\n<p>The shape of the tube used is down to the manufacturer&#8217;s preference, generally round tube is used when manufacturing scaffold components and <a href=\"http:\/\/sthelensplant.co.uk\/scaffolding-supplies\/aluminium-scaffolding-tube-20ft\/\">scaffold tube<\/a> due to providing an equal level of strength, in all directions.<\/p>\n<p>Other shapes can be used, if the manufacturer feels its advantageous when providing a specific solution.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5240\" src=\"https:\/\/sthelensplant.co.uk\/blog\/wp-content\/uploads\/2017\/10\/scaffold-tube-shp-1.png\" alt=\"scaffold-tube-shp\" width=\"848\" height=\"480\" \/><\/p>\n<h4><strong>In Summary<\/strong><\/h4>\n<p>It\u2019s safe to say, scaffolding is not as simple as it looks.<\/p>\n<p>Euler\u2019s formula is still used today in fact, it has been the basis of all other \u201ccritical load\u201d formulae that have since been developed and refined.<\/p>\n<p>Keep in mind, the basic premise is as accurate today as it was in 1774.<\/p>\n<p>The capacity and weight load of a scaffold standard (leg, upright or column) can be dramatically affected by modifying the distance between support points.<\/p>\n<p>The Euler formula works, as does the modern-day refinements to Euler\u2019s formula.<\/p>\n<p>Basically,\u00a0if it ain\u2019t broke, don\u2019t fix it &#8211; or tamper with it, without discussing with the manufacturer first.<\/p>\n<p>If you\u2019d like more details on <a href=\"http:\/\/sthelensplant.co.uk\/product-category\/tube-boards-and-fittings\/\">traditional tube and fitting scaffold<\/a> or <a href=\"http:\/\/sthelensplant.co.uk\/product-category\/system-scaffolding\/\">system scaffold<\/a> engineered, manufactured and supplied by <a href=\"http:\/\/sthelensplant.co.uk\">St Helens Plant<\/a>, or would like some support or advice for any type of scaffold modification.<\/p>\n<p>Contact us on \u2013 <strong>01744 850 300<\/strong> or email us at \u2013 <a href=\"mailto:info@sthp.co.uk\">info@sthp.co.uk<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>caffolding may look super-simple, not consisting of much and generally a mass of metal not exactly pleasing to the passer by. Scaffolding is anything but basic or simple, let\u2019s look at the science and physics it takes for scaffolding to have load supporting abilities. Firstly, those that intend to install any type of scaffolding, must [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10102,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[39],"tags":[155,156,157,158,29],"class_list":["post-5216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scaffold-safety","tag-eulers-formula","tag-how-does-scaffold-support-loads","tag-how-does-scaffolding-work","tag-physics-of-scaffolding","tag-scaffolding-manufacturer"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/posts\/5216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=5216"}],"version-history":[{"count":0,"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/posts\/5216\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/media\/10102"}],"wp:attachment":[{"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=5216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=5216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sthelensplant.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=5216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}