{"id":50,"date":"2015-10-14T08:23:00","date_gmt":"2015-10-14T08:23:00","guid":{"rendered":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/2015\/10\/14\/dynamic-transitionspiral-curves-in-civil-3d\/"},"modified":"2015-10-14T08:23:00","modified_gmt":"2015-10-14T08:23:00","slug":"dynamic-transitionspiral-curves-in-civil-3d","status":"publish","type":"post","link":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/2015\/10\/14\/dynamic-transitionspiral-curves-in-civil-3d\/","title":{"rendered":"Dynamic transition\/spiral curves in AutoCAD Civil 3D"},"content":{"rendered":"<p>Got asked this question this week and thought I would share the concept.<\/p>\n<p>So within Civil 3D we have the capability of using an \u2018A\u2019 value.<\/p>\n<p>In the UK we use RL value which is very similar expression<\/p>\n<p>&#160;<\/p>\n<p>Within the Civil 3D country kit for UK and Ireland I have had a calculation table in there for some years, probably a little hidden.<\/p>\n<p>Take a look here at this updated attachment (note this is updated to the as installed version as the L value on the Q 0.6 section was incorrect, but the &#039;A&#039; value was correct. &#160;(Thanks to Pawel&#160;Zawadzki for a good spot)<\/p>\n<p><a href=\"http:\/\/fromthegroundup.typepad.com\/files\/ukie-design-criteria-a-values_v2.xls\">Download UKIE Design Criteria A values_V2<\/a><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/fromthegroundup.typepad.com\/.a\/6a01127918d1ef28a401bb0883bb62970d-popup\"><img decoding=\"async\" alt=\"A Values v2\" class=\"asset  asset-image at-xid-6a01127918d1ef28a401bb0883bb62970d img-responsive\" src=\"http:\/\/fromthegroundup.typepad.com\/.a\/6a01127918d1ef28a401bb0883bb62970d-500wi\" style=\"width: 480px\" title=\"A Values v2\" \/><\/a><\/p>\n<p>Here a quick video of it in action<\/p>\n<p><\/p>\n<p>\/Jack Strongitharm<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Got asked this question this week and thought I would share the concept.<\/p>\n<p>So within Civil 3D we have the capability of using an \u2018A\u2019 value.<\/p>\n<p>In the UK we use RL value which is very similar expression<\/p>\n<p>&#160;<\/p>\n<p>Within the Civil 3D country kit for UK and Ireland I have had a calculation table in there for some years,<\/p>\n","protected":false},"author":183,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[32],"tags":[],"class_list":["post-50","post","type-post","status-publish","format-standard","hentry","category-tips-and-tricks"],"acf":[],"_links":{"self":[{"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/posts\/50","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/users\/183"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/comments?post=50"}],"version-history":[{"count":0,"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/posts\/50\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/media?parent=50"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/categories?post=50"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/from-the-ground-up\/wp-json\/wp\/v2\/tags?post=50"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}