{"id":710,"date":"2019-05-22T09:21:57","date_gmt":"2019-05-22T09:21:57","guid":{"rendered":"https:\/\/wallingford.com.my\/?p=710"},"modified":"2019-05-22T09:21:57","modified_gmt":"2019-05-22T09:21:57","slug":"updates-to-aci-318-19","status":"publish","type":"post","link":"https:\/\/wallingford.com.my\/index.php\/2019\/05\/22\/updates-to-aci-318-19\/","title":{"rendered":"Updates to the ACI 318-19 on the Strut-and-Tie Model Design"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-714\" src=\"https:\/\/i0.wp.com\/wallingford.com.my\/wp-content\/uploads\/2019\/05\/CI4105Klein.jpg?resize=250%2C157&#038;ssl=1\" alt=\"Stress flow in a deep beam\" width=\"250\" height=\"157\" srcset=\"https:\/\/i0.wp.com\/wallingford.com.my\/wp-content\/uploads\/2019\/05\/CI4105Klein.jpg?resize=300%2C188&amp;ssl=1 300w, https:\/\/i0.wp.com\/wallingford.com.my\/wp-content\/uploads\/2019\/05\/CI4105Klein.jpg?w=348&amp;ssl=1 348w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" data-recalc-dims=\"1\" \/><br \/>\nIn this month issue of American Concrete Institute (ACI) Concrete International (May 2019), there is an interesting article (entitled &#8220;Shear in Discontinuity Regions&#8221;) regarding the upcoming changes in the ACI 318-19 Building Code.<\/p>\n<p>The changes are introduced to address many of the concerns and inconsistencies in the current ACI 318-14 Code related to shear strength in D-regions. These changes are based on review of relevant literature, analysis of published test data, and an experimental program designed to evaluate the influence of diagonal tension on the strength of struts.<\/p>\n<p>The changes should lead to more economical design of deep elements, such as footings and thick slabs, because the beneficial effect of steep strut angles counteracts the size effect.<\/p>\n<p>To find out more, get your free copy of the feature article below:<\/p>\n<p><a href=\"https:\/\/www.concrete.org\/publications\/concreteinternational.aspx?utm_source=ci_may2019\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.concrete.org\/publications\/concreteinternational.aspx?utm_source=ci_may2019<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this month issue of American Concrete Institute (ACI) Concrete International (May 2019), there is an interesting article (entitled &#8220;Shear in Discontinuity Regions&#8221;) regarding the upcoming changes in the ACI 318-19 Building Code. The changes are introduced to address many <a href=\"https:\/\/wallingford.com.my\/index.php\/2019\/05\/22\/updates-to-aci-318-19\/\" class=\"read-more\">Read More &#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"_joinchat":[],"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[21],"tags":[],"class_list":["post-710","post","type-post","status-publish","format-standard","hentry","category-strut-and-tie-model"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Updates to the ACI 318-19 on the Strut-and-Tie Model Design - Wallingford Solutions<\/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:\/\/wallingford.com.my\/index.php\/2019\/05\/22\/updates-to-aci-318-19\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Updates to the ACI 318-19 on the Strut-and-Tie Model Design - Wallingford Solutions\" \/>\n<meta property=\"og:description\" content=\"In this month issue of American Concrete Institute (ACI) Concrete International (May 2019), there is an interesting article (entitled &#8220;Shear in Discontinuity Regions&#8221;) regarding the upcoming changes in the ACI 318-19 Building Code. The changes are introduced to address many Read More ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wallingford.com.my\/index.php\/2019\/05\/22\/updates-to-aci-318-19\/\" \/>\n<meta property=\"og:site_name\" content=\"Wallingford Solutions\" \/>\n<meta property=\"article:published_time\" content=\"2019-05-22T09:21:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/wallingford.com.my\/wp-content\/uploads\/2019\/05\/CI4105Klein-300x188.jpg\" \/>\n<meta name=\"author\" content=\"Wallingford Solutions\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Wallingford Solutions\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/wallingford.com.my\\\/index.php\\\/2019\\\/05\\\/22\\\/updates-to-aci-318-19\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/wallingford.com.my\\\/index.php\\\/2019\\\/05\\\/22\\\/updates-to-aci-318-19\\\/\"},\"author\":{\"name\":\"Wallingford Solutions\",\"@id\":\"https:\\\/\\\/wallingford.com.my\\\/#\\\/schema\\\/person\\\/7a733bea1e5f87dfcd57c7a6ef9ad451\"},\"headline\":\"Updates to the ACI 318-19 on the Strut-and-Tie Model Design\",\"datePublished\":\"2019-05-22T09:21:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/wallingford.com.my\\\/index.php\\\/2019\\\/05\\\/22\\\/updates-to-aci-318-19\\\/\"},\"wordCount\":150,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/wallingford.com.my\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/wallingford.com.my\\\/index.php\\\/2019\\\/05\\\/22\\\/updates-to-aci-318-19\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/wallingford.com.my\\\/wp-content\\\/uploads\\\/2019\\\/05\\\/CI4105Klein-300x188.jpg\",\"articleSection\":[\"Strut-and-Tie Model\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/wallingford.com.my\\\/index.php\\\/2019\\\/05\\\/22\\\/updates-to-aci-318-19\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/wallingford.com.my\\\/index.php\\\/2019\\\/05\\\/22\\\/updates-to-aci-318-19\\\/\",\"url\":\"https:\\\/\\\/wallingford.com.my\\\/index.php\\\/2019\\\/05\\\/22\\\/updates-to-aci-318-19\\\/\",\"name\":\"Updates to the ACI 318-19 on the Strut-and-Tie Model Design - 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