{"id":231,"date":"2016-09-12T17:27:36","date_gmt":"2016-09-12T17:27:36","guid":{"rendered":"http:\/\/onlinecivilforum.com\/site\/?p=231"},"modified":"2022-12-13T11:54:22","modified_gmt":"2022-12-13T06:24:22","slug":"types-of-columns-and-reinforcement","status":"publish","type":"post","link":"https:\/\/onlinecivilforum.com\/site\/types-of-columns-and-reinforcement\/","title":{"rendered":"Types of Columns and Reinforcement"},"content":{"rendered":"<div><u><i><b>Column<\/b><\/i><\/u>:A column is defined as a compression member, the effective length of which exceeds three times the lateral dimension less. Compression members whose lengths not exceeding three times the smaller lateral dimension, may be made of mass concrete.<\/div>\n<div><\/div>\n<h2>\u00a0<i><u><b>Types of reinforcement<\/b><\/u><\/i><\/h2>\n<div><\/div>\n<h2><i><u><b>Longitudinal\u00a0 <\/b><\/u><\/i><i><u><b>reinforcement<\/b><\/u><\/i><\/h2>\n<div>\n<p>Minimum area of the cross section of the longitudinal bars must be at least 0.8% of the gross section area of the column.<\/p>\n<p>The maximum area of the cross section of the longitudinal bars must not exceed 6% of the gross area of the column cross section.The bars should not be less than 12 mm in diameter.Minimum number of longitudinal bars shall be four in the rectangular column and 6 in the circular column.Longitudinal bars spacing measured along the periphery of a column should not exceed 300 mm.<\/p>\n<\/div>\n<div><\/div>\n<h2><u><i><b>Transverse reinforcement<\/b><\/i><\/u><\/h2>\n<div><\/div>\n<div>It is perhaps in the form of lateral loops or spirals.\u00a0The diameter of the lateral links should not be less than 1 \/ quarter the diameter of the largest longitudinal bar and in no case less than 6 mm.The tone of the lateral links should not exceed,Lateral dimension less,16 times the diameter of the longitudinal bars (small),300mm<\/div>\n<div><\/div>\n<h2><u><i><b>Helical reinforcement<\/b><\/i><\/u><\/h2>\n<div><\/div>\n<div>\n<p>The diameter of the helical rods should not be less than one \/ fourth of the diameter of the largest longitudinal and not less than 6 mm.<\/p>\n<p>The pitch should not exceed (if helical reinforcement is allowed);<\/p>\n<p>75mm,One \/ sixth of the core diameter of the column,Pitch should not be less than,25mm,3 times the diameter of the helical rod<\/p>\n<p>Should not exceed pitch (helical reinforcement if not allowed)<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Column:A column is defined as a compression member, the effective length of which exceeds three times the lateral dimension less. Compression members whose lengths not exceeding three times the smaller lateral dimension, may be made of mass concrete. \u00a0Types of reinforcement Longitudinal\u00a0 reinforcement Minimum area of the cross section of the longitudinal bars must be &hellip;<\/p>\n","protected":false},"author":2264,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"two_page_speed":[],"footnotes":""},"categories":[26],"tags":[267,65],"class_list":["post-231","post","type-post","status-publish","format-standard","hentry","category-gendral-civil-engineering","tag-columns","tag-reinforcement"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Types of Columns and Reinforcement<\/title>\n<meta name=\"description\" content=\"Column :A column is defined as a compression member, the effective length of which exceeds three times the lateral dimension less. 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