{"id":7864,"date":"2022-07-31T11:14:59","date_gmt":"2022-07-31T05:44:59","guid":{"rendered":"https:\/\/www.onlinecivilforum.com\/site\/?p=7864"},"modified":"2022-12-13T11:28:05","modified_gmt":"2022-12-13T05:58:05","slug":"design-and-calculation-of-reinforced-column","status":"publish","type":"post","link":"https:\/\/onlinecivilforum.com\/site\/design-and-calculation-of-reinforced-column\/","title":{"rendered":"Design and Calculation of Reinforced Column"},"content":{"rendered":"

Design and Calculation of Reinforced Column <\/strong><\/h1>\n

The building shown has 3 storeys for Design and Calculation of Reinforced Column<\/strong><\/p>\n

<\/p>\n

1.Calculation of Load on Column<\/strong><\/p>\n

Load influence area on column B2(i.e.tributory area)<\/p>\n

= (3.70\/2 + 3.70\/2) (6.0\/2 + 6.0\/2) = 22m2 <\/sup><\/p>\n

Load on column B2 due to 1st<\/sup> storey<\/p>\n

= 22.0 x 12 = 264 KN<\/p>\n

(Area)x(Coef. As per table-1 of previous page)<\/p>\n

Total load on column B2 = 792 KN say 800 KN<\/p>\n[Due to 3 storeys (264×3)]\"Calculation<\/p>\n

2.Design of Column<\/strong><\/p>\n

Load on Column = 800 KN<\/p>\n

Concrete grade = M20(say)<\/p>\n

As per table-3,for 230 mm 450mm size,<\/p>\n

If 1.40% of steel is provided,<\/p>\n

If\u2019s load carrying capacity = 813 KN (>800 KN)<\/p>\n

Hence ok<\/p>\n

Buy Now Column bar bending schedule in excel format<\/a><\/strong><\/p>\n

\"Calculation<\/p>\n

Steel area = (1.4\/100) x 230 x 450 = 1449 mm2<\/sup><\/p>\n

Hence provide 8 nos of 16mm dia bars (ref. table-2 also)<\/p>\n

Lateral ties(rings)<\/p>\n

Provide 8 mm diameter rings @ 8\u201d c\/c<\/p>\n

<\/p>\n

Design of Column without Table in Hand<\/strong><\/p>\n

For M20 concrete & Fe 415 steel,<\/p>\n

Load Carrying Capacity of Column with 2% reinft = (0.90) Cross section Area of concrete in \u201ccm2\u201d <\/sup><\/p>\n

Therefore Load Carrying Capacity of (300×300) column with 2% reinft = 0.90 x 30 x 30 = 810 KN<\/p>\n

Hence ok (>800KN)<\/p>\n

Size of Column : 300 x 300mm<\/p>\n

Reinforcement = 2% = (2\/100) x 30 x 30 = 18 c m2<\/sup><\/p>\n

Hence Provide (4Nos \u2013 20mm dia + 4 Nos \u2013 16mm dia)<\/p>\n

<\/p>\n

<\/p>\n

\"load<\/p>\n

Safe load carrying of column based on % of steel and known column section for various grade of concrete and steel for Design and Calculation of Reinforced Column
\n<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
Steel Grade<\/td>\nFe 415<\/td>\nFe 500<\/td>\n<\/tr>\n
Concrete Grade<\/td>\n<\/tr>\n
M20<\/td>\nP = (2.7005 p + 8) bD\/1500<\/td>\nP = (3.27p + 8) bD\/1500<\/td>\n<\/tr>\n
M25<\/td>\nP = (2.6805 p + 10) bD\/1500<\/td>\nP = (3.25p + 10) bD\/1500<\/td>\n<\/tr>\n
M30<\/td>\nP = (2.6605 p + 12) bD\/1500<\/td>\nP = (3.23p + 12) bD\/1500<\/td>\n<\/tr>\n
M35<\/td>\nP = (2.6405 p + 14) bD\/1500<\/td>\nP = (3.21p + 14) bD\/1500<\/td>\n<\/tr>\n
M40<\/td>\nP = (2.6205 p + 16) bD\/1500<\/td>\nP = (3.19p + 16) bD\/1500<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Where P is Axial Load carrying capacity of column in KN.<\/p>\n

P = % of steel reinforcement (say 2 % is 2)<\/p>\n

b = Breadth of Column in mm<\/p>\n

D = Depth of Column in mm<\/p>\n

See More Structural Design<\/a><\/strong><\/p>\n

\"concrete<\/p>\n","protected":false},"excerpt":{"rendered":"

Design and Calculation of Reinforced Column The building shown has 3 storeys for Design and Calculation of Reinforced Column 1.Calculation of Load on Column Load influence area on column B2(i.e.tributory area) = (3.70\/2 + 3.70\/2) (6.0\/2 + 6.0\/2) = 22m2 Load on column B2 due to 1st storey = 22.0 x 12 = 264 KN …<\/p>\n","protected":false},"author":2264,"featured_media":7874,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"two_page_speed":[],"footnotes":""},"categories":[54],"tags":[91,109,102],"class_list":["post-7864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-design-spreadsheets","tag-building-construction","tag-requirement","tag-structural-design"],"yoast_head":"\nDesign and Calculation of Reinforced Column<\/title>\n<meta name=\"description\" content=\"Design and Calculation of Reinforced Column The building shown has 3 storeys Calculation of Load on Column\" \/>\n<meta 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