rcc roof thickness and tmt bar size

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rcc roof thickness and tmt bar size

Fri Nov 20, 2015

Total posts : 5

Techman

Join date: Nov 2015

Topic: rcc roof thickness and tmt bar size

What is the recommended thickness of flat rcc roof for 1300sqft house with max. room size 13x14ft with load bearing walls? Is it ok using 8mm and 6mm tmt bars for whole work? Or should I use 10mm/12mm bars for invisible beams through the centre rcc roof of large rooms?

Fri Nov 20, 2015	Post #1
S L Gupta (Civil Engg) Join date: Mar 2008	Dear Tacman The thickness of slab and MS Steel arrangement is according to design based on span and loading condition. However in general the thickness of RCC slab should be 4.5'' thick. MS Steel for slab for main bar should be 10mm and for distribution 8mm or 10 mm. For beam it should be 16mm and 12 mm as per span.

Mon Nov 23, 2015	Post #2
JAI PRAKASH Join date: May 2014	The thickness has to be at least 4.5-5.0". Use 10/12 mm for lantel area and 16 mm for invisible beams.

Mon Dec 21, 2015	Post #3
Pooja Join date: Dec 2015	Sir, What concrete ratio is needed in rcc lanter ? Thanx Pooja

Mon Dec 21, 2015	Post #4
S L Gupta (Civil Engg) Join date: Mar 2008	Dear pooja use cement concrete mix 1;1.5;3 in ALL RCC WORK. It is safer keeping in view earth quack safety.

Thu Dec 24, 2015	Post #5
JAI PRAKASH Join date: May 2014	Correct Sir.

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