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numper of iron bars in m of rcc

minimum standards for structural design | rcc structures

Jan 11, 2019 · Minimum RCC beam size should not be less than 9″x 9″ (225MM X 225MM), with an additional slab thickness of 125 MM. I generally use a minimum of 4 bars, with 2 bars of 12 MM thickness in the bottom of the beam, and 2 bars of 10 MM at the top of the beam. I

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methods of reinforcement quantity estimation in concrete

Jan 13, 2015 · Number of bars: Suppose the spacing of stirrups is 150 c/c and the length along which they are placed is 6800 mm, we can find the number of bars by the formula below [ Length / Spacing] + 1 = number of bars [ 6800 / 150] + 1 = 46.33 In this case, we always round up

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step by step- rcc roof slab steel calculation- numerical

You can provide 64 bars. Now, For Distribution Bar = L/(c/c) + 1 = (7/0.127)+ 1 =56.11. You can Provide 57 bars. Step:-2. Calculate total length of steel bars. For main bars, = 64 * Length of one Main Rod = 64* 7 = 448 m. Simillarly, For distribution bars , = 57* Length of one Distribution bars = 57* 8 = 456 m. Step:-3. Calculate weight of Steel bar. For main bar

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iron rod/steel size for 9"×12"(230mm×300mm) rcc column

If we use 16mm iron rod/steel reinforcement in place of 12mm, then the minimum iron rod/ steel in a 9″ x 12″ rcc column, provided Steel 1% of gross area of concrete of RCC column required 4 bars of 16mm with stirrups of 8mm steel rings at a distance of 150mm (6″) centre to centre of Fe500 grade of Steel and M20 grade of concrete ratio 1:1

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how to check quality of reinforcement steel bars used for

Oct 06, 2018 · Bars should not have splits and any other deformation on it. Causes of Rusting: Primary steel which is made from pure iron ore are likely to get rusted quicker compare to secondary steel. Bars may get rusted due to contact with water or air and atmospheric condition. A brownish bars showing little rusting due to weathering are good for use

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top tmt bars manufacturers in the construction industry

Feb 29, 2020 · The iron and steel industry plays a vital role in developing countries like India and steel and TMT bars manufacturing lays the foundation of industrial growth and civil development in our country. The growth of Indian steel industry has been piloted by the availability of raw materials such as iron ore and cost effective labour, domestically

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column layout for a residence | civil engineering | civil

Oct 28, 2011 · When we use a column size of 9″x9″ using four 16 mm bars and the distance should not exceed 4.5 m/13.5 feet. Question 1:>My question is when I use a column size of 10″X12″ using four 16 mm bars for a G+2 residential house ->What is the distance between the centre of the two columns that should not be exceeded ?

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how to calculate steel quantity for slab, footing and

Obtain slab dimension and reinforcement details from design drawings as shown in Fig.1. Compute number of steel bars. Main Steel Bars No. of bars= (Slab length (L)/spacing)+1 Equation 1 Shrinkage and Temperature Steel Bars No. of bars= (Slab length (S)/spacing)+1 Equation 2 In equation 1, center to center spacing of main reinforcement steel bars are used and shrinkage and temperature bar spacing

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tmt bars required in rcc for foundation, beam, slabs

1 : 1 : 2. 25 N/mm2 or 250 Kg/cm2. TMT Bar adds strength to the RCC. Various elements of RCC constructions are slabs, beams, foundation etc. It is always recommended to maintain the accurate ratio as per the type of construction. TMT Bar is the main component in RCC that gives the tensile strength to

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mild steel bars in cement concrete

The bars must be in full length according to the design. Proper sizes/ height of crank bars are given in slab and beams etc. Proper support under crank bars of beams and slabs must be given. Steel bars are not disturbed while lying cement concrete. If steel bars are more in number in beams, the bars are placed in two layers by giving spacer

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rcc calculator | estimate cement, sand, rcc online calculator

Reinforced cement concrete or RCC calculator can be used to calculate M15, M20 and M25 mix ratio of cement, sand and jelly. At, you can also

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raising the bar in construction | steel360 news

Aug 26, 2019 · The consumption of rebars in India is currently estimated at about 24 MnT per annum, valued at about INR 1.2 trillion. Considering the average steel intensity of about 10% by value in an RCC construction in India, the total construction industry can be valued at 10 times the valuation of the rebar industry, which works out to an astronomical

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how to calculate quantity of steel in one way slab

Oct 19, 2017 · The Main bars will be 12 mm in diameter with 100 mm c/c spacing. The Distribution bars will be 8 mm in diameter with 125 mm c/c spacing. The Clear cover will be 25 mm (Top or Bottom) and the thickness of the slab is 150 mm. 1

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concrete and rcc. characteristics * archi-monarch

Mar 17, 2021 · Number of reinforcement bar used in columns may be varied instead of varying the size of columns. Formations of lateral reinforcement bars depends on the number of vertical reinforcement bars used in a column. Lateral ties should have a minimum diameter of 10 mm; Type of reinforcement used is usually T12, reinforcement steel with diameter of 12mm

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concrete reinforcement standard requirements and

face, provided that the cover is not thereby decreased below the minimum specified in Clause ‎3.4. Unless otherwise agreed by the consultant, all intersecting bars shall be tied together with 1.6mm diameter coated soft annealed iron wire and the ends of the wire turned into the body of the concrete, or shall be secured with a wire clip of a type agreed by the consultant

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