A reinforced concrete beam having a width of 400 mm and an overall depth of 600 mm has a spacingof 3 m on centers supports a 100-mm slab. The superimposed dead load is 3.2 kPa (includes floorfinish, ceiling, fixtures, etc.) and the live load is 3.6 kPa. Columns E and H are omitted such that thegirder BEHK supports beams, DEF at E and GHI at H. Weight of concrete is 24 kN/m3. Determinethe Ultimate load (kN) at H induced by the beam GHI.AB.C3 mDE,3 mH3 mK.7.5 m7.5 m

In any building, the load is transferred from slab to beam to the column that is termed as the load…

Answered: A reinforced concrete beam having a…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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L (m)=2.8 h (mm)=375 hs (mm)=325 b (mm)=275 (Ơst)allow (MPa)=150 (Ơconc)allow (MPa)= 18
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with a 4-20mm diamter bars and at the top with 2-16 mm bars. Concrete cover to bar centroid at the top is 80 mm and at the bottom is 70 mm. Use concrete strength f'c = 32.09 MPa and steel yield strength fy=345 MPa for 20mm bars and fy=275 MPa for 16mm bars. Determine the maximum steel area for a tension-conctrolled singly reinforced condition in positive bending with the given material strength.
X is equal to 5 X = 5
A concrete beam of length 5.5m is built monolithically with the slab. Originally, the beam has a width of 300mm and effective depth of 400mm. If the flange of the slab is 150mm and the total area tension steel bars is 500 sq.cm., determine the design capacity of the beam structure. The concrete has a compressive strength of 25 MPa, steels' yield strength is 420 MPa. and the beam's clear span from its adjacent beams is 2.15m.
reinforced Concrete
REINFORCEB=(335mm)H=(435mm)
A simply supported beam is reinforced with 5-p25 mm at the bottom and 2-020 mm at the top of the beam. Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc'= 28 MPa, fy = 415 MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel strain is 0.004 for a ductile failure: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = mm Design strength of the beam section to the nearest whole number = kN -m Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including the weight of the beam) if it has a span of 6 m = kN/m (to the nearest whole number)
Use f'c = 30 MPa and fy = 415 MPa. The unit weight of concrete is 24 kN/m³ . The floor of a cantilever floor system is made up of a 150mm thick concrete slab (cast monolithically with beam) and the beams have widths of 300 mm, a total depth of 560 mm, and are to be reinforced with 5-Ø28 mm bars. The center-to-center spacing of beams is 4 m. The cantilever floor system is also built using 4m cantilever reinforced beams as supports. a) Find the maximum service live load (kPa) that the current floor design can support. b) Suppose that the floor will need to carry a superimposed service dead load of 2 kPa and service live load of 7.2 kPa, will the existing floor design be adequate? If not, redesign the beams (find the appropriate number of Ø28-mm rebars and provide a final sketch). Use cc = 40 mm, stirrup diameter of 10 mm, and nominal maximum aggregate size of 20 mm.
Find the maximum allowable value of P for the column. The cross-sectional areas and working stresses (ow) are shown in the figure. |2P Steel: A = 500 mm2 Ow = 120 MPa P Timber: 4P A = 2000 mm? Ow = 12 MPa Concrete: A = 8000 mm? O = 16 MPa
A circular Column has dia of D 30 in. Concrete Compressive strength at 28 days is of steel is (60 + 60) ksi. Determine the design capacity of circular column and 8 # 11 bars is used. (4 + 60) ksi and yielding strength
Only correct answer with solution
A 300mm x 425 rectangular beam is reinforced for tension only with 4-28mm bars. The beam has a concrete cover of 40mm and a stirrup of 10mm diameter bar. The beam carries a live load and a dead load (without its self-weight). Given that unit weight of concrete is 24kN/ cu.m f'c = 21 MPa and fy = 414 MPa, calculate the additional concentrated live load as shown in the figure.

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