A reinforced concrete beam, size 200 mm wideand 300 mm deep overall is simply supportedover a span of 3 m. It is subjected to two pointloads P of equal magnitudes placed at middlethird points. The two loads are graduallyincreased simultaneously. Beam is reinforcedwith 2 HYSD bars of 16 mm diameter placed atan effective cover of 40 mm on bottom faceand nominal shear reinforcement. Thecharacteristic compressive strength and thebending tensile strength of the concrete are20.0 N/mm2 and 2.2 N/mm2 respectively.Ignoring the presence of tensionedreinforcement, the value of load P in kN, whenthe first flexure crack will develop in the beamis

Width of beam, b = 200 mm Overall depth of beam, D = 300 mm Span of beam, l = 3 m Effective cover,…

characteristic compressive strength and the bending tensile strength of the concrete are 20.0 N/mm2 and 2.2 N/mm² respectively. Ignoring the presence of tensioned reinforcement, the value of load P in kN, when the first flexure crack will develop in the beam

characteristic compressive strength and the bending tensile strength of the concrete are 20.0 N/mm2 and 2.2 N/mm² respectively. Ignoring the presence of tensioned reinforcement, the value of load P in kN, when the first flexure crack will develop in the beam

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.1.2P

See similar textbooks

Similar questions

a concrete floor slab 100mm thick is cast monotholic with concrete beams 2.0 m on centers. the beams have a span of 4.0m, web width of 259 mm and overall depth of 50 mm. the tensile reinforcement consists of 6-⌀20 mm bars in two rows with 25mm vertical clear spacing. use material strengths f'c=21MPa and fy=415MPa. calculate the ff considering a T-geometry: 1. effective flange width of an interior beam in mm 2. depth of uniform stress block at ultimate stage in mm to the nearest whole number 3. tensile steel strain compatible strain of 0.003
A concrete floor slab 10e mm thick is cast monolithic with concrete beams 2.0 m on centers. The beams have a span of 4.0 m, web width of 250 mm and overall depth of 500 mm. The tensile reinforcement consists of 6-020 mm bars in two rows with 25 mm vertical clear spacing. Use material strengths f'c = 21 MPa and fy = 415 MPa. Calculate the following considering a T-geometry: Effective flange width of an interior beam in mm = Depth of uniform stress block at ultimate stage in mm to the nearest whole number = Tensile steel strain compatible with concrete strain of 8.003 in 3 decimal places =
Find the ultimate moment of resistance for the rectangular section reinforced as shown below. material strengths: Concrete Reinforcement Width of section Reinforcement fcu= 30-MPa fy:= 450-MPa b:= 280 mm d:= 510 mm d':= 50-mm 2 A, 2410-mm A's:= 628-mm 2 b A', Hi As
A simply supported rectangular beam has a width of 300mm and an effective depth to the centroid of tension reinforcement of 330mm. The tension reinforcement has an area of 2843mm2 and the area of compression reinforcement placed 70mm from the compression face of the beam is 1231.5mm2, fy = 415MPa, fc’ = 30MPa. Balanced steel ratio is 0.031. The design strength using 0.90 as the reduction factor is ____kN.m
Situation: A beam has a width of 300 mm and total depth of 600 mm strength f'c-36 MPa. Steel yield strength fy=415 MPa The section is to be reinforced for tension only and the effective concrete cover is 65 mm. Which of the following most nearly gives the value of our balanced steel ratio? a. 0.00370 b. 0.03456 C. 0.02860 d. 0.03522 Which of the following most nearly gives the value of our balanced distance of the cuter most fiber of compression fiber to our neutral axis? a. 313.256 mm b. 354.68 mm C. 333.333 mm d. 322.435 mm Which of the following most nearly gives the value of our balanced depth of compression block? a. 248.412 mm b. 266.2676 mm C. 301.478 mm d. 281.261 mm
A concrete floor slab 100 mm thick is cast monolithic with concrete beams 2.0 m on centers. The beams have a span of 4.2 m, web width of 250 mm and overall depth of 450 mm. The tensile reinforcement consists of 4-∅25 mm bars in two rows with 25 mm vertical clear spacing. Use material strengths f’c = 21 MPa and fy = 415 MPa. Tensile steel strain compatible with concrete strain of 0.003 in 3 decimal places.
A concrete floor slab 100 mm thick is cast monolithic with concrete beams 2.0 m on centers. The beams have a span of 4.2 m, web width of 250 mm and overall depth of 450 mm. The tensile reinforcement consists of 4-25 mm diameters bars in two rows with 25 mm vertical clear spacing. Use material strengths f'c = 21 MPa and fy = 415 Mpa. Calculate the following considering a T-geometry: Effective flange width of an interior beam in mm Depth of uniform stress block at ultimate stage in mm to the nearest whole number Tensile steel strain compatible with concrete strain of 0.003 in 3 decimal places
3. A reinforced rectangular concrete beam having a width of 300 mm, effective depth of500 mm, fc’ = 24 MPa, fy = 415 MPa, 4 - 28 mmɸ, d’ = 65 mm. Present the following (a) actual steel ratio (b) maximum steel ratio (c) a(d) c (e) check if steel yields (f) ?steel(g) type of failure (h) reduction factor (i) moment capacity
A concrete floor slab 100mm thick is cast monolithic with concrete beams 2.0m on centers. The beams have a span of 4.2m, web width of 250 mm and overall depth of 450 mm. The tensile reinforcement consists of 4-25 mm diameter bars in two rows with 25mm vertical clear spacing. Use material strengths f’c = 21 MPa and fy = 415 MPa. Calculate the following considering a T-geometry: Effective flange width of an interior beam in mm = Depth of uniform stress block at ultimate stage in mm to the nearest whole number = Tensile steel strain compatible with concrete strain of 0.003 in 3 decimal places =
O Find the ultimate moment of resistance for the rectangular section reinforced as shown below. material strengths: Concrete Reinforcement Width of section Reinforcement fcu:= 30-MPa fy:= 450-MPa b:= 280-mm d:= 510-mm A, 2410-mm d':= 50-mm A's:= 628-mm² b A', d'
an exterior beam has 300 mm and a height of 600 mm, it is reinforced with 5-p25 mm bars for tension which is laid out according to the code requirements. the depth of the tension strain of the beam is 353 mm. of the steel has a yield strength of 414 mpa. determine the following: Compressive strength of the concrete Maximum steel ratio Ultimate moment capacity of the beam
A beam cast monolithically has the following properties: bf=1200mm, t or hf = 110mm, bw=380mm and h=800mm. It is reinforced with 10D32mm grade 420MPa bars. Concrete strength is assumed to be 27.5MPa and the centroid of tension reinforcement is located 665mm from the outermost compression fiber. A. Determine maximum nominal moment to ensure tension controlled, kN-m. B. Calculate the balanced steel area, mm2. C. Calculate the balanced moment in kN-m.