The beam is loaded uniform deadload of 42 kN/m (including its own weight), and a uniform live load of 48 kN/m. Concrete strength fc' = 21 MPa and steel yield strength fy = 415 MPa, concrete cover is 65 mm from the centroid of the bars. Assume El to be constant. 320 mm 540 mm 7m a. What is the uniform factored load on the beam in kN/m? b. What is the vertical reaction (factored) at B in KN? c. What is the maximum nominal moment can the beam carry if it is to be design as singly reinforced, in kN.m? d. What is the required tension steel area in mm2, at point of maximum positive moment? e. What is the required tension steel area in mm2, at point of maximum negative

The beam is loaded uniform deadload of 42 kN/m (including its own weight), and a uniform live load of 48 kN/m. Concrete strength fc' = 21 MPa and steel yield strength fy = 415 MPa, concrete cover is 65 mm from the centroid of the bars. Assume El to be constant. 320 mm 540 mm 7m a. What is the uniform factored load on the beam in kN/m? b. What is the vertical reaction (factored) at B in KN? c. What is the maximum nominal moment can the beam carry if it is to be design as singly reinforced, in kN.m? d. What is the required tension steel area in mm2, at point of maximum positive moment? e. What is the required tension steel area in mm2, at point of maximum negative

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 9.2.1P: A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The...

See similar textbooks

Similar questions

1. A rectangular reinforced concrete beam has a length of 7.5 – 10.5 m. It is supported with a hinged at one end and a roller 2m from the other end. The width of beam is 350 mm and the overall depth is 550 mm. The beam is reinforced with 5D25 tensionreinforcement and 2D25 compression reinforcement located at 60 mm from the outermostfiber of the beam. The concrete strength fc = 28 MPa and steel yield fy= 390 MPa. Determinethe following:a. Sketch the beam and its cross sectionb. Stress in the compression steel.c. Moment capacity of the beam.d. Factored uniform load throughout the entire span of the beam that could carry.
The column shown is strained to -0.003 on the right hand edge and to +0.002 on its left hand edge. f’c = 4000 psi and fy = 60,000 psi. determine: 1. gives the compressive force resisted by the concrete 2. gives the nominal axial load that the column could carry 3. gives the nominal flexural load that the column could carry
A spiral column carries a service dead load of 1000 kN and a service live load of 900 kN. fc' = 27.5MPa and fy = 413.5 MPa. Using a steel ratio of 0.03 a. What is the diameter (mm) of the spiral column?b. How many pieces D28 longitudinal reinforcement is required?c. Determine the possible spacing (mm) of the 10 mm spirals assuming a 40 mm concrete cover.
A reinforced concrete beam has a total depth of 700mm. Use f'c =34 Mpa and fy=415 Mpa. The diameter of the rebar us 28mm and the concrete cover is 60mm. A.What is the depth of the compression block? (mm) B.What is the toal compressive force resisted by the concrete? (kN) C.what is the nominal moment capacity? (kN.m)
A floor is supported by 75 mm x 200 mm wooden joists spaced at 400mm on centers with an effective span of 3m. The total floor load transmitted to the joists is 5kPa. If the unit weight of wood is 6.3 kN/m3 and elastic modulus of wood is 12x103 MPa. W Tributary 400 6001 mm -3m Was kPa FO 400 in Floor (a) Determine the maximum bending stress (fb). (b) Determine the maximum shearing stress (fy). (c) Determine the maximum deflection
Assume fy=345MPa and f′c=21 MPa. From the provided steel reinforcement, will the steel yield? What is the depth of the triangular compression block, measured from the extreme compressionfiber? What is the ultimate moment capacity of the section, in kN-m?
A floor systtem consist of a 75 mm concrete slab supported by continuous T beams with a span of 4.3 m spaced at 3 m on center. The beams have a web width, bw and effective depth, d. Calculate the necessary reinforcement for a typical interior beam if the applied factored load is 574 kN-m. Solve the following given a. ) bw = 400 mm; d = 500 mm; fy = 420 MPa; fc' = 28 MPa b. ) bw = 350 mm; d = 470 mm; fy = 420 MPa; fc' = 21 MPa
A rectangular beam has a width of 280 mm and an effective depth of 500 mm. It has a reinforcement area of 4072 sq. mm at the bottom. fc' = 25 MPa, fy = 414 MPa. c) Determine the value of "Mu"
A rectangular beam 250 mm wide, 500 mm deep is reinforced at thebottom with 4-20-mm-diameter bars and at the top with 2-16-mmbars. Concrete cover to bar centroid at the top is 80 mm and at thebottom is 70 mm. Use concrete strength f’c = 21 MPa and steel yieldstrength fy = 415 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. 1. Determine the limiting tensile steel ratio for a tension controlledcondition in positive or negative bending with the given materialstrengths. ρt = [r] in 5 decimal places (ex. 0.00001)
5. A rectangular beam 350 mm wide is to be designed for an ultimate moment of 750 kN·m with f’c = 28 MPa and fy = 415 MPa. The effective depth of the tension bars is 500 mm and 70 mm for compression bars. a. Determine the depth of the stress block if the tensile strain is 0.005 when the concrete crushes at a strain of 0.003. = ____ mm (one decimal place) b. Determine the total amount of tension reinforcement for the given condition above. = ___ sq.mm (whole number) c. Determine the amount of compression reinforcement required. = ___ sq.mm (whole number)
If column AB is made from high strength pre-castconcrete and reinforced with four 20 mm diameter A-36steel rods, determine the maximum allowable floorloadings P. The allowable normal stress for the highstrength concrete and the steel are (ϭallow)con = 18 MPaand (ϭallow)st= 170 MPa, respectively.
Design the slab reinforcement if the maximum positive moment is Mup= wul2/11 and the maximum negative moment is Mun= wul2/10. Given: Superimposed dead load = 4.76 kPa Live Load = 1.9 kPa Weight of slab = 3.45 kPa