8.7. Determine the effective length factor k of a 28 x 28 in column in the first story of a sway frame.The column is essentially fixed at its base, and at the top of the column, 28- × 20-in-beams frame intothe column at both sides. The lengths of the column and beams are 16 and 24 ft, respectively. Assumenormal-weight concrete with f = 5,000 psi for the column and f = 4,000 for the beams.

Sway Frame : A frame is a structure consisting combination of column, beam and slab which are able…

8.7. Determine the effective length factor k of a 28 x 28 in column in the first story of a sway frame. The column is essentially fixed at its base, and at the top of the column, 28- x 20-in- beams frame into the column at both sides. The lengths of the column and beams are 16 and 24 ft, respectively. Assume normal-weight concrete with f = 5,000 psi for the column and f = 4,000 for the beams.

8.7. Determine the effective length factor k of a 28 x 28 in column in the first story of a sway frame. The column is essentially fixed at its base, and at the top of the column, 28- x 20-in- beams frame into the column at both sides. The lengths of the column and beams are 16 and 24 ft, respectively. Assume normal-weight concrete with f = 5,000 psi for the column and f = 4,000 for the beams.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

SITUATION A: The floor system shown has the following applied loads. Super Imposed Dead Load = 2.00 kPa Live Load = 1.90 kPa Slab Thickness = 100.00 mm Weight of Concrete = 24 kN/m3 Self-Weight of the beam = 1.92 kN/m Material Specifications: f’c = 21.00 MPa fy = 345.00 MPa Steel Cover = 50.00 mm What is the maximum positive moment of beam BE, acting on the midspan? in kN-m What is the maximum steel ratio of the section located at the supports? What is the actual steel ratio of the beam section at the supports? What is the ultimate moment capacity of the beam at the supports? in kN-m What is the effective flange width at the midspan? in mm What is the height of the compression block of the section at midspan? in mm What is the ultimate moment capacity of the beam at the midspan? in kN-m What would be the height of the CHB that can be placed on beam BE? Assuming the weight of the blocks is 2.30 kN/m per meter height? in meters
A 5.0m long simply supported reinforced concrete beam has awidth of 350mm and an overall depth of 470mm. The beam is reinforced with 2 –28mm dia. compression bars on top and 4 –28mm dia. tension bars at the bottom, each located 70mm from the extreme concrete fiber. Concrete strength f’c = 21MPa and steel yield strength fy = 345MPa. Determine the following, A.Depth of compression block assuming both tension and compression steel yields. B.What is the ultimate moment capacity of the beam in kN.m? C.Determine the additional concentrated live load that can be applied at midspan if the deadload including the weight of the beam is 15kN/m. Hello please answer this thanks
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter 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 = 21 MPa and steel yield strength fy = 415 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. 1. Determine the tensile steel ratio for positive bending. 2. Determine the depth of the uniform rectangular stress block on the beam section at ultimate stage when subject to positive bending. 3. Determine the design moment capacity in kN•m of the beam in positive bending.
Ultimate Design Single concrete
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter 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 = 21 MPa and steel yield strength fy = 415 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. Determine the nominal moment capacity in kN∙m of the beam in negative bending.
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter 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 = 21 MPa and steel yield strength fy = 350 MPa for 20-mm bars and fy = 275 MPa for 16-mm bars. 1. Determine the maximum steel ratio if the beam is singly reinforced in negative bending with the given material strengths and the tensile strain is limited to 0.004 upon crushing of concrete. Write the answer in 5 decimal places only. 2. Determine the maximum steel ratio if the beam is singly reinforced in positive bending with the given material strengths and the tensile strain is limited to 0.005 upon crushing of concrete. Write the answer in 5 decimal places only.
Based on Eurocode 2 (2004), the flexural capacity of the section shown below Is 60 kN.m for the concrete cylinder strength (fem) of 40 MPa. Estimate the flexural capacity of the section if the concrete cylinder strength (fcm) becomes 30 MPa. 150 mm Lever arm (z) = 180 mm
A rectangular concrete beam has a width of 300 mm and an effective depth of 550 mm. The beam is simply supported over a span of 6 m and is used to carry a uniform dead load of 25 KN/m and a uniform live load of 40 kN/m. Assume fic= 21 MPa and fx = 312 MPa. Compression reinforcement if necessary shall be placed at a depth of 80 mm from the extreme compression concrete. Which of the following most nearly gives the required number of 25mm diameter tension bars? A. 6 B.7 C. 8 D. 9
A 15 x 25 in. column is reinforced with four No. 9 (No. 29) bars, one in each corner as shown in Figure (a). The concrete cylinder strength is f. = 4000 psi and the steel yield strength is 60000 psi. Determine the axial load strength for zero eccentricity without subtraction of the concrete displaced by the steel, as well as with subtraction of the concrete displaced by the steel. E=0.003, E,-29000. Imperial Metric bar Linear Mass Density Nominal diameter Nominal area 25" bar size size (soft) Ib (in) (mm) (in') (mm") 2.5" -2.5" 0.250 - % 6.35 0.05 32 0.375 = % 9.53 0.11 71 0.500 = 4 12.7 0.20 129 0.625 = % 15.9 0.31 200 0.750 = % 19.1 0.44 284 0.875 = % 222 0.60 387 1.000 = % 25.4 0.79 510 1.126 - % 28.7 1.00 645 1.270- 1% 32.3 1.27 819 No.6 0.167 0.249 3 No. 10 0.376 0.560 #4 No. 13 0.668 0.994 Pn #5 No. 16 1.043 1.552 15" No. 19 1.502 2.235 #7 No.22 2.044 3.042 #8 No 25 2 670 3.973 As No 29 3.400 5.060 A's #10 No 32 4.303 6.404 e varies #11 No.36 5.313 7.907 1.410- 35.8 1.56 1.006…
Q.1\ A column of a cross-section (350x450)mm is reinforced with 4 bars of (25mm) in diam., knowing that Es=200,000MPa and Ec 22,500MPa and f28MPa and fy = 420 MPa determine the following: 1. The axial load that will stress the concrete to 10 MPa. 2. The normal axial compression strength.
I need the answer to the question in reinforced concrete
Using IS 456