Figure P5.3 shows the column reinforcement for a 16 in. diameter concretecolumn, with f, = 75,000 psi and f = 8000 psi. Analysis of the building frameindicates a required A, = 7.30 in? in the lower column and 5.80 in? in the uppercolumn. Spiral reinforcement consists of a in. diameter rod with a 2 in. pitch.Column bars are to be spliced just above the construction joint at the floor level,as shown in the sketch. Calculate the minimum permitted length of splice.- 16"-16 No. 9 (No. 29) barsNo. 3 (No. 10)spiral at 2" pitch仕IロSplice6 No. 10 (No. 32) barsk 16" -

The given data is: Diameter=16 in Fy=75000 psi fc'=8000 psi For building frame, As=7.3 in2 For the…

Answered: Figure P5.3 shows the column…

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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Given a rectangular section of b = 300mm, h = 400mm, a, = a', = 40mm; the concrete is of grade C30, the steel is HRB400. Find the reinforcement (A, and A') required for a load of M = 218kNm and an axial compression N= 396KN. %3D
1.22 Calculate the design moment strength of the precast concrete section shown in Fig. 3.39 using = 4 ksi and f,= 60ksi. 589 20 19"
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.
5. The beam shown is reinforced for positive moment with three epoxy-coated #11 bars. The bars terminate at the center of the supports. Neglecting beam weight (concentrated loads are very heavy), determine if the required development length is satisfied. Assume As required = 4.55in², 2 in. clear cover on all sides of the longitudinal reinforcement, normal weight concrete, #3 stirrups @12 in o.c., f'c = 5000 psi and fy = 60,000 psi. 8 ft | Pu 20 ft Pu 8 ft ge2 of 56 30 in b=14in. ed 5/15/2020 As = 3-#11
1. The strain profile of the section below with compression reinforcement was calculated with a computer program. All dimensions are to center of the reinforcements. Material properties: (a) (b) (c) Concrete, f'e = 4.0 ksi Steel, fy = 60.0 ksi Is the section tension controlled? What is the strength reduction factor (p)? Check if the forces in the section are in equilibrium. Do not correct them if they are not in equilibrium. What is the nominal moment resistance of the section? (4) #9- #5@4" (5) #11. (5) #11 -24"- SECTION 3" 3" 3" 48" 0.015 0.01 0.005 Strain diagram eps ecu epst 10.035 0.01 @lowest reinforcing steel Strain Profile 0 10 20 30 40 50 60 -0.005
A beam has a width of 280 mm and 490 mm overall depth. Concrete cover is 65 mm from the centroid of bars. Concrete compressive fc' = 24 MPa. Steel yield strength are fy=415 MPa and fy = 275 MPa for ties. Determine the shear strength provided by concrete using simplified method a) If the beam is subjected to shear and flexure only, and b) If the beam is subjected to axial compressive force of 124kN.
Question 31 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 = 230 MPa for 16-mm bars. Determine the design moment capacity in kN∙m of the beam in negative bending. Write the answer in 2 decimal places only.
If the given beam section is used for a simply supported beam 5.0 m span, using fc = 21 MPa and fyt = 280 MPa: 10-mm-dia 425 mm @ 200 mm 500 mm -275 mm 75 mm 25. Calculate the nominal shear strength of concrete, using simplified formula of NSCP 2015. = kN 26. Calculate the nominal shear strength of the stirrups, Vg = kN. 27. Calculate the design sectional shear strength of the beam = kN 28. Determine the maximum factored uniform load in that can be sustained based on shear strength of the cross-section only. = kN/m 29. Determine the maximum live load in that can be sustained based on shear strength of the cross-section only. = kN/m 30. If the total factored uniform load is 60 kN/m, calculate the ultimate shear force at critical section for shear in kN. = kN INPUT ALL ANSWERS ROUNDED TO WHOLE NUMBER
1. A rectangular beam section is 10 in. wide and has a structural depth of 13.5 in. Reinforcement consists of two No. 8 bars. Given that the strength normalweight concrete is 4000 psi and there is NO shear reinforcement in the section, determine the nominal shear capacity allowed by the ACI Code. (5 pt) (Hint: No web reinforcement, so Vc = 8λ¸λ(pw)¹/³¸ √ Fcbw d cbwd shall be used).
I want to solve question 1040 and the question information from question number 1039
Question 2: Determine the required reinforcement for L section beam to resist torsion T = 10KN.m with the following dimensions; depth of slab = 100 mm, width of flange = = = 200 mm, 900 mm, width of web depth = 455 mm. Consider concrete class C30 and high yield steel S460 for main Reinforcement and S250 For stirrups. 900mm = 1120 mm² -200mm
A one way simply supported slab of effective length in the shorter span is 3.5 m. Calculate the area of the distribution reinforcement.

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