1. Draw the design P-M diagram (moment about the X-axis) for a 18"x 18" column reinforced with4#11 (As= As'=3.12 in²).The concrete strength F'c= 6 ksi and Fy= 60 ksi. The clear cover is 2.5" to the bar's centroid.Show calculations for the following five points:a) Pure axial compressionb) Balanced Failurec) Strain in tension steel = 0.0 in/ind) Stress in tension steel = 0.5 Fye) Strain in tension steel = 0.004 in/inf) Pure axial tension2. Design the ties required

Step 1:Step 2:Step 3:Step 4:Step 5:

Answered: 1. Draw the design P-M diagram (moment…

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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Design a one-way slab with a simple span of 3.0m. The slab is to carry a uniform live load of 7.15 kPa. Assume f’c = 27.6 MPa and fy = 276 MPa for main and temperature bars. use: -12 mm dia RSB for main reinforcement -10 mm dia RSB for temperature and shrinkage reinforcement hello please answer this thanks ☺️
Design the slab reinforcement if the maximum positive moment is Mup=wul2/11 . and the maximum negative moment is Mup=wul2/19. Include the design for S&T bar. Given: length = 6m span = 2m Wu= 8.572 kPa Slab thickness = 150 mm f'c = 28 MPa fy= 219 MPa main bar = 10 mm s&t bar = 8mm
Find the maximum allowable value of P for the column. The cross-sectional areas and working stresses (w) are shown in the figure. DRAW THE FREE BODY DIAGRAM.
1
The 5-story building design project will have its beams and slab poured monolithically and formed a T- section as shown. Determine the design strength pMn in accordance with the ACI/NSCP Code. The tension steel is 9- 36 mm diameter bars (As of 36 mm = 1006 mm2) with three bars in each of three layers. Assume 12 mm stirrups are used, and there is 25 mm between layers. Use fc': 28 MPa and fy = 413.70 MPa. 750 mm T175 mm 1000 mm 9-36 mm diameter bars 350 mm
for rectangular reinforced Con crefe section th=680MM, d=600mm, b=330mm, As = 6$16mm fx=22 MP , fy=410 MPa Find using working stressucthed =24 kNlm O stress in concrete and steel if P= 5 kN O Max. Value f P 4m
[Situation 6] The inverted T-beam shown is post - tensioned with cables having a total area of 14 sq.cm placed at 15cm above the bottom flange. The dimensions of the beam having a span of 14m is shown on the sketch. The beam is subjected to an initial prestress of 9600 kg/sq.cm. Assume a loss of stress of 16% and an allowable compressive stress in concrete of 150 kg/sq.cm and tensile stress of 8 kg/sq.cm. Determine the bottom fiber stress due to the prestressing force. O -10.5 MPa O -11 MPa O -12 MPa O -12.5 MPa
The loadsshown on the beam with a cross section at midspan as shown, are service (unfactored)loads. The concrete used is a normal weight concrete with compressive strength of 4000 psi.The yield strength of the reinforcement is 60,000psi. For the midspan section shown, computeφMn and show that it exceeds Mu
A rectangular beam has the dimensions b=12in., h=26in., and d=24 in. and is reinforced with three No. 11 bars so that As-4.68 in.². The normal-weight concrete compressive strength is 5000 psi. and the tensile strength (modulus of rupture) can be calculated as per ACI318-14. The Grade of the steel is 60. Determine the nominal moment strength M, and the moment capacity Mn. b=12 in. Figure 1. d=24 in. h=26 in.-
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A rectangular tied column carries a factored axial load of 2060 kN. The width of the column is limited to 350 mm and the clear cover of the column is 40 mm. If the concrete compressive strength is 28 MPa, the yield steel strength is 415 MPa, and the steel ratio is 0.02. a. Determine the dimensions of the cross-sectional area of the column. b. Determine the number of 20-mm diameter bars needed for reinforcement. C. Determine the clear spacing of the longitudinal bars.
Practice Problem 4.5 A rectangular beam has a width of 320 mm and an effective depth of 570 mm. Concrete cover is 60 mm from the centroid of bars. Concrete compressive strength, f'c= 24 MPa. Steel yield strengths are 415 MPa for longitudinal bars and 275 MPa for hoops. Stimups are placed in 2 layers with a diameter of 10 mm. Detemine the required spacing of the stimups when a) The required strength Vu is 50 kN b) The required strength Vu is 90 kN c) The required strength Vu is 130 kN d) The required strength Vu is 290 kN e) The required strength Vu is 360 kN f) The required strength Vu is 570 kN

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