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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Figure 2 shows a high strength precast concrete column supporting series of horizonal beams with loadings Pe and Pr at different levels. Column size at the first level is 150 mm x 150 mm indicated by cross section a-a and 200 mm x 200 mm at ground level indicated by cross section b-b. Displacements at E of the precast concrete relative to F is 2 mm and at F relative to G is 2.5 mm. Ignore the bracket sizes, a) Calculate the total load acting on the column that support all the horizontal beams. b) If the precast concrete column is reinforced with 4 20 mm diameter A-36 steel rods, determine the average normal stresses in the concrete at both levels, and the steel rods by taking into consideration the displacement at E relative to G. Use Elastic Modulus of 200 GPa and 30 GPa for steel and concrete respectively. 3 m 3 m PE PE a ----- a PF PF b-b Figure 2 E bracket F
Please help with Steel and Concrete Design problem, will thumbs up if correct!
Design According to ACI 318-19 CODE if possible, otherwise mention the code used for the design
2. The column in figure is reinforced with 10-32 mm diameter bars distributed around the perimeter. Load Pn will be applied with eccentricity "e" about the strong axis. Material strengths are fc' = 34 MPa, and fy = 415 MPa. The neutral axis c = 360 mm from extreme concrete in compression. For this problem, b = 350 mm, h = 680 mm, and dc = 67 mm. Do not consider displaced concrete occupied by the steel. de a d. a) What is the total compressive force in concrete? b) What is the stress of steel at rows 1 to 4? c) What is the value of nominal column load, Pn? d) What is the value of eccentricity, e? e) What is the value of nominal column moment, Mn? e Figure 5-2 - Pr
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.
Considering the nominal shear stress on concrete is fv = 0.78 MPA. Calculate the allowable max spacing for 2-legged 10mm stirrups?. Use simplified calculation for Vc. Beam dimensions are 392 x 729 mm Effective cover of steel reinforcement = 70 mm Fy = 275 MPA Spacing should be multiples of 10mm
Determine the nominal flexural strength for the following section if: Specified Compressive Strength of Concrete is 4000 psi. Specified yield strength for the reinforcement is 60000 psi. /- -10 in.- -14 in. 4 in. 8 in. 4 #8 7 in. 3 in. -24 in.-
[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
300 mm 2D16 mm 3D20 mm For the reinforced concrete beam shown, calculate the bending stresses (fc, fs,and fs') in the concrete and reinforcement for a service-load bending moment of 115 kN-m. Assume normal-weight concrete with fc'=28 MPC and Grade 60 reinforcement (fy=415 MPa). Assume a cracked section ww 009 d'= 50 mm d= 546 mm
* Wp does not include beam weight PL=lo kips @p= 2 kip/ft @₁ = 4 kip/ft (Cantilever beam) 12 ft (A) f = 5,000 psi; f = 60,000 psi Unit weight of concrete = 150 lb/cu.ft. 2 in. 28 in. @Find the required Shear reinforcement needed at the most critical Section 3 # 11 bars 12 in. Determine location on the beam where shear reinforcement is not necessary. 30 in.
Design a monolithic concrete slab indicated below. The floor slab is to carry a service live load of 2.7KPA uniformly distributed over its surface and service deadloads of 1.1KPa for floor finish and 0.72KPa for ceiling. Use fc = 21MPA, fy = 276 MPa, Unit weight of Conc = 23.54KN/m³. Sketch the reinforcement detail. -4.5000+3.0000-4.0000- -4.5000- 5.2000 SLAB 1 6.4000 7.0000 3.0000

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