Figure 3 shows the cross-section of a square concrete-filled steel tubular (CFST) column. The thickness of the steel tube walls is 12 mm. The design compressive strength (f.) of concrete is 40 MPa. The yield strength (f,) of the steel tube is 310 MPa. Determine the axial load-moment strength interaction diagram of the cross-section of the CFST short column bending about its major principal x-axis of the cross-section. 400 + 12 -400- Figure 3. Cross-section of CFST column (Units: mm)

Figure 3 shows the cross-section of a square concrete-filled steel tubular (CFST) column. The thickness of the steel tube walls is 12 mm. The design compressive strength (f.) of concrete is 40 MPa. The yield strength (f,) of the steel tube is 310 MPa. Determine the axial load-moment strength interaction diagram of the cross-section of the CFST short column bending about its major principal x-axis of the cross-section. 400 + 12 -400- Figure 3. Cross-section of CFST column (Units: mm)

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

Asap please HW help
The cross section of a concrete corner column that is loaded uniformly in compression is shown in the figure. A circular pipe chase cut-outof 10 i n. in diameter r tins t he height of t he co \u m n (see figure).(a) Determine the average compression stress crr in the concrete if the load is equal to 3500 kips.(b) Determine the coordinates x and y{of the point where the resultant load must act in order to produce uniform normal stress in the column.
The concrete post is reinforced using six steel reiforcing rods, each having a diameter of 20 mm. Determine the stress in the concrete and the steel if the post is subjected to an axial load of 900 KN. Assume that E = 200 GPa for steel, and E= 25 GPa for concrete 900 KN 250 mm 375 mm stress in steel = 65.3 MPa and stress in concrete = 6.4 MPa stress in steel = 67.3 MPa and stress in concrete = 8.4 MPa stress in steel = 69.3 MPa and stress in concrete = 10.4 MPa stress in steel = 71.3 MPa and stress in concrete = 12.4 MPa O
The stress-strain diagram for polyester resin is shown in the figure. Both strut AB and column CD, madefrom this material, support the rigid beam AC. Calculate the angle of tilt of the beam when it is subjectedto load P = 60 kN. The diameter of the strut is 50 mm and the diameter of the column is 80 mm.Answer: θ = 0.327 degreesPlease indicate the location of the angle of tilt in the FBD.
Q.9
Question 6 The reinforced concrete beam shown in Figure 6 is encastré at both ends. It supports a udl over part of the span as shown. The beam has a cross section 300mm wide by 900mm deep. Take the E value of the concrete as 15GPA. Use the gross concrete section properties in any calculations. (1) (ii) Using the Differential equations of flexure, determine all the reactions Calculate the vertical deflection at the midspan of the beam in mm. Calculate the max sagging moment in the span. (iii) 100KN/m B 8m 6m Figure 6
Please solve only part 1 also draw free body diagram
A Normal-weight concrete T beam shown in the figure below is reinforced at the tension side by 3 - #25 bars. The concrete is assumingly uncracked and has a compressive strength of fe' = 29 MPa, fy=370 MPa, and the clear concrete cover is 40 mm, the modular ratio is n=9, and the web rein. is #10 mm. Determine the cracking moment (kN m) of the section using solution 2. 1300 125 250 500
A reinforced concrete beam (see figure)is acted on by a positive bending moment ofM = 160 kN . m. Steel reinforcement consists of4 bars of 28 mm diameter. The modulus of elasticityfor the concrete is Ec = 25 GPa while that of the steelis Es = 200 GPa.(a) Find the maximum stresses in steel and concrete.(b) If allowable stresses for concrete and steel areσac = 9.2 MPa and σas = 135 MPa, respectively,what is the maximum permissible positivebending moment?(c) What is the required area of steel reinforcement,As, if a balanced condition must be achieved?What is the allowable positive bending moment?(Recall that in a balanced design, both steel andconcrete reach allowable stress values simultaneouslyunder the design moment.)
/ For the rectangular reinforced concrete beam (shown below),determine the stress at the upper and lower fibers of concrete and at steel reinforcement if fc'=20 MPa
Please answer part 1,2, 3
Column AB is made from high strength pre-cast concrete and reinforced with four in. diameter A-36 steel rods. The allowable normal stress for the high strength concrete and the steel are (allow)con = 2.4 ksi and (allow)st = 24 ksi, respectively. The modulus of elasticity for high strength concrete is 4.2 × 10³ ksi and for A-36 steel is 29 x 10³ ksi. (Figure 1) Figure 10 ft 9 in. H 9 in. Section a-a Part A Determine the magnitude of the maximum allowable floor loading P. Express your answer to three significant figures and include the appropriate units. Pmax = Submit 04 μA Provide Feedback Value Request Answer Units ?