Friday, August 3, 2018

SLOPE AND DEFECTION OF BEAM

                                    SLOPE EQUATION OF CANTILEVERED BEAM

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SLOPE AND DEFLECTION AT THE FREE END

30 kN 3 m Tap image to zoom EI is constant. Assume that El is in kN . m2. Use the principle of virtual work to solve this problem. Part A Determine the slope at point A measured counterclockwise from the positive a axis. Express your answer in terms of E and I. Express the coefficients using three significant figures.


CALCULATE THE DEFLECTION AT POINT C OF THE CANTILEVER BEAM WITH SUPPORT 


CALCULATE THE REACTIONS OF THE BEAM



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VALUE OF INTEGRATION BY TRAPEZOIDAL AND SIMPSONS RULE


Approximate the definite integral?xln(x+1)dz, using The Trapezoidal Rule a. b. Simpsons Rule Use 4 intervals for both methods.

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DEFLECTION OF BEAM

DEFLECTION OF BEAM USING MACALYS METHOD

Determine the

1) The elastic curve for both slope and deflection2) Deflection at mid-span3) Position where deflection is maximum4) slope and deflection at x=1; 1.5; and x=3 of the loaded beam shown below





DEFLECTION OF BEAM USING VIRTUAL WORK METHOD

2. Determine the displacement at point C of the beam shown in Figure -2. Consider El is constant and use the virtual work method 15 kN 6 kN/m 3m Figure 2



DEFLECTION OF BEAM USING CONJUGATE BEAM METHOD

4. Determine the deflections at poi the Conjugate-Beam method. E- 29X103 ksi and I -800 in. nts B and C AB and ?c) of the beam shown below using 20 points 5 3 15 15



DEFLECTION OF BEAM USING SUPERPOSITION METHOD

Part C-Advanced Question This question is designed for students who seek to obtain a mark of Distinction or higher. It is not necessarily mathematically difficult, but requires more thinking, visualisation, and application than the other questions. The majority of marks will be awarded for completed questions, and only minor marks will be awarded for partially answered questions. The marks awarded in this section are bonus marks. 5) 10 Marks Consider a cantilever of total length L. The beam experiences 3 vertical point loads, each of magnitude P, acting at L/3, 2L/3 and L along the beam. The beam has a constant cross-section with second moment of area /and demonstrates linear elastic behaviour with elastic modulus E. What is the maximum deflection of the beam in terms of P, I, E and L? (Sufficient working to justify your answer is required) You may take advantage of the standard case of a cantilever with a single point load at the tip. In class it was shown that the deflected shape takes the form


CALCULATE THE SLOPE AND DEFLECTION USING MOMENT AREA, CONJUGATE BEAM AND VIRTUAL LOAD OF CANTILEVERED BEAM

QUESTION 1 (150 marks, allow 30 minutes) A cantilever beam ABC is loaded as shown in Figure 1, A is a fixed support. Assume E = 200 GPa and I = 100 x 106 mm4. (a) Using the moment area method, determine the slope at C (b) Using the conjugate beam method, determine the slope at B (c) Using the virtual work method, determine the vertical deflection at B. (50 marks) (50 marks) (50 marks) 60 kN 1.8 m 1.8 m Figure 1



CALCULATE THE DEFLECTION AT MIDPOINT OF BEAM AND EQUATION OF ELASTIC CURVE



 MAXIMUM DEFLECTION OF BEAM USING DOUBLE INTEGRATION METHOD













12 kN m





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Wednesday, July 18, 2018

TRUSS STRUCTURE

Calculate the diagonal distortion along BG due to the applied loads on the truss shown below (cross- sectional area A, E = 2 x 105 MPa) 2 2 +?????????





CALCULATE  THE FORCES IN THE MEMBER OF TRUSSES

0kN 8 KN 4 KN 1.5 m 2 m Determine the force in each member of the truss and state if it is in tension or compression. 3LN 2kN Determine the force in each member of the truss and state if it is in tension or compression. Hint: is solving for the reactions necessary?


 

CALCULATE  THE FORCES IN THE MEMBER OF TRUSSES

Problem 2: Use SAP2000 determine the force in each member of the truss. State if the members are in tension or compression. Assume all members are pin connected. Compare hand calculations with software results, print deflection, reaction, and axial force results L1 L1



 

CALCULATE THE FORCES IN THE MEMBER OF TRUSS

Do not round intermediate calculations, however for display purposes report intermediate steps rounded to four significant figures. Give your final answer(s) to three significant figures. Determine the force in each member of the Warren bridge truss shown. State whether each member is in tension or compression. Express the magnitude of each force as a positive value. 18 ft 36 ft 36 ft 18 ft 24 ft A5 36C36E36m 5.5 kips 5.5 kips kips (select) AB


CALCULATE THE HORIZONTAL DISPLACEMENT OF JOINT B FOR THE TRUSS




CALCULATE THE FORCES IN THE MEMBER OF TRUSS


CALCULATE THE FORCES IN THE MEMBER OF TRUSS



CALCULATE THE FORCES IN THE MEMBER OF TRUSS USING METHOD OF SECTIONS


CALCULATE THE FORCES IN THE MEMBER OF TRUSS

4. Find forces in all the members of the truss. 4 4 12



CALCULATE  THE FORCES IN THE MEMBER OF TRUSSES



Consider the truss shown in 2 m 1.5 m 1.5 m V8 kN
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