W C P ?· Code: 9A01504 . B.Tech III Year I Semester (R09) Regular & Supplementary Examinations December…

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  • Code: 9A01504

    B.Tech III Year I Semester (R09) Regular & Supplementary Examinations December 2014STRUCTURAL ANALYSIS II

    (Civil Engineering)

    Time: 3 hours Max Marks: 70 Answer any FIVE questions

    All questions carry equal marks *****

    Contd. in page 2

    Page 1 of 2

    1 Determine the horizontal reaction in a semi-circular two hinged arch when a load W acts at a point P as shown in figure below. Assume uniform flexural rigidity.

    2 (a) Explain in detail about Castiglianos first theorem.(b) Determine horizontal thrust developed in a semi circular arch of radius R subjected to a

    concentrated load W at the crown.

    3 Analyze the portal frame ABCD having supports A and D as fixed. BC & CD portions having anudl of intensity 20 kN/m by using slop deflection method and draw bending moment diagram.Flexural rigidity (EI) is same for all members.

    4 Analyze the portal frame shown in figure using Moment distribution method.

    5 Analyze the continuous beam shown in the following figure by Kanis method.

    R09

    P

    C

    A

    B

    R

    H

    W

    H

    80 kN

    6 m 1.5

    2

    4 m

    A

    B C

    D 4 m

    6 m

    2 m

    4 m 4 m

    2 m 2 m

    2

    20 kN 40 kN 30 kN15 kN/m

    A B C

    D

    www.jntuking.com

    www.jntuking.com

    www.

    jntuk

    ing.co

    m

  • Code: 9A01504

    *****

    Page 2 of 2

    6 Analyze the continuous beam shown in figure below by Flexibility matrix method.

    7 Analyze the continuous beam shown in figure below by Displacement method. Take EI constant

    throughout.

    8 (a) Define plastic hinge and plastic moment capacity. (b) Determine the shape factor for the triangular section.

    R09

    60 kN/m 100 kN

    A B C

    4 m 3 m

    1.5 m

    1.5 m 3 m 4 m

    A C B

    100 kN 60 kN/m

    www.jntuking.com

    www.jntuking.com

    www.

    jntuk

    ing.co

    m

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