Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________?

Related Mcqs:

1. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?

   A. 75 t2/h
   B. 125 t3/h2
   C. 125 t2/h
   D. 175 t2/h

   where, t = the web thickness in mm
   h = the outstand of stiffener in mm

2. Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is______________?

   A. 5 mm
   B. 6 mm
   C. 8 mm
   D. 10 mm

3. The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?

   A. 1.5dV/C
   B. 1.5d¥/C
   C. 1.5d¥/C2
   D. 1.5dY/C3

   where, ‘t’ is the minimum required thick-ness of the web and ‘C is the maximum permitted clear distance between vertical stiffener for thickness ‘t’

4. Shear buckling of web in a plate girder is prevented by using________________?

   A. vertical intermediate stiffener
   B. horizontal stiffener at neutral axis
   C. bearing stiffener
   D. none of the above

5. The forces acting on the web splice of a plate girder are__________________?

   A. axial forces
   B. shear and axial forces
   C. shear and bending forces
   D. axial and bending forces

6. Economical depth of a plate girder corresponds to_________________?

   A. minimum weight
   B. minimum depth
   C. maximum weight
   D. minimum thickness of web

7. Horizontal stiffener in a plate girder is provided to safeguard against_______________?

   A. shear buckling of web plate
   B. compression buckling of web plate
   C. yielding
   D. all of the above

8. The maximum spacing of vertical stiffeners is_________________?

   A. 1.33 d
   B. 1.25 d
   C. 1.5 d
   D. 1.75 d

   where d is the distance between flange angles

9. Minimum spacing of vertical stiffeners is limited to________________?

   A. d/4
   B. d/3
   C. d/2
   D. 2d/3

   where d is the distance between flange angles

10. Rivets connecting flange angles to cover plates in a plate girder are subjected to_________________?

    A. horizontal shear only
    B. vertical load only
    C. both (A. and (B.
    D. none of the above