Plate Girders - 2


10 Questions MCQ Test Topicwise Question Bank for GATE Civil Engineering | Plate Girders - 2


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This mock test of Plate Girders - 2 for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 10 Multiple Choice Questions for Civil Engineering (CE) Plate Girders - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Plate Girders - 2 quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Plate Girders - 2 exercise for a better result in the exam. You can find other Plate Girders - 2 extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
QUESTION: 1

The intermediate transverse stiffener is needed in plate girder when (d/tw) of web is
where d = depth of web;
tw = thickness of web plate

Solution:

IS : 800-1984 recommends the provision of web stiffeners as follows:

No stiffener is required

 Vertical stiffeners are provided.


Vertical stiffeners and one horizontal stiffener at a distance from the compression flange equal to two-fifths of the distance from the compression flange to the neutral axis are provided.

The requirement is the same as in (iii) plus a horizontal stiffener at the neutral axis, where d2 = 2 x clear distance from compression flange angles or plate or tongue plate to the neutral axis.

QUESTION: 2

Economical depth of a plate girder corresponds to

Solution:
QUESTION: 3

Shear buckling of web in a plate girder is prevented by using

Solution:
QUESTION: 4

Consider the following statements:
Bearing stiffeners are provided in a plate girder
1. to avoid local bending failure of flange
2. to prevent buckling of web
3. to strengthen the web
4. under the uniformly distributed loads

Which of these statements are correct?

Solution:

Bearing stiffeners are p ro vid e d under the concentrated loads and end reactions. It serves two purposes.
(i) It prevents the web from crushing and sideways (lateral) buckling under the load.
(ii) It relieves the rivets connecting the flange angles and web from vertical force.

QUESTION: 5

For a welded plate girder with vertical stiffeners, what is the maximum depth of web provisionable in design when the thickness of the web plate is 5 mm?

Solution:

Vertical stiffness are required in a welded plate girders when,

∴ dmin > 85 x 5 = 425 mm
dmax ≤ 200 x 5 = 1000 mm

QUESTION: 6

List-I contains some elements in design of a simply supported plate girder and List-II gives some qualitative locations on the girder. Match the items of two lists as per good design practice and relevant coda! provisions.

List-I
A. Flange splice
B. Web splice
C. Bearing stiffeners
D. Horizontal stiffener

List-ll
1. At supports (minimum)
2. Away from centre of span
3. Away from support
4. In the middle of span
5. Longitudinally somewhere in the compression flange
Codes:
     A B C D
(a) 2 3 1 5
(b) 4 2 1 3
(c) 3 4 2 1
(d) 1 5 2 3

Solution:
QUESTION: 7

Horizontal stiffener in a plate girder is provided- to safeguard against

Solution:
QUESTION: 8

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

Solution:
QUESTION: 9

When vertical intermediate stiffeners are subjected to bending moments due to eccentricity of vertical loads, their moment of inertia (cm4) is increased by
Where,
M = the applied bending moment kN-m
D = overall depth of girder in mm
E = Young’s modulus in MPa
t = thickness of web, mm

Solution:
QUESTION: 10

The web crippling due to excessive bearing stress can be avoided by

Solution:

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