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Test: Plate Girders - 2 - Civil Engineering (CE) MCQ


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10 Questions MCQ Test - Test: Plate Girders - 2

Test: Plate Girders - 2 for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Plate Girders - 2 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Plate Girders - 2 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Plate Girders - 2 below.
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Test: Plate Girders - 2 - 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

Detailed Solution for Test: Plate Girders - 2 - Question 1

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.

Test: Plate Girders - 2 - Question 2

Economical depth of a plate girder corresponds to

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Test: Plate Girders - 2 - Question 3

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

Test: Plate Girders - 2 - 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?

Detailed Solution for Test: Plate Girders - 2 - Question 4

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.

Test: Plate Girders - 2 - 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?

Detailed Solution for Test: Plate Girders - 2 - Question 5

Vertical stiffness are required in a welded plate girders when,

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

Test: Plate Girders - 2 - 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

Test: Plate Girders - 2 - Question 7

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

Test: Plate Girders - 2 - Question 8

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

Test: Plate Girders - 2 - 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

Test: Plate Girders - 2 - Question 10

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

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