Download Visvesvaraya Technological University (VTU) BE ( Bachelor of Engineering) ECE (Electronic engineering) 2015 Scheme 2020 January Previous Question Paper 6th Sem Design of Steel Structural Elements

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USN

Sixth Semester B.E. Degree Examination, Dec.

Design of Steel Structural Elements

Time: 3 hrs.

Max. Marks: 80

Note: 1. Answer any FIVE full questions, choosing ONE full question from each In 0 du le.

2. Use of IS800-2007 and steel tables are allowed.

Module-1

1 a. Explain the advantages and disadvantages of steel structure. (08 Marks)

b. Distinguish between Working stress design and Limit state design of steel structure.

(08 Marks)

OR

2 a. Calculate the "Shape factor" for the Triangular section. (06 Marks)

b. Analyse the continuous beam "ABC" subjected to working loads show in Fig.Q2(b) and

determine the plastic moment. Use load factor is 1.5. (10 Marks)

I r

/4

r?

11_

Fig.Q2(b)

Module-2

3 a. Explain with neat sketches of various 'Mode of failure' of bolts connection? (06 Marks)

b. Determine the "bolt value" for a bolt MI6 and property class 4.6. Used to connect lap joint

as shown in Fig.Q3(b). Take ultimate Tensile Strength of plate 410 MPa. (10 Marks)

1

em-triJA.fr.e2__

8=49 ttomtv

Fig.Q3(b)

OR

4 a. What are the advantages and disadvantages of welded connection? (06 Marks)

h. Determine the bracket load that can resisted by the bracket shown in Fig.Q4(b) by fillet weld

of size 8mm.

(10 Marks)

Fig.Q4(b)

1 of 2

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4 2

USN

Sixth Semester B.E. Degree Examination, Dec.

Design of Steel Structural Elements

Time: 3 hrs.

Max. Marks: 80

Note: 1. Answer any FIVE full questions, choosing ONE full question from each In 0 du le.

2. Use of IS800-2007 and steel tables are allowed.

Module-1

1 a. Explain the advantages and disadvantages of steel structure. (08 Marks)

b. Distinguish between Working stress design and Limit state design of steel structure.

(08 Marks)

OR

2 a. Calculate the "Shape factor" for the Triangular section. (06 Marks)

b. Analyse the continuous beam "ABC" subjected to working loads show in Fig.Q2(b) and

determine the plastic moment. Use load factor is 1.5. (10 Marks)

I r

/4

r?

11_

Fig.Q2(b)

Module-2

3 a. Explain with neat sketches of various 'Mode of failure' of bolts connection? (06 Marks)

b. Determine the "bolt value" for a bolt MI6 and property class 4.6. Used to connect lap joint

as shown in Fig.Q3(b). Take ultimate Tensile Strength of plate 410 MPa. (10 Marks)

1

em-triJA.fr.e2__

8=49 ttomtv

Fig.Q3(b)

OR

4 a. What are the advantages and disadvantages of welded connection? (06 Marks)

h. Determine the bracket load that can resisted by the bracket shown in Fig.Q4(b) by fillet weld

of size 8mm.

(10 Marks)

Fig.Q4(b)

1 of 2

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Module-3

5 a. Explain the behavior of compression member. (06 Marks)

b. Determine the compressive strength of a strut of ISA 150x75x8 mm connected to a gusset

plate when (i) with one bolt (ii) with more than two bolts (iii) Welded.

Assume angle is axially loaded. Take length of the member is 3m. (10 Marks)

OR

6 Design a column section using double channels back to back to carry a factored load of

2000 kN. The height of the column is 5m with the column is hinged at both ends. Also

design the column with lacing with bolted connection. (16 Marks)

Module-4

7 a. What is Lug Angle/ Explain in brief with a neat diagram. (04 Marks)

b. Determine the tensile strength of a plate 160mm x 1 Omm connected with bolts of M18 in

two lines. (12 Marks)

OR

8 Compression member ISHB 300@ 63 kg/m is carrying a load of 800 kN. Take M20 grade of

concrete and 150 kN/m

2

SBC of soil. Design slab base and concrete base using welded or

bolted connection. (16 Marks)

Module-5

9 a. What are the factors, which affects lateral stability? (04 Marks)

b. Determine the design bending strength of a beam ISMB 300@ 434 N/m. Assume that the

factored shear force is less than the design shear strength. Use Fe-410 grade of steel.

(12 Marks)

OR

10 Design a suitable beam for a roof of dimension 7.5m x 12m consists of 100mm thick R.C.

slab supported on steel beams spaced at 3m centre to centre. The floor finishing may be

taken as 1 kN/m` and live load is 4 kN/m

2

. The self weight of beam is assumed as 1 kN/m

2

.

Take limiting defection as span/250. (16 Marks)

2 oft

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This post was last modified on 02 March 2020