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USN 15CV62
Sixth Semester B.E. Degree Examinations,
Design of Steel Structural Elements
Time: 3hrs. Max. Marks: 80
Note: 1.Answer and FIVE full questions, choosing one full question from each module.
2. Use of IS800 steel table is permitted
Module-1
1. a List the advantages and disadvantages of steel structures. (10 Marks)
b List the loads to be considered for design of steel structures with reference
codes.
OR
(06 Marks)
2. a Calculate the shape factor of circular section of diameter D. (06 Marks)
b Calculate Mp for the continuous beam shown in figure, Q2b if load factor
is3.2.
Fig. Q2b
Module-2
(10 Marks)
3. a List the types of failures in bolted connection with sketches. (06 Marks)
b Design the double cover butt joint to be connected by two plates of thickness
10mm and 18mm. Cover plates for butt joint is of 8mm thickness. The load
transmitted through the joint is 200kN.
(10 Marks)
OR
4. a.
b.
List the type of welded joint with sketches.
A tie member of a roof truss consists of 2-ISA 100x75x8 mm. The angles are
connected to either side of a gusset plate and the member subjected to a
factored load of 450kN. Design the welded connection. Assume the
connections are made in the workshop.
(06 Marks)
(10 Marks)
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Module-3
5. a. List the failure modes of compression members. (06 Marks)
b. A column consisting of ISHB 400 759.3 N/m has length of 4.5m. It is
hinged at both ends. Determine the axial load carrying capacity of the
column.
(10 Marks)
OR
6. a Design a laced column with two channels back to back of length 8m to carry
an axial factored load of 1000kN. The column is hinged at both ends.
(16 Marks)
Module-4
7. a List the factors affecting the strength of tension members. (06 Marks)
b Design a tie member consisting of a single angle to carry a tensile force of
200kN. The length of tension member is 3.5m and subjected to reversal of
stresses due to wind forces. Use 18mm Diameter bolts.
(10 Marks)
OR
8. a.
b.
A column section ISHB300 577N/m is carrying a factored load of 600kN,
a factored moment 30kNm and a factored shear force of 60kN. Design a
suitable column splice.
Design a slab base for a column ISHB300@577N.m carrying an axial
factored load of 1000kN. M20 concrete is used for foundation. Provide
welded connection between column and base plate.
(08 Marks)
(08Marks)
Module
9. a. List the various factor affecting the lateral stability of a beam. (06 Marks)
b. Design a cantilever beam which is casted monolithic into concrete wall and
carrying a Dead load of 25kN/m and Live load of 10kN/m. Span of the beam
is 5.0m
(10 Marks)
OR
10 a. Design a purlin on a sloping roof with the Dead load 0.2kN/m2, Live load
2kN/m2 and wind load of 1kN/m2 (suction). The spacing of purlin is 2.5m c/c
and span of 4m. Assume the ends are simply supported and slope of 25O.
Use channel section as purlin.
(16 Marks)