Categories: Third Year Second Semester (3-2)

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES (Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a welded plate girder of 20 m span using the tension field action for the

following factored forces.

Maximum moment, M

z

= 5000 KNm

Maximum shear force = 900 KN

The girder is laterally restrained. Connections need not be designed.

Draw to scale the longitudinal and cross section for the welded plate girder showing all

the details

[28M]

2 A column ISHB 350 @ 661.2 N/m carries an axial compressive factored load of

1700 KN. Design a suitable welded gusset base. The base rests on M 20 grade of

concrete. Draw to scale the plan, elevation and sectional elevation showing the details

of welded gusset base including connections.

[28M]

PART -B

3 a)b)c)Explain various types of welding processes with neat diagrams.

List out and explain various advantages and disadvantages of welded connections over

riveted connections.

Classify welds according to the following:

i) According to position ii) According to type of joint. Explain with neat diagrams.

[14M]

4 Design a slab base for a column ISHB 350 @ 710.2 N/m subjected to an factored axial

compressive load of 1500 KN for the following conditions

i) Load is transferred to the base plate by direct bearing of column flanges.

The base rests on concrete pedestal of grade M 20. Draw a neat sketch showing all the

details.

[14M]

5 Design a simply supported beam of span 6m carrying a reinforced concrete floor

capable of providing lateral restraint to the top compression flange. The uniformly

distributed load is made up of 30 KN/m imposed load and 30 KN/m dead load (section

is stiff against bearing). Assume Fe 410 grade steel.

[14M]

6 Design a laced column 10 m long to carry a factored axial load of 1100 KN. The

column is restrained in position but not in direction at both ends. Provide single lacing

system with welded connections for channels back to back.

[14M]

7 a)b)What are the reasons for using welded connections?

Explain about types and properties of welds with neat sketches.

[14M]

*****

R13

SET – 1

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES (Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a welded plate girder of 20 m span using the tension field action for the

following factored forces.

Maximum moment, M

z

= 5000 KNm

Maximum shear force = 900 KN

The girder is laterally restrained. Connections need not be designed.

Draw to scale the longitudinal and cross section for the welded plate girder showing all

the details

[28M]

2 A column ISHB 350 @ 661.2 N/m carries an axial compressive factored load of

1700 KN. Design a suitable welded gusset base. The base rests on M 20 grade of

concrete. Draw to scale the plan, elevation and sectional elevation showing the details

of welded gusset base including connections.

[28M]

PART -B

3 a)b)c)Explain various types of welding processes with neat diagrams.

List out and explain various advantages and disadvantages of welded connections over

riveted connections.

Classify welds according to the following:

i) According to position ii) According to type of joint. Explain with neat diagrams.

[14M]

4 Design a slab base for a column ISHB 350 @ 710.2 N/m subjected to an factored axial

compressive load of 1500 KN for the following conditions

i) Load is transferred to the base plate by direct bearing of column flanges.

The base rests on concrete pedestal of grade M 20. Draw a neat sketch showing all the

details.

[14M]

5 Design a simply supported beam of span 6m carrying a reinforced concrete floor

capable of providing lateral restraint to the top compression flange. The uniformly

distributed load is made up of 30 KN/m imposed load and 30 KN/m dead load (section

is stiff against bearing). Assume Fe 410 grade steel.

[14M]

6 Design a laced column 10 m long to carry a factored axial load of 1100 KN. The

column is restrained in position but not in direction at both ends. Provide single lacing

system with welded connections for channels back to back.

[14M]

7 a)b)What are the reasons for using welded connections?

Explain about types and properties of welds with neat sketches.

[14M]

*****

R13

SET – 1

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES

(Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a column of effective length 5.9 m. It is subjected to a factored axial

compressive load of 2000 KN. Provide two channels back to back connected with

battens by site welded connection. Use steel of grade Fe 410. Draw to scale the plan and

elevation showing all the details.

[28M]

2 Design a welded plate girder 24 m in span and laterally restrained throughout. It has to

support a uniform load of 100 KN/m throughout the span exclusive of self weight.

Design the girder without intermediate transverse stiffeners. The steel for the flange and

web plates is of grade Fe 410. Design the cross section, the end load bearing stiffener

and connections. Also draw to scale the Elevation and cross section.

[28M]

PART ?B

3 Design a laterally unsupported beam for the following data.

Effective span: 4m

Maximum bending moment: 550 KNm

Maximum shear force: 200kN

Steel grade: Fe 410

[14M]

4 A column section ISHB 350 @ 661.2 N/m carries a factored axial compressive load of

1650 KN and factored bending moment of 90 KNm. Design the base plate and its

connections. Assume concrete pedestal of M 20 grade.

[14M]

5 What is lacing. Explain with neat sketches various types of lacings and their

arrangement. Describe procedure of designing lacing.

[14M]

6 Explain about the procedure for the design of tension members as per IS code

recommendations.

[14M]

7 Design a channel purlin for an industrial building located at Guwahati with a span of 20

m and a length of 50 m. The roofing is galvanized iron sheeting. Basic wind speed is 50

m/s and the terrain is an open industrial area. Building is class B building with a clear

height of 8 m at eaves.

[14M]

*****

R13

SET – 2

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES (Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a welded plate girder of 20 m span using the tension field action for the

following factored forces.

Maximum moment, M

z

= 5000 KNm

Maximum shear force = 900 KN

The girder is laterally restrained. Connections need not be designed.

Draw to scale the longitudinal and cross section for the welded plate girder showing all

the details

[28M]

2 A column ISHB 350 @ 661.2 N/m carries an axial compressive factored load of

1700 KN. Design a suitable welded gusset base. The base rests on M 20 grade of

concrete. Draw to scale the plan, elevation and sectional elevation showing the details

of welded gusset base including connections.

[28M]

PART -B

3 a)b)c)Explain various types of welding processes with neat diagrams.

List out and explain various advantages and disadvantages of welded connections over

riveted connections.

Classify welds according to the following:

i) According to position ii) According to type of joint. Explain with neat diagrams.

[14M]

4 Design a slab base for a column ISHB 350 @ 710.2 N/m subjected to an factored axial

compressive load of 1500 KN for the following conditions

i) Load is transferred to the base plate by direct bearing of column flanges.

The base rests on concrete pedestal of grade M 20. Draw a neat sketch showing all the

details.

[14M]

5 Design a simply supported beam of span 6m carrying a reinforced concrete floor

capable of providing lateral restraint to the top compression flange. The uniformly

distributed load is made up of 30 KN/m imposed load and 30 KN/m dead load (section

is stiff against bearing). Assume Fe 410 grade steel.

[14M]

6 Design a laced column 10 m long to carry a factored axial load of 1100 KN. The

column is restrained in position but not in direction at both ends. Provide single lacing

system with welded connections for channels back to back.

[14M]

7 a)b)What are the reasons for using welded connections?

Explain about types and properties of welds with neat sketches.

[14M]

*****

R13

SET – 1

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES

(Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a column of effective length 5.9 m. It is subjected to a factored axial

compressive load of 2000 KN. Provide two channels back to back connected with

battens by site welded connection. Use steel of grade Fe 410. Draw to scale the plan and

elevation showing all the details.

[28M]

2 Design a welded plate girder 24 m in span and laterally restrained throughout. It has to

support a uniform load of 100 KN/m throughout the span exclusive of self weight.

Design the girder without intermediate transverse stiffeners. The steel for the flange and

web plates is of grade Fe 410. Design the cross section, the end load bearing stiffener

and connections. Also draw to scale the Elevation and cross section.

[28M]

PART ?B

3 Design a laterally unsupported beam for the following data.

Effective span: 4m

Maximum bending moment: 550 KNm

Maximum shear force: 200kN

Steel grade: Fe 410

[14M]

4 A column section ISHB 350 @ 661.2 N/m carries a factored axial compressive load of

1650 KN and factored bending moment of 90 KNm. Design the base plate and its

connections. Assume concrete pedestal of M 20 grade.

[14M]

5 What is lacing. Explain with neat sketches various types of lacings and their

arrangement. Describe procedure of designing lacing.

[14M]

6 Explain about the procedure for the design of tension members as per IS code

recommendations.

[14M]

7 Design a channel purlin for an industrial building located at Guwahati with a span of 20

m and a length of 50 m. The roofing is galvanized iron sheeting. Basic wind speed is 50

m/s and the terrain is an open industrial area. Building is class B building with a clear

height of 8 m at eaves.

[14M]

*****

R13

SET – 2

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES

(Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a gantry girder to be used in an industrial building carrying a manually operated

overhead travelling crane, for the following data:

Crane capacity 200 KN

Self-weight of crane girder excluding trolley 200 KN

Self-weight of the trolley, electric motor, hook, etc. 40 KN

Approximate minimum approach of the crane hook to the gantry girder 1.2 m

Wheel base 3.5 m

c/c distance between gantry rails 16 m

c/c distance between columns (span of gantry girder) 8 m

Self-weight of rail section 300 N/m

Diameter of crane wheels 150 mm

Steel is of grade Fe 410. Design only the section and check for moment capacity.

Draw to scale the longitudinal section and cross section.

[28M]

2 Design a welded plate girder 24 m in span and laterally restrained throughout. It has to

support a uniform load of 100 KN/m throughout the span exclusive of self weight.

Design the girder with intermediate transverse stiffeners. The steel for the flange and

web plates is of grade Fe 410. Design the cross section, the end load bearing stiffener

and connections need not be designed. Use post critical method for the design. Draw

to scale the elevation and cross section showing all the details of reinforcement.

[28M[

PART -B

3 Design a laterally supported beam of effective span 6 m for the following data.

Steel grade: Fe 410

Maximum bending moment: 150 KNm

Maximum shear force: 210 kN

Check for deflection is not required.

[14M]

4 What is a batten? Explain with neat sketches various types of battens and their

arrangement. Describe procedure of designing a batten system.

[14M]

5 A column in an industrial building has to carry a total axial load of 2000 KN. Its length

is 6m, and is effectively restrained in position as well as direction at both the ends.

Design a double I section with plates on both sides for the column and a slab base for

foundation. Take safe compressive stress on concrete as 30MPa.

[14M]

6 Design a base plate for an ISHB 350 column to carry a factored load of 1200 KN.

Assume Fe 410 grade steel and M 25 concrete.

[14M]

7 Explain procedural steps involved in design of a roof truss for an industrial building.

List out various loads acting and their combinations so as to produce critical loading

conditions for the truss.

*****

[14M]

R13

SET – 3

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES (Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a welded plate girder of 20 m span using the tension field action for the

following factored forces.

Maximum moment, M

z

= 5000 KNm

Maximum shear force = 900 KN

The girder is laterally restrained. Connections need not be designed.

Draw to scale the longitudinal and cross section for the welded plate girder showing all

the details

[28M]

2 A column ISHB 350 @ 661.2 N/m carries an axial compressive factored load of

1700 KN. Design a suitable welded gusset base. The base rests on M 20 grade of

concrete. Draw to scale the plan, elevation and sectional elevation showing the details

of welded gusset base including connections.

[28M]

PART -B

3 a)b)c)Explain various types of welding processes with neat diagrams.

List out and explain various advantages and disadvantages of welded connections over

riveted connections.

Classify welds according to the following:

i) According to position ii) According to type of joint. Explain with neat diagrams.

[14M]

4 Design a slab base for a column ISHB 350 @ 710.2 N/m subjected to an factored axial

compressive load of 1500 KN for the following conditions

i) Load is transferred to the base plate by direct bearing of column flanges.

The base rests on concrete pedestal of grade M 20. Draw a neat sketch showing all the

details.

[14M]

5 Design a simply supported beam of span 6m carrying a reinforced concrete floor

capable of providing lateral restraint to the top compression flange. The uniformly

distributed load is made up of 30 KN/m imposed load and 30 KN/m dead load (section

is stiff against bearing). Assume Fe 410 grade steel.

[14M]

6 Design a laced column 10 m long to carry a factored axial load of 1100 KN. The

column is restrained in position but not in direction at both ends. Provide single lacing

system with welded connections for channels back to back.

[14M]

7 a)b)What are the reasons for using welded connections?

Explain about types and properties of welds with neat sketches.

[14M]

*****

R13

SET – 1

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES

(Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a column of effective length 5.9 m. It is subjected to a factored axial

compressive load of 2000 KN. Provide two channels back to back connected with

battens by site welded connection. Use steel of grade Fe 410. Draw to scale the plan and

elevation showing all the details.

[28M]

2 Design a welded plate girder 24 m in span and laterally restrained throughout. It has to

support a uniform load of 100 KN/m throughout the span exclusive of self weight.

Design the girder without intermediate transverse stiffeners. The steel for the flange and

web plates is of grade Fe 410. Design the cross section, the end load bearing stiffener

and connections. Also draw to scale the Elevation and cross section.

[28M]

PART ?B

3 Design a laterally unsupported beam for the following data.

Effective span: 4m

Maximum bending moment: 550 KNm

Maximum shear force: 200kN

Steel grade: Fe 410

[14M]

4 A column section ISHB 350 @ 661.2 N/m carries a factored axial compressive load of

1650 KN and factored bending moment of 90 KNm. Design the base plate and its

connections. Assume concrete pedestal of M 20 grade.

[14M]

5 What is lacing. Explain with neat sketches various types of lacings and their

arrangement. Describe procedure of designing lacing.

[14M]

6 Explain about the procedure for the design of tension members as per IS code

recommendations.

[14M]

7 Design a channel purlin for an industrial building located at Guwahati with a span of 20

m and a length of 50 m. The roofing is galvanized iron sheeting. Basic wind speed is 50

m/s and the terrain is an open industrial area. Building is class B building with a clear

height of 8 m at eaves.

[14M]

*****

R13

SET – 2

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES

(Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a gantry girder to be used in an industrial building carrying a manually operated

overhead travelling crane, for the following data:

Crane capacity 200 KN

Self-weight of crane girder excluding trolley 200 KN

Self-weight of the trolley, electric motor, hook, etc. 40 KN

Approximate minimum approach of the crane hook to the gantry girder 1.2 m

Wheel base 3.5 m

c/c distance between gantry rails 16 m

c/c distance between columns (span of gantry girder) 8 m

Self-weight of rail section 300 N/m

Diameter of crane wheels 150 mm

Steel is of grade Fe 410. Design only the section and check for moment capacity.

Draw to scale the longitudinal section and cross section.

[28M]

2 Design a welded plate girder 24 m in span and laterally restrained throughout. It has to

support a uniform load of 100 KN/m throughout the span exclusive of self weight.

Design the girder with intermediate transverse stiffeners. The steel for the flange and

web plates is of grade Fe 410. Design the cross section, the end load bearing stiffener

and connections need not be designed. Use post critical method for the design. Draw

to scale the elevation and cross section showing all the details of reinforcement.

[28M[

PART -B

3 Design a laterally supported beam of effective span 6 m for the following data.

Steel grade: Fe 410

Maximum bending moment: 150 KNm

Maximum shear force: 210 kN

Check for deflection is not required.

[14M]

4 What is a batten? Explain with neat sketches various types of battens and their

arrangement. Describe procedure of designing a batten system.

[14M]

5 A column in an industrial building has to carry a total axial load of 2000 KN. Its length

is 6m, and is effectively restrained in position as well as direction at both the ends.

Design a double I section with plates on both sides for the column and a slab base for

foundation. Take safe compressive stress on concrete as 30MPa.

[14M]

6 Design a base plate for an ISHB 350 column to carry a factored load of 1200 KN.

Assume Fe 410 grade steel and M 25 concrete.

[14M]

7 Explain procedural steps involved in design of a roof truss for an industrial building.

List out various loads acting and their combinations so as to produce critical loading

conditions for the truss.

*****

[14M]

R13

SET – 3

Code No: RT32013

III B. Tech II Semester Regular/Supplementary Examinations, April -2018

DESIGN AND DRAWING OF STEEL STRUCTURES

(Civil Engineering)Time: 3 hours Max. Marks: 70

Answer any ONE Question from Part ? A and any THREE Questions from Part ? B

Use : 1) IS 800 ? 2007 2) IS 875 ?steel table 3) Part III (wind loads)For all designs adopt Limit State Method

*****

PART ?A

1 Design a welded plate girder for a simply supported bridge deck beam with clear span of

20 m, subjected to the following.

DL including self weight = 20 KN/m

Imposed load = 10 KN/m

Two moving loads = 150 KN each spaced 2 m apart

Assume that the top compression flange of the plate girder is restrained laterally and

prevented from rotating. Use mild steel with f

y

= 250 MPa. Design as an unstiffened plate

girder with thick webs. Draw to scale the longitudinal section and cross section.

[28M]

2 Design a stiffened seat connection to join ISMB 350 @ 514 N/m with a column section

ISHB 300 @ 576.8 N/m. The beam transmits an end reaction of 320 KN due to factored

loads. Steel is of grade Fe 410. Draw the longitudinal and sectional elevation of the joint.

[28M]

PART -B

3 Design a steel beam section for supporting roof of a big hall for the following data and

apply the usual checks. Assume steel of grade Fe 410.

Clear span: 6.5m

End bearings: 150mm

c/c spacing of beams: 3m

Imposed load on the beam: 10 KN/m

2

Dead load inclusive of self weight: 4 KN/m

2

Restriction on beam depth: 375 mm

The compression flange of beam is laterally supported throughout.

[14M]

4 A column section ISHB 300 @ 618 N/m is to be spliced. The factored design loads are

axial load over the column is 450 KN, shear force is 100 KN and bending moment is

30 KNm. Design the splice plates and a butt weld for the column section. Use steel grade

of Fe 410.

[14M]

5 A column section ISHB 350 @ 661.2 N/m carries a factored axial compressive load of

1650 KN and factored bending moment of 180 KNm. Design the base plate and its

connections. Assume concrete pedestal of M 20 grade.

[14M]

6 Design an I ? section purlin, for an industrial building situated in outskirts of Allahabad, to

support a galvanized corrugated iron sheet roof for the following data.

Spacing of the truss c/c = 6 m

Span of truss = 12 m

Spacing of purlins c/c = 1.5 m

Intensity of wind pressure = 2 KN/m

2

Weight of galvanized sheets = 130 N/m

2

Steel grade = Fe 410

[14M]

7 An ISA 100 mm x 100 mm x 6 mm (f

y

= 250 N/mm

2

) is used as a strut in a truss. The

length of the strut between the intersections at each end is 3 m. Calculate the strength of

the strut if it is welded at each end.

[14M]

*****

R13

SET – 4

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