TABLE OF CONTENTS

Sl. No. Contents

1 Syllabus

2 Evaluation scheme

3 Tentative syllabus of various tests/MUT

4 Time table

5 List of students

6 Previous academic result of students

7 Lecture plan

8 Lecture notes

9 Assignment plan and compilation

10 Previous year question papers

11 Question bank

SYLLABUS

ECE – 701

STEEL STRUCTURE I

Unit ‐ 1

General Considerations

Introduction, Advantages of Steel as a Structural. Material, Disadvantages of Steel as a Structural Material, Structural Steel, Stress‐Strain Curve for Mild Steel, Rolled Steel Sections, Convention for Member Axes, Loads, Dead Load, Live Loads, Environmental Loads, Seismic Forces, Snow and Rain Loads, Erection Loads, Basis for Design, Design Philosophies, Local Buckling of Plate Elements.

Introduction to Limit State Design

Introduction, Limit States for Steel Design, Limit States of Strength, Limit States of Serviceability, Actions (Loads), Probabilistic Basis for Design, Design Criteria

Unit ‐2

Simple Connections‐–Riveted, Bolted and Pinned Connections Introduction, Riveted Connections, Patterns of Riveted Joints, Bolted Connections, Types of Bolts, Types of Bolted Joints, Load Transfer Mechanism, Failure of Bolted Joints, Specification for Bolted Joints, Bearing‐Type Connections, Prying Action, Tensile Strength of Plate, Efficiency of the Joint, Combined Shear and Tension, Slip‐Critical Connections, Combined Shear and Tension for Slip‐Critical Connections, Working Load Design, Pin Connections \Simple Welded Connections Introduction, Types, Symbols, Welding Process, Weld Defects, Inspection of Welds, Assumptions in the Analysis of Welded Joints, Design of Groove Welds, Design of Fillet Welds, Fillet Weld Applied to the Edge of A Plate Or Section, Fillet Weld for Truss Members, Design of Intermittent Fillet Welds, Plug and Slot Welds, Stresses Due To Individual Forces, Combination of Stresses, Failure of Welds, Distortion of Welded Parts, Fillet Weld Vs Butt Weld, Welded Jointed Vs Bolted and Riveted Joints, Section of Fasteners, Working Load Design

Unit – 3

Tension Members Introduction, Types of Tension Members, Net Sectional Area, Effective Net Area, Types of Failure, Design Strength of Tension Members, Slenderness Ratio (λ), Displacement, Design of Tension Member, Lug Angles, Splices, Gusset Plate, Working Load Design

Unit – 4

Compression Members Introduction, Effective Length, Slenderness Ratio (λ), Types of Sections, Types of Buckling, Classification of Cross Sections, Column Formula, Design Strength, Design of Axially Loaded Compression Members, Built‐Up Columns (Latticed Columns), Lacing, Batten, Compression Member Composed of Two Components Back‐to‐Back, Encased Column, Splices, Design of Column Bases

Unit – 5

Beams Introduction, Types of Sections, Behavior of Beam in Flexure, Section Classification, Lateral Stability of Beams, Lateral‐Tensional Buckling, Bending Strength of Beams, Laterally Supported Beams, Laterally Unsupported Beams, Shear Strength of Beams, Web Buckling, Bearing Strength, Web Crippling, \Deflection, Design Procedure of Rolled Beams, Built‐Up Beams (Plated Beams), Lintels, Purlins, Beam Bearing Plates, Castellated Beam, Effect of Holes in Beam, Introduction to Plate Girder , Introduction to Gantry Girder

.

LIST OF TEXT BOOKS

Text Books

1. Limit State Design of Steel Structures by S. K. Duggal, Tata Mcgraw Hill.

2. Design of Steel Structures by K S Sairam, Pearson Education

Reference Books

3. Design of Steel Structures by N. Subramanian, Oxford University Press

4. Steel Structures by Robert Englekirk. Hohn Wiley & sons inc.

5. Structural Steel Design by Lambert tall (Ronald Press Comp. Newyork.

6. Design of steel structures by Willam T Segui , CENGAGE Learning

7. Structural Steel Design By D MacLaughlin , CENGAGE Learning

EVALUATION SCHEME

S. NO.

SUBJECT CODE SUBJECT NAME

PERIODS EVALUATION SCHEME

TOTAL CREDITSL T P SESSIONAL

END SEM

CT TA TOT P TH P

1 ECE-701 DESIGN OF STEEL STRUCTURE –i 3 1 0 30 20 50 - 100 - 150 4

TIME TABLE

DAY 9.15-10.15

10.15-11.15

11.15-12.15

12.15-1.15

LU

NC

H2.00-3.00 3.00-

4.004.00-5.00

MONDAYECE-701

ECE-553(G1)

TUESDAYECE-701

ECE-701 ECE-553(G2)

WEDNESDAYECE-701

ECE 553(G1)

THURSDAY ECE-701ECE-701

ECE 553 (G2)

FRIDAYECE-701 ECE-701

LIST OF STUDENTS

(Year : 4 th year)Sl No. Roll No. Name

1 1013200001 ABHISHEK CHAUDHARY2 1013200002 ABHISHEK PATHAK3 1013200003 ADITYA KUMAR 4 1013200005 AMARJEET SINGH5 1013200006 AMITESH RAWAT6 1013200007 ANKIT GULATI7 1013200008 ANURAG SOMVANSHI 8 1013200009 ARUN PRABODH YADAV9 1013200010 ASHISH TIWARI10 1013200011 AVINASH MANI 11 1013200012 AYUSH GUPTA12 1013200013 BABY 13 1013200014 CHANDRA SHEKHAR14 1013200015 DEEPAK ANAND15 1013200016 DHEERAJ KUMAR VERMA16 1013200018 GAGAN SINGH 17 1013200019 GAURAV JADAUN18 1013200020 HIMANSHU GOEL 19 1013200021 HIMANSHU TEWARI20 1013200022 INDU VERMA 21 1013200023 JITENDRA SINGH 22 1013200024 KARTIKEY MISHRA 23 1013200026 MADHAV DIXIT24 1013200027 MOHAMMAD AAQUIB25 1013200028 MOHIT GANGWAR 26 1013200029 MUKUL CHAUHAN 27 1013200030 NILAY SINGH 28 1013200031 NILESH TIWARI29 1013200032 NISHANT MANOHAR30 1013200033 NITESH KUMAR MAHTO 31 1013200034 PARVEZ 32 1013200035 PIYUSH PANI MISHRA33 1013200037 POOJA KUSHWAHA34 1013200038 PRAMEET RAJ SRIVASTAV35 1013200039 PRASHANT TIWARI

36 1013200040 PRATEEK KUMAR37 1013200041 PRATEEK UPADHYAY38 1013200042 PRINCE RAJ39 1013200043 PRIYATOSH PATEL 40 1013200045 RANJEET CHAUDHARY 41 1013200046 RAVI PRAKASH 42 1013200047 RISHABH PUNDHIR43 1013200048 RISHI SONI44 1013200049 SANIDHYA SHARMA 45 1013200050 SAURABH RAJ46 1013200051 SHAMBHAVI DUBE47 1013200052 SHARAD PRATAP SINGH YADAV48 1013200053 SHIKHA AGRAWAL49 1013200054 TUSHAY KUMAR 50 1013200055 UMESH GUPTA51 1013200056 VIKAS SINGH52 1013200057 VISHAL KUMAR JAISWAL53 1013200058 VISHAL SINGH 54 1013200060 YASHWANT KUMAR 55 1013213031 RAGHVENDRA SINGH56 1013213041 SHIVAM SINGH57 1013213050 SURYA PRAKASH YADAV58 1113200901 AKHIL SHUKLA59 1113200902 ASHWANI KUMAR YADAV60 1113200903 MIRZA ENAYATULLAH BAIG61

1113200904 SHEIKH MOHAMMAD MOHASIN62 1113200905 TARIQ AHMAD DAR63 1113200906 YOUNUS AHMAD DAR64 813200009 KRISHNA KUMAR65 813200426 VISHWAJEET MISHRA66

913200030 KULDEEP 67

913200059 VIKAS MOHAN KUSHWAHA68

913200061 VIPUL CHAWLA

LECTURE PLAN

Unit Topic Hours Date

1 Introduction, Advantages of Steel as a Structural. Material, Disadvantages of Steel as a Structural Material,

1 01/08/2013

1 Structural Steel, Stress Strain Curve for Mild Steel, Rolled‐ Steel Sections

1 02/08/2013

1 Convention for Member Axes, Loads, Dead Load, 1 03/08/2013

1 Live Loads, Environmental Loads, Seismic Forces, Snow and Rain Loads, Erection Loads,

1 05/08/2013

1 Basis for Design, Design Philosophies, Local Buckling of Plate Elements

1 06/08/2013

1 Introduction to Limit State Design 1 07/08/2013

1 Introduction, Limit States for Steel Design 1 08/08/2013

1 Limit States of Strength, Limit States of Serviceability 1 09/08/2013

1 Actions(Loads), Probabilistic Basis for Design 1 12/08/2013

1 Design Criteria 1 13/08/2013

1 Numerical 1 14/08/2013

2 Simple Connections‐–Riveted, Bolted and Pinned Connections

1 16/08/2013

2 Introduction, Riveted Connections 1 19/08/2013

2 Patterns of Riveted Joints, 1 21/08/2013

2 Bolted Connections 1 23/08/2013

2 Types of Bolts, Types of Bolted Joints, 1 26/08/2013

2 Load Transfer Mechanism, 1 27/08/2013

2 Failure of Bolted Joints 1 28/08/2013

2 Specification for Bolted Joints 1 29/08/2013

2 Bearing Type Connections‐ 1 30/08/2013

2 Prying Action, Tensile Strength of Plate 1 31/08/2013

2 Efficiency of the Joint 1 03/09/2013

2 Combined Shear and Tension 1 04/09/2013

2 Slip Critical Connections‐ 1 05/09/2013

2 Combined Shear and Tension for Slip Critical Connections‐ 1 06/09/2013

2 Working Load Design, Pin Connections 1 07/09/2013

2 Introduction, Types, Symbols, Welding Process, Weld Defects, Inspection of Welds

1 08/09/2013

2 Assumptions in the Analysis of Welded Joints 1 09/09/2013

2 Design of Groove Welds, Design of Fillet Welds 1 12/09/2013

2 Fillet Weld Applied to the Edge of A Plate Or Section 1 14/09/2013

2 Fillet Weld for Truss Members, Design of Intermittent Fillet Welds, Plug and Slot Welds, Stresses Due To Individual Forces, Combination of Stresses

1 16/09/2013

2 Failure of Welds, Distortion of Welded Parts, Fillet Weld Vs Butt Weld, Welded Jointed Vs Bolted and Riveted Joints

1 25/09/2013

2 Section of Fasteners, Working Load Design 1 26/09/2013

3 Introduction, Types of Tension Members 1 27/09/2013

3 Net Sectional Area, Effective Net Area 1 30/09/2013

3 Types of Failure, Design Strength of Tension Members 1 01/10/2013

3 Slenderness Ratio (λ), Displacement, 1 02/10/2013

3 Lug Angles 1 03/10/2013

3 Splices 1 04/10/2013

3 Gusset Plate 1 07/10/2013

3 Working Load Design 1 09/10/2013

3 Design of Tension Member 1 11/10/2013

4 Introduction, Effective Length, Slenderness Ratio (λ), 1 16/10/2013

4 Types of Sections, Types of Buckling 1 18/10/2013

4 Classification of Cross Sections, Column Formula, 1 20/10/2013

4 Design Strength, Design of Axially Loaded Compression

Members

1 23/10/2013

4 Built Up Columns (Latticed Columns)‐ , Lacing, Batten, 1 25/10/2013

4 Compression Member Composed of Two 1 27/10/2013

Components Back to Back‐ ‐

4 Encased Column 1 30/10/2013

4 Splices 1 01/11/2013

4 Design of Column Bases 1 04/11/2013

5 Introduction, Types of Sections, Behavior of Beam in

Flexure

1 05/11/2013

5 Section Classification, Lateral Stability of Beams, Lateral‐Tensional Buckling, Bending Strength of Beams

1 07/11/2013

5 Laterally Supported Beams, Laterally Unsupported Beams 1 08/11/2013

5 Shear Strength of Beams, Web Buckling, Bearing Strength 1 11/11/2013

5 Web Crippling 1 12/11/2013

5 Deflection, Design Procedure of Rolled Beams 1 13/11/2013

5 Built Up Beams (Plated Beams), Lintels, Purlins, Beam‐Bearing Plates

1 14/11/2013

5 Castellated Beam, Effect of Holes in Beam, 1 15/11/2013

5 Introduction to Plate Girder , Introduction to Gantry Girder 1 05/08/2013

ASSIGNMENT PLAN

UNIT-1

A.1.1 Enlist four common steel structures and state their functionsA.1.2 State advantages of steel structuresA.1.3 State disadvantages of steel structuresA.1.4 Enlist salient points in stress strain curve of mild steel and state their meaningsA.1.5 Enlist salient regions in stress-strain curve of mild steel and state their meaningsA.1.6 State four mechanical properties of structural steelA.1.7 State the values of Young’s modulus, Shear modulus, Poisson’s ratio, unit weight of structuralsteelA.1.8 Enlist common standard types of steel sections and state their applicationsA.1.9 Enlist the designations of standard I-sections, channel sections and angle sections and state theirlong formsA.1.10 State the use of steel tablesA.1.11 State 5 sectional properties given in a steel tableA.1.12 Which IS codes are used for i) General Construction in Steel ii) Loading StandardsA.1.13 State the use of i) IS:800-2007, ii) IS:875-1987, iii) SP:6(1)A.1.14 Enlist types of loads to be considered on a structureA.1.15 Enlist loads included in i) dead loads, ii) Imposed loadsA.1.16 State the common roofing materials and values of their weightsA.1.17 State two common cases of wind directionA.1.18 Referring IS:875-1987, state basic wind speed for i) Mysore, ii) Delhi, iii) BangloreA.1.19 State the meaning of the factors k1, k2 and k3 in wind load analysisA.1.20 Enlist two methods of analysis and design of steel structures. Which of them is the latest ?A.1.21 Define : Limit StateA.1.22 Enlist two main limit statesA.1.23 Enlist criteria included in limit state of strengthA.1.24 Enlist criteria included in limit state of serviceabilityA.1.25 Enlist four classification categories of steel sections as per IS:800-2007A.1.26 State in tabular form the values of b/tf and b/tw for I-section for plastic, compact and semi-compact class of sections

UNIT-2

DESIGN OF CONNECTION (BOLTED AND WELDED)

Q.1 A bracket plate is used to transmit reaction P from a beam to column flange as shown in figure. The bracket plate is connected to flange of column by 6mm fillet weld. Compute the maximum reaction P. also determine the necessary thickness of bracket plate.

150 mm 100mm P

100 mm

100 mm

DESIGN OF CONNECTION (BEAM TO BEAM . BEAM TO COLUMN)

Q.2 A Beam ISMB 300 is connected to a column ISMB 450 as shown in figure. The beam is transmitting a reaction of 500 Kn. And bending moment of 12 KN-m and bending moment of 120 KN-m. design a suitable welded connection.

ISMB 450

ISMB 300

Q.3 A Beam ISMB 450 transmits an end shear of 270 KN to the flange of column ISHB400@822 N/m. design the welded connection.

Q.4 A bracket plate is used to transmit reaction P from a beam to column flange as shown in figure. The bracket plate is connected to flange of column by 6mm fillet weld. Compute the maximum reaction P. also determine the necessary thickness of bracket plate.

Q.5 An ISMB 200 @254 N/m transmits an end reaction of 180 KN/m to the web of an ISMB 450 @724 N/m. Design a framed connection. Give a neat sketch.

Q.6 A Column section ISHB 450 carrying an axial load of 1000 Kn. The column is hinged at both the ends . the length of the column is 10 m. design the battens also.

100 kN

.

DESIGN OF WELDED PLATE GIRDER

Q.1 Design an economical built up column to carry an axial load of 1200 KN using two channels back to back. The unsupported length of column is 5.4 m. both ends are held in position and only one end is restrained against rotation. Also design a suitable lacing system. Take fy =260 M Pa.

Q.2 Design a gusseted base for a columnISHB450@872 N/m with one plate 300 x 10 mm carries an axial load of 2200 KN. The column is supported on concrete pedestal with bearing capacity of 4 Mpa.

Q.3 Design a welded plate girder 24 m in effective span and simply supported at ends. It carries an uniformly distributed load of 100 kN/m. draw section at support and front elevation of plate girder.

Q.5A Laterally supported plate girder having effective span of 24 m is subjected to UDL of 80 KN/m on complete span along with three concentrated loads of 180 Kn each at quarter points . Using 8mm,10mm and 12mm thick plates, design the maximum section for the plate girder. Check the section using MI method. Design suitable welded connection between the web and the flange .Also design the curtailment and stiffeners required. Assume fy=250 Mpa.

Q.6 A column section ISHB 300@0.63 KN/m with cover plate 350 x16 mmon either side is carrying an axial load of 3000 Kn. Design a gusseted base. The allowable bearing pressure of concrete is 4 Mpa and base plate is 185 Mpa.SBC of soil is 190 KN/m2Assume fy=260 Mpa.

UNIT-3.

A.3.1 Define : Tension MemberA.3.2 State two common occurrences of a tension memberA.3.3 What is net sectional area of a tension member ?A.3.4 Enlist three modes of failure of a tension memberA.3.5 Define : i) Working load ii) Factored loadA.3.6 What is the effect of pitch and gauge distance of bolts of a member on its tensile strength due toi) yielding of gross cross-section, ii) rupture of net cross-section, iii) block shear failure ?A.3.7 What is the effect of diameter of bolts of a member on its i) gross cross-sectional area and ii) netcross-sectional area ?A.3.8 What is the effect of the following factors on the block shear strength of a tension member :i) Number of bolts, ii) pitch, iii) edge distance and iv) gauge distance ?

B.3.1 Calculate net cross-sectional area for a tension member made up of single ISA 100 x 75 x 10 withi) longer leg connected and ii) shorter leg connected with 16 mm bolts[Ans. i) 1470 mm2, ii) 1470 mm2 ]B.3.2 A tension member consists of single angle ISA 125 x 75 x 10 connected to 12 mm gusset plate.Calculate design strength for yielding of gross cross-section. [Ans. 432.25 kN]B.3.3 A tie member is made up of 2 ISA 100 x 65 x 8 connected to 10 mm gusset plate. Calculate designstrength due to rupture of net cross-sectional area. [Ans. 524.8 kN]B.3.4 Determine block shear strength of a tension member made up of single ISA 80 x 60 x 8 using 10mm gusset plate with 9 bolts of diameter 16 mm @ 50 mm c/c, end clearance 30 mm and gaugedistance as 40 mm. [Ans. 450.76 kN]B.3.5 Solve question B.3.4 assuming double angle section. [Ans. 901.52 kN]B.3.6 Design a single angle section for a tension member for a factored load of 125 kN. Draw the details.B.3.7 Design a double angle equal angle section for a tie member to resist a factored tensile load of300 kN. Draw the details.

B.3.8 Determine design tensile strength of a double angle section made up of ISA 70 x 45 x 8 with 10mm gusset plate using 7 bolts of 16 mm diameter in a single line along the load. The bolts arepitched at 50 mm with end clearance of 30 mm and gauge distance of 40 mm. [Ans. 373.66 kN]B.3.9 Calculate design tensile strength of a single angle section made up of ISA 90 x 90 x 6 with 8 mmgusset plate using 5 bolts of 16 mm diameter in a single line along the load. The bolts are pitchedat 50 mm with end clearance of 30 mm and gauge distance of 40 mm. [Ans. 207.08 kN]

A

UNIT-4

A.4.1 Define : Compression MemberA.4.2 State four standard conditions of support conditions of compression members and statecorresponding expressions for effective lengthA.4.3 State four common forms of compression membersA.4.4 Define : i) Effective length, ii) Slenderness Ratio of a compression memberA.4.5 State the maximum permissible value of slenderness ratio for compression members carryingdead loads and imposed loadsA.4.6 State four modes of failure of a compression memberA.4.7 How does the design strength of a compression member vary with slenderness ratio ?A.4.8 Enlist the buckling classes specified by IS:800-2007 for compression membersA.4.9 What are tack rivets ? State their function.A.4.10 Define : Compound Column. Under which situations is a compound column provided ?A.4.11 Define : i) Lacing System ii) Battening SystemA.4.12 State the function of lacing and battening systemsA.4.13 How is choice made between lacing and battening systems ?

B.4.1 Calculate effective length of a 7.5 m long column for the four standard cases of end conditions.B.4.2 Design a double angle rafter member for a factored compressive load of 450 kN. Take effectivelength of member as 1.8 m. Draw the details.B.4.3 Design a 2 m long single angle strut member for a factored compressive load of 200 kN. Draw the details.B.4.4 Determine load carrying capacity of a single angle ISA 70 x 45 x 10 compression member effective length 3 m.B.4.5 Determine load carrying capacity of a double angle compression member made up of 2 ISA 125 x75 x 8 with an angle on either side of 10 mm gusset plate. Length of member is 3.5 m with bothends fixed.B.4.6 Check whether the following sections are safe in local buckling : i) ISA 90 x 90 x 6 ii) ISA 100 x75 x 8 and iii) ISA 200 x 150 x 20.

UNIT-5

A.5.1 Enlist common varieties of beams and write their functionsA.5.2 Enlist four categories of design cases of beams as per IS: 800-2007A.5.3 what do you mean by ‘laterally supported beam’?A.5.4 State four modes of providing lateral supports to a beamA.5.5 Enlist four checks to be applied to flexural design of a steel beamA.5.6 Define: i) Web buckling ii) Web cripplingA.5.7 State the permissible limit for deflection of a beam

B.5.1 A simply supported beam having span 6 m is carrying a factored load of 28 kN/m over entire span.The beam is laterally supported. Design the beam for flexure and check for shear and deflection.B.5.2 A simply supported beam has span 5.5 m and it carries a load of 40 kN at its center. CheckWhether ISLB 600 is suitable for i) shear and ii) deflection.B.5.3 Check whether ISMB 450 is sufficient for flexure for a simply supported beam of span 4 m carryingLoad of 20 kN/m.B.5.4 A simply supported beam is made up of section ISJB 400. Determine ultimate load carrying capacity if span of beam is 4.5 m.