Comparative study of fatique design of steel structures as per IS 800:2007, EN 1993-1-9:2005,AS 4100:1998 and AISC 360:2010 (Also available on CD)
Patel, Trupal (PT401514)
Comparative study of fatique design of steel structures as per IS 800:2007, EN 1993-1-9:2005,AS 4100:1998 and AISC 360:2010 (Also available on CD) - 2018 - xi,65p.,CD-ROM
CONTENTS
ACKNOLEDGEMENT iv
ABSTRACT v
LIST OF FIGURES ix
LIST OF TABLES xi
1 INTODUCTION 1
1.1 GENERAL 1
1.2 OBJECTIVES 2
1.3 NEED OF STUDY 2
1.4 SCOPE OF WORK 3
1.5 DEFINITIONS 3
2 LITERATURE REVIEW 4
2.1 GENERAL 4
2.2 LITERATURE STUDIED 4
2.3 PHASES OF FATIGUE PROCESS 7
2.4 FACTORS AFFECTING FATIGUE LIFE 8
2.5 FATIGUE LOADING 10
2.6 S-N CURVE 12
3 FATIGUE DESIGN PARAMETERS UNDER STUDY 14
3.1 FATIGUE DESIGN PROCEDURE 14
3.2 EVALUATION OF UNCORRECTED FATIGUE STRENGTH USING S-N METHODS 14
3.2.1 Detail Category 14
3.2.2 S-N Curves for Normal Stress 16
3.2.3 S-N Curves for Shear Stress 18
3.2.4 Fatigue Strength for Normal Stress and Shear Stress 19
3.3 PARTIAL SAFETY FACTORS 22
3.4 CAPACITY REDUCTION FACTOR 24
3.5 FATIGUE DESIGN STRENGTH 25
3.6 FATIGUE LIMITATION 27
4 PROBLEM FORMULATION: 29
4.1 GENERAL 29
4.2 DESIGN OF GANTRY GIRDER OF 25 T CAPACITY FOR 6M SPAN BY IS-800 (2007) 29
4.3 FATIGUE DESIGN BY IS-800 (2007) 31
4.4 FATIGUE DESIGN BY EN 1993-1-9 (2005) 33
4.5 FATIGUE DESIGN BY AS-4100 (1998) 35
4.6 FATIGUE DESIGN BY AISC-360 (2010) 37
5 RESULTS & DISCUSSION 39
5.1 RESULTS OF 6 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000 STRESS CYCLES 39
5.2 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000 STRESS CYCLES 43
5.3 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 50 T CAPACITY FOR 400000 STRESS CYCLES 45
5.4 Results of 6 m span Gantry girder of 25 T capacity for 560000 Stress Cycles 47
5.5 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 560000 STRESS CYCLES 51
5.6 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 50 T CAPACITY FOR 560000 STRESS CYCLES 53
5.7 RESULTS OF 6 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000 & 560000 STRESS CYCLES 55
5.8 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000& 560000 STRESS CYCLES 59
5.9 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 50 T CAPACITY FOR 400000 & 560000 STRESS CYCLES 60
5.10 DISCUSSION 61
5.10.1 Comparison of Codal Provisions 61
5.10.2 Interpretation of result data 62
5.11 CONCLUSION 63
5.12 FUTURE SCOPE 63
REFERENCES 64
SD TH-0219 / PAT
Comparative study of fatique design of steel structures as per IS 800:2007, EN 1993-1-9:2005,AS 4100:1998 and AISC 360:2010 (Also available on CD) - 2018 - xi,65p.,CD-ROM
CONTENTS
ACKNOLEDGEMENT iv
ABSTRACT v
LIST OF FIGURES ix
LIST OF TABLES xi
1 INTODUCTION 1
1.1 GENERAL 1
1.2 OBJECTIVES 2
1.3 NEED OF STUDY 2
1.4 SCOPE OF WORK 3
1.5 DEFINITIONS 3
2 LITERATURE REVIEW 4
2.1 GENERAL 4
2.2 LITERATURE STUDIED 4
2.3 PHASES OF FATIGUE PROCESS 7
2.4 FACTORS AFFECTING FATIGUE LIFE 8
2.5 FATIGUE LOADING 10
2.6 S-N CURVE 12
3 FATIGUE DESIGN PARAMETERS UNDER STUDY 14
3.1 FATIGUE DESIGN PROCEDURE 14
3.2 EVALUATION OF UNCORRECTED FATIGUE STRENGTH USING S-N METHODS 14
3.2.1 Detail Category 14
3.2.2 S-N Curves for Normal Stress 16
3.2.3 S-N Curves for Shear Stress 18
3.2.4 Fatigue Strength for Normal Stress and Shear Stress 19
3.3 PARTIAL SAFETY FACTORS 22
3.4 CAPACITY REDUCTION FACTOR 24
3.5 FATIGUE DESIGN STRENGTH 25
3.6 FATIGUE LIMITATION 27
4 PROBLEM FORMULATION: 29
4.1 GENERAL 29
4.2 DESIGN OF GANTRY GIRDER OF 25 T CAPACITY FOR 6M SPAN BY IS-800 (2007) 29
4.3 FATIGUE DESIGN BY IS-800 (2007) 31
4.4 FATIGUE DESIGN BY EN 1993-1-9 (2005) 33
4.5 FATIGUE DESIGN BY AS-4100 (1998) 35
4.6 FATIGUE DESIGN BY AISC-360 (2010) 37
5 RESULTS & DISCUSSION 39
5.1 RESULTS OF 6 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000 STRESS CYCLES 39
5.2 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000 STRESS CYCLES 43
5.3 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 50 T CAPACITY FOR 400000 STRESS CYCLES 45
5.4 Results of 6 m span Gantry girder of 25 T capacity for 560000 Stress Cycles 47
5.5 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 560000 STRESS CYCLES 51
5.6 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 50 T CAPACITY FOR 560000 STRESS CYCLES 53
5.7 RESULTS OF 6 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000 & 560000 STRESS CYCLES 55
5.8 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 25 T CAPACITY FOR 400000& 560000 STRESS CYCLES 59
5.9 RESULTS OF 6 M TO 10 M SPAN GANTRY GIRDER OF 50 T CAPACITY FOR 400000 & 560000 STRESS CYCLES 60
5.10 DISCUSSION 61
5.10.1 Comparison of Codal Provisions 61
5.10.2 Interpretation of result data 62
5.11 CONCLUSION 63
5.12 FUTURE SCOPE 63
REFERENCES 64
SD TH-0219 / PAT