ASSESSMENT OF RESIDUAL LIFE OF GIRDERS OF BRIDGE No

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Cummulative Traffic in GMT Traffic in GMT 35 30 25 20 15 10 5 0 900 800 700 600 500 400 300 200 100 0 50-51 50-51 53-54 53-54 56-57 59-60 Traffic in GMT passed in the past 62-63 65-66 Cummulative traffic in passed in the past 56-57 59-60 62-63 65-66 68-69 71-72 68-69 71-72 Years 74-75 Years 20 77-78 80-81 83-84 86-87 89-90 92-93 95-96 Fig – 3 Fig – 3a Computed stress cycles with different stress ranges for traffic density of 27 GMT 74-75 77-78 80-81 83-84 86-87 89-90 92-93 95-96 UP DN UP DN
<strong>No</strong>. of cycles 70 60 50 40 30 20 10 0 Traffic density in GMT P.K. SANGHI 100 96.625- 86.625 10 86.625- 77.000 77.000- 67.375 21 67.375- 57.750 57.750- 48.125 Stress Range in N/Sq mm Life Vs GMT 48.125- 38.500 38.500- 28.875 1 1 10 100 1000 Residual life in years Fig – 4 Fig – 5 Annexure – I
Page 1 and 2: Ministry of Railways Government of
Page 3 and 4: INDEX S.No Contents Page no. 1. Int
Page 5 and 6: 11x 48.5 m spans in bridge No. 75 w
Page 7 and 8: d) The fatigue life of standard spa
Page 9 and 10: slowly before failure, which shows
Page 11 and 12: k1 = ------------------------------
Page 13 and 14: Life = 120 / k1 m = 594 years Remai
Page 15 and 16: 15 Table -1 RU Loading : Annual tra
Page 17 and 18: Year GMT during the GMT Cum. GMT du
Page 19: Stress range in N per sq mm 1000 10
Page 23 and 24: 1. The Vasai Creek is spanned by br
Page 25 and 26: vii) The girders are having sliding
Page 27 and 28: WEIGHT CALCULATION Calculation shee
Page 29: REFERENCES: 29 Annexure - III 1. Es

ASSESSMENT OF RESIDUAL LIFE OF GIRDERS OF BRIDGE No

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