86th Meeting Track Standards Committee 21–23 December, 2016

Agenda final-agenda_86-tsc-25-11-2016-highlighted held on 21-23 December 2016

Click Here to download  final-agenda_86-tsc-25-11-2016-highlighted

Advertisements

Minutes of 85 Track standards commitee

Please find the minutes-of-85tsc-highlighted 13 to 15th Nov 2014, Ernakulam

USFD UPDATED MANUAL UPTO CS NO 3

Click Here to download usfd-manual-2012updated-cs3

Characteristics Tolerances of Ultrasonic Machine

Please Click the below text to download the Tolerances File

Copy of charactersistics

Points & Crossings USFD Testing as per Standing order ESO 71

POINTS N CROSSINGS

Test Check Proforma issued by RDSO 10-11-2015

PG 5

TESTCHECK PROFORMA PAGE 5 OF 5

PG 3PG 4PG 1

PG 5

TESTCHECK PROFORMA PAGE 5 OF 5

PG 2

TEST CHECK PROFORMA PAGE 2 OF 5

PG 1

TEST CHECK PROFORMA PAGE 1 OF 5

PG 3

TEST CHECK PROFORMA PAGE 2 OF 5

PG 4

TEST CHECK PROFORMA PAGE 2 OF 5

Nature of defects in welds

Nature of defects in welds:

Joining rails by improper welding may introduce a variety of
defects on the joints as well as in the heat affected zone (HAZ) e.g. lack of fusion, cracks,porosity, slag inclusion, structural variation, etc.

The quality of weld depends to a large extent on the careful execution of the welding operation. USFD testing done by manual rail tester suffers from following deficiencies:

(i) Full cross section of weld is not covered by normal USFD examination using manual tester thereby leaving areas in head and foot, which may have flaws.
(ii) Micro structural variations in the weldment cause attenuation of ultrasonic energy.