corner cracking

shrinkage cracking

Cracking of a concrete structure or member owing to failure in tension caused by external or internal restraints as reduction in moisture content develops, or as carbonation in the concrete occurs, or both.
References in periodicals archive ?
00mm include among others, gauge corner cracking, side- wear, corrugations, wheel burns, shelling, high and low dipped joints.
Treatment of surface rail defects
The visitors racked up 122-2 with Matthew Corner cracking an undefeated half-century and Niall Cutter adding 26.
Easing to victory thanks to Mitchell
At present the team has only focused on detecting defects near the surface of the railhead such as gauge corner cracking, where a shallow crack can block the ultrasound from penetrating down to a deeper crack behind it.
Taking a different line: ultrasonic rail crack detector for passenger trains would mean more inspections
It highlighted the problem of gauge corner cracking (GCC) - a metal fatigue which was known to cause broken rails - and recommended that checking procedures on tracks should be stepped up.
Engineer blamed in Hatfield crash
The first discovery of dangerous gauge corner cracking (GCC) on the East Coast mainline at Aycliffe was a "dress rehearsal" for the fatal smash in October 2000.
1ST DEADLY LINE ALERT
He told the Echo: ``A lot of progress has been made by Railtrack and the train com-panies in pulling performance back from the days of Hatfield and gauge corner cracking.
Rail boss launches drive to transform services
Railtrack refused to confirm or deny the existence of a warning letter but admitted that there had been "major problems" with the track around Potters Bar - referring to the gauge corner cracking.
RAIL BOSSES KNEW TRACK WAS UNSAFE; Warning claim as old points are blamed for death crash
That in turn, made the corner cracking problem worse so we got even more downtime.
'Coiled again' is cry heard in Canada
TSRs attributable to gauge corner cracking were down by 77%.
Railtrack Group Interim Results For The Six Months Ended September 30, 2001
2) Electric Arc Welding Repairs, squats, wheel burns, guage corner cracking - personnel to be certified in both manual and automatic flux cored and stick welding for carbon and manganese steel.
Rail Welding Thermit Process
The court heard the affected track was suffering from GCC - gauge corner cracking - where the metal is "literally fatigued and tired out by contact with the rolling stock".
The disaster waiting to happen ..AND THESE MEN HAD KNOWN IT FOR 21 MONTHS; FIVE ON HATFIELD CHARGES
The report was to find out the causes of gauge corner cracking -- the issue that caused the Hatfield accident.
Railways `have been pushed to their limit'
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