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.
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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
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
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
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
Byers said that "gauge corner cracking" - the cause of the Hatfield derailment - had been identified on rails near Potters Bar last year.
RAIL BOSSES KNEW TRACK WAS UNSAFE; Warning claim over old points
The Virgin intercity lines and Connex South Central, which runs the Rugby to Clapham Junction service, are suffering no delays due to the "gauge corner cracking" which led to the Hatfield rail crash last October.
Train times 'almost back to normal'
That in turn, made the corner cracking problem worse so we got even more downtime.
'Coiled again' is cry heard in Canada
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
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
``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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