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- CROSS-UK Newsletter 1 (1)
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CROSS regions
Stadia crash barriers
Some hollow steel posts forming part of a crash barrier, which were only 4-5 years old, had filled with water that had caused the damage on freezing in winter.
1 February 2001
CROSS Safety Alert
Region: CROSS-UK
Rotting plywood decking on grandstand
During visual structural inspections of temporary demountable grandstands, a walkway board failed when it was walked on.
31 May 2022
CROSS Safety Report
Report ID: 1092
Region: CROSS-UK
Corrosion concerns on a pedestrian bridge
A reporter is concerned about a pedestrian bridge that may have reduced load capacity due to corrosion at the root of cantilever supports.
17 February 2023
CROSS Safety Report
Report ID: 1161
Region: CROSS-UK
Grades of steelwork
A reporter says that engineers seem reluctant to specify the grade of steel. Even when prompted, some fail to request anything other than just S275 – failing to mention JR, J0, or other grades.
1 February 2007
CROSS Safety Report
Report ID: 43
Region: CROSS-UK
Freeze/thaw effects on RHSs and unexpected hydrogen generation
A reporter provides their views of the freezing effects on rectangular hollow sections (RHSs) and how this could be related to Liquid Metal Assisted Cracking.
1 October 2014
CROSS Safety Report
Report ID: 434
Region: CROSS-UK
Further report on freezing of water in hollow sections
A reporter has a further warning on the issue of freeze/thaw cracking following report 434 after their firm encountered a similar problem on a UK project and investigated the matter.
1 January 2017
CROSS Safety Report
Report ID: 579
Region: CROSS-UK
Further issues with freezing and galvanised hollow sections
A reporter was involved in correcting a cold formed galvanised square hollow section (SHS) four storey balcony structure where longitudinal splits formed in at least two of the four columns.
1 January 2014
CROSS Safety Report
Report ID: 314
Region: CROSS-UK
Freeze and thaw of another RHS
Further to reports about the freezing of water in hollow sections a correspondent has sent photos of a section of mild steel RHS that was removed from a bridge and shows the bulging that can occur.
1 January 2015
CROSS Safety Report
Report ID: 485
Region: CROSS-UK
Square Hollow Section (SHS) expansion due to freezing
A reporter has come across problems in British Columbia (temp range -30 degrees to +40 degrees) of cracking to square hollow sections (SHS) due to the ingress of water and freezing.
1 April 2017
CROSS Safety Report
Report ID: 641
Region: CROSS-UK
Street sign collapse causes fatality
This report highlights the potential dangers of street signs on fixed vertical supports subject to wind loading.
1 October 2018
CROSS Safety Report
Report ID: 793
Region: CROSS-UK