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- CROSS-AUS Newsletter 2 (1)
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- CROSS-UK Newsletter 50 (2)
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- CROSS-UK [sub-heading only] (15)
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CROSS regions
Stability of tenants' mezzanine
A reporter is concerned about structures where cold-rolled sections depend upon the chipboard for their lateral torsional restraint, and to act as a horizontal diaphragm.
1 July 2013
CROSS Safety Report
Report ID: 378
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
Lightweight steel roof partial collapse
A hall constructed from thin cold rolled steel sections riveted together started collapsing when tiles were loaded on one side only.
1 April 2014
CROSS Safety Report
Report ID: 383
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
Steel fabricators substituting S275/S355 steel for S235 steel
A reporter has been asked many times by fabricators if they can use grade S235 steel in lieu of S275 or S355.
1 January 2019
CROSS Safety Report
Report ID: 758
Region: CROSS-UK
Major UK steel manufacturer talks about steel substitution
A correspondent is concerned that cold formed S235 steel is being used in place of hot formed S355 steel, as this can have dangerous implications.
1 January 2019
CROSS Safety Report
Report ID: 761
Region: CROSS-UK
Common use of S235 cold rolled steel instead of S355 hot rolled steel
It has come to a reporter's attention that some local fabricators are purchasing S235 cold rolled hollow sections rather than the specified S355 hot rolled sections, as they are easier and cheaper to obtain.
1 April 2018
CROSS Safety Report
Report ID: 740
Region: CROSS-UK