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- CROSS-UK Newsletter 2 (1)
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- CROSS-UK [sub-heading only] (11)
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CROSS regions
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
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
Flaws with partial encasements around steel columns
A structural assessment found that steel columns encased in concrete to mid-storey height were heavily corroded directly above the top of the encasements.
1 January 2016
CROSS Safety Report
Report ID: 517
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
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
Grades of weldable quality bolts
A reporter says grade 8.8 bolts are not required to be manufactured as being weldable according to the relevant product standards e.g. ISO 898-1 and -2.
1 April 2014
CROSS Safety Report
Report ID: 392
Region: CROSS-UK
Documentation for imported large diameter steel pins
A reporter raises concerns over the possibility that foreign steel with poor, confusing or misleading documentation, is being used on safety critical structures in the UK.
1 January 2013
CROSS Safety Report
Report ID: 299
Region: CROSS-UK
Concern about bridge hangers
A reporter is concerned that a failure in recent years involving the cast connections at each end of vertical bars, which connected to a bow string arch at one end and to a bridge deck at the other, may be in use elsewhere.
1 July 2012
CROSS Safety Report
Report ID: 222
Region: CROSS-UK
Follow up to Liquid Metal Assisted Cracking (LMAC)
A recent case involving cracking around holes in large structural components was detected immediately after galvanising as a result of the team being aware of the need for post galvanising inspection.
1 July 2008
CROSS Safety Report
Report ID: 105
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
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