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- CROSS-UK Newsletter 4 (2)
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CROSS regions
Specification issue with steel hollow sections
A reporter raises concerns after their structural engineer had failed to specify the steel grade used in the design for hollow sections on two projects.
30 July 2021
CROSS Safety Report
Report ID: 1006
Region: CROSS-UK
Possible galvanising concern
A reporter has a question about using galvanised steel poles for the members of dome structures.
1 November 2006
CROSS Safety Report
Report ID: 48
Region: CROSS-UK
Design of head track in cold formed steel framing
The reporter noticed that the in-house structural engineer for the steel frame company had not taken account of all the loads in the design of the head track.
1 November 2006
CROSS Safety Report
Report ID: 39
Region: CROSS-UK
Proper design and use of cold rolled steel frames
A reporter has been designing structures in cold rolled steel for approximately twenty years, mainly portal frame buildings, and some concerns.
1 January 2008
CROSS Safety Report
Report ID: 93
Region: CROSS-UK
Substitution of cold rolled hollow sections for hot rolled hollow sections
A reporter was advised by two of their manufacturers that their buyers have purchased cold formed hollow sections rather than the hot formed hollow section which we clearly identified in our calculations.
1 October 2009
CROSS Safety Report
Report ID: 158
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
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
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
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
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