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- CROSS-UK Newsletter 6 (1)
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CROSS regions
Precast concrete canopies in housing
A reporter warns that precast concrete cantilever canopies which are slender and monolithic with lintels over entrance doorways can be vulnerable to sudden collapse.
1 January 2009
CROSS Safety Report
Report ID: 126
Region: CROSS-UK
Aerated concrete slabs
A reporter discusses the failure of precast reinforced autoclaved aerated concrete (RAAC) slabs during construction.
1 October 2007
CROSS Safety Report
Report ID: 55
Region: CROSS-UK, CROSS-AUS, CROSS-US
Long term risks for ground anchors
A reporter is concerned about the inspection and maintenance of ground anchors that are used for strategic flood defences.
1 October 2007
CROSS Safety Report
Report ID: 87
Region: CROSS-UK
Precast concrete planks - durability and potential safety concerns
A reporter raises concerns over the recent collapses of precast concrete floor units that are installed throughout the UK.
1 April 2007
CROSS Safety Report
Report ID: 77
Region: CROSS-UK
Lack of masonry wall ties causes failure
A reporter states that they have come across the presence of serious defects in masonry construction in the past and have no doubt that many other engineers have had similar experiences.
1 April 2018
CROSS Safety Report
Report ID: 665
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
Failure of RAAC planks in schools
A reporter was asked to investigate a reinforced autoclaved aerated concrete (RAAC) roof which had collapsed in a school.
1 April 2020
CROSS Safety Report
Report ID: 908
Region: CROSS-UK, CROSS-AUS, CROSS-US
Disproportionate collapse assessment of large panel system buildings
A reporter has become concerned by the approach being taken by some engineers to assess the risk of disproportionate collapse due to fire in large panel system (LPS) buildings.
1 January 2020
CROSS Safety Report
Report ID: 885
Region: CROSS-UK
Coliseum failure
This is a legacy case study of the 1978 collapse of the roof of the Hartford Coliseum in Hartford, Connecticut.
1 March 2020
CROSS Safety Report
Report ID: 892
Region: CROSS-US
Overloading of older multi storey and underground car parks
A reporter shares concerns that the significant increase in size and gross weight of vehicles may impact the safety of some older car parks.
17 May 2024
CROSS Safety Report
Report ID: 1257
Region: CROSS-UK