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Connection fixity considerations for steel frame modelling
This report concerns the modelling of joints when using computer programs. In some cases, engineers are applying rotational releases to joints in models but subsequently designing the connections as rigid. This leaves a fundamental mismatch between analysis and design which may lead to unsafe structural connections argues a reporter.
17 November 2022
CROSS Safety Report
Report ID: 1139
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
Steel stud failures during bridge construction
This report concerns the failure of a steel studs during construction works on a new bridge associated with major road improvements.
1 October 2012
CROSS Safety Report
Report ID: 332
Region: CROSS-UK
Viaduct survey concerns
A reporter raises concerns about a small four span brickwork railway viaduct that has been degrading for some time.
1 January 2014
CROSS Safety Report
Report ID: 346
Region: CROSS-UK
GRP panels as permanent shuttering
A reporter highlights problems that were encountered when Glassfibre Reinforced Plastic (GRP) panels were used as permanent formwork on a highway construction project.
1 October 2012
CROSS Safety Report
Report ID: 342
Region: CROSS-UK
Quality of design and construction of a major bridge structure
This report concerns the design and installation of the bridge bearing zones on a new prestressed precast concrete viaduct.
1 October 2018
CROSS Safety Report
Report ID: 781
Region: CROSS-UK
Deflection of bridge girder under load
A report was received from a bridge examiner to say outer main girder of a short span railway bridge was moving up to 30mm under load.
1 July 2016
CROSS Safety Report
Report ID: 557
Region: CROSS-UK
Defects found in previously repaired bridge
While carrying out strengthening work on a bridge, there was concern that by removing the non-structural encasement, alternative load paths had been removed.
1 April 2016
CROSS Safety Report
Report ID: 564
Region: CROSS-UK
Serious safety failings of high level lattice girder walkways
A reporter discusses extremely serious safety failings with the construction of two new high level lattice girder walkways in the fly tower of a theatre.
1 January 2018
CROSS Safety Report
Report ID: 697
Region: CROSS-UK
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