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- CROSS-UK Newsletter 3 (1)
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- CROSS-UK [sub-heading only] (22)
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CROSS regions
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
Design deficiencies in long span steelwork portal
A firm commissioned to design steel joints on a large portal frame structure noticed that there was lack of restraint to a series of long span rafters.
1 October 2013
CROSS Safety Report
Report ID: 329
Region: CROSS-UK
Further concerns about competence
A reporter raises concerns about competency, and the points raised demonstrate, says the reporter, a poor grasp first-principles on the part of many designers.
1 July 2013
CROSS Safety Report
Report ID: 339
Region: CROSS-UK
Compatibility at RC column to slab joint - strong column/weak slab
A reporter who was reviewing the structural design of a commercial building raises concerns over the compatibility at column/slab joints when different grades of concrete are used.
1 April 2012
CROSS Safety Report
Report ID: 296
Region: CROSS-UK
School roof timber truss collapse
A gym/assembly hall roof to a school collapsed suddenly and without warning overnight when fortunately the building was unoccupied.
1 January 2012
CROSS Safety Report
Report ID: 249
Region: CROSS-UK
Unsuitable underpinning
When reviewing a consulting engineer’s proposal to underpin a party wall, the reporter noticed that there was insufficient vertical load to maintain stability under lateral load from the retained height of soil.
1 July 2010
CROSS Safety Report
Report ID: 175
Region: CROSS-UK
Litigation on divided responsibilities
Divided design responsibilities, says a reporter, are a common source of litigation.
1 January 2013
CROSS Safety Report
Report ID: 229
Region: CROSS-UK
Structural assessments of multi-storey car parks
The parking industry has in recent years (2012) seen several MSCPs closed due to structural fears, says a reporter, which begs the question how close were they to structural failure before they were taken out of service?
1 April 2012
CROSS Safety Report
Report ID: 224
Region: CROSS-UK
Design deficiencies in calculations submitted to a Local Authority
A Local Authority Building Control manager has sent a list which gives twenty nine of the more serious design review queries raised by the building control structural checking process over the last five years.
1 October 2010
CROSS Safety Report
Report ID: 210
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
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