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- CROSS-AUS Newsletter 3 (2)
- CROSS-AUS Newsletter 4 (3)
- CROSS-AUS Newsletter 5 (2)
- CROSS-AUS [sub-heading only] (5)
- CROSS-UK Newsletter 2 (2)
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- CROSS-UK Newsletter 58 (1)
- CROSS-UK Newsletter 59 (1)
- CROSS-UK [sub-heading only] (21)
- CROSS Newsletter (16)
- CROSS Safety Report (41)
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CROSS regions
Accidental partial demolition of a beam
During a site visit, the permanent works design engineer noticed that hydro-demolition of the end of a floor supporting beam had taken place out of sequence. This introduced a pattern of bending moments and shear forces that were not considered in the original design.
6 April 2023
CROSS Safety Report
Report ID: 855
Region: CROSS-UK
Incorrect lifting system used for precast concrete stair elements
A reporter was asked to inspect a precast concrete stair unit which was exhibiting cracking around the lifting anchor locations after being de-moulded.
13 December 2022
CROSS Safety Report
Report ID: 883
Region: CROSS-UK
Temporary instability of columns
Concerns were raised by a reporter on the temporary stability of concrete columns during construction.
2 February 2023
CROSS Safety Report
Report ID: 872
Region: CROSS-UK
Failure of cast-in wire lifting loops on manhole cover slabs
A cast-in wire lifting loop failed when lifting a 4m diameter precast manhole cover slab into place.
23 May 2022
CROSS Safety Report
Report ID: 629
Region: CROSS-UK
Object rolling into live carriageway
A disc of concrete rolled from a construction area onto a live carriageway, colliding with a passing vehicle.
6 June 2022
Report ID: 1089
Region: CROSS-UK
Steelwork connection design
A reporter was asked to design connections for a multi-storey building for which the frame had been designed by another engineer. The result was a near collapse situation.
1 March 2006
CROSS Safety Report
Report ID: 25
Region: CROSS-UK
Precast concrete demolition
During the demolition of a tower block, a column collapsed unexpectedly.
1 March 2006
CROSS Safety Report
Report ID: 27
Region: CROSS-UK
Grouting of joints between load-bearing prefabricated concrete members
This report highlights the risk of failure if grouted joints between load-bearing prefabricated concrete members are not designed and installed correctly.
30 April 2021
CROSS Safety Report
Report ID: 961
Region: CROSS-AUS
Problem when launching a prestressed beam
When lowered onto its elastomeric bearings, a 40m span post-tensioned ‘I’ beam started to move towards the outer edge of the pier cap.
30 July 2021
CROSS Safety Report
Report ID: 1027
Region: CROSS-UK
The use of cast-in ferrules as structural connections
This report highlights several problems that can arise with structural connections between elements when cast-in ferrules (also known as threaded inserts) are used for the anchorage of reinforcing bars.
30 April 2021
CROSS Safety Report
Report ID: 993
Region: CROSS-AUS
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