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CROSS regions
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
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
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
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
Collapse of a hollow core unit
This refers to the collapse of one modest span precast hollow core concrete unit and the excessive deflection of others on a building which was under construction.
1 October 2012
CROSS Safety Report
Report ID: 258
Region: CROSS-UK
Design responsibility for temporary stability of steel frame building
A reporter raises concerns about the division of responsibility for the temporary stability of a four-storey steel frame structure with precast concrete planks and a structural topping.
1 April 2019
CROSS Safety Report
Report ID: 789
Region: CROSS-UK
Risks from off-site manufacture and hybrid construction
A reporter was recently investigating a ‘near miss’ involving concrete construction in which pre-cast and in-situ concrete were used in combination.
1 January 2016
CROSS Safety Report
Report ID: 529
Region: CROSS-UK
Design and erection of prefabricated (precast) concrete
A correspondent considers that there should always be an experienced temporary works designer for prefabricated concrete structures as many structural engineers do not consider the erection methodology when designing such structures.
1 February 2020
CROSS Safety Report
Report ID: 871
Region: CROSS-AUS
Partial failure of precast concrete tank unit on installation
Concerns are raised after the foot of a precast concrete unit failed during installation, making the unit unstable.
1 April 2017
CROSS Safety Report
Report ID: 626
Region: CROSS-UK
Responsibilities for hybrid concrete construction
Concerns are raised after a substantial precast element, weighing over 10t, had been placed in position and used as part of the shuttering for an in-situ pour without it being designed to act as a shutter.
1 October 2016
CROSS Safety Report
Report ID: 574
Region: CROSS-UK
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