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- CROSS-AUS Newsletter 4 (1)
- CROSS-AUS [sub-heading only] (1)
- CROSS-UK Newsletter 12 (1)
- CROSS-UK Newsletter 15 (1)
- CROSS-UK Newsletter 41 (1)
- CROSS-UK Newsletter 47 (1)
- CROSS-UK Newsletter 52 (1)
- CROSS-UK Newsletter 58 (2)
- CROSS-UK [sub-heading only] (6)
- CROSS Newsletter (3)
- CROSS Safety Alert (2)
- CROSS Safety Report (12)
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CROSS regions
Concrete system buildings - need for period inspection
Evidence of corrosion of tendons in post-tensioned components came to light which was associated with exposure of tendons to moisture in voids in ducts and sometimes also the presence of chlorides.
1 December 2001
CROSS Safety Alert
Region: CROSS-UK
Temporary movement joint in slabs not installed correctly
Dowels in temporary movement joints for a slab were not installed correctly, impacting the structural behaviour.
29 March 2021
CROSS Safety Report
Report ID: 998
Region: CROSS-UK
Lessons learned from the 2018 Florida bridge collapse during construction
This was a bridge of an unusual design and was being constructed in an unusual manner. The main 53m pre-stressed pre-cast concrete span truss was in position when cracks appeared at a node and over a period of almost three weeks they visibly worsened until collapse occurred.
1 December 2020
CROSS Safety Alert
Region: CROSS-UK, CROSS-AUS, CROSS-US
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
Pre-stressing ducts
A reporter has come across a situation where during grouting of the ducts in a slab, patches of concrete as big as 0.5m x 1m and 30mm thick fell on to the ground creating a safety hazard.
1 October 2008
CROSS Safety Report
Report ID: 89
Region: CROSS-UK
Post-tensioned precast concrete tank failure
A utility company suffered a sudden and catastrophic failure of a concrete tank at a sewage treatment works.
1 July 2009
CROSS Safety Report
Report ID: 147
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
Propping of post-tensioned slabs during construction
A reporter raises their concerns after an infill slab strip was not poured in time which resulted in overloading of the slab below during a concrete pour.
1 April 2020
CROSS Safety Report
Report ID: 873
Region: CROSS-UK
Post-tensioned slab failure during tendon stressing operations
A reporter disseminates the lessons learned after the end of a slab burst while stressing the tendons in a post-tensioned concrete slab.
1 April 2020
CROSS Safety Report
Report ID: 882
Region: CROSS-UK
Inspection and maintenance of Super-T bridge girders
Doubts exist about the durability and maintenance of bridge Super-T girders as a result of lack of access for inspection of sealed internal cavities.
1 August 2020
CROSS Safety Report
Report ID: 956
Region: CROSS-AUS
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