A Newsletter from CROSS-AUS containing reports on structural safety issues.
Note: this Newsletter was published by CROSS (Confidential Reporting on Structural Safety). Since March 2021, Confidential Reporting on Structural Safety is renamed Collaborative Reporting for Safer Structures (CROSS).
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.
GFRP reinforcement in concrete structures
A correspondent has become aware of work being undertaken in the field of glass fibre reinforced polymer (GFRP) reinforcement as a substitute for steel rebar in concrete structures and is deeply concerned by what they have observed.
High rise balustrade design
Wind loads used in design of balustrades on high-rise buildings (particularly those with glass infill panels) may need to be increased around the edges of the building.
Light gauge steel fabrication
Referring to Report AUS-4, Light steel truss issues, this reporter has concerns about the low ductility of the high tensile steel, in particular with respect to connection design and capacity.
Overloading metal decking in temporary state
During construction of steel structures with composite metal decking floors, a reporter has observed numerous occasions when the metal decking was close to being overloaded.
Insufficient attention to the construction of tower crane bases
While working on construction sites a reporter was involved with tower crane bases supported on piles with pile caps and pedestals with cast-in anchors that had significant construction defects.
Collapse of a reinforcing cage
The reinforcing cage to a blade pier for an overpass bridge collapsed without warning when nearing completion.
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