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Failure of large aluminium composite panel
This report highlights the importance of correctly designed fixings and anchoring systems for cladding panels to buildings to minimize the risk of failure.
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.
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.
Design of internal partitions for horizontal loads
This report draws attention to the requirement for internal partitions to be designed for horizontal loads from wind and seismic effects in accordance with Section B of the Australian National Construction Code (NCC).
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.
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.
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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.
Collapse of a reinforcing cage
The reinforcing cage to a blade pier for an overpass bridge collapsed without warning when nearing completion.
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.
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.