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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.
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.
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.
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Dislodged finger plate on highway bridge
A correspondent received a report about a 1.5m long section of a steel finger plate expansion joint on a highway bridge that had been inadequately fixed and became dislodged.
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.
Light steel truss issues
A reporter believes that greater awareness is needed of deficiencies in the light steel truss industry (trusses made from cold-formed steel sections).
Sliding glass door - two-part subhead failure
Called to inspect the failure of a glazed sliding door system a correspondent noted that the system comprised a two-part subhead, which includes a removable bead that relies on a bearing of only a few millimetres.