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Punching shear in concrete slabs at perimeter columns
A reporter raises concerns about the underestimation of bending moments in perimeter columns when assessing punching shear in adjacent concrete slabs. Punching shear failures can be brittle and catastrophic. Designers need to include the appropriate ultimate moment in the design actions.
14 October 2022
CROSS Safety Report
Report ID: 1122
Region: CROSS-AUS
Waterproofing exposed concrete slabs
This report highlights that water ingress into buildings continues to be a problem and discusses the role of the structural engineer when dealing with waterproofing of exposed concrete slabs. It shows how this can be achieved by careful design and detailing of the reinforced concrete structure and by close collaboration of all parties involved.
25 November 2021
CROSS Safety Report
Report ID: 959
Region: CROSS-AUS
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).
30 April 2021
CROSS Safety Report
Report ID: 1000
Region: CROSS-AUS
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
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.
1 August 2020
CROSS Safety Report
Report ID: 938
Region: CROSS-AUS
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.
1 August 2020
CROSS Safety Report
Report ID: 957
Region: CROSS-AUS
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.
1 August 2020
CROSS Safety Report
Report ID: 939
Region: CROSS-AUS
Collapse of a reinforcing cage
The reinforcing cage to a blade pier for an overpass bridge collapsed without warning when nearing completion.
1 August 2020
CROSS Safety Report
Report ID: 941
Region: CROSS-AUS
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
Maintenance of multi-storey buildings
A correspondent notes that the issues currently affecting several high-rise buildings in Australia are inevitably focused on design, construction, and certification; whereas there are other issues relating to ongoing inspection, maintenance, and (ultimately) demolition which seem to have been ignored.
1 February 2020
CROSS Safety Report
Report ID: 878
Region: CROSS-AUS
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