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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
Construction products- fire test certificates
A reporter has notified CROSS-AUS regarding the potentially inappropriate use of regulatory/compliance fire test methods on certain products. This has led, they say, to the circulation of inaccurate test certificates in the market and possibly the use of these products on buildings where they may not be suitable.
2 August 2022
CROSS Safety Report
Report ID: 1060
Region: CROSS-AUS
The misuse of standard details and notes on structural drawings
This report draws attention to the excessive and incorrect use of standard details and notes on structural drawings, as well as the assumption that the builder/contractor will somehow work out the designer's intention of these on site. Inadequate or conflicting design and documentation can potentially lead to failures.
30 March 2023
CROSS Safety Report
Report ID: 1133
Region: CROSS-AUS
Underpinning using screw piles
A reporter is concerned that inclined screw piles used for underpinning may be subjected to significant bending moments that compromise their capacity.
7 November 2023
CROSS Safety Report
Report ID: 1175
Region: CROSS-AUS
Risk of failure of untested vibration isolators with seismic restraint
Risk of failure of vibration isolators with integral seismic restraint being used without independent third party testing
7 November 2023
CROSS Safety Report
Report ID: 1230
Region: CROSS-AUS
Mandatory seismic retrofit construction with quality control problems
Standard seismic retrofit details were used for a building with a non-standard foundation, resulting in inadequate connection of structural shear walls to foundations.
1 September 2020
CROSS Safety Report
Report ID: 888
Region: CROSS-US
Under slab perimeter drain failure
Local homeowners installed perimeter drains and sump pumps after high water tables caused water leakage into their basements.
1 September 2020
CROSS Safety Report
Report ID: 907
Region: CROSS-US
Inadequate design and quality assurance on a mandatory seismic retrofit project
A tenant's structural engineer discovers widespread design and related quality problems on a mandatory seismic retrofit project.
1 September 2020
CROSS Safety Report
Report ID: 986
Region: CROSS-US
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