A Newsletter from CROSS-UK 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).
Newsletter content
Understanding the difference between analysis and design
A reporter is becoming increasingly concerned about design practice and correct understanding of the difference between analysis and design and the linking of the two.
Swimming pool ceiling partial collapse
Part of a ceiling above a swimming pool collapsed, injuring four people.
Stability of terraced buildings
A reporter is concerned about a terrace of four buildings the third of which is being opened up.
Stability of brick walls
A 230mm cantilevered brick wall approximately 1.6m high failed after backfill material was placed behind it, which was not the design intent.
Cantilevered brickwork - fatal collapse during construction
A blade of 270mm cavity brickwork in a temporary condition fell and killed a bricklayer after sixteen scaffold planks were leant against the wall on the side remote from the bricklayer.
Bolt failures due to hydrogen embrittlement
A reporter recalls how, in the 1970s while working on a bridge refurbishment project, several new zinc electro-plated bolts failed suddenly, and often shortly after installation.
Failure of high strength studs
A reporter raises concerns after several M12 threaded studs snapped not long after installation.
Failure of precast concrete cover slab to circular shaft
A reporter describes how several precast concrete cover slab units collapsed shortly after being installed.
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