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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.
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.
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.
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.
Near miss when modifying brickwork
A reporter’s experience of creating a new door opening in an existing brick wall on the first floor of an old building is not always as simple as it would appear.
Safety concern about the design of thin concrete walls
The reporter raises their concern about the design of thin concrete load-bearing walls, sometimes supporting 10 or more storeys.
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