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506 Wind problem in city centre

A reporter is dealing with temporary works for sub-contractors working in and around the centre of a major city. He has experienced a spate of wind related incidents where structures which have been designed in accordance with normal practice using current codes have suffered damage and he feels that there is an issue which needs to be investigated and discussed so that Engineers dealing with structures in the vicinity of tall buildings and groups of tall buildings are fully informed.

529 Risks from off-site manufacture and hybrid construction

A reporter was recently investigating a ‘near miss’ involving concrete construction in which pre-cast and in-situ concrete were used in combination. This type of construction offers efficiencies and, as in this instance, can reduce the number of man-hours worked at height. It is growing in popularity. It does however bring its own risks, and these need to be understood. The works under investigation comprised a circular shaft 20m in diameter and 20m deep, which required an L-shaped shelf or balcony some 5m from the top.

Current matters
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Weather damage to buildings and related infrastructure - see What to report

  • Extreme rainfall
  • Flood (including tidal and surge effects)
  • Freezing temperatures
  • Ground movement (including earthquakes and sink holes)
  • High temperatures
  • Snow/sleet/hail/ice
  • Combinations

Reports on these subjects are sought, as well as on any other concerns.

 

 

Structural-Safety

January 2016 CROSS Newsletter No 41 published

We depend on individuals and firms participating by sending reports of their experiences and concerns in confidence to Structural-Safety. The names of reporters are never revealed and only the technical aspects that could help structural engineers are published. 

If you have an experience that could be useful to others please contribute by sending a report to www.structural-safety.org/confidential-reporting/.

 MORE REPORTS ARE ALWAYS NEEDED

Structural-Safety works with the professions, industry and government on safety matters concerned with the design, construction and use of building and civil engineering structures. It:

  • collects confidential data on the concerns of structural and civil engineers and others
  • provides comments in relation to these concerns
  • maintains a data base of reports and publications
  • collects data from public sources on failures, collapses and relevant incidents
  • considers whether unacceptable risk exists, or might arise in the future
  • promotes a positive attitude to learning from experience
  • influences change to improve structural safety.

Structural-Safety combines CROSS and SCOSS. Click here for more details.

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