Green Roof Collapse

Green roofs have become increasingly popular in the united states as a way to beautify and insulate buildings and reduce heat pollution in urban areas but last week one drew attention for a far.

Green roof collapse.

Parts of the world s largest sloped green roof collapsed the day before valentine s day in 2011 after record snowfall. Green roofs add both static and dynamic weight to a structure. The static weight added is the composite total of the added layers placed above the roof deck. Dynamic loading comes from the retained water on the roof and any loading caused by public access.

The market open to the public at the time was under construction because of a green roof and recreation area being installed for an adjacent residential building. It can be sloped or flat. On thursday november 21st 2013 an evolving green roof collapsed over top a latvian supermarket. In the wake of the disaster numerous other green roofs around the territory were removed.

The weight of a green roof caused the collapse of a large sports hall roof in hong kong in 2016. An extensive green roof on the other hand is a thinner lighter version that looks more similar to a standard roof. The rooftop that buckled only covered one area of the market however fifty four people have been pronounced dead since saturday and many more hospitalized. The contractor accused of overloading a green rooftop which collapsed at city university last month may be taken to court while three senior campus staff are facing disciplinary action the post.