The weight of a green roof caused the collapse of a large sports hall roof in hong kong in 2016.
Green roof collapse.
An extensive green roof on the other hand is a thinner lighter version that looks more similar to a standard roof.
In the wake of the disaster numerous other green roofs around the territory were removed.
Dynamic loading comes from the retained water on the roof and any loading caused by public access.
Parts of the world s largest sloped green roof collapsed the day before valentine s day in 2011 after record snowfall and two weeks of freezing temperatures finally began to subside.
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.
The static weight added is the composite total of the added layers placed above the roof deck.
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.
Green roofs add both static and dynamic weight to a structure.
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.
Green roofs require significantly more maintenance and maintenance energy compared to a standard roof.
On thursday november 21st 2013 an evolving green roof collapsed over top a latvian supermarket.
Parts of the world s largest sloped green roof collapsed the day before valentine s day in 2011 after record snowfall.