Earth Sheltered Roof Structure Unofficial Poll
Earth Sheltered Roof Structure Unofficial Poll
(OP)
What type of structural system is preferred these days for earth sheltered roofs? The project I am working on is in a mountainous rural area, will have about 2' plus or minus of earth on the roof, and will be constructed into a rocky hillside. I am thinking either a steel deck/joist/beam system or precast panels would be most cost-effective. The retained side will be concrete and we are looking at using CMU for the non-retaining sides. Thanks in advance!






RE: Earth Sheltered Roof Structure Unofficial Poll
It was a thin concrete shell (3" or so) that was heavily reinforced with chicken wire that also served as a form grid to hold the concrete matrix while it cured - the same technology and forming techniques as for concrete vessels. Worked great and cattle could eat the grass from the top. Blended into the hillside real well too.
Additionally, the concrete was mixed on site and all the materials were easily transportable by small boat and hand to the site.
Mike McCann
MMC Engineering
RE: Earth Sheltered Roof Structure Unofficial Poll
I would like to have seen your calcs for this. : ) Not that remote, just has a long, curvy driveway, so am not sure that precast is the best option for this. I am looking at some longer spans - 25-50' if we can get it.
Cody Geisendorfer, PE
www.quality-engineering.biz
RE: Earth Sheltered Roof Structure Unofficial Poll
www.idecharlotte.com
RE: Earth Sheltered Roof Structure Unofficial Poll
And talk to a water/moisture membrane expert!