It would be easy to strengthen this greenhouse design with rebar. The same basic idea could be used to build low cost ferrocement housing, shop space, etc. by adding rebar, small mesh and cement plaster.
Building €1,000 small home in 100 hours from open source design
“Designer Ryan Frank wanted a semi-mobile home for a small plot in a “sensitive area”. He thought about yurts and domes, but settled for an open source design he found online. Often called a “boathouse” or “gothic arch” structure, it was originally developed by a boat builder; it’s centerpiece are the wooden support ribs.
Adobe Vaults in Tamil Nadu, India
There’s no detailed information about these particular vaults, but they look great and I wanted to share this with readers. They look like leaning adobe vaults by the famous Egyptian architect Hassan Fathy, author of Architecture for the Poor. This method uses thinner, medium sized adobe blocks mortared together with mud. The adobes are set into sloping arches that lean against an end wall..
“Arched Cabins is a growing business with two locations, one outside of Houston, Texas in the Cypress area and the other in Timberon, New Mexico. Arched Cabins creator David Cruey has worked on a variety of projects over the years all trying to accomplish one goal. Designing an efficient, cost effective, durable, attractive and easy to build structure with multiple uses.
Vault + Loft House
Rammed tire construction is far from my recommended building method. Use earthbags instead and this design would be very practical.
Bamboo Barrel Vault
“The main advantages of using bamboo for roof constructions are:
• It is a traditional technology, which is well understood by local artisans. No special tools are required.