Archive for April, 2011

Earthbag Stone Dome

Saturday, April 30th, 2011:

Yesterday’s video about How the Pyramids Were Built shows how loose limestone can be turned to stone. This method seems easier and simpler than using MICP, don’t you think? This seems like a good time to experiment with geopolymer cast stone to make the first ever earthbag stone dome. The mountain range near our home    Read More →

How the Pyramids Were Built

Friday, April 29th, 2011:

Alternate title: How to Build an Earthbag House That Will Last as Long as the Pyramids. I can’t say for sure that the pyramids were built this way, but this video describes a reasonable theory of how the blocks of the pyramids were made with natural materials from the Giza Plateau – limestone, kaolin clay,    Read More →

Basalt Rebar (Zeebars)

Friday, April 29th, 2011:

Here’s a natural substitute for steel rebar. It seems like this material would work perfectly with earthbag building, especially in seismic areas where additional reinforcing is typically required. Image and content below is from the Smarter Building Systems website. “Zeebars Basalt Rebar is an alternative to steel and fiberglass for reinforcing concrete. Made from volcanic    Read More →

Sun Tube Skylights

Thursday, April 28th, 2011:

The subject of sun tubes or solar tube skylights keeps coming up in email exchanges with readers, because they’re often more efficient than conventional skylights. There are numerous competing brands and designs, but the basic concept is a skylight that directs light through a mirrored tube. Some designs like the Solatube skylight pictured above bend    Read More →

Star Top CEB Presses

Wednesday, April 27th, 2011:

Compressed earth blocks (CEBs) have countless uses and come in dozens of shapes (many more than shown here). They are commonly used for residential and commercial structures, earthquake resistant structures, privacy walls, columns, bond beams, pavers, planters, stairs, etc. For instance, you could make CEB columns on your house and privacy walls and stack earthbags    Read More →

E-Z Hogan Framing Anchors

Tuesday, April 26th, 2011:

Sometimes special hardware can really come in handy for speeding construction. That’s probably why there are hundreds of different anchors and straps available – they really do make buildings stronger and easier to build. The anchors pictured above are used to build hogans, an octagonal shaped structure favored by the Navajo and others living in    Read More →