There is a whole class of cement that was very popular in the days before the invention and manufacture of Portland cement quickly replaced its use. Generally classified as magnesium-based cement, this material was used in historic times in Europe, India, and China, among other countries. It is unfortunate that Portland cement has replaced the … Read more
Our earthbag design team is busy creating home and shelter designs, as well as innovative building ideas for the reconstruction effort in Haiti. (See Kelly Hart’s Alternative Bond Beam and Lintel system, for one example.) As you’re probably aware, conventional bond beams and foundations are made with reinforced concrete, but these are costly, labor intensive … Read more
Many of you may have wondered what the structure shown in our masthead is. These images are of a Glorieta that is a sort of glorified gazebo that emerged directly from the soil surrounding it. This was created as part of a conference about sustainability, held in Crestone, Colorado in 2003, attended by youth from … Read more
Here’s a great shelter design by Delani that was posted at Core 77 as part of a recent shelter competition. Sometimes the best ideas are the simplest, and this design is exquisite because of its simplicity. That means it’s inexpensive and easy to build. And no doubt about it, it will work structurally. (However, it … Read more
A hybrid earthbag and pallet building would provide excellent protection from the weather and would be virtually free to build with debris and discarded shipping pallets. The addition of rain water collection, humanure composting, and simple solar oven(s) would provide fresh water and help keep human waste safely out of the way. Any additional materials … Read more
This emergency shelter was deemed a failure and rejected for use in relief efforts. Those involved with the design and evaluation of the shelter all failed to realize one simple point. Pure sand in sandbags (earthbags) will slump and shift as shown. But tamped soil consisting of an appropriate sandy soil/clay mix will compact into … Read more