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Cast Earth is a proprietary natural building material developed since the mid-1990s by Harris Lowenhaupt and Michael Frerking [1] based on the earlier Turkish Alker, which is a concrete-like composite with soil of a suitable composition as its bulk component stabilized with about 15% calcined gypsum (plaster of Paris) instead of Portland cement.
Eco-Cement is a brand-name for a type of cement which incorporates reactive magnesia (sometimes called caustic calcined magnesia or magnesium oxide, MgO), another hydraulic cement such as Portland cement, and optionally pozzolans and industrial by-products, to reduce the environmental impact relative to conventional cement.
They found that, when put under pressure, an ecobrick was able to withstand much more than the concrete and red bricks. This confirmed that ecobricks can be a cheap and environmentally friendly non-structural building material. [25] Ecobricks are a great way to recycle plastic waste as well as educate about the dangers of plastic pollution.
Nowadays, because of low embodied carbon, availability, safety, and thermal characteristics of these building materials, they become a particularly attractive alternatives to more traditional ones. Moreover, there is the potentiality to circumvent disadvantages, such as on-site weather-dependency, by using prefabricated elements [ 33 ] [ 34 ...
Many of these green housing alternatives are also self-sufficient. Eco-friendly homes often include rainwater reclamation systems for water, small Energy Star appliances, and solar panels or green ...
The structural properties of this material are similar to those of Portland cement-based mortars: it has an elastic modulus of 293.9 MPa, and a tensile strength of 3.6 MPa (the minimum required value for Portland-cement based concrete is approximately 3.5 MPa); [2] however it has a fracture energy of 170 N, which is much less than most standard ...
Cement is a very useful building material and there are places where we have to be practical and use it. However, one alternative to cement is lime. Lime has been used as a building material for thousands of years and although energy and CO 2 are used in its production it gently returns to limestone in time, taking in CO 2 in the process. [2]
Papercrete is a building material that consists of re-pulped paper fiber combined with Portland cement or clay, as well as other soils. First patented in 1928 by Eric Patterson and Mike McCain [1] (who originally named it "padobe" and "fibrous cement"), it was revived during the 1980s. It is generally perceived as an environmentally friendly ...
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