Rammed Earth Creates A New Ancient Building Format
Every child learns early on that moist sand is the key to building a sturdy sandcastle. Now researchers at Durham University have studied this principle so it can be better applied to an ancient eco-friendly building technique of using rammed earth.
Rammed earth is a manufactured building material made up of sand, gravel and clay, which are moistened and compacted between two forms – or molds – where the mixture is allowed to set as a wall.
It was developed in ancient China about 2,000 BC, but it has been enjoying a resurgence in popularity as a sustainable building method in recent years, as it reduces the need for lumber and the forms holding the rammed earth in place can be reused…