Rammed Earth: The Latest Architecture and News

Rammed earth has been used in construction for thousands of years, with evidence of its use dating as far back as the Neolithic Period. Commonly used especially in China, the technique was applied to both ancient monuments and vernacular architecture, with the Great Wall utilizing the technique. Though interest in rammed earth declined in the 20th century, some continue to advocate its use today, citing its sustainability in comparison to more modern construction methods. Most notably, rammed earth structures use local materials, meaning they have low embodied energy and produce little waste. Below, we describe how to build with this material.

Rammed earth constructions are not a novelty, on the contrary, some sections of the Great Wall of China were made using this technique. Relegated and replaced by modern methods of construction, the mud walls are currently re-emerging as an economic, sustainable solution, with low environmental impact. Even Joelle Eyeson, a young African entrepreneur, is betting that it may be the answer to the housing deficit in her region.

This is a rudimentary construction system in which earth is compressed into wooden boxes. The clay is horizontally placed in layers of 15 cm in height, and compacted with manual or pneumatic tools, to achieve its ideal density creating a resistant and durable structure.

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Renzo Piano Building Workshop has released an update of their Emergency Children’s Surgery Center in Uganda, as work progresses on the pediatric surgery hospital. Since its inception in 2013, the scheme has sought to merge the practical requirements of the healthcare industry with a “model piece of architecture that is rational, tangible, modern, beautiful, and firmly linked to tradition.”

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Located high in the Himalayan Mountains, the sparsely populated region of Ladakh is one of the more remote places on Earth. At over 3500 meters above sea level, the region includes terrain consisting of steep cliffs and wide valleys, and an extreme climate to match: temperatures often reach +30 degrees celsius in the summer months and drop to -30 degrees celsius in the winter. Severe weather patterns such as these typically require durable construction materials and technologies - yet with the region’s difficult-to-reach location and a construction season lasting only four to six months, importing materials becomes a costly, if not impossible task. Luckily, with help from Czech architecture firm Archide, residents were able to find that the best material for the job was one found right outside their doors: rammed earth.

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