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Raw earth is a natural material which has been used in construction since the ancient times. It is an excellent building material, similar to concrete

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Raw earth is a natural material, which has been used in construction since ancient times. It consists of a compacted mixture of moist clay and sand. Raw earth is an excellent building material, as it has many properties similar to concrete. It is especially suitable in countries with a hot climate. A variety of raw earth construction techniques already exist and developed over centuries.

Switch on your loudspeakers/headset for this interactive multimedia lecture, which consists of 2 parts. At the end of the lecture, you have a chance to test your knowledge in the lecture quiz.

Background on Raw Earth as a Sustainable Building Material

Although raw earth as a building material existed for a long time, it only recently gained interest, due to its eco-friendly properties and significant energy saving potential across all stages of its life cycle. Therefore, raw earth can be a cornerstone for constructing eco-houses.

Unlike conventional masonry bricks, the soil and water mix in raw earth is used almost in its natural state. There is ample evidence, both historic and contemporary, that raw earth can be a durable construction material. Famous raw earth constructions include the Fujian Tulou in China and the new Ricola Kräuterzentrum (German for herb center) in Switzerland by the famous architecture firm Herzog and de Mauron.

However, shifting cement to raw earth construction will require to overcome not only technical, but also cultural challenges. One major challenge is to overcome the prejudices, that raw earth constructions are not suitable for contemporary architecture. Furthermore, to break the perception, that cement is not automatically better as it is a more recent construction method. Regardless of this challenge, the interest in raw earth as a building material and alternative to cement increased.

About the lecturer

Madiana Hazoume gives this two part lecture on Raw Earth Construction. She is a lecturer and project manager at ICAM Paris in 2018, responsible for the thematic area Sustainable Buildings and Cities. Before joining ICAM, Madiana worked internationally as a civil engineer in France, Senegal, Madagascar and Canada. Her fields of expertise include sustainable building, thermal building, structural resistance and energy efficiency of buildings.

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In case you feel like you have mastered this topic, but would still like to know more about rural development, please have a further look at the materials on our website.

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Raw Earth Construction, Part 1: Properties of Raw Earth Raw Earth Construction, Part 2: Main Techniques of Raw Earth Construction Raw Earth Construction Quiz


The multimedia lectures are envisioned as a virtual classroom, where students attend the lectures given by guest lecturers. During the lectures, students have the opportunity to test their knowledge in short quizzes. Lectures are usually concerned with broader and more interconnected topics and designed to provide you with comprehensive knowledge on various topics related to rural development and reviving the rural.

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RUVIVAL produces e-learning material concerned with sustainable rural development. The project exists since 2016 as part of the Hamburg Open Online University (HOOU). The RUVIVAL Team produces the material at the Institute of Wastewater Management and Water Protection (AWW) as part of the Hamburg University of Technology (TUHH).

The aim is to spread knowledge on sustainable practices. This e-learning website gives you the tools to implement sustainable practices in the area of sanitation, water and soil conservation.

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Veröffentlicht am

October 15, 2019





Madiana Hazoume

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