Dong Anh House Uses Rammed Earth Construction

Updated: Aug 21

The Dong Anh House is another VTN Architects project is located on Van Tri Road, Dong Anh District, Hanoi. As it belongs to an isolated restaurant & villas complex with good security, an open garden design is applied to create the connection from indoor to outdoor with nature.

Dong Anh House

How Rammed Earth Construction Works

The basic idea aims to provide daily living spaces with a rammed earth wall system. Rammed earth is not a new material in Vietnam but not widely used. Most of its known applications have been through the house systems of ethnic minorities in the Northwestern region such as Ha Giang, Cao Bang, Lao Cai. Their houses are mainly built in a traditional way (named “trinh tuong”) in which the soil is rammed down cautiously. Those walls are made of clay, kaolin or mud taken from the foot of a limestone mountain, then rammed by wooden frame into thick earth walls which keep the indoor space warm in winter and cool on summer days.

With three types of earth soil, walls have different fancy veins which make the house an extraordinary appearance. After being collected, filtered, grinded, then mixed with a little cement and additives, the earth soil is added to formwork and compacted. The result is smooth, beautiful and strong walls.

The aim is to promote the above advantages and to limit disadvantages of bearing capacity of traditional rammed earth walls by modern technology and machinery. That made VTN Architects decide to use this material for the Dong Anh House. The project has the two-story-construction area at 500m2 in an 800m2 land area. The owner is a family with a large number of members, thus there’s a requirement for many private spaces as well as sharing spaces to connect with each other.

The Design

The living room and dining room in the center of the house is connected to nature through a large view of both the front & back gardens. Space organization is coherent and convenient for people to use. The amount of fruit trees on the roof, along with the open garden around the house is another emphasis that makes this a green, cool and friendly environment to the people. The sloping roof is also a reasonable design for tropical monsoon climate in Vietnam.

The rammed earth wall has a 350mm thickness, 2-story-height and eliminates the use of the concrete pillar. Materials are taken from different land mines, about 30km from the construction site. With many types of earth soil, walls have different authentic textures which make the house an extraordinary appearance. After being collected, filtered, grinded, then mixed with cement, additives, the earth soil is added to formwork and compacted.

Generally, this Green Architecture project gets attention because of the novelty in materials, its modernity and usability in function and the friendliness in its architectural style & landscape.


See more photos of Dong Anh House.

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