Advantages And Disadvantages Of Mud And Stone

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hapter 5. Solutions Beyond the Ordinary: Adaptations and Alternatives

5.1 Advantages and Adaptations of Mud and Stone

• The use of mud and stone is mainly due to affordability. They cannot manage construction completely without cement. They use it for the plinths and foundations. They have used lime wherever possible but over the years lime plaster has proven difficult to maintain.
This shows that it is practically impossible for them to construct purely out of mud and stone.

• What is interesting is the use of steel in combination with wattle and daub in Proto Village. In the dome house they have used a geodesic steel framework over which they have filled alternate triangles in with wattle and daub.
This concept can be taken even further and could possible lead to the construction of large span mud structures.

• The main problem they are facing is roofing materials. Thatch roofs are the most practical for this weather and budget but they also require a lot of maintenance. Another option would be to continue using aluminium sheeting but this will have to be insulated properly.
The roofing methods that are currently being used are
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A layer of wire mesh is used over the galvanised iron sheet before laying the reinforcement of the framing beams which are welded to the J hooks used to anchor the sheets. This ensures that the concrete does not fill the valleys of the galvanized iron sheets and the air gap provides thermal insulation. The framing beams are then concreted to accommodate the infill material such as lean concrete or stabilized mud. This can then be clad with clay tiles, broken ceramic bars or slate depending on the availability of materials in the region. Effectively the concrete is used as a quilt over the internally secure waterproof diaphragm and assumes a secondary use. Galvalum sheets can be used in coastal regions where corrosion is a serious concern owing to

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