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 The low-cost housing design proposed in the preceding chapter could be built with three alternative construction technologies, each of which has been researched, developed and implemented by the author in different projects and institutions.


These construction systems are based on vernacular building systems used all over Latin America for centuries.

A The first technology Wattle and Daub - Timber was developed and implemented in different low-cost housing projects in Ecuador in 1992-93.

B The second technology Timber - Mud Brick is based on "Alahua-Funhabit" structural principles and was implemented in the construction of the Guayllabamba Research Centre in Ecuador in 1988; and was refined in 1991 in a Master's thesis at Louvain University, Belgium. Thereafter, it was used as a prototype for the "Comunidades" low-cost housing project in Brazil in 1992.

C The third technology, Rammed Earth - Timber, was developed in the construction of the Guayllabamba Research Centre in Ecuador in 1987-89 and refined in different projects in Ecuador in 1992-93.

Properties of these Construction Systems


Much more economical than conventional construction systems.


Most of the component parts of these systems may be used in any combination i.e. interchanging the structure, foundations, roof, walls etc.


Most of the materials used in these proposals are locally available throughout the developing world (earth, timber, bamboo).


Self-Build Potential
All the components and construction systems have been designed to maximize the potential for prefabrication and self-construction.


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Contents | Preface | Acknowledgements | Abstract | Introduction
Objective | Methodology | Conclusions | Bibliography

Trade-off Methodology for Low-Cost Housing Construction Technologies

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