The Use of Selected Indigenous Building Materials with Potential for Wide Application in Developing Countries (HABITAT, 1985, 80 p.)

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FOREWORD

INTRODUCTION

I. AN OVERVIEW OF THE BUILDING MATERIALS SECTOR IN DEVELOPING COUNTRIES

A. Importance to national development

B. Trends in the sector

C. Problems of the sector

II. THE CONCEPT OF INDIGENOUS BUILDING MATERIALS

A. Variations in national resource capacities

B. Indigenous building materials in the context of low-income shelter

C. Factors of production for indigenous building materials

D. Scale of production

E. The use of materials in construction

III. CONSTRAINTS LIMITING THE ADOPTION OF INDIGENOUS BUILDING MATERIALS

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A. Technology of production

B. Investment requirements

C. Quality of output

D. Demand for indigenous materials

E. Inappropriate use of indigenous building materials in construction

IV. MEASURES FOR ACHIEVING ADOPTION OF INDIGENOUS BUILDING MATERIALS

A. Transfer and development of appropriate technology

B. Formulation of standards for indigenous building materials

C. Reformulation of regulations, codes and other regulatory instruments

D. Provision of access to credit and capital

E. Provision of access to raw materials

F. Institutional support

V. THE PRODUCTION AND USE OF SELECTED INDIGENOUS BUILDING MATERIALS5/

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A. Introduction

B. Lime

C. Pozzolanas and lime-pozzolanas

D. Natural pozzolanas

E. Artificial pozzolanas

F. Blended cements

G. Gypsum-based binders

Annexes

Annex I: CASE STUDIES ON PRODUCTION OF SELECTED INDIGENOUS CEMENTITIOUS MATERIALS

A. India: production of cement in mini-scale plants

B. United Republic of Tanzania: lime-pozzolana project at Oldonyo Sambu

C. Rwanda: production of lime-pozzolana

D. Indonesia: production of lime-trass binders

E. India: production of lime clay (surkhi) binders

F. India: production of lime-rice-husk-ash cements

G. Botswana: the production of blended cements

H. India: production of blended cements

I. Philippines: production of blended cements in Cebu

J. Cape Verde: production of gypsum plaster

Annex II: INFORMATION ON LIMESTONE DEPOSITS IN AFRICAN COUNTRIES

Annex III: INFORMATION ON NATURAL POZZOLANA DEPOSITS IN AFRICAN COUNTRIES

Annex IV: RICE-HUSK AVAILABILITY IN AFRICAN COUNTRIES