Transcription of Draft TRH 20 THE STRUCTURAL DESIGN, …
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Draft TRH 20 THE STRUCTURAL DESIGN, …
TECHNICAL RECOMMENDATIONS FOR HIGHWAYS Draft TRH 20 THE STRUCTURAL design , construction AND maintenance OF UNPAVED ROADS 1990 ISBN 0 908381 87 5 Pretoria, South Africa, 1990 Published by Department of Transport P O Box 415 PRETORIA 0001 Republic of South Africa for the Committee of State Road Authorities PRINTED FEBRUARY 1990 Printed in the Republic of South Africa by V & R Printing Works (Pty) Ltd. PRETORIA PREFACE TECHNICAL RECOMMENDATIONS FOR HIGHWAYS (TRH) are written for the practising engineer and describe current, recommended practice in selected aspects of highway engineering. They are based on South African experience and on the results of research and have the full support of the Committee of State Roads Authorities (CSRA).
technical recommendations for highways draft trh 20 the structural design, construction and maintenance of unpaved roads 1990 isbn 0 908381 87 5
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