Design and construction of forest access roads

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Date

1990

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University of New Brunswick

Abstract

F o r e s t a c c e s s roads have been e v o l v i n g over the past t h i r ty y e a r s from crude p o r t a s h roads to heavy duty haul roads. As loads and t r a f f i c d e n s i t y have i n c r e a s e d t h e r e has been a r a p i d ly growing requirement f o r the a p p l i c a t i o n of modern e n g i n e e r i ng methods and procedures. The i n c r e a s i n g loads have c r e a t e d an on going demand for more s t a b l e subgrades and smooth and durable s u r f a c e s . As well geometric requirements based on horsepower demand and safety have been c a l l i n g for longer r a d i u s c u r v e s and f l a t t e r grades. A l l of this w i t h i n the c o n f i n e s of very t i g ht monetary budgets. This has put a t e r r i f i c burden on the f o r e st i n d u s t r y and the optimal r e s o l u t i o n of these problems can only be a c h i e v e d through intense a p p l i c a t i o n of better engineering s t a n d a r d s.

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