Analysis of alternative roadway designs for the control of frost heaving
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Date
1991
Authors
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Journal ISSN
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Publisher
University of New Brunswick
Abstract
Design a l t e r n a t i v e s f o r t h e c o n t r o l of f r o s t heaving
were studied. A one-dimensional f i n i t e element heat flow
model was used to evaluate the e f f e c t i v e n e s s of each
a l t e r n a t i v e . This a n a l y s i s was performed for t h r e e s i t es
w i t h i n New Brunswick and the optimum depth of m a t e r i al
required to c o n t r o l f r o s t heaving was determined for both
polystyrene i n s u l a t i o n and non-frost-susceptible f i ll
a l t e r n a t i v e s . The c o s t s of both of these m a t e r i a l s were
compared for a l l t h r e e s i t e s and the most economical
a l t e r n a t i v e was chosen.