IRG Documents Database and Compendium


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A new approach to the maintenance of wooden railway sleepers. (Second report)
1988 - IRG/WP 3492
The microenvironment and micro-ecology of wooden railway sleepers was investigated to assess their condition to determine the necessary treatment, repair and replacement criteria. In this report the efficacy of the secondary preservative treatment with solid boron rods is discussed and the development of an in-situ, nondestructive test method based on the creation and assessment of structural dyna...
W Beauford, P I Morris, A M Brown, D J Dickinson


A new approach to the maintenance problems of wooden railway sleepers
1986 - IRG/WP 3392
The microenvironment of wooden railway sleepers is being investigated to assess their condition to determine the necessary treatment, repair and replacement criteria. The research work involves the development of an integrity tester to determine the condition of sleepers, a remedial treatment of sleepers by selective application of boric acid and a synthetic repair system....
W Beauford, P I Morris.


A new approach to the maintenance of wooden railway sleepers. (Final Report)
1992 - IRG/WP 92-3724
The micro-environment of wooden railway sleepers was investigated to assess their condition, to determine the necessary treatment, repair and replacement criteria. In the final report the secondary preservative treatment of wooden sleepers with solid boron rods is discussed; the complete development of an in-situ, non-destructive test method based on structural dynamics analysis is described. The ...
W Beauford, A M Brown, D J Dickinson


A new factory applied preservative treatment for joinery
2002 - IRG/WP 02-40246
Conventional pre-treatment processes involve the principle of applying preservatives to the external surfaces of wood to achieve the necessary penetration and retention of the chemicals although the heartwood remains difficult to treat. The present development involves the production of internal reservoirs within new joinery components, which are subsequently filled with a specially developed g...
I M Robertson, W Beauford