BS 5273:1975
$102.76
Specification. Dense tar surfacing for roads and other paved areas
| Published By | Publication Date | Number of Pages |
| BSI | 1975 | 16 |
This British Standard specifies the composition, manufacture, testing and transport of dense tar surfacing (DTS), defined in BS 892 as
a hot process wearing course material consisting of aggregate, filler and road tar, in such gradings and proportions that when spread and compacted it provides a close textured impervious mixture.
Notes on the use of DTS are given in Appendix A. Recommendations for laying the materials and for measuring their temperatures are included in Appendix B and Appendix C.
The mixtures specified are as follows:
DTS (crushed rock or slag fine aggregate)
35 % coarse aggregate content 14 mm and 10 mm nominal size
50 % coarse aggregate content 14 mm and 10 mm nominal size
DTS (sand fine aggregate)
35 % coarse aggregate content 14 mm and 10 mm nominal size
50 % coarse aggregate content 14 mm and 10 mm nominal size
Composition, manufacture, testing, transport and laying.
