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Specification. Dense tar surfacing for roads and other paved areas
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
| SDO | BSI: British Standards Institution |
| Document Number | 5273 |
| Publication Date | Nov. 28, 1975 |
| Language | en - English |
| Page Count | |
| Revision Level | |
| Supercedes | |
| Committee | B/510 |
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