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Surface dressing: proposed amendments to Road Note no.39



The publication in 1972 of Road Note no.39 'Recommendation for road surface dressing' provided engineers with up-to-date guidance on surface dressing specifications necessary to cater for the wide range of traffic conditions and types of road surface encountered. Research on surface dressing continues to develop new techniques and materials and this report gives details of a series of full-scale road trials and experiments designed to provide information on which to base revised and expanded recommendations. The three topics that have been investigated are 1) Surface dressings on concrete roads; 2) The use of cut-back bitumen and low-temperature-carbonisation tars as binders on roads in lane traffic category 2 (1000-2000 cvd); 3) The use of Class KI-70 cationic bitumen emulsions as binders in road surface dressing. Recommendations proposed for the future revision of Road Note no.39 as a result of these investigations include the use of single surface dressings on concrete and confirmation of the use of cut-back bitumen and low-temperature-carbonisation tars on road carrying traffic in category 2 (1000-2000 cvd). A proposed innovation is the expansion of the Road Note to include rates of spread of cationic bitumen emulsions for use on roads carrying less than 1000 commercial vehicles per day (categories 3, 4 and 5 of Road Note no.39)


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0000001618625.7(047.31) Wri sMy LibraryTersedia
0000007927625.7(047.31) Wri sMy LibraryTersedia

Informasi Detail

Judul Seri
Trrl Lr 908
No. Panggil
625.7(047.31) Wri s
Penerbit TRRL : .,
Deskripsi Fisik
14 p.; fig.; tab.
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
625.7(047.31)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
Info Detail Spesifik
-
Pernyataan Tanggungjawab

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