Stone asphalt texture3/15/2024 ![]() ![]() Find a library where document is available.This paper provides an update on the development of local guidelines and specifications and some of the learning experiences in adapting the SMA concepts to the Australian operating environment. Experience has been mostly positive, however, some problems have been encountered and the additional manufacturing and placement requirements of SMA compared to dense graded asphalt have resulted in extensive research and development with inputs from German and US experts. Thin surface course materials ( continued ) stone mastic asphalt 269 supply of details 382 surface preparation 381 surface texture 382 tack coat 380. SMA projects have now been in service in Australia for periods of up to ten years. SMA has found use in Europe, Australia, the United States, and Canada as a durable asphalt surfacing option for residential streets. It provides a deformation-resistant, durable surfacing material, suitable for heavily trafficked roads. While SMA and its variations now dominate asphalt surfacing types used in Europe and the United Kingdom as well as being used extensively in other parts of the world, asphalt surfacing types developed for cool European climates and heavily bound pavement types do not necessarily translate directly into warm climates or readily adapt to use as thin surfacings on flexible granular pavements. Stone mastic asphalt (SMA), also called stone-matrix asphalt, was developed in Germany in the 1960s with the first SMA pavements being placed in 1968 near Kiel. This paper describes how stone mastic asphalt (SMA) came to Australia from Europe in the early 1990s, around the same time that it was introduced to the USA and Canada, because of its’ combined good surface texture and low-noise characteristics with rut resistance and durability. ![]() ![]() Australian Application of International Developments in Stone Mastic Asphalt (SMA) ![]()
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