WebApr 30, 2024 · Stone matrix asphalt (SMA) is a gap-graded HMA (Figure 1) that is designed to maximize deformation (rutting) resistance and durability by using a structural basis of stone-on-stone contact (Figures 2-6). … WebAs a heavy duty asphalt ULTIPHALT HD is the ideal choice for development, upgrade or extension of freight interchanges and rail-linked warehousing facilities. As a long lasting surface it extends pavement life and surfacing intervals to maximise operational life, minimise downtime and deliver return on investment. ... 10mm SMA 40/60 . Typical ...
Stone Mastic Asphalt - Civil Engineering Portal - Biggest …
WebDurafalt® is a high-performance SHW Clause 942 approved surface course system laid by any Hanson approved Licensed Laying Contractor. The Stone Mastic Asphalt (SMA) derived mix uses 40/60 pen grade bitumen and is suitable for both road maintenance and new road construction. It is available in 14mm, 10mm and 6mm nominal sizes and a range of ... 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. It provides a deformation-resistant, durable surfacing material, suitable for heavily trafficked roads. SMA has found use in Europe, Australia, the … See more SMA is mixed and placed in the same plant as that used with conventional hot mix. In batch plants, the fibre additive is added direct to the pugmill using individually wrapped press packs or bulk dispensing … See more The primary difference in placing SMA, compared to DGA is in compaction procedures. Multi-tyred rollers are not used due to the … See more • SMA provides a textured, durable, and rut resistant wearing course. • The surface texture characteristics of SMA are similar to Open graded … See more • Permeable paving • Plastic armour • TexSys - Texas Expert System for the selection of Hot-Mix Asphalt (HMA) based on TxDOT (2004). See more Aggregates used in SMA must be of high quality – well shaped, resistant to crushing and of suitable polish resistance. Binders used in SMA … See more • Increased material cost associated with higher asphalt binder and filler contents, and fibre additive. • Increased mixing time and time taken to add extra filler, may result in reduced … See more t24moss
Guidance Document on Surfacing Options
WebStone Mastic Asphalt (SMA) Hot Mix Types means SMA 9.5, 12.5, and 19.0 mixes. Stone Mastic Asphalt or Stone Matrix Asphalt (SMA) means HMA consisting of two parts of a coarse aggregate skeleton and an asphalt binder rich mortar. The mix has a gap graded aggregate skeleton with coarse aggregate stone-on-stone contact. WebAsphalt Applications 2p1 Nearly all roads in this country are surfaced with asphalt*. Asphalt in one or other of its various forms offers good strength, durability and weather-resistance, ease of maintenance and repair, and neat, low-glare appearance providing good contrast to road-marking paint. This makes Asphalt equally suitable as WebProducts Association (MPA), entitled ‘Service Life of Asphalt Materials for Asset Management Purposes’. They are not applicable to every road as other variables will … t24live cbg