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A good road Network facilitates smooth trade and travel. Both are most important aspects of a growing economy of the country. Hence a good sustainable technology is the need of the hour in India which has a Road Network of over 58Lakhs km (2017 as per NHAI Website) India’s Road Network is second largest following United States. In India increase in traffic & over loading condition require a better durable & more effective roads that prevents or reduces the distress of AC/BC Roads The development of modern pavement technology is needed to accelerate significant improvement of pavement quality of highways, airport runways and urban roads.
Reason for using Stone Matrix Asphalt in India
Tough, Stable and Rut-Resistant Mixture that relies on… … Stone-on-Stone Contact to provide Stability and … Binder rich mortar to provide Durability. Plus low on Maintenance. The stability in a SMA-mix is obtained through the internal friction in the self-supporting stone skeleton. Compared to Rigid pavement can be constructed faster avoiding inconvenience to existing traffic, especially when working on Highways, Urban Roads and places where roads cannot be closed for traffic for long duration.
In a nutshell , Stone Matrix Asphalt offers, High Resistance Against Rutting (High Temperature, Heavy Traffic).High Flexibility – No Cracking (Cold Temperature) , thus ideal for use across India. High wearing resistance , hence pocket friendly as far as Maintenance is concerned. High adhesive capacity between the stone granules and the bitumen. A mix with no tendency to separate. Lower traffic noise hence less Driving fatigue.
Though Stone Matrix Asphalt paving is Costlier by 20 % to 30% as compared to the conventional BC/AC, The cost of maintenance is very less, as a SMA pavement does not require Maintenance for at least 10 years. Primary reason for cost increase of SMA is the higher content of Bitumen and As we use higher content of bitumen the mix has tendency to bleed so to arrest the bleeding of Excess bitumen Palletized cellulose fibers are used . SMA is considered as a perpetual pavement as the design life of the pavement is considered to be around 20 years. With Zero maintenance for 10 years and minimum maintenance for next 10 years. There are pavements witnessed designed on SMA on National Highways In Europe Where no maintenance was required for 20 years. (The Specification need to be adhered strictly as SMA is highly quality conscious mix, proper implementation is required under strict supervision from Mix design to Paving and Compaction).
Indian Road Congress SP 79/2008 and MORTH Specification 515 / 2013 have been responsible for the Stone Matrix Asphalt being now widely adopted in many Road designs across India. Stone Matrix Asphalt Technology being a Quality conscious Mix requires the best quality of Cellulose Fibers and also proper implementation of specifications this is where our role as Consultants comes in practice, we assist Authorities, Contractors and Concessioners in Implementing Stone Matrix Asphalt Technology as per Specifications. Our Palletised Cellulose Fibers are Made in India and adhere to the required specifications of IRC and MoRTH. We have successfully implemented SMA in many projects all over India.
We are committed to provide any additional information about Stone Matrix Asphalt Technology for sustainability.
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