Page 61 - CIJ Oct 2024 Digital Edition
P. 61
WASTE MANAGEMENT
to traditional resources, categorized
into industrial waste, infrastructure
waste, agricultural waste, and
municipal waste.
EMERGING
TECHNOLOGIES, Industrial waste
SUCH AS Waste products such as coal ash,
ADVANCED blast furnace slag, and construction
RECYCLING and demolition waste, among
METHODS AND others, are being repurposed for
NOVEL MATERIALS applications like embankments,
LIKE BIO-BASED base and sub-base materials, and
even in bituminous and concrete
BITUMEN, HIGH- mixes. These materials, sourced
PERFORMANCE from industries such as thermal
COMPOSITES AND power, steel, petrochemical,
SELF-HEALING and construction, offer cost-
ASPHALT ARE SET effective and environment-
TO REVOLUTIONIZE friendly alternatives to traditional
construction resources for
THE highways.
CONVENTIONAL Research work is being carried
ROAD out by number of academic
CONSTRUCTION institutes, along with CSIR-CRRI
PRACTICES. in both lab and field applications to
utilize the industrial waste.
Infrastructure waste
Waste materials from
infrastructure projects, including
into valuable resources, thereby construction and demolition
reducing the environmental (C&D) waste and recycled asphalt
burden and contributing to the pavement (RAP), are valuable
country’s sustainability goals. By resources in road construction.
integrating waste materials into C&D waste, composed of materials
road construction, waste disposal such as concrete, bricks, and
challenges are also addressed metals, is often crushed and
along with saving of natural reused in base and sub-base layers,
resources. This initiative reflects providing a stable foundation for
the government’s commitment roads. Recycled asphalt, sourced
to building a more sustainable from old pavements, is processed
he Indian government and resilient infrastructure while and reincorporated into new asphalt
has taken a proactive aligning with global sustainability layers, reducing the need for virgin
stance on this targets such as the United Nations’ materials and lowering the overall
issue through its
T‘Waste to Wealth’ Sustainable Development Goals carbon footprint of road projects.
(SDGs).
mission. This initiative stems from CRRI is actively working to
a broader strategy to promote Types of Waste incorporate the maximum amount
of RAP and C&D waste in road
the reuse of waste materials Materials in Road construction through pilot studies.
in various sectors, including This approach not only minimizes
infrastructure development. The Construction waste but also supports a circular
mission encourages innovative Various types of waste materials economy, where materials are
practices that transform waste have emerged as viable alternatives reused rather than discarded.
Clean India Journal•OCTOBER 2024 61
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