Abstract
The idea of Carriageway design and maintenance needs to be such that it bears loads due to the climate change and also for the social comfort which caters the all range of people who use the road way. In this study the potential of the paver blocks is evaluated in the laboratory. Styrene-Butadiene rubber induced paver blocks will have greater tension, good ductility and also, good impact strength because of the 3D polymer network. The bridging between cracks and also due to voids filling nature, the porosity decreases. A Styrene-Butadiene rubber polymer induced along with granular slag sand in ICPB to improve the ductility and flexure of polymer modified concrete (PMC). The structural properties of PMC in paver blocks are studied, the study is divided into two series, Series 1 is to cast paver blocks solely of granular slag sand and Series 2 is to cast paver blocks of PMC where fine aggregates with few parts replaced with Granular slag sand. The comparative study is done for various strength parameters. The study concludes that the paver blocks with PMC concrete with 15% of Granular slag sand replaced with fine aggregates.
Highlights
The aggregate production is responsible for 50% of total greenhouse gas emissions for both asphalt and concrete pavements
The casting process for ICPB is divided into two series, Series 1 is cast with granular slag sand and Series 2 is cast with granular slag sand and polymer
The Series 1 mixes are evaluated through compressive strength and the mix which gives the satisfactory results is chosen for Series 2 where the different proportions of polymer are experimented with to arrive at an optimum polymer proportion, for Series 2 the flexural strength is chosen as a base for evaluation
Summary
The aggregate production is responsible for 50% of total greenhouse gas emissions for both asphalt and concrete pavements. In addition to the service condition, the anthropogenic climate change imposes additional stresses that significantly influence the structural performance of the pavement during its life span. In this regard, the optimum life span and the mode and intensity of failures can change, which results in variations in the pavement management strategies, models of investment, and capital resource losses. Polymers have good binding properties and good adhesion with aggregates They have long-chain structure, which helps in developing long-range network structure of bonding. Polymer materials usually provide greater compressive, tensile and flexural strength to the concrete compared to Portland cement.
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