Perfunctory performance of self-compacting concrete using recycled coarse aggregate with and without processing
Srikanth, N.
Perfunctory performance of self-compacting concrete using recycled coarse aggregate with and without processing - Vol. 48, Issue 04 - Chennai CSIR- Strctural Engineering research Centre 2021 - 307-318p.
Usage of Recycled Coarse Aggregate (RCA) in construction industry is
the need of the era to achieve sustainability. To improve the
performance of RCA, adhered mortar is removed by different physical
and chemical treatments. This study investigates the practice of
processed RCA in Self-Compacting Concrete (RCASCC) for
replacement levels (0%, 25%, 50%, 75% and 100%) by abrasion for 500
and 1000 revolutions. The objective of the study is to optimize the
number of revolutions and the replacement percentage of processed
RCA in the mixes A and B. The study includes the mechanical
parameters such as compression, split tension, flexure and bond
strengths. Further, to understand and compare the stiffness behaviour
of processed and unprocessed RCASCC, stress strain relationship is
examined. From the findings it was observed that, with increase in the
number of revolutions the performance of processed RCA is
decreasing. Also, the results showed a relative improvement in
performance of SCC mixes for 500 revolutions at 50% replacement
level when compared to unprocessed RCASCC. The outcomes of the
study facilitates an experimental evidence for the use of processed
RCASCC in structural applications and fulfil the need of replace and
reuse of construction demolition waste for achieving sustainability.
Civil Engineering
Processed Recycled Coarse Aggregate Stress-Strain Behavior
Perfunctory performance of self-compacting concrete using recycled coarse aggregate with and without processing - Vol. 48, Issue 04 - Chennai CSIR- Strctural Engineering research Centre 2021 - 307-318p.
Usage of Recycled Coarse Aggregate (RCA) in construction industry is
the need of the era to achieve sustainability. To improve the
performance of RCA, adhered mortar is removed by different physical
and chemical treatments. This study investigates the practice of
processed RCA in Self-Compacting Concrete (RCASCC) for
replacement levels (0%, 25%, 50%, 75% and 100%) by abrasion for 500
and 1000 revolutions. The objective of the study is to optimize the
number of revolutions and the replacement percentage of processed
RCA in the mixes A and B. The study includes the mechanical
parameters such as compression, split tension, flexure and bond
strengths. Further, to understand and compare the stiffness behaviour
of processed and unprocessed RCASCC, stress strain relationship is
examined. From the findings it was observed that, with increase in the
number of revolutions the performance of processed RCA is
decreasing. Also, the results showed a relative improvement in
performance of SCC mixes for 500 revolutions at 50% replacement
level when compared to unprocessed RCASCC. The outcomes of the
study facilitates an experimental evidence for the use of processed
RCASCC in structural applications and fulfil the need of replace and
reuse of construction demolition waste for achieving sustainability.
Civil Engineering
Processed Recycled Coarse Aggregate Stress-Strain Behavior