Experimental Study on Partial Replacement of Concrete in and Below Neutral Axis of Beam

Experimental Study on Partial Replacement of Concrete in and Below Neutral Axis of Beam
Author(s):
Ima Mathew, Er. Sneha M. Varghese
Keywords:
neutral axis, partial replacement of concrete, air voids, tension zone, compression zone
Abstract
In case of simply supported reinforced concrete beam, the region below neutral axis is in tension and the region above neutral axis is in compression. The tension and compression in the neutral axis is zero. In RC beams strength of concrete lying in and near the neutral axis is not fully utilized. The concrete below the neutral axis acts as a stress transfer medium between the compression and tension zone. In this thesis work, experiment is conducted to partially replace the concrete both in and near the neutral axis and that below the neutral axis by creating air voids using waste plastic bottles. This helps in reduction in concrete used, thereby reducing self-weight, cost, etc. Since waste plastic bottles areutilized to create air voids, it add on to sustainability.
Article Details
Unique Paper ID: 143949 Publication Volume & Issue: Volume 3, Issue 4 Page(s): 188 - 192
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