AN EXPERIMENTAL STUDY ON HARDENED PROPERTIES OF CONCRETE SPECIMENS AT INTERFACE OF OLD AND NEW CONCRETE

AN EXPERIMENTAL STUDY ON HARDENED PROPERTIES OF CONCRETE SPECIMENS AT INTERFACE OF OLD AND NEW CONCRETE
Author(s):
DASETTI SURESH, T. SURESH BABU
Keywords:

Abstract
An experimental study was performed to evaluate hardened properties of concrete specimens at interface of old and new concrete, using as cast substrate surface and a commercial epoxy resin based bonding agent under different laboratory tests. Laboratory tests, including compressive strength (bond strength in compression), splitting tensile strength (bond strength in tension), slant shear strength (bond strength in shear) and flexural strength (bond strength in flexure) tests were conducted. The influence of the strength of concrete on the hardened properties of old and new concrete interface, the substrate(old) concrete was kept unchanged with a compressive strength of 20 MPa. On the other hand, two different concrete mixes, with compressive strengths 25 MPa and 30 MPa were used for the new concrete.
Article Details
Unique Paper ID: 153321 Publication Volume & Issue: Volume 8, Issue 6 Page(s): 393 - 397
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