Compressive Strength of Concrete Using Different Curing Methods

  • Daniel Yaw Osei Civil Engineering, Cape Coast Technical University, Cape Coast
  • Zakari Mustapha Department of Building Technology, Cape Coast Technical University, Cape Coast
  • Mohammed D.H. Zebilila Civil Engineering, Cape Coast Technical University, Cape Coast
Keywords: Control strength; compatibility; curing conditions; concrete development; concrete production.

Abstract

The structural use of concrete depends largely on its strength, especially compressive strength.
Various tests were carried out to ascertain the properties of concrete materials, whereas test performances of
the concrete with different mix ratios at specific ages of curing were undertaken. The study determined the
compressive strength of concrete using different curing methods. Four different methods of curing (ponding,
continuous wetting, open-air curing and sprinkling with water) were used. Seventy-two (72) cubes were cast
using a mix ratio of 1:2:4 and 1:3:6 with 0.5 water cement ratio and with 0.6 waters cement ratio respectively.
The compressive strengths were determined after 7 days, 14 days and at 28 days of curing. Findings show
that for 1:2:4 concrete, maximum of 28-day compressive was the highest for concrete cured by ponding and
the least was by sprinkling water. Further findings show that for 1:3:6 concrete, maximum of 28-day
compressive strength was obtained using ponding and the least was open air curing. Despite ponding method
producing the highest compressive strength of concrete, it is practically impossible to cure cubes above
ground structural elements. Wet-covering method is recommended for structural elements, such as columns,
beams and slabs in other to produce concrete
of a required compressive strength.

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Published
2020-01-10
Section
Research Paper