COMPRESSIVE STRENGTH BEHAVIOUR OF CONCRETE PRODUCED USING OKIGWE RED LUMP STONE AS COARSE AGGREGATE | Zendy

Chioma Temitope Gloria Awodiji | Zendy; CHINEDU PAUL EZEGO | Zendy; DAVIS OGBONNA ONWUKA | Zendy; Stanley Emeka Iwuoha | Zendy

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COMPRESSIVE STRENGTH BEHAVIOUR OF CONCRETE PRODUCED USING OKIGWE RED LUMP STONE AS COARSE AGGREGATE

Author(s) -

Chioma Temitope Gloria Awodiji,

CHINEDU PAUL EZEGO,

DAVIS OGBONNA ONWUKA,

Stanley Emeka Iwuoha

Publication year - 2018

Publication title -

journal of engineering studies and research

Language(s) - English

Resource type - Journals

eISSN - 2344-4932

pISSN - 2068-7559

DOI - 10.29081/jesr.v24i2.56

Subject(s) - aggregate (composite) , compressive strength , materials science , composite material

This study was carried out in order to ascertain if the Okigwe red lump stone, found in South-eastern Nigeria, could be used as coarse aggregate in making structural concrete. The maximum compressive strength values, obtained at 28 days for red lump stone concrete were 13.72 N/mm2 at w/c ratio of 0.53 for mix ratio 1:2:4 and 8.74 N/mm2 for mix ratio 1:3:6, at w/c ratio of 0.55. These values were not up to 20 N/mm2 which is the ACI 318 (1995) recommendation for structural concrete. Therefore, Okigwe red lump stone must not be used in making structural concrete using mixes 1:2:4 and 1:3:6.

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