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Engineering
AN INVESTIGATION ON THE EFFECT OF SHEARING RESISTANCE OF SOIL ON RELIABILITY OF LOCALLY FABRICATED HOES
Shadrack Mathew Uzoma
Shadrack Mathew Uzoma
Locally fabricated hoes designed for local use hardly last more than a farming season. This has been attributed to the geometry or configuration of the fabricated hoe vis-à-vis the shearing strength of the soil. Experience has shown that such hoes when put to practical use easily become blunt within a limited time. On the dynamics of operation basis, factors or parameters that need be considered are blade angle, angle of swing, shearing strength of soil and manner of loading the hoe. These factors will determine how readily or frequently the hoe gets blunt. Frequent sharpening of the hoe leads to fast wearing away of the hoe material. This necessitates the need to produce the hoe often. This venture is capital intensive and cost ineffective when the poor peasant communities are put in view. The paper calls for the need to adequately consider the dynamics of operation of locally fabricated hoes. This is to enable production of local hoe that will suite different soil types with long life span.
10 Pages
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