Soil in Jamaica can be classified as cohesive or fine-grained, non-cohesive or coarse-grained and organic.
Properties of Cohesive Soils
* High water holding capacity
* Water drains poorly
* Soil stays wet
* Low strength with high moisture content
* Exhibit cohesion between particles
Properties of Non-cohesive Soils
* Large air space or larger voids
* Allow water to percolate through them much easier than cohesive soil
Properties of Organic Soils
With the different soil types that are available, when building foundation one has to be careful that they are building the right foundation on the available soil. Soil type of uniform, firm and stiff clay – Suitable for strip, pad or isolated column, short-bored piles and beam and solid slab raft, foundation type.
Soil type of soft or soft silty clays – Is suitable for wide strip, inverted ‘T’ beam or variants of the raft foundations depending on soil bearing capacity of the soil.
Soil type in mining and other subsidence areas – Is suitable for variants of the raft foundations depending on bearing capacity of the soil.
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