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Different Soil Stabilization Materials and Method.

When soil is poorly stabilized, it often leads to excavation accidents which kill construction workers. But if the soil in the worksite is stable enough for machinery to operate without having cave-ins, then these excavation accidents should not happen.

Here are some of the materials and methods that can help stabilize the soil in a construction site.

Let us look first at the different stabilization materials.

In soil that is clay-like or highly plastic, slaked lime is used. It gives strength to the soil and makes it more stable when it is added. It greatly helps to take away water from the soil so that it becomes more compact.

A popular stabilizing material for soil is cement. You can use it in different kinds of soil. You can add other materials to the cement-like lime, sodium sulfate, or sly ash so that stabilization is improved.

Asphalt and tar, which are bituminous materials, can improve stability and reduces water absorption. Using these materials can prevent soil erosion.

The stability of the soil can also improve by adding chemicals. The chemicals used include calcium chloride, sodium chloride, and sodium silicate. These help the soil to compact and make it more stable. Particles stick together better because water retention is increased.

Geotextiles are fabrics used in the stabilizing the soil. Geotextiles are porous and you have different options depending on the type of soil you are working with.

EnviroGrid made by Geo PRoducst is one popular example of geotextile. These heavy duty cells prevent the filler material from lateral movement. Because of their excellent drainage, they can be used in wet areas.

Below are some of the soil stabilization methods that can be used.

In soil stabilization’s most common method, the stabilizing material is mixed in the soil. It is important that the correct percentage of additive is mixed based on the how much of soil there is.

You should also be concerned about the depth of the soil. The materials can only do their job if the depth is enough. It is important to have a deeper mixture of stabilizing materials if the earth is loose.

Another method for soil stabilization is grouting which is a more expensive option. If the soil does not allow material mixing, then grouting should be used. A more compact and stronger area is created by injecting stabilizers into the soil where it permeates and mixes.

Electrical stabilization is another method of soil stabilization which is very expensive. if the soil is clay-like then the best method of soil stabilization is electrical stabilization. Metal electrodes are inserted into the earth in this stabilization method. Then a current is run through them and water moves toward the electrodes. When water is removed it results in the compacting of the soil. Construction vehicle will then work on a more sturdy foundation.

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Recommended reference: https://www.urdesignmag.com/

Post Author: aebi