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A Guide to Soil Stabilization Methods and Materials

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.

If you are to make the soil stable in your construction site then you should use any of these materials and methods.

Let us look first at the different stabilization materials.

You use slaked lime in highly plastic or clay-like soil. 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.

Cement is a popular stabilizing material for soil. You can use it in different kinds of soil. To improve stabilization, other materials such as sodium sulfate, lime or fly ash can be added to the cement.

Soil coherence which reduces the absorption of water and makes the soil more stable can be achieved using bituminous materials such as tar and asphalt. These will help prevent soil erosion.

The stability of the soil can also improve by adding chemicals. The most popular chemicals include calcium chloride, sodium chloride, and sodium silicate. Using chemicals can help compact the soil to stabilize it. They help increase the retention of water of the soil so that there is better sticking of particles together.

FAbrics that help build up the soil are geotextiles. They have pores and you have different options depending of the project type you are doing and the soil type 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. You can use them in wet areas because they can drain well.

Here are some soil stabilization methods you can use.

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. For loose earth, a deeper mixture of stabilizing material is needed.

Grouting is a more expensive option for soil stabilization. If the soil does not allow material mixing, then grouting should be used. Stabilizers are injected into the soil where it permeates and mixes to make the soil stronger and more compacted.

Electrical stabilization is another method of soil stabilization which is an expensive one. if the soil is clay-like then the best method of soil stabilization is electrical stabilization. When using electrical stabilization, metal electrodes are inserted into the earth. It involves running current through the electrodes and it results in water moving towards them. When water is removed it results in the compacting of the soil. YOu now have a sturdier foundation to keep construction vehicles safe.

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