The cracks on your building can actually heal itself with this concrete

The biggest challenges of making concrete buildings is that with time the material dries and cracks. This has been solved by self healing solution by applying bacterial biotechnology.

BioCement is a natural, carbon-neutral process which is useful for improving the quality of soil. It is based on stimulation of native soil bacteria for cementing the soil particles together through a process known as Microbial Induced Calcite Precipitation (MICP).

BioCement Technologies Inc. a company based in U.S manufactures it and aims to provide microbial soil engineering solutions.

It comes in a dry powder that should be mixed in water. This nutrient rich solution is then fed to native soil bacteria, that grows in proportion to the amount of nutrients and helps in cementing the soil together.

Slope stabilization

bioremediation 

This powder can be used for remediation of heavy metal contamination in soils, unpaved roads, for controlling the hydraulic conductivity of soils and also in combating the soil liquefaction.

The basic process of BioCement involves :

1.Enrichment

Nutrients are applied to the soil for growing the native bacteria population. The bacteria ingest the nutrients and hydrolyze the urea component in the presence of water to form ammonium and carbonate ion.

2. Treatment

Nutrients are re-applied to the soil, by adding calcium chloride. In the presence of calcium ions and soil particles, the carbonate ions react spontaneously with the calcium ions to form calcium carbonate, the cementing agent used for binding the soil particles together. BioCement powder can be used in liquid form and can be applied through variety of means including spray bars, drip lines, injections,hoses and high-powered pumps.

Here are few advantages of BioCement :

underground infrastructure

1. BioCement increases the shear strength and unconfined compressive strength in wide range of soils including large grained sands to fine grained silts.

2. Since it is a carbon sequestering process, it is eco-friendly and actually helps to store carbon which could otherwise enter the atmosphere

3. BioCemented soils are self-healing! It means that if the bonds between soil particles are broken, the bacteria in the soil will self repair.

4. They fill in the empty space between soil particles, that means the volume of the treated soil does not increase. Due to that, it can be used around existing infrastructure without causing damage.

5.  BioCement can help in customizing a range of soil strength and permeability.

6. This process is a natural part of the environment. The bacteria used are naturally occurring in almost all soils and limestone (or calcite) makes up a third of the Earth’s crust.


For more information you can visit the official site : BioCement.Inc

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