Many people are afraid
of constructing their buildings in area subjected by liquefaction potential and
in wetland it may be swamp, marsh. What can you do when you find much water from
underground at the site in the process of constructing your building? What
decision you can take when site under construction are subjected a lot of water
after your site investigation? This
article describes some methods of improving soil properties.
Only solution of these
problems is soil stabilization define as method of improving soil
properties by mixing with other materials. For me I pick up Two main types of
soil stabilization technics such that mechanical
stabilization and chemical
stabilization.
Mechanical
stabilization is method refers to physical changing
property of soil somehow, in order to affect
its gradation, solidity, and other characteristics. Mat foundation and deep
foundation are important way of resolving this problem. This is done after
compaction of the soil. Compaction is one of the major types of soil
stabilization which is the densification of soil by removal of air. This
increases the strength characteristics of soils which increase the bearing
capacity of foundations constructed over them.
Compaction also
decreases the amount of undesirable Settlement of structures and increases the
stability of slopes of embankments for this we use material like Smooth wheel
rollers, sheep foot rollers, rubber-tired rollers, vibratory rollers and
Vibroflot devices.
Chemical
stabilization is method refer for adding addition materials to
the soil that will physically interact with it and change its properties. These
additional chemical materials are calcium chloride, sodium chloride and sodium
silicate. For this chemical vapor pressure gets lowered, surface tension
increase and rate of evaporation decreases. The freezing point of pure water
gets lowered and it results in prevention or reduction of frost heave. The other addition materials are cement,
lime, bitumen, fly ash, or kiln dust. Most of the reactions are cementation and pozzolanic
in nature, depending on the nature of the soil present at the particular site
you are investigating.
All these method
of soil stabilization are used all over the world. When you put them into
consideration your land will be used properly and your building will be strong.
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By Didace
BIZIYAREMYE
