GEOSYNTHETICS IN CIVIL ENGINEERING
1M.SIVABHARATHI
1P.G Students, Department of Civil Engineering, 1Bharath University,Chennai, India.
1sivabharathicivil@gmail.com
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Abstract---Geosynthetics, the polymeric products, have started to play a major role in solving a handful of Civil Engineering problems. Be it the patching of the pavement surface, poor stability of the soils, sub-surface drainage problems or the problems concerned with the erosion of soil, Geosyntheticshas an answer to effectively eradicate all these problems. So, a look into the properties of the Geosynthetics will enable us to get a greater perception of the role that the Geosynthetic materials can play. It is economical,
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The biggest gain of them is their polymeric nature which helps them to be used in the ground where high levels of durability are required. The main categories of Geosynthetics are Geotextiles, Geogrids, Geonets, Geomembranes, Geofoams, Geocells, Geocomposites, Geosynthetic clay liners. They are available in a variety of forms and materials depending on their usage. They augment effective construction process and their main functions are like separation, filtration, reinforcement, drainage and liquid-barrier. Geotextiles are one of the two largest groups of Geosynthetics and has been steadily growing in use for the past few years. They consist of synthetic fibres in them making them not susceptible to biodegradation. They are pervious to water flow. Geogrids are actually the polymers formed into a grid like structure which are stretched in one or two directions to improve their physical properties, which are primarily used as reinforcement …show more content…
PROPERTIES
The Geosynthetics has such a major role to play in solving major problems thanks to its properties which enable them to do so. Here is a list which describes its ability.
2.1 Chemicaland Biological Resistance
It is necessary that the Geosynthetic materials be used in very tough environmental conditions such as in the containment of landfills and contaminated land areas. In such cases they can play an effective role as they are biologically as well as chemically resistant in nature.
2.2 Mechanical Damage Resistant
These Geosynthetic materials have been used in the preparation of good pavement materials and the reason behind that is their property of being mechanically damage resistant.
2.3 Temperature
(Mazzassa – Lea's science). Calcium silicate hydrate is the fundamental result of lime-pozzolan response. Calcium aluminous hydrate, hydrated gehlenite, calcium carboaluminate, ettringite and calcium aluminous monosulfate are a percentage of alternate items that outcome from the lime-pozzolan response notwithstanding calcium silicate hydrate. (Admixtures for cement T.erdogan). The hydration between slica of pozzolans and calcium hydroxide are given by mathematical statement.
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