Date of Publication :7th April 2021

Abstract: This topic is involved in the subsurface site investigation to characterize different soil formations with particular emphasis on the swelling characteristics of the clays. The data were input into a geographic information system GIS with interactive maps. These maps are used to identify the swelling potential at various locations of puducherry with the study of damages in the form of cracks identified. The efficiency is very high when using computer techniques. Engineering properties of an expansive soil are investigated using in situ and compacted samples. The objective of the topic is to discuss the factors influencing the swelling behaviour and the associated damage in low rise buildings. The allowable and prediction of such damages in residential buildings is presented in terms of engineering properties and associated damage. Presence of high plastic clay indicates the existence of expansion soil problems. Expansive soils all over the world cause serious problems on civil engineering structures which lead to lakhs of amount to rectify the damage problems associated in the buildings. Soil properties mapped in this study which influence the damage potential of the engineering structures are clay mineralogy, liquid limit, plastic limit and initial water content, plasticity index, dry density. Environmental factors and initial moisture content, climate, Ground water drainage conditions and vegetation and soil profile of clay soil of the study are made in the database. So knowledge of this soil characteristic to the public will be useful to choose correctly the right type of foundations and right time to progress the stages of constructions.

Reference :