Effort Towards Construction of Structures on Heterogeneous Soil of Backfilled Opencast Mines
By: Kumar, S
.
Contributor(s): Chattopadhyay, S.
Publisher: New York Springer 2019Edition: Vol.100(4), Dec.Description: 523-534p.Subject(s): Construction Engineering and Management (CEM)Online resources: Click here
In:
Journal of the institution of engineers (India): Series ASummary: In this age of rapid urbanisation, due to the scarcity of space in prime locations especially in major cities, constructions are proposed even on refilled areas, either natural or engineering fill. In the present scenario, the major problem is the geotechnical issues acting as barriers to the construction of buildings in such areas. Basically, in engineering refill of opencast mines, proper precautions often cannot be taken for the selection of the refill material and care taken for the compaction is not so seriously dealt with. In the past, requirement of making such constructions on backfilled earth has not been envisaged. Such backfilled mines are often extremely heterogeneous which throws two different challenges. First one is to arrive at a safe bearing capacity which can be uniformly used for construction at the backfilled site. The other one is to decide the nature of foundation and structure which can be built safely with such low bearing capacity expected in such backfilled soil. The present paper is a very humble effort to issues with the living examples of two backfilled sites at Talcher, Odisha, India.
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In this age of rapid urbanisation, due to the scarcity of space in prime locations especially in major cities, constructions are proposed even on refilled areas, either natural or engineering fill. In the present scenario, the major problem is the geotechnical issues acting as barriers to the construction of buildings in such areas. Basically, in engineering refill of opencast mines, proper precautions often cannot be taken for the selection of the refill material and care taken for the compaction is not so seriously dealt with. In the past, requirement of making such constructions on backfilled earth has not been envisaged. Such backfilled mines are often extremely heterogeneous which throws two different challenges. First one is to arrive at a safe bearing capacity which can be uniformly used for construction at the backfilled site. The other one is to decide the nature of foundation and structure which can be built safely with such low bearing capacity expected in such backfilled soil. The present paper is a very humble effort to issues with the living examples of two backfilled sites at Talcher, Odisha, India.
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