APPLICATION OF INDUSTRIAL WASTE MATERIALS IN SUSTAINABLE GROUND IMPROVEMENT

3rd International Conference on Road and Rail Infrastructure (CETRA 2014)

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Field Value
 
Title APPLICATION OF INDUSTRIAL WASTE MATERIALS IN SUSTAINABLE GROUND IMPROVEMENT
 
Creator Mario Bačić; Department for Geotechnics Faculty of Civil Engineering University of Zagreb
Danijela Marčić; Department for Geotechnics Faculty of Civil Engineering University of Zagreb
Tea Peršun; ING-JET D.O.O.
 
Subject ground improvement; sustainability; fly ash; slag; deep soil mixing; vibro-stone columns
 
Description Urbanization process inevitably leads to lack of suitable construction surfaces for further development activities. Therefore, locations which were in past neglected, due to their inadequate ground characteristics, are nowadays reconsidered for construction purposes. In order to enhance geotechnical characteristics of ground, various ground improvement techniques have been developed. This paper discusses existing technologies which use man-made or natural materials in ground improvement process. One of the biggest issues, regarding technologies which use cement or lime as binder, is in their environmental impact. To produce one ton of improved soil, grouting and admixture techniques require 20 kg of cement or lime which release 18 kg of CO2 into atmosphere. Hence, these technologies are environmentally suboptimal and there is a large potential in developing new methods which tend to reduce environmental footprint. This can be achieved by partially replacing standard binders with fly ash, which is residual waste material. Other possibility of achieving sustainability is replacement of standard gravel or crushed rock aggregate in stone columns technique with industrial slag. Application of waste materials in sustainable ground improvement is a rapidly-developing research area. Besides potential environmental benefits, utilization of waste materials would also solve issue of their disposal, what is significant due to large deposit amounts of fly ash and slag in region.
 
Publisher CETRA 2014
 
Contributor
 
Date 2017-02-28 16:40:16
 
Type Peer-reviewed Paper
 
Identifier http://master.grad.hr/cetra/ocs/index.php/cetra3/cetra2014/paper/view/303
 
Source CETRA 2014; 3rd International Conference on Road and Rail Infrastructure
 
Language en
 
Rights <p>Authors who submit to this conference agree to the following terms:<br /> <strong>a)</strong> Authors retain copyright over their work, while allowing the conference to place this unpublished work under a <a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution License</a>, which allows others to freely access, use, and share the work, with an acknowledgement of the work's authorship and its initial presentation at this conference. <br /> <strong>b)</strong> Submitted full papers will be published in the book of proceedings "Road and Rail Infrastructure II" as well as in digital form (on a CD). Conference organiser is allowed to publish author's names, institution and country as well as the paper abstract on the conference web site.</p>
 

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