Construction demolition wastes, Waelz slag and MSWI bottom ash: A comparative technical analysis as material for road construction

I. Vegas; J. A. Ibañez; J. T. San José; A. Urzelai

doi:10.1016/j.wasman.2007.01.016

Construction demolition wastes, Waelz slag and MSWI bottom ash: A comparative technical analysis as material for road construction

I. Vegas, J. A. Ibañez, J. T. San José, A. Urzelai

Research output: Contribution to journal › Article › peer-review

136 Citations (Scopus)

Abstract

The objective of the study is to analyze the technical suitability of using secondary materials from three waste flows (construction and demolition waste (CDW), Waelz slag and municipal solid waste incineration (MSWI) bottom ash), under the regulations and standards governing the use of materials for road construction. A detailed technical characterization of the materials was carried out according to Spanish General Technical Specifications for Road Construction (PG3). The results show that Waelz slag can be adequate for using in granular structural layers, while CDW fits better as granular material in roadbeds. Likewise, fresh MSWI bottom ash can be used as roadbed material as long as it does not contain a high concentration of soluble salts. This paper also discusses the adequacy of using certain traditional test methods for natural soils when characterizing secondary materials for use as aggregates in road construction.

Original language	English
Pages (from-to)	565-574
Number of pages	10
Journal	Waste Management
Volume	28
Issue number	3
DOIs	https://doi.org/10.1016/j.wasman.2007.01.016
Publication status	Published - 2008

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abstract = "The objective of the study is to analyze the technical suitability of using secondary materials from three waste flows (construction and demolition waste (CDW), Waelz slag and municipal solid waste incineration (MSWI) bottom ash), under the regulations and standards governing the use of materials for road construction. A detailed technical characterization of the materials was carried out according to Spanish General Technical Specifications for Road Construction (PG3). The results show that Waelz slag can be adequate for using in granular structural layers, while CDW fits better as granular material in roadbeds. Likewise, fresh MSWI bottom ash can be used as roadbed material as long as it does not contain a high concentration of soluble salts. This paper also discusses the adequacy of using certain traditional test methods for natural soils when characterizing secondary materials for use as aggregates in road construction.",

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T2 - A comparative technical analysis as material for road construction

AU - Vegas, I.

AU - Ibañez, J. A.

AU - San José, J. T.

AU - Urzelai, A.

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AB - The objective of the study is to analyze the technical suitability of using secondary materials from three waste flows (construction and demolition waste (CDW), Waelz slag and municipal solid waste incineration (MSWI) bottom ash), under the regulations and standards governing the use of materials for road construction. A detailed technical characterization of the materials was carried out according to Spanish General Technical Specifications for Road Construction (PG3). The results show that Waelz slag can be adequate for using in granular structural layers, while CDW fits better as granular material in roadbeds. Likewise, fresh MSWI bottom ash can be used as roadbed material as long as it does not contain a high concentration of soluble salts. This paper also discusses the adequacy of using certain traditional test methods for natural soils when characterizing secondary materials for use as aggregates in road construction.

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Construction demolition wastes, Waelz slag and MSWI bottom ash: A comparative technical analysis as material for road construction

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