Durability Performance of Concrete Debris and Bottom Ash as an Alternative Track Ballast Material
D. Youventharan,P J Ramandhansyah,K M Jeevithan,O. Rokiah,S. Mohd Arif,H Yaacob +5 more
- 01 Feb 2021
- Vol. 682, Iss: 1, pp 012053
5
TL;DR: In this paper, the authors discussed the potential usage of concrete debris collected from destruction site and also the bottom ash waste from coal energy power plant in railway construction and analyzed the engineering properties of bottom ash and concrete debris along with the conventional ballast.
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Abstract: Concrete debris and bottom ash has been identified as the potential materials to be used in construction industry. This would certainly reduce wastage produced from construction and demolition (C&D) activities and bottom ash from the power plant. However, the concrete debris waste and the bottom ash are been neither tested nor proven to be feasible in the construction of railway track. This paper will discuss the potential usage of concrete debris collected from destruction site and also the bottom ash waste from Coal Energy Power Plant. Currently, neither concrete debris nor bottom ash is used in railway construction. The main objective of this study is to analyse the engineering properties of bottom ash and concrete debris along with the conventional ballast to verify whether the traditional material can be replaced or otherwise. Experiments such as the sieve analysis test, Los Angeles abrasion test, aggregate impact value test and the aggregate crushing value test were conducted to measure the properties. The engineering properties tested in this research are the hardness, toughness and resistance towards impact and crushing of ballast. In terms of gradation, particle size distribution curve was plotted and compared in this research. It was found that the mixture of concrete debris and track ballast in the proportion of 50:50 each has brought some improvement to the properties and tend to behave close to the existing track ballast. The mixture of concrete debris and track ballast also shows that its crushing resistance is better than the existing track ballast. In conclusion, both the waste materials used in this research is highly potential to partially complement traditional material of track ballast.
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Citations
Railway ballast material selection and evaluation: A review
TL;DR: In this article , a review of the means of ballast selection in complex environments across the world is presented, and some promising future ballast technologies are discussed with a focus on environmental performance, such as recycled ballast, asphaltic materials, steel slag and ballast gluing.
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Weathering resistance of Linz–Donawitz (LD) slag as ballast material using freeze-thaw and sulfate soundness
H. C. Alves,G. V. C. Gomes +1 more
TL;DR: In this paper , the physical and chemical weathering effects of the industrial byproduct Linz-Donawitz (LD) slag as a ballast material were investigated for different freeze-thaw and 40 sulfate soundness (SS) cycles.
4
Suitability of Conventional Ballast Mixed with Concrete Debris and Bottom Ash Waste
TL;DR: In this paper , the suitability of conventional ballast (CB) incorporated with concrete debris (CD) and bottom ash (BA) as track ballast material was evaluated, and the results showed that CB and BA waste materials have a high potential to exhibit better performance and reduce the dependency on natural aggregate.
Influences of Waste Inclusion on Impact and Crushing Force Resistance of Track Ballast
TL;DR: In this paper , the authors investigated the impact and impact resistance of waste incorporated conventional ballast (CB) under impact and crushing force using impact hammer and crushing machine, and the results showed that the resistance against crushing and impact force is better when the composition is in the ratio of 1:1 of CB and concrete debris (CD), under crushing load, mixture with 50% of CD with 4% deviation compared to using 100% of CB.
Global trends in the use of waste materials as railway ballast: a review of technical standards and applications
Laura Soranço,Geraldo Luciano Marques,Julia Mendes +2 more
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TL;DR: In this article, the potentials of incorporating the circular economy (CE) concept as an approach to minimizing C&D wastes, by developing a CE-based theoretical framework for construction and demolition waste management in Malaysia, have been assessed.
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Geotechnical properties of ballast and the role of geosynthetics in rail track stabilisation
Buddhima Indraratna,Hadi Khabbaz,Wadud Salim,David Christie +3 more
- 01 Jul 2006
TL;DR: In this article, the deformation and degradation behavior of ballast under static and dynamic loads was studied based on large-scale triaxial testing, and the possible use of different types of geosynthetics to improve the performance of fresh and recycled ballast was also investigated.
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Strategies for minimizing construction and demolition wastes in Malaysia
TL;DR: A causal-loop diagram (CLD) for managing C&D waste was developed according to the findings in this paper, where the authors put an effort to prioritize the importance of managing construction and demolition (CD awareness and awards and regulations enhancement during procurement phase; and effective management during the stages of construction and deconstruction).
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