Washed recycled sand derived from construction and demolition wastes as engineering fill materials

Xue, Yunxin; Arulrajah, Arul; Narsilio, Guillermo A.; Horpibulsuk, Suksun; Chu, Junhao

doi:10.1016/j.conbuildmat.2022.129433

Cited by 20 publications

(2 citation statements)

References 38 publications

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“…4. Washed recycled sand derived from construction and demolition wastes as engineering fill materials [35]. 5.…”

Section: Enterprisementioning

confidence: 99%

Construction industries waste circulation problems in Latvia

Gusta,

Pavars,

Grabens

2023

22nd International Scientific Conference Engineering for Rural Development Proceedings

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Construction is crucial for the development of a country, it affects both individuals and the whole society’s life, as well as the environment. As construction is so crucial, it must be done as environmentally friendly as possible. During construction processes, a large amount of waste is produced. Incorrect management of this waste degrades our environment. Disposal of construction waste is a very popular way, but it is not a very environmentally friendly way of managing this waste. Interviews and surveys have been conducted in the study to investigate the opinion of construction participants about construction waste in Latvia. The research uses the theoretical research method, survey, interviewing, and data processing methods. Construction waste can be recycled. In construction in Latvia, legal requirements are observed, and construction waste is mostly handed over to processing companies, where a part is sorted. The processing and reuse of construction waste are relatively small. The construction waste sector in Latvia is regulated, but not sufficiently monitored, allowing a grey area to form. Sorting of construction waste at construction sites in Latvia practically does not take place, part of the waste is sorted in landfills. There is not enough research on the possibilities of recycling construction waste. Construction participants are not interested in starting construction waste sorting and recycling with their own initiative. In the procurement of municipalities and state institutions, construction waste sorting should be included as a mandatory requirement.

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“…4. Washed recycled sand derived from construction and demolition wastes as engineering fill materials [35]. 5.…”

Section: Enterprisementioning

confidence: 99%

Construction industries waste circulation problems in Latvia

Gusta,

Pavars,

Grabens

2023

22nd International Scientific Conference Engineering for Rural Development Proceedings

View full text Add to dashboard Cite

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“…Construction projects generate significant quantities of solid waste [1][2][3][4], which presents many difficulties for sustainable development and circular economy [2]. New construction projects have promoted economic growth in developing countries [5], but simultaneously generated new waste management challenges to overcome [6,7].…”

Section: Introductionmentioning

confidence: 99%

Characterizing Harbor Dredged Sediment for Sustainable Reuse as Construction Material

et al. 2023

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An unprecedented rate of construction has profoundly increased the risk of scarcity of natural resources and threatened ecosystem sustainability. To establish an effective sustainable development policy, it is imperative to promote the use of responsible production channels, including waste recycling. Reuse of harbor dredged sediment is commonly investigated as a valuable alternative to non-renewable natural resources needed for construction. Sediment characterization is decisive in the valorization process, aiming to identify potential recycling paths. Existing research efforts, however, have rarely investigated case studies in developing countries. Moreover, they have tended to focus on the technical aspects, ignoring economic feasibility, which carries important implications. This paper fills this gap first by meticulously selecting laboratory tests for characterization within the means available in developing countries and second by conducting a cost-benefit analysis. The port of Safi, Morocco, was chosen for the implementation of the adopted approach. Results showed that dredged sediment is a sand readily reusable as a construction aggregate. Several applications are possible, the most interesting one being concrete works, as a substitute for conventional sand. While treatment by washing and dehydrating proved necessary, cost-benefit analysis confirmed the profitability of recycling. Hence, beneficial reuse of dredged sediment as construction material is technically and economically feasible.

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Strength and Micro-structural Investigation on Geopolymer Concrete Developing with Reuse of Demolition Waste

Madhumithra,

Kanchidurai

2024

Advances in Science, Technology &Amp; Innovation

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Washed recycled sand derived from construction and demolition wastes as engineering fill materials

Cited by 20 publications

References 38 publications

Construction industries waste circulation problems in Latvia

Construction industries waste circulation problems in Latvia

Characterizing Harbor Dredged Sediment for Sustainable Reuse as Construction Material

Strength and Micro-structural Investigation on Geopolymer Concrete Developing with Reuse of Demolition Waste

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