Sustainable Construction Waste Management in Australia: A Motivation Perspective

Li, Rita Yi Man; Du, Huibin

doi:10.1007/978-3-319-12430-8_1

Cited by 23 publications

(13 citation statements)

References 26 publications

(29 reference statements)

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“…Chemical recycling is considered complementary to mechanical recycling because it can convert mixed or unsorted PVC waste into valuable materials. In Australia, the Vinyl Council has extensively recycled PVC and produced many new products from PVC medical waste . A novel low-temperature aqueous ammonia process was developed for the sustainable management of DEHP-rich PVC wastes .…”

Section: Classification Properties and Recycling Of Medical Plasticsmentioning

confidence: 99%

Sustainable Alternatives to Nondegradable Medical Plastics

Jiang,

Satoh,

Tung

et al. 2022

ACS Sustainable Chem. Eng.

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In light of the global climate crisis and commitments toward net-zero carbon emissions, this Perspective evaluates the current status of developments in recycling methods and bioplastics to identify long-term sustainable alternatives. The recycling and product application of major medical plastics, including poly(vinyl chloride) (PVC), polyethylene (PE), polypropylene (PP), and polystyrene (PS), are discussed, and their circular potential is evaluated. Researchers are actively investigating bioplastics to solve present concerns and curb the global increase in greenhouse gas (GHG) emissions from petroleum-based plastics. Current recycling methods for PE and PP can be scaled up, and bioversions of plastics, such as bio-PE and bio-PP, can be used as a long-term sustainable solutions to realize their circular potential. As an alternative to PVC and PS, materials with inefficient recycling methods, recent promising bioplastics such as polyurethane (PU) and poly(lactic acid) (PLA) have a competitive performance. Our Perspective recognizes the need for further research on issues such as integrated recycling processes and the possibility of commercializing bioplastics.

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Section: Classification Properties and Recycling Of Medical Plasticsmentioning

confidence: 99%

Sustainable Alternatives to Nondegradable Medical Plastics

Jiang,

Satoh,

Tung

et al. 2022

ACS Sustainable Chem. Eng.

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“…The systematization of considered research on C&DW flow management shows its relevance due to the need for waste management, resource saving in the construction industry, its use as secondary raw materials, as well as environmental protection. However, most scientific studies [5][6][7][8][9] are aimed only at adjusting the policy of resource saving of construction companies while the issues of sustainable development of the industry through the re-inclusion in the economic cycle of C&DW are quite fragmented. Thus, paper [10] tackles the effective management of C&DW as a condition for minimizing the harmful effects on the environment, as well as factors that hinder its implementation [11].…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Ensuring the economic and environmental efficiency in managing the flows of construction and demolition waste by using tools of economic and mathematical modeling

Shuvaiev

Arutiunian

Anin

et al. 2022

EEJET

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This paper argues that in the context of transformation from the linear to circular model of the economy, the issues of managing the flow of construction and demolition waste (C&DW) are becoming increasingly relevant, which is primarily due to the increase in prices for building materials, as well as resource saving and interest of stakeholders in the creation of eco-cities. The tools and methods to manage C&DW flows have been examined in the context of simultaneous ensuring the environmental and economic efficiency of the process. It is substantiated that the expediency of implementing the C&DW flow management process exists only within the framework of the system of integrated management of waste flows from construction and demolition of real estate in compliance with logistical principles and coverage of the interests of all stakeholders of the process. Tools, methods to forecast and plan C&DW volumes within IFMS have been proposed, which contributed to the construction of a model for forecasting the volume of C&DW formation and, therefore, determining the amount of total costs for the creation of appropriate technological capacities; the development of a model for assessing information risks in the process of logistics management of C&DW flows (based on solving the transport problem according to Kolmogorov's differentiated equations) and constructing an algorithm for its application, the introduction of which in practice will ensure the balancing of the interests of each stakeholder interested in the processing of C&DW; solving the problem of synthesis of reducing the cost of managing C&DW flows and reducing environmental pressure. In order to combine the goals of minimizing costs and minimizing environmental damage within the framework of SIWFM, a two-purpose dynamic optimization model is proposed, as well as restrictions on the possibility of its introduction and validation of this study's results. It is substantiated that the tools and methods of economic and mathematical modeling proposed in the current study could solve an important scientific and practical task to effectively manage C&DW flows

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“…More broadly, modular prefabricated timber construction is of increasing interest internationally for essentially the same reasons [10][11][12]. However, knowledge of the structural mechanics of timber structures and digitally-fabricated structures is still sparse compared to traditional structural materials and systems.…”

Section: Modular Timber Constructionmentioning

confidence: 99%

Digital fabrication strategies for timber thin-walled sections

Alqaryouti¹,

Gattas²,

Shi³

et al. 2016

WIT Transactions on the Built Environment

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A rise in digital fabrication technologies has led to numerous recent advances in the design and manufacture of woodworking joints. Computational generative processes can be used to create a part with integral mechanical attachments for friction-fit, adhesion-less connections between parts. These processes can additionally create machine code for production of such parts on computernumerically controlled (CNC) cutters. This paper investigates such computational processes for digital design and manufacture of timber thin-walled structural sections. Assembly procedures are first presented for rectangular hollow sections and I-sections, with a series of timber prototypes produced to demonstrate their CNC production. An experimental analysis on square hollow sections under uniaxial compressive loading is then conducted. Tight fit digitally-fabricated sections are seen to possess a structural capacity approaching that of the glued sections. Prototypes with different assembly tolerances and grain directions produce a range of novel failure modes and give insight into potential failure paths of digitally-fabricated timber sections.

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Sustainable Construction Waste Management in Australia: A Motivation Perspective

Cited by 23 publications

References 26 publications

Sustainable Alternatives to Nondegradable Medical Plastics

Sustainable Alternatives to Nondegradable Medical Plastics

Ensuring the economic and environmental efficiency in managing the flows of construction and demolition waste by using tools of economic and mathematical modeling

Digital fabrication strategies for timber thin-walled sections

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