CIRCULAR ECONOMY MODEL OF RECYCLED AGGREGATES FOR THE CONSTRUCTION SECTOR OF SARDINIA ISLAND

2020 ◽  
Vol 19 (10) ◽  
pp. 1847-1855
Author(s):  
Luisa Pani ◽  
James Rombi ◽  
Lorena Francesconi ◽  
Anania Mereu
Keyword(s):  
Circular Economy ◽  
Recycled Aggregates ◽  
Construction Sector ◽  
Economy Model

IMPLEMENTATION OF THE ECONOMIC CONCEPT OF A CLOSED CYCLE

2020 ◽  
Vol 2 (10) ◽  
pp. 4-10
Author(s):  
A. V. SAMOYLOV ◽  
◽  
A. P. DROZDOVA ◽  
S. M. MOLCHANOVA ◽  
◽  
...  
Keyword(s):  
Circular Economy ◽  
Renewable Energy Sources ◽  
Policy Instruments ◽  
Resource Consumption ◽  
Closed Cycle ◽  
Economy Model ◽  
Existing Problems ◽  
Economic Concept ◽  
Foreign Countries ◽  
Improved Design

The article discusses the basic principles of the implementation of the transition from a linear economy to a circular economy model. The article summarizes the existing problems that require solutions to create new jobs, increase economic growth, and create a balance between the economy, environment and population. The authors present examples of building a circular economy model in foreign countries. The importance of the tasks of implementing and promoting the circular economy was revealed, thanks to the involvement of all participants in the society in this process and the motivation for companies and investors. Effective tools for moving society towards a resource-efficient closed-cycle economy, increasing energy efficiency, energy conservation and reducing the energy intensity of the gross domestic product, due to the entry into a competitive level of renewable energy sources are investigated. The introduction of digital technologies and artificial intelligence in automated accounting of resource consumption, as well as the improvement of accounting rules will create opportunities for the end user to manage resource consumption taking into account the principles of a circular economy. The authors' study emphasizes that circular economy products and services should minimize resource use and promote reuse, recovery and recycling of materials in the future, leveraging existing product policy instruments, further support for the repair sector, improved design for reuse, and high-quality packaging recycling. The authors in the article propose to legislate the subsidizing of enterprises participating in the circular chain and subsidizing innovative developments in the field of the circular economy in the Russian Federation.

scholarly journals Strategies for a Circular Economy in the Construction and Demolition Sector: Identifying the Factors Affecting the Recommendation of Recycled Concrete

2021 ◽  
Vol 13 (8) ◽  
pp. 4113
Author(s):  
Valeria Superti ◽  
Cynthia Houmani ◽  
Ralph Hansmann ◽  
Ivo Baur ◽  
Claudia R. Binder
Keyword(s):  
Circular Economy ◽  
A Priori ◽  
Recycled Concrete ◽  
Recycled Aggregates ◽  
Factors Affecting ◽  
Structural Applications ◽  
Adoption Of Innovation ◽  
Decision Making Processes ◽  
Behavioural Factors ◽  
High Level

With increasing urbanisation, new approaches such as the Circular Economy (CE) are needed to reduce resource consumption. In Switzerland, Construction & Demolition (C&D) waste accounts for the largest portion of waste (84%). Beyond limiting the depletion of primary resources, implementing recycling strategies for C&D waste (such as using recycled aggregates to produce recycled concrete (RC)), can also decrease the amount of landfilled C&D waste. The use of RC still faces adoption barriers. In this research, we examined the factors driving the adoption of recycled products for a CE in the C&D sector by focusing on RC for structural applications. We developed a behavioural framework to understand the determinants of architects’ decisions to recommend RC. We collected and analysed survey data from 727 respondents. The analyses focused on architects’ a priori beliefs about RC, behavioural factors affecting their recommendations of RC, and project-specific contextual factors that might play a role in the recommendation of RC. Our results show that the factors that mainly facilitate the recommendation of RC by architects are: a senior position, a high level of RC knowledge and of the Minergie label, beliefs about the reduced environmental impact of RC, as well as favourable prescriptive social norms expressed by clients and other architects. We emphasise the importance of a holistic theoretical framework in approaching decision-making processes related to the adoption of innovation, and the importance of the agency of each involved actor for a transition towards a circular construction sector.

scholarly journals Circular economy in the construction sector: advancing environmental performance through systemic and holistic thinking

2021 ◽  
Author(s):  
Magnus Sparrevik ◽  
Luitzen de Boer ◽  
Ottar Michelsen ◽  
Christofer Skaar ◽  
Haley Knudson ◽  
...  
Keyword(s):  
Life Cycle ◽  
Circular Economy ◽  
Building Materials ◽  
Construction Sector ◽  
Recursive Structure ◽  
Effective Implementation ◽  
Environmental Effectiveness ◽  
Standards And Regulations ◽  
Management Schemes ◽  
Different Levels

AbstractThe construction sector is progressively becoming more circular by reducing waste, re-using building materials and adopting regenerative solutions for energy production and biodiversity protection. The implications of circularity on construction activities are complex and require the careful evaluation of impacts to select the appropriate path forward. Evaluations of circular solutions and their environmental effectiveness are often performed based on various types of life cycle-based impact assessments. This paper uses systemic thinking to map and evaluate different impact assessment methodologies and their implications for a shift to more circular solutions. The following systemic levels are used to group the methodologies: product (material life cycle declarations and building assessments), organisation (certification and management schemes) and system (policies, standards and regulations). The results confirm that circular economy is integrated at all levels. However, development and structure are not coordinated or governed unidirectionally, but rather occur simultaneously at different levels. This recursive structure is positive if the methods are applied in the correct context, thus providing both autonomy and cohesion in decision making. Methods at lower systemic levels may then improve production processes and stimulate the market to create circular and innovative building solutions, whereas methods at higher systemic levels can be used, for example, by real estate builders, trade organisations and governments to create incentives for circular development and innovation in a broader perspective. Use of the performance methods correctly within an actor network is therefore crucial for successful and effective implementation of circular economy in the construction sector.

scholarly journals Success Drivers for Implementing Circular Economy: A Case Study from the Building Sector in Colombia

2021 ◽  
Vol 13 (3) ◽  
pp. 1350
Author(s):  
Luz Elba Torres-Guevara ◽  
Vanessa Prieto-Sandoval ◽  
Andres Mejia-Villa
Keyword(s):  
Circular Economy ◽  
Small And Medium Enterprises ◽  
Implementation Process ◽  
Construction Sector ◽  
Direct Communication ◽  
Management Commitment ◽  
Medium Enterprises ◽  
Large Building ◽  
Do So

This paper contributes to the circular economy (CE) literature by investigating the drivers of success of the CE implementation in the construction sector and how those drivers can complement any implementation process in small and medium enterprises (SMEs). To do so, we analyzed the case of TECMO Estructuras Metálicas, using the methodology proposed by Jaca and colleagues to implement the CE in SMEs. It is a Colombian company with more than five decades of experience in the manufacture and installation of steel and aluminum structures for small and large building and infrastructure projects. The data were collected between August 2019 and November 2020 through direct communication with the company via workshops, meetings, and company reports. This research found that five drivers are relevant for implementing CE in the construction sector: fertile ecosystem, management commitment, identification of valuable materials, green teams, and CE intermediaries. Moreover, this study also contributes to teaching the implementation of the CE in companies, since it shows that through the methodology presented, implementation projects can be developed in postgraduate classes.

scholarly journals DigiPrime: Digital Platform for Circular Economy in Cross-Sectorial Sustainable Value Networks

Proceedings ◽  
2020 ◽  
Vol 65 (1) ◽  
pp. 1
Author(s):  
Elena Mossali ◽  
Marco Diani ◽  
Marcello Colledani
Keyword(s):  
Circular Economy ◽  
Business Models ◽  
Value Added ◽  
Environmental Crisis ◽  
Value Chains ◽  
Economic Opportunity ◽  
Construction Sector ◽  
Digital Platform ◽  
Sustainable Value ◽  
Value Added Products

Circular Economy is the solution for the current environmental crisis, representing a huge economic opportunity to build new sustainable businesses. However, many barriers need to be faced for its implementation at industrial scale—firstly, the lack of data sharing between the different stakeholders of product value-chains. The DigiPrime project is an EU-funded Innovation Action aimed at developing and demonstrating a digital platform with services able to unlock innovative cross-sectorial business models for the remanufacturing and recycling of target value-added products. In this paper, the concept behind the DigiPrime project is reported, with a particular focus on the construction sector.

Circular economy and its disclosure in the basic concepts of improving production processes in construction

2021 ◽  
Vol 7 (3D) ◽  
pp. 629-635
Author(s):  
Maria Aleksandrovna Kalmykova ◽  
Elena Mikhailovna Kiseleva ◽  
Vadim Anatolevich Mironchuk ◽  
Ilya Valerievich Sorgutov ◽  
Sergey Barinov ◽  
...  
Keyword(s):  
Waste Management ◽  
Circular Economy ◽  
Holistic Approach ◽  
Resource Scarcity ◽  
Construction Sector ◽  
Sustainable Society ◽  
Production Processes ◽  
Global Problems ◽  
Basic Concepts

The article discusses the features of the circular economy and its disclosure in the basic concepts of improving production processes in construction. The concept of a circular economy (CE) has recently become widespread as a perspective for solving global problems such as resource scarcity and waste management. The CE concept in the construction sector is rapidly gaining momentum and is used by many participants to coordinate their plans to build a more sustainable society. However, what exactly CE entails, remains unclear, and the actors involved in the transition to the CE set different priorities depending on their capabilities and goals. The transition to CE requires a more holistic approach and concerted efforts of all parties in the construction business.

The Traceability of Construction and Demolition Waste in Flanders via Blockchain Technology: A Match Made in Heaven?

2021 ◽  
Vol 18 (4) ◽  
pp. 347-369
Author(s):  
Jonas Voorter ◽  
Christof Koolen
Keyword(s):  
Circular Economy ◽  
Construction And Demolition Waste ◽  
Waste Processing ◽  
Construction Sector ◽  
Sustainable Society ◽  
Demolition Waste ◽  
Blockchain Technology ◽  
Legal Case ◽  
Made In

Abstract The construction sector plays a crucial role in the transition to a circular economy and a more sustainable society. With this objective in mind, Flanders – the Dutch speaking part of Belgium – makes use of a traceability procedure for construction and demolition waste in order to guarantee that value can be derived from downstream waste processing activities. This article takes this traceability procedure as a legal case study and examines if the use of blockchain technology could lead to even stronger supply chains, better data management, and, more generally, a smoother transition to circular practices in the construction sector.

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