scholarly journals Sustainable Management of Construction and Demolition Waste

Author(s):  
Kaushik Bokarde

Abstract: Construction activity in India has magnified well within the past decade. Likewise, there has conjointly been a proportion to rise within the generation of construction and demolition waste (C&DW). This, alongside the fact that in India the speed of recycling and reuse of C&DW continues to be quite low and has engendered a heavy environmental downside and a motivation to develop ways and management plans to resolve it. Almost every time the construction and demolition waste end up settling in landfills disrupting the environmental, economic, and social life cycle. Its composition has a significant potential to reuse or recycle C&DW, and thereby, contribute to enhancing the sustainability of construction, however, practical procedures don’t seem to be widely known or practiced within the construction industry. Elements of construction and demolition waste generally embrace concrete, asphalt, wood, metals, roofing, paper, plastic, drywall, and glass. Sustainable development defines as accomplishing the current requirements without compromising the ability of future generations to satisfy their own needs and can be thought of as one of the concrete solutions to resolve construction and demolition waste downside. Sustainable development in construction can facilitate plenty to cut back the issues associated with the environment and natural resources as the construction industry is among the major user of the world’s resources. Sustainable design, correct use, and reuse of the resources/construction materials can create the construction industry a lot more economical and greener. There’s conjointly a large demand for natural aggregates within the construction sector with a big gap in its demand and supply, which may even be reduced marginally by the employment of recycling and reuse of construction and demolition waste. Correct handling, storage, and treatment of C&D waste not only solely forestall degradation of Mother Earth but even have an important impact on sustainability using reducing the usage of natural resources. The paper covers various issues associated with the reusing and recycling of C&D waste, which needs restrictive mechanisms and procedures to be followed for achieving the aim of sustainability in the construction industry.

Author(s):  
Yogesh Kumar Raj ◽  
Ar. S Choudhary

The construction industry in Indian cities has grown rapidly in recent decades due to population growth, industrialization and the introduction of new infrastructure projects, which has led to a tremendous growth in the construction industry.A key demand as a result of the growth of the Indian construction sector is expected to be the supply gap in terms of construction materials such as sand, limestone, and aggregate. The Supreme Court has had a major impact on the construction industry due to the ban on river sand and stone mining. It is designed to find an alternative source of natural raw materials.An alternative source in the field of aggregate construction recycled by C&D Waste could replace a significant amount of natural aggregates that run abroad in countries such as the United States, France, Denmark, Germany and Japan. Has been While various methods of waste have been suggested in the literature, the quantification of waste produced in India is insufficient.This inadequacy is due to lack of proper classification control procedures, lack of joint C&D waste estimation procedures, and knowledge of C&D waste processing among generators, collectors, operators, regulators, and the general public. The C&D Waste Management Rules 2016 to address the responsibilities of all stakeholders for the systematic collection, storage, transport, treatment / processing, and disposal of C&D bins in India was introduced. This comprehensive study seeks to analyze current legislation and challenges, and proposes an informational framework for systematic collection, storage, treatment / processing, and C&D waste disposal.This article examines the current methods of C&D waste in India. It also studies the institutional, regulatory and legislative framework in India in the field of construction and demolition waste management.


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Maryam Eghbali-Zarch ◽  
Reza Tavakkoli-Moghaddam ◽  
Kazem Dehghan-Sanej ◽  
Amin Kaboli

PurposeThe construction industry is a key driver of economic growth. However, the adverse impacts of construction and demolition waste (CDW) resulted from the active construction projects on the economy, environment, public health and social life necessitates an appropriate control and management of this waste stream. Developing and promoting the construction and demolition waste management (CDWM) hierarchy program at the strategic level is essential.Design/methodology/approachThis study aims to propose a hybrid decision model that hybridizes the Integrated Determination of Objective Criteria Weights (IDOCRIW) and weighted aggregated sum product assessment (WASPAS) under a fuzzy environment.FindingsThe proposed method ranks the potential strategic alternatives by the sustainable development criteria to improve the performance of CDWM. As indicated in the results, the fuzzy approach in the decision-making process enables the transformation of linguistic variables into fuzzy numbers that show uncertainty and ambiguity in real-world systems. Moreover, the close correlation between the final ranking of the proposed methodology and the average priority order of the strategic alternatives obtained by five different multi-criteria decision-making (MCDM) methods implies the validity of the model performance.Practical implicationsThis proposed model is an appropriate tool to effectively decide on the development of CDWM from a strategic point of view. It aims to establish an MCDM framework for the evaluation of effective strategies for CDWM according to the indices of sustainable development. Implementing proper operational plans and conducting research in CDWM has the highest priority, and enacting new and more stringent laws, rules and regulations against the production of CDW has secondary priority. This study contributes to the field by optimizing the CDWM by applying the top-priority strategies resulted from the proposed fuzzy hybrid MCDM methodology by the decision-makers or policy-makers to reach the best managerial strategic plan.Originality/valueIn the proposed methodology, the IDOCRIW technique is utilized and updated with the triangular fuzzy numbers for the first time in the literature to derive the weights of sustainable development criteria. The fuzzy WASPAS method is utilized for evaluation and providing a final ranking of the strategic alternatives.


Materials ◽  
2021 ◽  
Vol 14 (7) ◽  
pp. 1700
Author(s):  
Glaydson Simões dos Reis ◽  
Marco Quattrone ◽  
Weslei Monteiro Ambrós ◽  
Bogdan Grigore Cazacliu ◽  
Carlos Hoffmann Sampaio

A literature review comprising 163 publications published over a period of 26 years from 1992 to 2018 is presented in this paper. This review discusses the generation and recycling of construction and demolition waste (CDW) as well as its main uses as raw materials for the construction engineering sector. This review pays attention to the use of CDW aggregates for sand, pavements/roads, bricks, ceramics, cementitious materials, and concrete productions, as well its uses as eco-friendly materials for water decontamination. The physical-chemical and mechanical characteristics of recycled aggregates play an important role in their correctly chosen applications. The results found in this literature survey allow us to conclude that recycled aggregates from CDW can be successfully used to produce construction materials with quality comparable to those produced with natural aggregates. We concluded that the use of CDWs as raw materials for manufacturing new construction materials is technically feasible, economical, and constitutes an environmentally friendly approach for a future construction and demolition waste management strategy.


Author(s):  
B. Srinivasulu ◽  
K. Mohammed Rasheed

Concrete is the most widely used as construction materials in the world. In fact, concrete is used in virtually everything and there are still no substitutes are available for many of its application. Without concrete, the community and society today could not exist. Therefore, lots of researchers and engineers are doing the research of the aggregate sources. All these research as alternative sources for the replacement of the natural aggregates in producing concrete in the various future construction works. In that concept we had made the research on the fine aggregate replacement in concrete with the construction and demolition waste. The project explains about the properties of materials used in concrete, mechanical and transport properties of the concrete.


2018 ◽  
Vol 8 (1) ◽  
pp. 8
Author(s):  
Nadia Qamar ◽  
Ayesha Alam Khurram

In Pakistan, construction and demolition waste(CDW) is generated in voluminous amount each year. CDW iswidely ill-handled and ultimately fed to landfills causing harm tothe already alarming environmental conditions. In order tosearch for the solution of this drastic matter, a study was done,which is explained in this paper. This paper presents the studydone at a demolition site near Karachi, in Sindh while thedemolition works were being carried out. At the site there wereold barracks which were being demolished. Before the demolitionworks were commenced, the site was surveyed and structuralcomponents of the barracks were counted and their dimensionswere measured. When the demolition was over, the demolishedwaste was calculated which comprised of concrete and masonryrubble, steel round bars, steel doors, steel windows, steel ceiling,steel girders, steel main gate, and plastic water tank. This studyinterpreted that construction and demolition (C&D) works wereprogressing considering the works’ deadline and the clients’requirements but the ecosystem’s ecology and the environmentalhealth were not taken into account. Recommendations are madeto handle CDW properly throughout its lifecycle. Theserecommendations aim to provide technological and logicalsolutions to grip CDW. The recommendations include wastereduction and reusing waste, life cycle assessment and costing,environmental and economic impact, material flow analysis, andadvanced computerized-tools.


2019 ◽  
Vol 8 (2S11) ◽  
pp. 2642-2644

The rules and regulations on waste management in the construction and demolition sector are analyzed corresponding to the present scenario of C&DW in India. C&D waste from construction sites has emerged as a significant threat to India because of its severe footprint on the environment. Vast quantities of construction waste will have unfavorable consequences on the surroundings if they are not properly managed. Therefore it is necessary to manage the development of C&DW by the experts within the construction industry. The approach represented is specialized in rules and regulations on waste management so that the environmental impact of construction activities can be minimized.


Author(s):  
Cinthia Maia Pederneiras ◽  
Maria Del Pilar Durante ◽  
Ênio Fernandes Amorim ◽  
Ruan Landolfo da Silva Ferreira

ABSTRACT: The consumption of natural resources and energy increased proportionally with the growth of the world population and its economic level. There was an increasing exponential consumption of natural resources, which implied an increase in environmental impacts. The construction sector is responsible for a very significant production of construction and demolition waste (CDW). Thus, there is a concern in search of a more sustainable final disposal. Many studies have been investigated the development of new materials with the incorporation of recycled aggregates from CDW. This paper presents a study of performance evaluation of concrete blocks produced with CDW. For that purpose, an experimental campaign was performed, including a characterization of the aggregates used. The incorporation of 100% of fine and coarse recycled aggregates. The mixtures were designed according to the condition of the aggregate (dry, washed or saturated). The performance of these blocks was evaluated in terms of mechanical strength and water absorption. Some additional tests were also performed to deeper analyze of the microstructure of these blocks. To assess the durability of the concrete blocks, a full-scale road was built. The results were very positive, since there were no significant differences between the modified concrete blocks and the reference sample (0% of the CDW). The modified block with fine aggregate presented the best performance of all the blocks, concerning mechanical strength. In addition, the performance of concrete blocks with washed recycled aggregates had a better performance compared to the others. The results obtained were satisfactory for the application of the blocks in the streets with low movement and low load.


2012 ◽  
Vol 2 (2) ◽  
pp. 57-71
Author(s):  
P. Garcés Terradillos ◽  
Emilio Zornoza ◽  
F. Baeza Brotons ◽  
O. Galao ◽  
J. Payá

RESUMENEn este artículo se presentan resultados obtenidos en distintas propiedades relacionadas con la durabilidad y características resistentes de morteros de cemento parcialmente sustituidos con diferentes residuos agrícola e industriales que presentan actividad puzolánica: ceniza de lodo de depuradora (CLD), ceniza volante (CV), residuo de catalizador de craqueo catalítico (FCC), ceniza de cascara de arroz (CCA), reforzados con acero. Los resultados presentados demuestran que es posible un desarrollo sostenible de la industria de la construcción. Esto puede conseguirse mediante la reducción del contenido de clinker en los cementos y reutilizando subproductos industriales y agrícolas con un adecuado nivel de durabilidad de los materiales de construcción elaborados a partir de ellos.Palabras claves: durabilidad; sostenibilidad; subproductos industriales; subproductos agrícolasABSTRACTThis paper presents the results obtained in the evaluation of a series of properties related to durability and strength of steel reinforced cement mortars partially substituted with different agricultural and industrial residues presenting pozzolanic activity: sewage sludge ash (SSA), fly ash (FA), spent catalytic cracking catalyst (FCC) and rice husk ash (RHA). These results show that it is possible to achieve a sustainable development in the construction industry. This can be obtained by reducing the clinker content in cement and reusing industrial and agricultural byproducts with an appropriate level of durability of the construction materials fabricated from them.Key words: durability; sustainability; industrial byproduct; agricultural byproduct


2018 ◽  
Vol 193 ◽  
pp. 05048 ◽  
Author(s):  
Kymbat Kunanbayeva ◽  
Alexander Gorovoy ◽  
Andrey Butyrin

The matters of the mechanism of management of development of the city-forming organizations of the construction industry, forms of interference of development of the city-forming organizations and mono-profile municipal unit are defined in the article. The main methodical approaches to the assessment of effectiveness of realization of the mechanism of management of development of the city-forming organizations of construction industry are proved. Assessment of effectiveness of realization of the mechanism of management of development of the city-forming organizations to the sphere of production of construction materials are considered according to the ecological-and-economic aspects of sustainable development, including economic efficiency, social efficiency, environmental efficiency.


Polymers ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 69 ◽  
Author(s):  
Ville Lahtela ◽  
Marko Hyvärinen ◽  
Timo Kärki

Reuse of materials is a significant global goal that contributes to sustainable development. Polymer-specific plastic identification from the waste stream is examined in this study to achieve environmentally optimistic reuse of plastic material in secondary applications. Two diverse waste streams, 86.11 kg of construction and demolition waste (CDW) plastic and 57.74 kg of mechanically sorted plastic, were analyzed by using a handheld tool whose identification technology was based on the near-infrared spectrum. The study indicates a significant effect of human and single fraction on manual separation. The polymer composition in the plastic waste stream varied depending on the source, but the most common plastic grades, polypropylene (PP) and polyethylene (PE), were represented in every waste stream. The waste stream also included unidentified and unfavorable wastes, which indicates that identification of the plastic fractions is needed and more studies should be done in this field in the future.


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