scholarly journals An Informatization Scheme for Construction and Demolition Waste Supervision and Management in China

2020 ◽  
Vol 12 (4) ◽  
pp. 1672
Author(s):  
Zhijia You ◽  
Chen Wu ◽  
Lianqiong Zheng ◽  
Lingjun Feng
Keyword(s):  
Decision Making ◽  
Waste Disposal ◽  
Construction And Demolition Waste ◽  
Collaborative Management ◽  
Accurate Data ◽  
Demolition Waste ◽  
Supervision System ◽  
Construction Waste ◽  
Supervision And Management

China is in a development period of urbanization construction, while its environment is threatened by an increasing amount of construction and demolition (C&D) waste. Due to the excessive pursuit of profits and a general lack of environmental awareness of stakeholders, illegal behaviors such as illegal dumping universally exist in the waste disposal process. Meanwhile, supervision departments face many challenges in collaborative management and decision-making, which lead to inefficiencies in C&D waste supervision and management in China. To address the above challenges, we propose an informatization scheme integrating multiple technologies, which will contribute to real-time monitoring of illegal behaviors in the waste disposal process, accurate data collection for evaluating the performance of stakeholders, and the enhancement of the collaboration between supervisory departments. A case study of the Ningbo Construction Waste Transportation Supervision System is introduced to verify the feasibility and effectiveness of the proposed scheme; results show that the total number of illegal cases has decreased from 510 to 89 per year since the system was put into operation.

scholarly journals Construction Waste Audit in the Framework of Sustainable Waste Management in Construction Projects - Case Study

2020 ◽  
Author(s):  
Marcela Spišáková ◽  
Peter Mésároš ◽  
Tomáš Mandičák
Keyword(s):  
Waste Management ◽  
Waste Disposal ◽  
Construction Projects ◽  
Economic Benefits ◽  
Construction And Demolition Waste ◽  
Transport Costs ◽  
Demolition Waste ◽  
Construction Waste ◽  
Building Information

The issue of sustainability has long been the subject of interest of the architecture engineering and construction sector. All three aspects of sustainability - economic, environmental and social - can be affected through appropriate construction waste management. Construction and demolition waste (CDW) is one of the largest worldwide waste streams, therefore it is given great attention by all stakeholders (investors, contractors, authorities, etc.). Researches have shown that one of the main barriers to insufficiency CDW recovery is inadequate policies and legal frameworks to manage CDW. It is also one of the EU's environmental priorities. Aim of the article is to confirm the economic potential of construction and demolition waste audit processing through case study. A pre-demolition waste audit has been processed for unused building of shopping center in the town Snina in Slovakia. Subsequently, a comparison of economic parameters (waste disposal costs and transport costs) of recommended CDW management was performed. This comparison confirmed the economic benefits of environmentally friendly construction waste management methods according to the waste audit results, which will also increase the sustainability of construction projects. In addition, the cost parameters of selected waste disposal methods could be another dimension of building information modelling.

scholarly journals Construction Waste Audit in the Framework of Sustainable Waste Management in Construction Projects—Case Study

Buildings ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 61
Author(s):  
Marcela Spišáková ◽  
Peter Mésároš ◽  
Tomáš Mandičák
Keyword(s):  
Waste Management ◽  
Waste Disposal ◽  
Construction Projects ◽  
Economic Benefits ◽  
Information Modeling ◽  
Construction And Demolition Waste ◽  
Transport Costs ◽  
Demolition Waste ◽  
Construction Waste

The issue of sustainability has long been the subject of interest in architecture engineering and the construction sector. All three aspects of sustainability—economic, environmental, and social—can be affected through appropriate construction waste management. Construction and demolition waste (CDW) is one of the largest worldwide waste streams, therefore, it is given great attention by all stakeholders (investors, contractors, authorities, etc.). Research studies show that one of the main barriers to insufficient CDW recovery is inadequate policies and legal frameworks to manage CDW. It is also one of European Union’s (EU) environmental priorities. The aim of the article was to confirm the economic potential of construction and demolition waste audit processing through a case study. A pre-demolition waste audit was processed for an unused shopping center building in the town Snina in Slovakia. Subsequently, a comparison of economic parameters (waste disposal costs and transport costs) of the recommended CDW management was performed. This comparison confirmed the economic benefits of environmentally friendly construction waste management methods according to the waste audit results, which would also increase the sustainability of construction projects. Additionally, the cost parameters of selected waste disposal methods could be another dimension of building information modeling.

Value stream mapping for identification and assessment of material waste in construction: A case study

2019 ◽  
Vol 37 (8) ◽  
pp. 815-825 ◽  
Author(s):  
Aneetha Vilventhan ◽  
VG Ram ◽  
S Sugumaran
Keyword(s):  
Lean Construction ◽  
Construction And Demolition Waste ◽  
Value Stream Mapping ◽  
Waste Generation ◽  
Demolition Waste ◽  
Construction Waste ◽  
Value Stream ◽  
Waste Minimisation ◽  
Systematic Identification

Construction sites are plagued with numerous problems, such as improper planning and management, high amounts of waste generation and low awareness of waste reduction. Construction and demolition waste literature provides several best practises and prescriptive strategies that help minimise waste during construction. However, it lacks in the systematic identification and minimisation approach of all possibilities of waste. Therefore, studies focusing on principles and tools that help systematically analyse the inefficiencies of on-site processes leading to waste generation and philosophies addressing waste minimisation are necessary. As eliminating waste is one of the key lean principles, this article discusses the need and importance of integrating the lean construction with the construction and demolition waste management. This article aims to estimate and assess the causes of waste generation in a high-rise building construction through a case study in Chennai city (India) using value stream mapping, a key lean construction tool. Onsite monitoring and measurement were performed to quantify the amount of waste generated. A waste generation rate of 66.26 kg m−2 was identified, of which concrete, cement mortar and brick waste represented almost 90% of the total construction waste. Direct observation and interviews of site personnel were conducted to understand the causes of waste generation. A strategic framework has been proposed to improve construction and demolition waste minimisation depicting the synergy of combining lean construction principles with construction and demolition waste management strategies. The proposed framework helps in the systematic identification, assessment and minimisation of on-site construction waste generation.

scholarly journals Assessment of construction waste management practice: a case study in Costa Rica

2007 ◽  
pp. 85-95
Author(s):  
Lilliana Abarca ◽  
Ir. F.M. Scheublin ◽  
Hijmen Van Twillert
Keyword(s):  
Costa Rica ◽  
Management Practice ◽  
Developed Countries ◽  
Construction And Demolition Waste ◽  
Demolition Waste ◽  
Construction Waste ◽  
A Value ◽  
Soil Piping ◽  
Concrete Blocks

The construction industry deals with the provision of shelter and infrastructure for acontinuing growing population and urbanization, especially in developing countries, Thissector is well known as a huge consumer of natural resources; which produces a significantquantity of construction and demolition waste, Data about the situation of construction wastegeneration in Costa Rica is scarce and the objectives of the study were to develop a baselinestudy to determine quantities and composition of the waste, as well as, motivators and barriersfor achieving a more sustainable activity, This paper draws the findings of the surveyundertaken by means of questionnaires, interviews and site visits, The composition basicallyis wood, soil, piping materials, corrugated roof sheets, wires, packaging materials (paper,plastic and cardboard), cement, concrete, blocks, paints and debris, The amounts (either byvolume or by weight) of these streams are unknown since the majority of the companies don'tkeep track of these data, It is suggested a value of I 00 kg/m2 as an educated guess of theamount of construction waste produced, This high amount, compared to lower values found inliterature for developed countries, could be explained by the general lack of awareness andinformation on environmental issues as well as lack of technologies, governmentalenforcement and market incentives to improve the environmental footprint of the sector,

The Thinking and Suggestion on Construction and Demolition Waste Recycle Supervision and Administration

2014 ◽  
Vol 1073-1076 ◽  
pp. 981-985
Author(s):  
Ying Li ◽  
Jiao Yue ◽  
Chang Li
Keyword(s):  
Public Opinion ◽  
Management System ◽  
Business Management ◽  
Current Situation ◽  
Construction And Demolition Waste ◽  
Basic System ◽  
Demolition Waste ◽  
Construction Waste ◽  
Supervision And Management ◽  
Monitoring Mechanism

Based on the development of the construction and demolition waste recycle, this paper expands comprehensive thinking and analysis on the current situation and problem of construction waste recycle supervision and management system. From business management, administration, economic and public opinion etc, this thesis proposes establishing sound construction waste recycle monitoring mechanism and providing the basic system guarantee for construction waste recycle.

scholarly journals Licenciamento ambiental: uma análise da sua eficiência no setor da construção civil de João Pessoa

2018 ◽  
Vol 1 (40) ◽  
pp. 105
Author(s):  
Janaina Conceição Silva ◽  
Alexsandra Rocha Meira
Keyword(s):  
Waste Disposal ◽  
Construction And Demolition Waste ◽  
Management Skills ◽  
Demolition Waste ◽  
Waste Products ◽  
Construction Waste ◽  
Large Cities ◽  
The Public ◽  
Final Destination ◽  
Shared Management

<p>The management of construction waste in large cities carried out by the public administration presents some difficulties that have been increased due to the housing policy developed by the federal government. These problems have affected not only the generation, management, but also the final destination of the waste products. The objective of this study was to investigate the conflicts experienced in João Pessoa city through the quantification found in the Civil Construction and Demolition Waste Management Projects (PGRCCD) present in the Environmental Licensing processes requested in Environment Secretariat of João Pessoa (Semam). In João Pessoa, the situation experienced in the years 2014 and 2015 reflects the national scenario. In 2014 the upswing in the sector resulted in the generation of about 712,101.49 m3 of construction and demolition waste (RCDs). It became a problem because there was evidence of correct disposal of this waste occurring in only 8,471.50 m3 of the estimated total. In 2015, following the national slowdown due to the political-financial crisis, the generation of construction waste decreased considerably. As a result of that there was only an amount of 31,788.88 m3 of construction and demolition waste. However, the final waste disposal verification exceeded the waste generation quantification of the year, of 40,246.46 m3. This made us refer back to former problems’ resolutions. Based on the information from this period it can be said that the process of implementing shared management skills requires adjustments, improvements and technological investment in the traceability of waste disposal that includes the design of the architectural project and the project delivery for this would mean improvements for the city and less environmental impacts.</p>

scholarly journals Geoenvironmental Analysis for the Delimitation of the Construction waste Disposal Área

2017 ◽  
Vol 3 (2) ◽  
pp. 270
Author(s):  
Anna Luiza Garção Oliveira ◽  
Onaldo José Nunes Filho ◽  
Olívio Fiorese Neto ◽  
Fabrício Borges Amaral ◽  
Regiane Lima Rodrigues ◽  
...  
Keyword(s):  
Waste Disposal ◽  
Public Management ◽  
Construction And Demolition Waste ◽  
Demolition Waste ◽  
Construction Waste ◽  
Disposal Area ◽  
City Hall ◽  
Gis Tools ◽  
The City ◽  
Do So

Abstract: the intense production of construction and demolition waste (RCCD) in city spaces is a central problem for public management, especially in view of the difficulty in finding suitable places for the disposal of this waste without this poses a risk to the environment. In this sense, the present study aims to identify geoenvironmental aspects (geological, geomorphological and hydrological dynamics) for the evaluation of the terrain with the aid of GIS tools and field expeditions. In order to do so, the methodological stages were systematically systematized. They were: thematic maps, interviews with residents and technicians of the City Hall, monitoring of the deposit formation process and final environmental diagnosis. Finally, it was possible to list and propose structural and non-structural, corrective and mitigating measures for the area of deposit and permanent balance with the environment and with the predominant forms of use and occupation of the region.Análise Geoambiental para Delimitação de Área de Depósito de Resíduos de Construção CivilResumo: a  intensa produção de resíduos de construção civil e demolição (RCCD) nos espaços das cidades constitui um problema central para a gestão pública, especialmente diante da dificuldade em se encontrar lugares adequados para deposição destes resíduos sem que isso configure um risco à população . Nesse sentido, o presente estudo visa elencar aspectos geoambientais (geológicos, geomorfológicos e dinâmica hidrológica) para avaliação do terreno com o auxílio de ferramentas SIG e expedições de campo. Para tanto, sistematizou-se, sequencialmente, as etapas metodológicas, sendo elas: elaboração de mapas temáticos, entrevistas com moradores e técnicos da Prefeitura Municipal, acompanhamento do processo de formação do depósito e diagnóstico ambiental final. Por fim, foi possível elencar e propor medidas estruturais e não-estruturais, corretivas e mitigadoras para a área do depósito possibilitando equilíbrio ambiental em consonância com as formas de uso e ocupação predominantes da região. 

scholarly journals Evaluation of Reuse of Demolition and Construction Waste in Geotechnical Engineering Works with A Case Study: Mosul City (Review)‎

2021 ◽  
Vol 14 (3) ◽  
pp. 108-118
Author(s):  
Mohammed Abdulnafaa ◽  
Ayman W. Aldabag ◽  
Hanan H. Alghyat
Keyword(s):  
Geotechnical Engineering ◽  
Construction And Demolition Waste ◽  
Engineering Properties ◽  
Demolition Waste ◽  
Construction Waste ◽  
Base Materials ◽  
Asphalt Materials ◽  
Many Sources ◽  
The City

Demolition and construction waste are among the topics that focus by many researchers. The ‎methods of reuse of waste materials must reduce the economic and environmental pressure of their ‎presence in various regions. Before 2014, the city of Mosul contained relatively small quantities of ‎demolition and construction debris, especially concrete rubble, asphalt materials, and bricks (they formed ‎approximately 80% of the construction and demolition debris). These materials increased very greatly ‎after the liberation operations and the widespread destruction of large parts of the city and became a great ‎problem in the reconstruction operations. There is no clear plan yet in the city to deal with this debris, and it ‎is disposed of by moving them to another place or burying them randomly when rebuilding the destroyed ‎parts. This study shows to deal with demolition and construction debris in Mosul after liberation and during ‎reconstruction operations. Also, many sources and data dealing with the re-use of demolition and ‎construction debris in the field of geotechnical engineering for operations to improve the engineering ‎properties of soils are presented. Many papers show the possibility of using construction and demolition waste as an alternative base or sub-base materials, fill for embankments, or increase durability and reduce the swelling ‎and plasticity ‎of clay.  The study concludes that the researches and data can be used to deal with ‎the rubble of demolition and construction in Mosul in a way that enables to benefit from it economically ‎and environmentally.‎

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