Reducing construction waste: A study of urban infrastructure projects

Magalhães, Ruane Fernandes de; Danilevicz, Ângela de Moura Ferreira; Saurin, Tarcísio Abreu

doi:10.1016/j.wasman.2017.05.025

Cited by 96 publications

(65 citation statements)

References 31 publications

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“…In addition, construction is a major generator of CDW impacting the urban landscape and overloading the collection service [10]. In 2016, Brazil collected 45 million tons of CDW, equal to 63% of the total of urban waste [49].…”

Section: Local Impacts Of Construction Sites and Their Main Regulatormentioning

confidence: 99%

“…On the other hand, the Resolution 307 CONAMA lists four waste groups: reusable or recyclable wastes (Class A); recyclable wastes for other destinations (Class B); wastes which do not yet have economically viable technologies for recycling or recovery (Class C); and hazardous waste such as paints and solvents, and those contaminated or harmful to health due to demolition, renovation or repair of radiological clinics or containing asbestos (Class D) [10]. Table 1 shows a comparison between the classifications from IN IBAMA No.…”

Section: Local Impacts Of Construction Sites and Their Main Regulatormentioning

confidence: 99%

“…This choice is influenced by the intended use and the degree of difficulty of obtaining them, and such choice impacts the reliability and quality of the analysis. In the pre-construction phase (planning and design) it is usual to use sectoral statistical data and reference works for prediction of impacts and planning of control and mitigation actions [10,71]. During the construction phase, the average of resources effectively used can be chosen as a parameter for the control and the adjustment during the process [20,55].…”

Section: Construction Activities Selectionmentioning

confidence: 99%

“…Then, the values of the intensities were normalized on a scale of 0 to 1, considering 1 the maximum value and the others according to Equations (9) and (10).…”

Section: Comparing the Environmental Performance Of Construction Sitesmentioning

confidence: 99%

See 3 more Smart Citations

A Quantitative Method for Prediction of Environmental Aspects in Construction Sites of Residential Buildings

et al. 2018

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Despite the sectoral initiatives, the construction industry faces difficulties in incorporating effective environmental impact control systems in construction sites. Most of the instruments have been adopting a qualitative approach to environmental issues, with few cases of a quantitative approach. This article introduces a quantitative method for predicting environmental aspects and impacts during the construction of residential buildings, through the integration between environmental indicators and construction cost bases. The methodology was based on the analysis of the relationships among activities, aspects and environmental impacts considered in EU Eco-Management and Audit Scheme (EMAS) for the development of the method and its mathematical representation. A case study was carried out to evaluate the method using the bill of quantities (BOQ) from two residential construction sites to measure their environmental aspects. The results suggest the usefulness of the method in the decision-making process on the allocation of control systems and, in some cases, recommending the execution of off-site services to reduce the impacts on the site's neighborhood. Additionally, the method proved to be easy to apply to evaluate construction sites, as well as flexible to incorporate other activities, adapting to the demand of builders and municipalities to reduce the environmental impacts of construction sites.

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Section: Local Impacts Of Construction Sites and Their Main Regulatormentioning

confidence: 99%

Section: Local Impacts Of Construction Sites and Their Main Regulatormentioning

confidence: 99%

Section: Construction Activities Selectionmentioning

confidence: 99%

“…Then, the values of the intensities were normalized on a scale of 0 to 1, considering 1 the maximum value and the others according to Equations (9) and (10).…”

Section: Comparing the Environmental Performance Of Construction Sitesmentioning

confidence: 99%

See 2 more Smart Citations

A Quantitative Method for Prediction of Environmental Aspects in Construction Sites of Residential Buildings

et al. 2018

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“…In order to overcome the adverse impacts and to have proper C&D waste management, strategies need to be implemented (Magalhaes et al, 2017). Further, policies and regulations needs to be implemented by the government to manage C&D waste (Oluwole & Olaniran, 2013).…”

Section: Introductionmentioning

confidence: 99%

Origins of Construction and Demolition Waste Generation in the Sri Lankan Construction Industry

Liyanage¹,

Waidyasekara²,

Mallawaarachchi³

et al. 2019

World Conference on Waste Management

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C&D waste management is an area where attention needs to be paid for as the construction industry is considered to be one of the key solid waste generators. Mainly, C&D waste get generated through the new construction, renovation of buildings, and through the demolition of buildings and structures. Hence, it is necessary to manage the C&D waste. In order to manage the C&D waste, it is necessary to identify the types and origins of waste. Thus, the aim of the paper is to identify the types of C&D waste and their origins of generation. This paper critically reviews secondary data and findings of eight case studies under the qualitative approach. Through the case study findings, it was evident that plywood, concrete, cement, steel offcuts, blocks bricks, sand, soil, wood, polythene and food waste as the main types of C&D waste in Sri Lankan construction sites. Further, design changes, transport, human mistakes, quality of works, client changes and mismatches in required materials are identified as the key origins for C&D waste generation in Sri Lankan construction sites. Therefore, to achieve the aim of the paper, types of C&D waste materials and origins of C&D waste generation were identified.

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Mechanical behavior of recycled coarse aggregates self‐compacting concrete‐filled steel tubular columns under eccentric compression

Yin

Fang

et al. 2019

Structural Concrete

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The mechanical behavior of recycled coarse aggregates self‐compacting concrete‐filled steel tubular columns (RCA ‐ SCCFST) under eccentric compression is investigated in this study. Nine specimens with different eccentricities ( e) and column length‐to‐diameter ratios ( L/D) are designed and tested, including six long columns ( L/D > 4) and three short columns ( L/D ≤ 4). Test results indicate that the long columns under eccentric compression exhibit overall flexural buckling failure, while the short columns under eccentric compression experience drum‐like bending failures. The ultimate bearing capacity of specimens decreases as eccentricity or column length‐to‐diameter ratio increases. The increase of column length‐to‐diameter ratio or eccentricity would accelerate the stiffness degradation. The ultimate longitudinal and circumference strains decrease as the eccentricity or column length‐to‐diameter ratio increases. The application of existing concrete filled steel tube (CFST) design specifications, such as American specification (AISC360‐16‐2016), Chinese code (GB50936‐2014) and Japanese code (AIJ‐1997) for the RCA ‐ SCCFST long columns are evaluated. AISC360‐16‐2016 and AIJ‐1997 are a little conservative. GB50936‐2014 is comparative accurate. Considering the influence of replacement ratio of RCA, a modified formula for predicting the ultimate bearing capacity of RCA ‐SCCFST long columns is presented in this study. The theoretical values estimated by the modified formula are in good agreement with test data.

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Reducing construction waste: A study of urban infrastructure projects

Cited by 96 publications

References 31 publications

A Quantitative Method for Prediction of Environmental Aspects in Construction Sites of Residential Buildings

A Quantitative Method for Prediction of Environmental Aspects in Construction Sites of Residential Buildings

Origins of Construction and Demolition Waste Generation in the Sri Lankan Construction Industry

Mechanical behavior of recycled coarse aggregates self‐compacting concrete‐filled steel tubular columns under eccentric compression

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