Assessing embodied GHG emission reduction potential of cost-effective technologies for construction of residential buildings of Economically Weaker Section in India

Sengupta, Nilanjan; Roy, Sayahnya; Guha, Himadri

doi:10.1007/s42107-018-0013-8

Cited by 17 publications

(9 citation statements)

References 19 publications

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“…Sengupta et al [25] assessed embodied greenhouse gas (GHG) emission for construction of residential buildings in India, and they found that there is ample scope of adoption of eco-friendly construction technologies for the reduction of GHG without any increase in the cost of construction. Alves et al [1] demonstrate that natural fiber could be used as a replacement of fiberglass on automotive components after the environmental improvements estimated using LCA.…”

Section: Mechanical Properties and Sustainability Aspects Of Coconut ...mentioning

confidence: 99%

Mechanical properties and sustainability aspects of coconut fiber modified concrete

2021

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Coir fiber has been examined for their suitability as reinforcement of concrete. Mechanical properties and sustainability aspects of concrete composites were estimated after 7. 14, and 28 days of curing. Natural reinforcement of 0.46 and 0.62% by weight of coir fiber was added. Fibers were analyzed by means of scanning electron microscope (SEM). Besides, an Eco-audit tool has been used to estimate energy and carbon emission of material, manufacturing, transportation, and disposal phases. It was found that fibers additions lowered the compressive strength compared to plain concrete. However, failures of the composites exhibited good post-cracking behavior. The use of vegetable fibers affects positively the life cycle of the material. Eco-audit results indicate that there is a potential to reduce between 9.15% and 13.35% of embodied energy and between 9.61% and 13.94% of CO2 during the material production phase. These suggest that coir fibers could be useful from the environmental view, although more studies regarding their durability are needed.

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Section: Mechanical Properties and Sustainability Aspects Of Coconut ...mentioning

confidence: 99%

Mechanical properties and sustainability aspects of coconut fiber modified concrete

2021

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“…EE of the buildings is the sum of all energy incurred on sourcing, procession/ manufacturing of building materials, and transportation of building materials including construction equipment and labor, energy incurred for onsite construction, and all secondary and tertiary process. Life cycle energy of buildings due to demolition, disposal, and transportation of material and use of construction equipment is very less, that is, 1-2% [11][12][13][14] and 0.7% [15][16][17], respectively. e energy in construction activities is negligible due to the predominance of manual labor in Asia [12,13,16,18].…”

Section: Introductionmentioning

confidence: 99%

“…Life cycle energy of buildings due to demolition, disposal, and transportation of material and use of construction equipment is very less, that is, 1-2% [11][12][13][14] and 0.7% [15][16][17], respectively. e energy in construction activities is negligible due to the predominance of manual labor in Asia [12,13,16,18]. Furthermore, the energy usage pattern in buildings depends on many factors.…”

Section: Introductionmentioning

confidence: 99%

“…e houses intended for economically weaker sections (EWSs) have a low built-up area, and thus, material resource conservation becomes crucial for reducing its EE. Construction materials, which have high embodied energy and high cost, are used minimally in housing for economically weaker sections [3,7,12,28,29], further reducing its embodied energy (EE), life cycle energy (LCE), and construction cost (CC).…”

Section: Introductionmentioning

confidence: 99%

“…e requirement of OE in IAHUs is limited due to the inability to afford heating and cooling systems due to financial issues of the stakeholders. In this scenario, EE becomes more significant for improving sustainability index of the Indian affordable housing [3,7,9,12,30,31]. Life cycle energy (LCE) of a building is expressed as energy consumed per unit area.…”

Section: Introductionmentioning

confidence: 99%

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Reduction of Embodied Energy and Construction Cost of Affordable Houses through Efficient Architectural Design: A Case Study in Indian Scenario

Bansal

Minocha

Kaur

et al. 2021

Advances in Civil Engineering

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Embodied energy and cost of construction of any building depends upon the consumption of resources, more specifically construction materials. In housing clusters, the spaces provided for horizontal and vertical circulation of occupants such as corridors and contribute in the built-up area of individual unit without any increase in the usable/carpet area. Thus, an efficient architectural planning of common circulation spaces plays a major role in lowering the built-up-to-carpet area ratio of individual housing unit in clusters. This may, thus, result in lesser embodied energy and maximum area availability for occupant usage. In the present study, 30 clusters of Indian affordable housing units (IAHUs) of similar typology and different architectural designs are analyzed. The built-up and carpet area of each IAHU are estimated, and the ratio of the built-up to carpet area is calculated. Detailed estimates of construction materials for each IAHU is prepared, and cost of construction and embodied energy is calculated. The calculations of embodied energy and construction cost are done for major construction materials, viz., cement, steel, bricks, sand, and coarse aggregate and compared with different built-up-to-carpet area ratio. The study of IAHUs concludes that a variation of 1.30 to 1.62 in the built-up area-to-carpet area ratio results in variation in construction cost (INR 13,425.00 to 20,138.00 per m2 carpet area) and embodied energy (4–6.5 GJ per m2 carpet area). Analysis suggests that the IAHU with a lower built-up-to-carpet area ratio exhibits reduction in the cost of construction and embodied energy simultaneously. Thus, an efficient architectural design plays a major role in improving the sustainability of IAHUs and built-up-to-carpet area ratio is an important indicator of sustainability.

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Reduction of GHGs in Buildings—Indian Affordable Houses

Bansal

Minocha

Kaur

2022

Lecture Notes in Civil Engineering

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Assessing embodied GHG emission reduction potential of cost-effective technologies for construction of residential buildings of Economically Weaker Section in India

Cited by 17 publications

References 19 publications

Mechanical properties and sustainability aspects of coconut fiber modified concrete

Mechanical properties and sustainability aspects of coconut fiber modified concrete

Reduction of Embodied Energy and Construction Cost of Affordable Houses through Efficient Architectural Design: A Case Study in Indian Scenario

Reduction of GHGs in Buildings—Indian Affordable Houses

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