Low Embodied Energy Sustainable Building Materials and Technologies

2015 ◽  
Vol 650 ◽  
pp. 13-20
Author(s):  
Ashok Kumar ◽  
P.S. Chani ◽  
Rajesh Deoliya

Construction industry is one of the largest consumers of the natural resources and responsible for substantial amount of CO2emission in the world. The purpose of this paper is to carry out comprehensive literature review on the low embodied energy materials and techniques used in the existing and / or new buildings in India. The paper also compares the conventional building materials and techniques, with alternative ones to assess their superiority. An investigation into the energy consumed by the building materials and techniques is computed to find out the embodied energy requirements to prove superiority of innovative construction techniques over traditional materials.

Facilities ◽  
2017 ◽  
Vol 35 (7/8) ◽  
pp. 436-461 ◽  
Author(s):  
Visar Hoxha ◽  
Tore Haugen ◽  
Svein Bjorberg

PurposeThe purpose of this paper is to develop the empirically tested framework about the knowledge and perception about sustainability of building materials in Prishtina, Kosovo from the perspective of users, construction industry and facility managers. Design/methodology/approachA survey of representative sections of the population was designed and carried out in the capital city of Kosovo to determine the knowledge and perception of the population about the sustainability of building materials and to determine the main criteria of selection of sustainable building materials. The study may be used as guidelines for sustainable real estate developers in Prishtina during the materials selection process. Qualitative interviews were conducted with architects, consulting engineering companies, construction companies and facility managers from the region of Prishtina with open-ended questions also being used. FindingsResults of quantitative research find that embodied energy, durability and low energy consumption are used as key criteria that influence the materials selection process on the part of users. The results of the cross-case analysis of qualitative measure the perceptions of construction industry and facility managers, according to which durability to a large degree is the main criterion for selection of sustainable building materials followed by embodied energy and low energy consumption. Research limitations/implicationsThe study of measurement of level of knowledge and perception about sustainability of building materials in Kosovo focuses only on one pilot city; hence, further research is needed throughout Kosovo to validate the empirically tested tool within other geographical settings in Kosovo. Originality/valueThis survey represents the first quantification of knowledge and perception regarding the sustainability of building materials among users, construction sector and facility managers.


2021 ◽  
Vol 18 (2) ◽  
pp. 88
Author(s):  
Kim Dung Thi Vu ◽  
Bao Ngoc Nguyen

The construction industry is one of the industries accounting for a large proportion of Vietnam's overall GDP. It is also one of the least sustainable industries with extensive use of non-renewable resources. A study on the current situation of occupational awareness of sustainable building materials, identifying factors that prevent the diffusion of sustainable building materials is critical. The present study raised the theoretical basis of using sustainable building materials for the construction industry. Questionnaire data from 130 valid responses were used to carry out statistical analysis and make interpretation of results. The results indicate no significant difference between the two groups of respondents in awareness, belief, and readiness towards sustainable materials. The awareness and readiness levels are higher among construction practitioners who have experience. The present findings might suggest several courses of action to solve the problem of sustainable materials being overlooked. Our research suggests that it is essential for policymakers to encourage stakeholders to consider sustainability more seriously. The research findings have profound managerial implications that experienced practitioners might significantly impact the decision-making process in the realm of sustainable orientation. Future work should concentrate on integrating sustainable building materials into innovative and transformative practices in the construction industry. Keywords: sustainable materials; awareness; belief; readiness; Vietnam; construction industry


2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Sheetal Gounder ◽  
Abid Hasan ◽  
Asheem Shrestha ◽  
Abbas Elmualim

PurposeAlthough the adverse effects of construction activities on the environment and the need for sustainable construction practices are recognised in both research and practice, any significant shift in the selection and use of construction materials from the sustainability perspective has not taken place in many building projects. Still, conventional construction materials are widely used in building projects in both developed and developing countries. This study attempts to identify the main barriers to the use of sustainable materials in building projects in an advanced economy such as Australia.Design/methodology/approachThis study adopted a questionnaire survey approach to examine the main reasons behind the low usage of sustainable materials in building projects. Based on the relative importance index, exploratory factor analysis and multinomial logistic regression analysis, the study examined the main barrier measures and barrier factors to the use of sustainable materials in building projects.FindingsThe findings reveal that critical barriers to the use of sustainable materials are related to cost and profit considerations, the unwillingness of the key stakeholders to incorporate these materials into building projects, lack of incentives and government policies. The factor analysis reduced the critical barrier measures into three factors: techno-economic considerations, cost and delay concerns and resistance to use. Furthermore, multinomial regression analysis based on the extracted factors identified techno-economic considerations as the main barrier factor to the use of sustainable materials in building projects.Practical implicationsThe empirical results of this research can inform construction practitioners, organisations and policymakers on how to increase the use of sustainable building materials in the construction industry.Originality/valueIdentification of barriers to the use of sustainable building materials is a prerequisite to improve their uptake and use in the construction industry. The study fills a gap in the existing research on the use of sustainable materials in building projects in Australia.


2013 ◽  
Vol 689 ◽  
pp. 407-413 ◽  
Author(s):  
Xiao Hui Chen ◽  
Li Ma ◽  
Qiu Hua Guo

Currently, in pursuit of sustainable construction techniques and materials properties, the construction design of Wuyishan neglects the problem of its local materials and tectonic of material.Through sampling and analyzing, the sustainable building material selection principles have been given in this paper. Moreover, we also consider the geographical characteristics and natural ecological elements of Wuyishan. Meanwhile, some sustainable building materials with local characteristics of Wuyishan are selected. New tectonic methods for local construction building materials are explored.


Author(s):  
Emmanuel Chidiebere Eze ◽  
◽  
Rex Asibuodu Ugulu ◽  
Onyealilam Peter Onyeagam ◽  
Desoji Anthony Adegboyega ◽  
...  

The complexity and fragmented nature and the multiple stakeholders in the construction industry often make it difficult to come up with a firm decision regarding sustainable building materials selection. The wrong choice could negatively impact the project objective and performance outcome. This study assessed the critical factor influencing the choice of sustainable building materials (SBM) selection on construction projects in the Southeast geopolitical zone of Nigeria. Data were collected using a well-structured questionnaire, non-probability (purposive and snowball) sampling techniques, and an internet-mediated survey. Data analyses were carried out using the appropriate descriptive and inferential statistical tools and exploratory factor analysis (EFA). The study revealed recycled plastic, natural clay and mud, stone, bricks and tile, cellulose, stray bales, grasses, limestone, and wood timber, are the commonly used sustainable building materials. Also, their level of awareness is high while their adoption is moderate. EFA revealed that the major clusters of determinants of the choice of green building materials are: emissions minimisation, low running cost and reusability, low thermal and energy consumption efficiency, low cost and high health and safety consideration and waste minimisation. The key factors influencing the choice of sustainable building materials selection in construction are: reducing greenhouse gas emissions from buildings, materially embodied energy cost, operating and maintenance costs, non-toxic or low toxic emissions generated by the products/materials, recyclability of the building materials, availability of the technical skills, renewable (reusable) properties, inhibiting the impact of buildings on the environment, safety and health of the occupants, and appearance and aesthetic. It is recommended that consideration be given to these factors in selecting sustainable/green building materials in the designs and specifications of construction projects.


2020 ◽  
Vol 10 (11) ◽  
pp. 4032
Author(s):  
Anna-Marie Lauermannová ◽  
Michal Lojka ◽  
Filip Antončík ◽  
David Sedmidubský ◽  
Milena Pavlíková ◽  
...  

The search for environmentally sustainable building materials is currently experiencing significant expansion. It is increasingly important to find new materials or reintroduce those that have been set aside to find a good replacement for Portland cement, which is widely used despite being environmentally insufficient and energy-intensive. Magnesium oxybromides, analogues to well-known magnesium oxychloride cements, fit both categories of new and reintroduced materials. In this contribution, two magnesium oxybromide phases were prepared and thoroughly analyzed. The stoichiometries of the prepared phases were 5Mg(OH)2∙MgBr2∙8H2O and 3Mg(OH)2∙MgBr2∙8H2O. The phase analysis was determined using X-ray diffraction. The morphology was analyzed with scanning and transmission electron microscopy. The chemical composition was studied using X-ray fluorescence and energy dispersive spectroscopy. Fourier transform infrared spectroscopy was also used. The thermal stability and the mechanism of the release of gasses linked to the heating process, such as water and hydrobromic acid evaporation, were analyzed using simultaneous thermal analysis combined with mass spectroscopy. The obtained results were compared with the data available for magnesium oxychlorides.


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