Sustainable Non-Metallic Building Materials

Joseph, Paul; Tretsiakova-McNally, Svetlana

doi:10.3390/su2020400

Cited by 97 publications

(68 citation statements)

References 112 publications

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“…To quote Bainbridge [82]: -An ideal building would be inexpensive to build, last forever with modest maintenance, but return completely to the earth when abandoned‖. In a recent review, Joseph and Tretsiakova-McNally [83] explored the alternate materials that could be used to reduce the environmental trace of a building.…”

Section: Construction Materials Environmental Tracementioning

confidence: 99%

“…Another approach to reduce the environmental trace of concrete is to replace the natural aggregate with recycled products: recycled concrete aggregate, crushed blast furnace slag, sand, brick, glass, granulated plastics, waste fiberglass, mineralized wood shavings, etc. [83]. However, the integration of these materials is not straightforward as mechanical and chemical properties are different than those of the natural aggregates.…”

Section: Concretementioning

confidence: 99%

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Sustainable Buildings: An Ever Evolving Target

2011

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Environmental considerations have called for new developments in building technologies to bridge the gap between this need for lower impacts on the environment and ever increasing comfort. These developments were generally directed at the reduction of the energy consumption during operations. While this was indeed a mandatory first step, complete environmental life cycle analysis raises new questions. For instance, for a typical low thermal energy consumption building, the embodied energy of construction materials now becomes an important component of the environmental footprint. In addition, the usual practice in life cycle analysis now appears to call for some adaptation-due to variable parameters in time-to be implemented successfully in building analysis. These issues bring new challenges to reach the goal of integrated design, construction, commissioning, operation, maintenance, and decommissioning of sustainable buildings.

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Section: Construction Materials Environmental Tracementioning

confidence: 99%

Section: Concretementioning

confidence: 99%

Sustainable Buildings: An Ever Evolving Target

2011

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“…Increasing the use of wood in construction, as a renewable and low-embodied energy alternative to reinforced concrete and steel, will play an important role in reducing emissions and solid waste derived from the global construction industry (Joseph and Tretsiakova-McNally 2010;Ramage et al 2017). Wood in its natural form is a widely used construction material, but in certain environments and applications, issues related to durability, fire resistance, and dimensional stability need to be addressed (Rowell 2007;Ramage et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Predicting the pore-filling ratio in lumen-impregnated wood

Shah

Janeček

et al. 2017

Wood Sci Technol

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Lumen impregnation, unlike most other wood modification methods, is typically assessed by the pore-filling ratio (PFR) (i.e. the fraction of luminal porosity filled) rather than by weight percentage gain (WPG). During lumen impregnation, the impregnants act on the voids in the wood rather than on the solid mass (e.g. cell walls), but the PFR cannot be measured as conveniently as the WPG during processing. Here, it is demonstrated how the PFR can be calculated directly from the WPG if the bulk density of the untreated wood is known. The relationship between the WPG and bulk density was examined experimentally by applying a pressured impregnation on knot-free specimens from Sitka spruce with a liquid mixture of methacrylate monomers. Based on the validated model, it was possible to further study the effect of different process-related parameters, such as hydraulic pressure, on lumen impregnation. Skeletal density is another key parameter in this model, which directly reflects the amount of inaccessible pores and closed lumens, and can be independently determined by helium pycnometry. The permeability can be qualitatively evaluated by PFR as well as skeletal density. For instance, poor permeability of knotty wood, due to the large extractives content around knots, was 123Wood Sci Technol (2017) 51:1277-1290 DOI 10.1007 reflected by a lower skeletal density and inefficient lumen impregnation (low PFR). Although this model was examined on a laboratory scale, it provides guidance on the precise effect of different parameters on lumen impregnation, thereby improving the fundamental understanding of and enabling better control over the modification of wood by impregnation.

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“…One of such materials is unfired solid interlocking laterite/clay (Hydraform blocks) [15]. The usage of Hydraform blocks, in place of conventional fired ones, can significantly reduce the energy use and also cut down CO 2 emissions and minimize generated waste [16]. Usually, solid laterite blocks are produced on the site where the materials are available.…”

Section: Use Of Renewable Building Materials For Constructionmentioning

confidence: 99%

Promoting sustainable waste minimisation in the built environment: a case study of urban housing in Akure, Nigeria

Adedeji

Taiwo

Fadairo

et al. 2013

WIT Transactions on Ecology and the Environment

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The construction industry is one of the largest solid waste generators all over the globe. Because waste generation from both new construction works, as well as renovation works has been on the increase, it is absolutely necessary for the construction industry to adopt ecologically sound planning and construction practices for the purpose of creating a healthy and sustainable built environment. This is the focus of this paper. It appraises the management of construction waste in Nigeria and Akure in particular. A survey of selected construction sites in Akure is used as a case study to demonstrate the magnitude of poor management level of construction waste generation observed and the implications on the built environment. Research findings reveal that the Ondo State Waste Management Board is responsible for the management of solid waste in the city and over 78% of the construction waste is disposed indiscriminately or burnt on site, since the mandate of the board does not cover construction waste. Contractors were observed to cart away a sizeable junk of the waste for other uses. The paper suggests a wide range of measures for minimisation of waste on construction sites. These include modularisation of design, standardisation of building components, industrial production of building materials, efficient specification writing, retraining of building professionals, reuse and recycling among others. The paper concludes that there is colossal deficiency in the management of construction waste in the study area and recommend ways of ameliorating it.

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Sustainable Non-Metallic Building Materials

Cited by 97 publications

References 112 publications

Sustainable Buildings: An Ever Evolving Target

Sustainable Buildings: An Ever Evolving Target

Predicting the pore-filling ratio in lumen-impregnated wood

Promoting sustainable waste minimisation in the built environment: a case study of urban housing in Akure, Nigeria

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