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عنوان فارسی مقاله:

توسعه استاندارد سازگار ارزش طراحی برای کامپوزیت چوب پلاستیک: چشم انداز برنامه گرا


عنوان انگلیسی مقاله:

Standard-compliant development of a design value for wood–plastic composite cladding: An application-oriented perspective


سال انتشار : 2016



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مقدمه انگلیسی مقاله:

1. Introduction

Wood–plastic composites (WPC) are an example of a novel highly sustainable building material. They consist of wood fibers embedded in a petrochemical plastics matrix. Main applications are decking and cladding. There is an emerging body of literature concerning the use of bio-fiber reinforced plastics instead of pure petrochemical polymers, which relieves the pressure on scarce resources such as fossil fuels. However, their use in “green” fac¸ ades is still in its infancy because their development constitutes a challenge, particularly for the medium-sized industry. The global WPC production has experienced an overwhelming boost in the past years. In 2012, 1.5 million tons of WPC were produced worldwide, and this was mainly driven by decking and the North-American market. The production volume of WPC decking in Europe was 174,000 tons in 2012, whereas only 16,000 tons of WPC cladding were produced [1]. According to literature reviews on WPC technology, recent research mostly focuses on single aspects of compound properties rather than on multiple attributesand the extent of their mutual interaction. Despite a growing market, WPC investigations are generally not very application oriented. The literature review revealed that WPC producers publish very little information about technical properties, certificates and approval documents. It appears that current WPC cladding products in particular are marketed at private house owners rather than architects and engineers who are in charge of material selection within a building project and assess products under technical aspects. It can be theorized that by not disclosing specific product details, the WPC industry is overlooking a potential market segment which is continuously increasing. In view of the current research deficiencies, this paper aims to develop and apply a method for deriving a WPC-cladding material design value. The following approach agrees well with engineering methods because it is mainly based on material and building design codes. This could motivate fac¸ ade planners to not only choose WPC cladding because of its sustainability but also because available performance data supports their design process.



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کلمات کلیدی:

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