نتایج جستجو برای: walls and roofs collapses

تعداد نتایج: 16833231  

Journal: :Plants 2023

Nature-based solutions are promising for climate adaptation and environmental management in urban areas, but conditions stressful vegetation. In particular, the interaction of drought high temperatures may be detrimental. Guiding plant selection greening with native species requires a far better knowledge adaptations stress acclimation. We tested physiological responses four candidate calcareou...

Journal: :Sustainability 2022

Blue-green infrastructure (BGI) is defined as a strategically planned network of natural and semi-natural areas with other environmental features designed managed to deliver wide range ecosystem services, which include microclimate regulation enhanced human thermal comfort. While green widely known be capable mitigating the adverse effects urban heat island, effect blue regulate comfort still p...

2011
Emma V White Birgitta Gatersleben

Recently there has been a surge in the number of green roofs and façades (vegetation on the roofs & walls of a building) installed in the UK, with advocation of their use by policy-makers and claims that they are aesthetically pleasing and promote restoration. But these claims rely on generalisations from different landscapes, raising concerns about validity. The present study examined whether ...

Journal: :Sustainability 2021

Green roofs and walls can mitigate the environmental climate change of a city. They decrease urban heat island (UHI), reduce greenhouse gas emissions, fix pollutants, manage stormwater runoff, attenuate noise, enhance biodiversity. This paper aims to analyse green in possible mitigation compare it by continent. might air temperature city up 11.3 °C lower thermal transmittance into buildings 0.2...

Journal: :Energies 2023

The building envelope provides thermal comfort, an excellent visual view, and sunlight for the occupants. It consists of two parts: (i) opaque (non-transparent) part (e.g., walls roofs) (ii) a transparent windows, curtain walls, skylight devices). Recently, use fully-glazed facades, especially in large cities, has increased due to their aesthetical structural advantages. This led this study rev...

Journal: :Environment International 2021

Street canyons are generally highly polluted urban environments due to high traffic emissions and impeded dispersion. Green infrastructure (GI) is one potential passive control system for air pollution in street canyons, yet optimum GI design currently unclear. This review consolidates findings from previous research on assesses the suitability of different forms terms local quality improvement...

Journal: :محیط شناسی 0
داود نهرلی استادیار مهندسی فضای سبز، دانشکدة کشاورزی، دانشگاه تبریز مهدی عبداللهی دانشجوی کارشناسی ارشد، جغرافیا و برنامه ریزی شهری، دانشکدة علوم انسانی و اجتماعی، دانشگاه تبریز مجتبی ولی بیگی دانشجوی دکترای، جغرافیا و برنامه ریزی شهری، دانشکدة علوم انسانی و اجتماعی، دانشگاه تبریز

due to the high value of land, low area of green space and its unsuitable distribution in the regions, the use of green roof technology in iran’s metropolises seems a suitable option in order to improve the quality of urban environment. using hierarchical analysis technique (ahp) and a survey research, this study identifies challenges which prevent the extension of green roofs in iran. so by st...

Journal: :Sustainability 2023

Heat transfer through building envelopes is a crucial aspect of energy efficiency in construction. Masonry walls, being commonly used material, have significant impact on thermal performance. In recent years, green roofs and walls gained popularity as means improving efficiency, reducing urban heat islands, enhancing aesthetics. This study aims to investigate the effect ivy (Hedera helix) green...

2001
B. R. Kyle D. J. Vanier

This paper presents an overview of observed distresses on low slope roofing systems collected for the Building Envelope Life Cycle Asset Management (BELCAM) project. The data include over 14,000 visible distresses from 600 roofs from seven different climatic regions across Canada. The distresses encountered for built up roofs, modified bituminous roofs and a limited number of single-ply roofing...

2010
Michael Blackhurst Chris Hendrickson Scott Matthews

Life-cycle assessment was used to evaluate the widespread installation of green roofs in a typical urban mixed-use neighborhood. Market prices of materials, construction, energy conservation, storm-water management, and greenhouse gas GHG emission reductions were used to evaluate private and social costs and benefits. Results suggest green roofs are currently not cost effective on a private cos...

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