Results 61 to 70 of about 365,968 (194)

Die epigäische Spinnenfauna (Araneae) anthropogener Kleinflächen im Universitätsgebiet der Philipps-Universität auf den Lahnbergen bei Marburg

open access: yesArachnologische Mitteilungen, 2000
During May and June 1994, 45 pitfall traps were exposed in three types of small, urban habitats: traffic islands, flat gravel roofs and courtyards ranging from 65 to 1.800m2.
Framenau, Volker W., Smit, Janna
doaj   +1 more source

A Review of Roofing Methods: Construction Features, Heat Reduction, Payback Period and Climatic Responsiveness

open access: yesEnergies, 2018
The roofs of buildings play an essential role in energy efficiency because a significant amount of solar radiation is absorbed by roofs in hot weather and a significant amount of heat is lost through roofs in cold weather.
Majed Abuseif, Zhonghua Gou
doaj   +1 more source

Annex of attics on flat roofs of urban residential buildings [PDF]

open access: yes, 2007
Necessity for rehabilitation of flat roofs, as well as residential deficit and high prices of flats caused massive annex of attics. In Belgrade in the period after World War II mass building of apartment houses with flat roofs had been extensively used ...
Krstić-Furundžić, Aleksandra
core  

Numerical Investigations of Snowdrift Characteristics on Roofs with Consideration of Snow Crystal Morphological Features

open access: yesBuildings
Under extreme snowfall conditions, wind-induced snow drifting can lead to the redistribution of snow accumulation on roofs, resulting in localized overloads that pose a serious threat to building structural safety.
Guolong Zhang   +5 more
doaj   +1 more source

Maintainability of reinforced concrete flat roofs in Sri Lanka [PDF]

open access: yes, 2013
The research into the issue of maintainability of multi-storey buildings in Sri Lanka is still in its adolescent stage. One of the critical building elements that require immediate attention for maintainability is reinforced concrete flat roofs.
De Silva, N, Ranasinghe, M
core  

Impact of loose-laid gravel on the pressure distribution over a flat roof

open access: yesAdvances in Wind Engineering
A series of large-scale wind tunnel tests were conducted to quantify the impact of loose-laid gravel on the pressure distribution over a flat roof. Measurements were presented for the pressure distribution over the surface of a flat roof on a square plan
Md. Safwan Ahsanullah   +1 more
doaj   +1 more source

UWE Construction Films: 13 Flat Roofs [PDF]

open access: yes
This film traces the development of flat roofs and identifies the principles and practice of modern construction. Extensive site footage follows the construction of several different types of flat roof and simple computer graphics explain the function of
Turner, Fiona, Gill, Olivia
core  

Study on the snow drifting modelling criteria in boundary layer wind tunnels [PDF]

open access: yesConstructii: Journal of Civil Engineering Research, 2014
The paper presents a study on modelling the wind drifting of the snow deposited on the flat roofs of buildings in wind tunnel. The physical model of snow drifting in wind tunnel simulating the urban exposure to wind action is not frequently reported in ...
Georgeta BĂETU   +4 more
doaj  

Benefits of green roof installations on buildings with flat roof

open access: yes, 2022
In this paper, different aspects of a green roof installation are analyzed on several typical buildings in Belgrade. The analysis is performed for buildings with extensive and intensive green roofs. The goal was to determine their influence on existing buildings' structural capacity and thermal characteristics.
Perović, Zoran   +3 more
openaire   +1 more source

VALUE ANALYSIS OF HYDRO INSULATION MATERIALS FOR FLAT-WARM ROOFS FILLED WITH STONE RUBBLE [PDF]

open access: yes, 2012
Hidroizolacija je pomemben sestavni del ravnih streh. Za hidroizolacijsko zaščito ravnih streh se uporabljajo različnih materiali, ki imajo različne lastnosti. V projektni nalogi je kot metodološko orodje za ocenjevanje ekonomičnosti gradbenih materialov
Pelc, Nina
core   +1 more source

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