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Significance of house-type as a determinant of residential quality in Osogbo, Southwest Nigeria
Jiboye Adesoji David
. 2014, 3 (1): 20-27.
https://doi.org/10.1016/j.foar.2013.11.006
This study investigates the effect of house-types on the assessment of residential quality in Osogbo, Nigeria. Through a questionnaire survey , this study employs a stratified systematic sampling method to select 406 (10%) households from three (3) major residential districts of Osogbo. Data are analyzed using descriptive statistics and one-way analysis of variance (ANOVA). The study showed that 80% and 14.8% of the respondents live in contemporary vernacular houses, that is, the “face-me-i-face-you” house, andwesternapartmenthouses, respectively. Meanwhile 2.5%, 1.5%, and 1.2% of the respondents live in duplexes, single family houses, and traditional courtyard dwellings, respectively. This result suggests that in Osogbo, the Yoruba traditional courtyard house-type is gradually being replaced by the contemporary vernacular house and the western apartment house-type. Confirming the linear relationship and level of significance among the variables, the ANOVA Test F-value is 2.17 (where p<0.05 probability level), which indicates that house-type significantly affects the assessment of residential quality in Osogbo. The need for the government and others involved in housing delivery to consider the appropriate house-types for and residential preferences of end-users within different sub-cultures when planning for future housing in Nigeria is highlighted.
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Differences in spatial understanding between physical and virtual models
Sun Lei, Fukuda Tomohiro, Tokuhara Toshiki, Yabuki Nobuyoshi
. 2014, 3 (1): 28-35.
https://doi.org/10.1016/j.foar.2013.11.005
In the digital age, physical models are still used as major tools in architectural and urban design processes. The reason why designers still use physical models remains unclear. In addition, physical and 3D virtual models have yet to be differentiated. The answers to these questions are too complex to account for in all aspects. Thus, this study only focuses on the differences in spatial understanding between physical and virtual models. In particular, it emphasizes on the perception of scale. For our experiment, respondents were shown a physical model and a virtual model consecutively. A questionnaire was then used to ask the respondents to evaluate these models objectively and to establish which model was more accurate in conveying object size. Compared with the virtual model, the physical model tended to enable quicker and more accurate comparisons of building heights.
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Feasibility of upgrading the energy performance of recent massive brick houses
Janssens Bart, Verbruggen Aviel
. 2014, 3 (1): 44-54.
https://doi.org/10.1016/j.foar.2013.11.004
Climate change policies imply significant reductions of energy use in buildings. For this, prevailing energy performance standards fall short, notwithstanding the emergence of stricter national building regulations. Regulations cover new built and renovation projects. New built houses that miss the best energy performance are soon candidate for energy upgrading. We investigate the architectural and economic aspects of upgrading recently built detached massive brick houses in Flanders (Belgium). For representing actual building practices, consecutive upgrading steps from lower to higher energy performance levels are considered. Questions addressed are: What is technically feasible in upgrading such houses? Which construction works are easy, which difficult? What are the architectural and financial consequences of a thorough upgrading? The analysis shows that deep energy transformations are financially unacceptable, related to the irrevocable character of investments in energy efficiency attributes of massive brick houses. This confirms that energy performance endowment measures should be designed and implemented at the time of first construction of a building.
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Sound preferences of the dense urban environment: Soundscape of Cairo
Ismailn Mostafa Refat
. 2014, 3 (1): 55-68.
https://doi.org/10.1016/j.foar.2013.10.002
A questionnaire study was conducted to investigate the soundscape preferences of the sonic environment in Cairo. Participants, who were Cairo residents, were questioned about their appraisal of familiar urban soundscapes in a close- and open-ended format questionnaire. Psycholinguistic data analysis of verbal descriptions expressed by respondents was conducted to identify the relevance of semantic categories of environmental sounds and quantitative soundscape aspects for the urban sonic environment of Cairo. Results confirmed a direct relevance of the linguistic semantic auditory judgment and of the outputs of the quantitative close-ended questions. Cairenes were also found to express their sonic environment linguistically based on physical properties rather than semantic features and values. Analyzing the relative annoyance increase (RAI) of the close-ended part, overall positive RAI values for all sound categories reveal how sensitive to noise Cairo residents are. Results further showed that at an RAI value of approximately 27%, sound category perception transforms from positive to negative.
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