scholarly journals Effect of Architectural Design Characteristics Affecting Design Simplicity on Affordability Improvement of Core Housing Schemes

2021 ◽  
Vol 1 (1) ◽  
pp. 26-34
Author(s):  
N.B.C.D. Okoye ◽  
I. Onyegiri ◽  
M. Okafor
Keyword(s):  
Architectural Design ◽  
Building Materials ◽  
Rank Order ◽  
Low Cost ◽  
Housing Affordability ◽  
Primary Data ◽  
P Value ◽  
Design Strategies ◽  
Design Characteristics ◽  
Design Simplicity

Studies identify that architectural design characteristics affecting design simplicity enhance core housing affordability. Effect of this attribute for affordability improvement, crucial in establishing design strategies for affordable low-cost urban homes, is lacking. Study examined this effect in Anambra State of Nigeria, using mixed method approach (primary data sourced from personal interviews, and questionnaire on 242 sampled residents from a 540 population. Using Kruskal-Wallis test and Spearman’s Rank-Order correlation for analysis, all prototypes were found non-affordable, with p-value of 0.000 for significant variation for affordability. Significant relationship, strong and positive (p-value, 0.000; correlation coefficient 0.778), was established between architectural design characteristics affecting design simplicity and affordability. Recommendations for improving core housing affordability include: minimal floor area for initial unit (studio apartments for households earning below N161, 000 monthly, 1-bedroom and 2-bedroom prototypes for those earning between N161, 000 and N200, 000); simple geometric plans; and local building materials for roof covering.

scholarly journals Examining Design Simplicity in Architectural Design of Public Core Housing Schemes in Anambra State of Nigeria

2021 ◽  
Vol 1 (1) ◽  
pp. 60-117
Author(s):  
Okoye N.B.C.D. ◽  
Onyegiri I. ◽  
Okafor M.
Keyword(s):  
Mixed Method ◽  
Architectural Design ◽  
Housing Affordability ◽  
Architectural Drawings ◽  
Personal Interview ◽  
Housing Design ◽  
Anambra State ◽  
Design Characteristics ◽  
Design Simplicity ◽  
Method Approach

Studies identify dearth of affordable core houses for households who cannot afford whole houses. Architectural design characteristics affecting design simplicity have been found to positively influence core housing affordability. Despite this, documentation on whether design simplicity has been considered in the designs of existing core houses is lacking. This is required to check imputs in future designs. Study examined reflection of design simplicity in architectural design of existing public core housing schemes in Anambra State, Nigeria, using Mixed Method approach. Data were obtained from architectural drawings of existing prototypes, field observations and personal interview protocols. Observation schedules with “Yes” and “No” ratings were used in ascertaining reflection of the attribute in each of the 7 prototypes studied. It was found featuring only in 3 out of the 7 prototypes. For affordability improvement, the paper recommends inculcating the variables constituting design simplicity in future core housing design in Anambra State.

INFLUENCE OF LOW-COST BUILDING MATERIALS ON HOUSING PROJECT IN REDUCTION OF HOUSING DEFICIT IN NAIROBI CITY COUNTY, KENYA

2019 ◽  
Vol 4 (2) ◽  
pp. 23-37
Author(s):  
Kamau Maina ◽  
Dr. Samson Nyang’au Paul
Keyword(s):  
Transformational Leadership ◽  
Real Estate ◽  
Building Materials ◽  
Low Cost ◽  
New Technology ◽  
Labour Productivity ◽  
Reliability And Validity ◽  
Value Theory ◽  
Modern Technology ◽  
Primary Data

Purpose: The purpose of the study was to explore the influence of low cost building materials on reduction of housing deficit in Nairobi County, Kenya.Methodology: The study adopted four theories: open innovations theory, the value theory, transformational leadership theory, and institutional theory. Methodologically, the study adopted a descriptive research design, while the population of this study was all the real estate firms registered by Kenya Property Developers Association (KPDA). Census technique was employed to collect data from all 69 real estate firms using questionnaires. Questionnaires were applied to collect primary data, where the researcher trained research assistants to aid the data collection procedure. A pilot-test was conducted as an approach to establishing both the reliability and validity assessments of the questionnaire. Statistical packages for social sciences (SPSS) was used to undertake both descriptive and inferential statistical computations.Results: The findings of the study established that the use of technology enhances the capability and capacity of construction firms to use an array of building materials. The study found that use of modern technology defined skilled labour because most organizations are leveraging technology as a basis of realizing competitive advantage. It also established that real estate firms utilize competent based human resource management firms to hire qualified personnel. In addition, it was evident that personality traits influenced adoption of new technology in the construction of low cost housing, whereas knowledge and attitudes, and skills were significantly attributed to adoption of new technology.Unique contribution to theory, practice and policy: In light of the research findings, the study recommends that organizations should leverage modern technology as a basis of realizing efficiency, effectiveness, and sustainability of projects. The study likewise recommends that organizations should build capacities to enhance labour productivity. In addition, the study recommends that organizations should adopt transformational leadership approaches as a basis of enhancing performance. The study recommends the need to revise the legal framework with a view to ensure that it reflects the changing needs of the project requirements.

scholarly journals Exploring the Potential of Climate-Adaptive Container Building Design under Future Climates Scenarios in Three Different Climate Zones

2019 ◽  
Vol 12 (1) ◽  
pp. 108
Author(s):  
Jingchun Shen ◽  
Benedetta Copertaro ◽  
Xingxing Zhang ◽  
Johannes Koke ◽  
Peter Kaufmann ◽  
...  
Keyword(s):  
Building Materials ◽  
Adaptive Design ◽  
Low Cost ◽  
Internal Heat ◽  
Building Design ◽  
Future Climate ◽  
Modular Construction ◽  
Climate Data ◽  
Single Family ◽  
Design Strategies

The deployment of containers as building modules has grown in popularity over the past years due to their inherent strength, modular construction, and relatively low cost. The upcycled container architecture is being accepted since it is more eco-friendly than using the traditional building materials with intensive carbon footprint. Moreover, owing to the unquestionable urgency of climate change, existing climate-adaptive design strategies may no longer respond effectively as they are supposed to work in the previous passive design. Therefore, this paper explores the conceptual design for an upcycled shipping container building, which is designed as a carbon-smart modular living solution to a single family house under three design scenarios, related to cold, temperate, and hot–humid climatic zones, respectively. The extra feature of future climate adaption has been added by assessing the projected future climate data with the ASHRAE Standard 55 and Current Handbook of Fundamentals Comfort Model. Compared with the conventional design, Rome would gradually face more failures in conventional climate-adaptive design measures in the coming 60 years, as the growing trends in both cooling and dehumidification demand. Consequently, the appropriate utilization of internal heat gains are proposed to be the most promising measure, followed by the measure of windows sun shading and passive solar direct gain by using low mass, in the upcoming future in Rome. Future climate projection further shows different results in Berlin and Stockholm, where the special attention is around the occasional overheating risk towards the design goal of future thermal comfort.

Towards a more “robust” technology? Capacity building in post‐tsunami Sri Lanka

2009 ◽  
Vol 18 (1) ◽  
pp. 55-65 ◽  
Author(s):  
Milinda Pathiraja ◽  
Paolo Tombesi
Keyword(s):  
Economic Growth ◽  
Sri Lanka ◽  
Architectural Design ◽  
Technological Development ◽  
Labour Force ◽  
Low Cost ◽  
Small Sample ◽  
Design Strategies ◽  
Output Analysis ◽  
Content Type

PurposeIn fast urbanizing economies such as Sri Lanka, the construction industry tends to fragment into almost separate spheres of production with little or no reciprocal connection in training, know‐how and career development paths, and consequent limitations in internal knowledge dissemination and technology transfer. This type of industrial compartmentalization is detrimental to the social acquisition of skills, and restricts the operational frameworks of given technologies, especially in low‐cost sectors. Against this backdrop, this paper sets out to speculate on how design can act as an engine of social and economic growth for those involved in its production.Design/methodology/approachBased on government statistics and building output analysis, the paper argues that architects can build labour policy‐making into the design of their buildings, provided that such an agenda is developed strategically, by examining the industrial base of the region, and by defining a design and technological vocabulary that feeds off the analysis of place‐specific conditions, limitations, and ambitions.FindingsThe integration of technological development and broad socio‐economic growth can be facilitated by “open” (or “incremental”) industrial design strategies aimed at connecting construction markets rather than keeping them separate. To this end, it is posited that technological contamination and compromise can help the labour force to increase its own skills progressively.Research/limitations implicationsIn practical terms, this objective translates in the definition of building implementation techniques that can adapt to the level of complexity required and the level of expenditure possible without penalizing the expected performance of the building – i.e. they must be inherently “robust” as opposed to precise and therefore more “sensitive”.Originality/valueThe paper is the first result of a thesis‐in‐progress that, on the basis of a technical review carried out on a small sample of ideal‐type projects in Sri Lanka, is considering ways to create and link labour development opportunities through architectural design.

Appropriate Ecological Strategies for Rammed Earth Wall Traditional Dwellings

2011 ◽  
Vol 368-373 ◽  
pp. 3648-3653
Author(s):  
Zhu Hui Zhang ◽  
Tao Feng ◽  
Wen Yan Pan
Keyword(s):  
Energy Consumption ◽  
Architectural Design ◽  
Building Materials ◽  
Thermal Sensation ◽  
Low Cost ◽  
Design Feature ◽  
Structural Safety ◽  
Main Question ◽  
Ecological Strategies ◽  
Rammed Earth Wall

The article is based on the investigation of traditional dwellings in Guanzhong region. Combining with the ecological architectural experiences in traditional houses, the article is starting from design feature of traditional dwellings, energy consumption, thermal sensation of dweller three aspects, it has analyzed planning layout, structure and conformation, building materials, the pattern of energy consumption, thermal comfort in traditional buildings, and realized the principal problem in existence, Through the comparison, we found the disadvantages of heat design in rural houses. Thrashing out main question which including in the traditional architectural design in Guanzhong region, Seeking out the pattern of green ecological buildings, which can fulfill the ecological energy saving buildings, facilitating function, amens- amenities, Structural Safety, and come to traditional culture in Guanzhong area, and the houses also have the low cost .

Demands and Feasibilities of Open Building in Iranian Urban Context

2008 ◽  
Vol 33 (1) ◽  
pp. 61-71
Author(s):  
Mahta Mirmoghtadaee
Keyword(s):  
Architectural Design ◽  
Building Materials ◽  
Design Principles ◽  
Legal Framework ◽  
Spatial Variations ◽  
Industrial Building ◽  
Urban Context ◽  
Life Styles ◽  
Traditional Design ◽  
Wall Structures

Traditional Iranian houses, were built of heavy, voluminous building materials resulting in massive bearing wall structures. Such buildings had fixed architectural spaces, with defined boundaries and dimensions. However, the need for adaptability was fulfilled through creating multifunctional spaces, seasonal or even daily movements in the horizontal and vertical directions of house areas, and subdivision or expansion of the primary spaces. Urbanization in Iran is leading to gradual replacement of individual houses by residential complexes and apartments in which, the use of traditional design principles was lost, while solutions to enhance adaptability in the internal layouts have not yet developed. The paper concludes that open building may provide practical tools to enhance spatial variations in the new conditions. However, to take the first step towards this approach in Iran, some major issues such as "legal framework", "changing needs of Iranian families", "Iranian life styles" and "situation of industrial building production in Iran" have to be analyzed. Considering the mentioned factors, some recommendations for architectural design are proposed.

Interfacial interactions between urea formaldehyde and cellulose nanofibrils (CNFs) of varying chemical composition and their impact on particle boards manufacture (PBs)

2021 ◽  
Author(s):  
Maria C. Iglesias ◽  
Philip S. McMichael ◽  
Osei A. Asafu-Adjaye ◽  
Brian K. Via ◽  
Maria S. Peresin
Keyword(s):  
Chemical Composition ◽  
Building Materials ◽  
Colloidal Stability ◽  
Low Cost ◽  
Urea Formaldehyde ◽  
Cellulose Nanofibrils ◽  
Global Market ◽  
Modulus Of Rupture ◽  
Superior Performance ◽  
Interfacial Interactions

Abstract Wood-based panels are commonly used as building materials for interior and exterior purposes. Their production and utilization have increased over the past decades due to the useful properties they present. Adhesive-bonded products make up to 80% of the wood alternatives on the global market, and of that, urea-formaldehyde (UF) makes up approximately 81% of the resins used. Formaldehyde-based resins are used due to their effectiveness and low cost, as well as their ease of application and lack of color. Nevertheless, their main disadvantages are the lack of tackiness and the emission of formaldehyde over time. To improve UF performance, the utilization of microfibrillated cellulose, has been demonstrated to be effective. However, more understanding on the mechanisms of the interactions is of relevant importance. In this work, we studied interfacial interactions between UF with bleached (BCNF) and unbleached (LCNF) cellulose nanofibrils using Quartz Crystal Microbalance with dissipation monitoring (QCM-D) technique observing the superior performance of lignin-containing CNF. Additionally, the surface free energies were investigated using Contact Angle Measurements (CA) showing a decrease of the values mainly when utilizing LCNF, which was later correlated with the wettability properties of the particle boards (PBs). PBs with different adhesive/CNF formulations were produced showing larger improvements when adding LCNF in terms of modulus of elasticity (MOE), modulus of rupture (MOR), and internal bonding (IB). To gain a better understanding on the interactions between CNF and UF, CNF was fully characterized in terms of morphology, chemical composition, charge density, as well as thermal and colloidal stability.

Statistical Modeling, Optimization and Kinetics of Mn2+ Adsorption in Aqueous Solution Using a Biosorbent

2019 ◽  
Vol 233 (8) ◽  
pp. 1201-1214 ◽  
Author(s):  
Elaheh Tajari ◽  
Narges Samadani Langeroodi ◽  
Mahnaz Khalafi
Keyword(s):  
Wheat Bran ◽  
Low Cost ◽  
Weight Ratio ◽  
P Value ◽  
Core Shell ◽  
Optimal Conditions ◽  
Solution Ph ◽  
Shell Weight ◽  
Removal Ratio ◽  
Kinetics Of

Abstract This paper describes the adsorption of Mn2+ ions from water with a mixture of wheat bran and Japanese medlar core shell (weight ratio of 30–70 wheat bran to Japanese medlar core shell) as low-cost adsorbent. Scanning Electron Microscope was used to characterize the adsorbent. The response surface methodology (RSM) that is usually approximated by a second-order regression model was employed to evaluate the effects of solution pH, initial Mn2+ concentration, adsorbent weight and contact time on the removal ratio of the Mn2+ ions. In this regard, the significant variables initial Mn2+ ions concentration, pH, adsorbent weight and square pH were found based on the small P-value for the model coefficients. The predicted optimal conditions were also performed. In the process optimization, maximal value of the removal ratio of Mn2+ was achieved as 96.91%. Additionally, this paper discusses the kinetic of adsorption in optimal conditions.

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