DKI Jakarta has been the most prospective destination for Indonesian low-income urban migrants to find jobs. The need for affordable housing for low-income people increase along with the rise of low-income urban migrants’ number. Providing houses for Indonesian low-income people has become the Indonesian government’s concern as the housing providers for many years. There were unmatched between the housing government-supplied and the demands of the low-income people. Low-income people have unique preferences in choosing their residences. Moreover, the previous studies show one’s preferences on housing develop over one’s lifecycle, namely housing career. The preferences for living space is one of the house attribute importance that considered in choosing a residence. This paper will discuss the low-income people preferences on the living spaces and the changes of these preferences over their lifecycle, especially in their early housing career. The research method used distribution of living space preference changes by selected independent variables and bivariate statistical analysis with Pearson Contingency Coefficient. The study took five of the most populated districts in DKI Jakarta and used snowball sampling on 420 respondents. The paper discussion only focuses on 369 of 420 respondents who have at least 2-residence-career, while the other respondents have never moved out from their first residence. This study found that the majority of respondents consider living space when choosing their residence, and almost half of the preferences change along with the changes in the lifecycle. The results of this study are expected to be a consideration for the Indonesian government in providing affordable housing for Indonesian low-income people.
The substructure is an essential part of vernacular buildings, especially in an earthquake region. The substructure durability is proven since the vernacular house sustains while modern house destructed after the experienced earthquake. The use of substructure in the earthquake region is dominated by the stepped on stone pillars while the non-earthquake territory is dominated by pierced to the ground pillars. Researches hypothesized vernacular buildings in the ring of fire area will stable uses a stepped on the stone substructure and the joint wood system which interlocks the blocks. The purposes of this research are to determine whether the substructure can withstand the existing load, including earthquake and the wood material performance related to its durability in facing the weather and destructive biological factor. The test was done using a monotonic testing method to analyze the load exposed to the substructure. The moisture testing was also conducted in wood materials using Wood Moisture Detector MD818, and wood chemical structure was tested using FTIR. The result showed that the Aceh vernacular house was able to withstand earthquake load, including durable construction and material system. Aceh Besar vernacular house durability on earthquake was influenced by structure properties with a ductile value of 2.27.
The possibility of using plastic waste to manufacture hybrid bio-composite materials with the dry husk of Asian rice (Oryza sativa L.) is investigated. The most polluted and unsustainable plastic waste is High-Density Polyethylene (HDPE) due to its single-use, which decreases in quality if it is reused is selected. The mixtures chosen are local natural fiber and easy to find, potentially a preliminary study of a composites building material. Furthermore, to improve the tensile properties of this hybrid bio-composite material, an additional organic filler is used, such as rice husk (Oryza sativa L.) in a combination of 10%, 12%, and 15%. Samples for this study were processed using the hot press methods based on ASTM D882. Tested for tensile strength, modulus young, yield stress, and elongation is carried out to see an increase in the performance of the biocomposite material. The test results show that the best tensile properties are samples with 12% rice husk, resulting in excellent sample compatibility proofed by Scan Electron Microscopy to study bio-morphological composites. This project has shown that the composites based on natural fiber will be potential building materials due to their improved tensile properties.
Public transportation, especial trains, is widely used by the community as a means of transportation and, generally, people walk as a part of using public transportation modes. The existence of pedestrian space is important as a connector between modes of transportation or destinations. This writing discusses the effect of space accessibility and permeability in the mobility of train stations. Space accessibility and permeability are the convenience and continuity of space equipped with its facilities. This is related to the ability of the environment to present a pedestrianfriendly environment known as walkability. Walkability accommodates its environment with several aspects considered in environmental factors.
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