Abstract-Wood consumption as building material and componentin Indonesia is still considerably high. This affects forest destruction, in a way that most of the wood production still roots from wood forests. Hence, the demand of these woods better be supplied from other source, one of them is through using used woods. Used wood utilization in building construction is an application of reuse and recycle strategy in sustainable material concept. Due to the assumption among the people that used woods have low performance its utilization is nowadays limited. This paper addresses the result of research and laboratory test on a range of used wood samples collected from Jakarta great area (Jabodetabek), consist of 5 technical parameters: water content, density, compressive strength, flexure strength, and tension strength. The research proves that based on certain parameters, used woods perfom technical capacity as good as -or even better than -newly produced woods.
One of the major disasters in Indonesia within the last two decades was the 2006 earthquake in Yogyakarta. The earthquake prompted the government to assist the victims by rebuilding their houses through the post-disaster housing programs. Usually, when designing post-disaster relief houses, aspects such as mass-production speed, building strength, and other functional aspects became the main priority. Consequently, local culture, each occupant’s uniqueness, and particular needs are often forgotten to be accommodated in the house. These issues can be solved by applying the flexible housing concept where a house can change according to its users’ needs and adjustments to specific patterns as demographics, economy, and the environment. However, previous precedents of houses built with this concept tend to use a frame structure system that is more flexible to modify within the long term. Thus, this research raises a case study of post-disaster relief houses in Yogyakarta built after the 2006 earthquake, which uses a dome structure. Interviews and on-site observation were applied to investigate whether flexible housing applications can be implemented in the house. Overall, this domeshaped post-disaster house is still far from being categorized as flexible housing.
A Buddhist temple is a sacred Buddhist space where the building users require certain visual comfort conditions. The issue is that the temple's architectural style varies according to the local context and the type of belief it teaches. Implementing certain architectural styles will affect the interior space's artificial lighting design, which eventually affects the visual comfort of building users. Therefore, this study aims to determine the effect of artificial lighting on the building user's visual comfort in two different temple case studies that use dissimilar architectural styles in Medan City, Indonesia. Two data collection methods were used in this study. The first was by measuring the room's illumination level using a handheld lux meter. Secondly, through a survey/ questionnaire to find out user's perception of visual comfort related to the usage of artificial lighting during two activities in the sacred space in the temple: praying and reciting the Sutras. As a result, the two temples were identified using almost the same principle of applying artificial lighting, which aligns with Buddhism's purpose of enlightenment, 'the journey from dark to light.' The data collection results also show similar results. Both have illumination levels below the number stated in the visual comfort standards. While on the contrary, the majority of survey respondents from both cases felt visually comfortable during their activities in the case study. This study proves that the lighting design capable of providing positive visual impacts for users can rely on the technique and method of applying lighting distribution.
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