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All Journal Jurnal Reka Lingkungan Journal of Architecture & Environment Local Wisdom : Jurnal Ilmiah Kajian Kearifan Lokal ARTEKS : Jurnal Teknik Arsitektur Journal of Islamic Architecture Journal of Architectural Research and Design Studies Journal of Architectural Design and Urbanism INSIST (International Series on Interdisciplinary Research) International Journal on Livable Space
widyarko, widyarko
Departemen Arsitektur, FT Universitas Indonesia
Arts Humanities Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Environmental Science Other

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MATERIAL LOOPS POTENTIAL IN POST-DISASTER TRANSITIONAL SHELTER: LEARNING FROM 2010 MERAPI ERUPTION Widyarko Widyarko; Khalda Fadhilah Arisya; Nisrina Dewi Salsabila; Linda Firlie Pratiwi
Journal of Architecture&ENVIRONMENT Vol 20, No 1 (2021)
Publisher : Department of Architecture, Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2355262x.v20i1.a7777

Abstract

Due to the geographic condition of the country, Indonesia is very vulnerable to natural disasters (BNPB, 2017). As a response, this country has various mechanisms of assistance to disaster-affected communities and assistance to fulfil basic needs for disaster victims, one of which includes the provision of ‘huntara’ as temporary shelter for the victims (BNPB, 2008). Because of its temporary nature, transitional shelters in Indonesia generally have a relatively short life cycle of building materials and may produce quite the amount of waste which would be harmful to the environment. This study attempts to understand the material life cycle process in transitional shelters built during the eruption of Mount Merapi Eruption in 2010. This study uses the approach of qualitative research with two main data collection methods—observations and interviews. This study found that the design of transitional shelter for this disaster had allowed for most of the building components to principles of Design for Disassembly, which supports the potential for material loops to occur and possibly to fulfil the characteristics of sustainable transitional shelter. However, neither the victims nor the aid providers were fully aware of this potential: thus, it could not be optimally utilised. This condition is quite unfortunate, considering that Indonesia is very prone to disasters so that transitional shelters will often be needed. Therefore, further studies are required to formulate various design standards for transitional shelter in Indonesia to optimise the potential for longevity and minimise environmental impacts.
Sustainable Material : Used Wood As Building Material Dalhar Susanto; Widyarko Widyarko
INSIST Vol 2, No 1 (2017)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (311.878 KB) | DOI: 10.23960/ins.v2i1.26

Abstract

Abstract–Wood consumption as building material and component in 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.Keyword –  sustainable, material, used wood
Pet Plastic Bottle Waste with Reuse Approach as Interior Pre-Fabrication Modules for Interior Wall Ignatius Adrian Santana; Dalhar Susanto; Widyarko Widyarko
INSIST Vol 2, No 1 (2017)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2227.613 KB) | DOI: 10.23960/ins.v2i1.29

Abstract

Abstract—PET plastic bottle is one of the main source of  waste in big cities. This research aims to find out the possibility of reusing PET bottle as pre fabrication wall module material. The pre fabrication concept were offered so that in the construction phase, the instalation of this material will be fast, efficient, and able to minimalize the waste potential. The method to decided the PET bottle specimen was by surveying some sample location in Jakarta to found out the type and capacity of PET bottle waste. Bottle waste that has the highest volume, was selected to be the speciment for further experiment as pre fabrication modul. To determine the strength capacity of this material, some module variation were designed for compressive and flexural strength test. This research is a preliminary experiment to understanding the basic potential of PET bottle as building material. This research expected to support the use of PET bottle waste for other uses in building constructionKeywords— reuse, PET bottle, pre-fabrication, module.
Natural Fiber Waste from Palm Oil Tree: An Overview of Potential Usage for Indonesia’s Affordable House Building Materials Widyarko Widyarko; Naresworo Nugroho; Dalhar Susanto
Journal of Architectural Research and Design Studies Vol. 5 No. 1 (2021)
Publisher : Departement of Architecture, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jars.vol5.iss1.art3

Abstract

The palm oil plantation in Indonesia is an overgrowing industry that also poses significant environmental waste problems. The industry produces numerous unused biomass wastes such as EFB (Empty Fruit Bunch), PKS (Palm Kernel Shell), tree trunks, fronds, etc. On the other hand, the national housing backlog number in 2019 had reached 7.6 million units. The government had launched several housing programs to tackle this ever-repeating issue. Yet, all of the plans failed to solve the housing shortage. A new approach is needed to provide a cheap, affordable, and more environmentally friendly affordable house. Previous studies proved that palm oil fiber waste could be altered into building materials such as lumber and other biocomposites like particleboard, fiberboard, plywood, etc. Consequently, by using the construction scheme in the RSH affordable house program released in 2002, palm oil fiber waste should be able to displace conventional wood in most of its parts. That is why there is no reason to halt implementing palm oil fiber waste as building materials, especially to build an affordable house. Therefore, the burden of Indonesia's never-ending housing backlog problems should be eased by converting its over-abundant palm oil fiber waste as its building materials new renewable sources.Keywords: affordable house; alternative materials; bio-composite; palm oil fiber waste
The Effect of Lighting Intensity on Visual Comfort in The Sacred Space Of Buddhist Temple Vivianie Fortuna; Widyarko Widyarko; Joice Sandra Sari
Journal of Architectural Design and Urbanism Vol 4, No 2 (2022): Vol 4 No 2, 2022
Publisher : Department of Architecture, Faculty of Engineering, Universitas Diponegoro, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jadu.v4i2.14134

Abstract

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.
THE ACOUSTIC QUALITY OF SEKOLAH ALAM CLASSROOM (CASE: SEKOLAH ALAM IN BANDUNG) widyarko widyarko
International Journal on Livable Space Vol. 5 No. 1 (2020): QUALITY OF PLACE AND SPACE
Publisher : Jurusan Arsitektur - FTSP - Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (550.648 KB) | DOI: 10.25105/livas.v5i1.5970

Abstract

ABSTRACT Sekolah Alam (The Nature School) is a new concept of school in Indonesia that divide its learning process, both indoor and outdoor. As it needs more outdoor space for learning activity, this type of school has larger yards yet smaller classroom compared to conventional school. As it is still new, no previous study has been done to understand the relation between space dimensions, building material, and surroundings to this school classroom acoustic quality. Therefore, this journal studied acoustic quality by calculating Reverberation Time (RT60) and measuring Background noise value of one typical class of Sekolah Alam in Bandung. Reverberation Time (RT60) was calculated using space dimensions and materials that exist within the studied classroom, while the background noise value was measured using Data Logging Sound Level Meter (SLM). The results indicate that the studied class has an ideal acoustic quality for learning activity. The main factors that affected these results are the classroom has a small size in volume and surrounded by lush trees which work as noise controls. Keywords: Reverberation Time; Background Noise; Sekolah Alam; Nature School; Classroom; Elementary School
Rumah Gadang Transformation: Assessment on Sustainable Building Materials Canrath, Gabriella Ananta; Widyarko, Widyarko; Salsabila, Nisrina Dewi
Local Wisdom Jurnal Ilmiah Kajian Kearifan Lokal Vol. 14 No. 1 (2022): January 2022
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/lw.v14i2.6418

Abstract

The existence of Rumah Gadang is currently threatened due to the rarity of local/traditional materials and the cultural shifts within the Minangkabau people. Some of the surviving Rumah Gadang had undergone modernization in its form due to the use of modern materials such as concrete, zinc, etc. New questions arise whether the application of these modern materials can be considered sustainable for the Rumah Gadang. This study aims to compare the level of sustainability on the Rumah Gadang building material cycle before and after the modernization. This study conducted a case study of Rumah Gadang Padang Laweh, using a qualitative research approach with two data collection methods: observation and interviews. The collected data were then analyzed using the 'Green Feature' parameters, consisting of 15 assessment points. The study reveals that the building materials in the pre-modernized Rumah Gadang (25/30) show a higher sustainability value than the modernized ones (18/45).
DAMPAK ERA ‘NEW NORMAL’ TERHADAP TIMBULAN DAN KOMPOSISI SAMPAH DI GEDUNG PERKULIAHAN PERGURUAN TINGGI: STUDI KASUS GEDUNG S FTUI Defiana, Fifi; Dewi, Ova Candra; Panjaitan, Toga; Widyarko, Widyarko; Sulistiani, Coriesta Dian
Jurnal Reka Lingkungan Vol 11, No 3 (2023)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekalingkungan.v11i3.209-219

Abstract

AbstrakGedung dan komplek perguruan tinggi hingga kini masih mengelola sampahnya dengan menggunakan sistem kumpul, angkut dan buang. Namun, dengan merebaknya wabah COVID-19 yang lalu ikut juga menghentikan kegiatan perkuliahan pada gedung-gedung perguruan tinggi. Namun sejak wabah COVID-19 mulai dapat dikendalikan, seluruh kegiatan kembali berjalan dengan skenario ‘new normal’. Perubahan pola penggunaan gedung selama masa ‘new normal’ berpotensi juga mempengaruhi timbulan dan komposisi sampah yang dihasilkan. Untuk itu, penelitian ini bertujuan untuk mengkaji perbandingan jumlah timbulan dan komposisi sampah pada gedung kuliah saat sebelum pandemi COVID-19 dan pada era ‘new normal’. Metode penelitian menggunakan mixed methods, dengan studi kasus menggunakan gedung S yang merupakan gedung perkuliahan umum yang belokasi di FTUI, Kota Depok. Penelitian ini menunjukkan bahwa jumlah mahasiswa yang hadir pada era ‘new normal’ hanya 57,6% dari mahasiswa yang terdaftar, namun timbulan sampah yang dihasilkan sebesar 81,44 kg/hari, atau sebesar 0,04 kg/hari/mahasiswa atau dua kali lebih banyak dari sebelum pandemi COVID-19, dengan komposisi sampah 61,40% adalah sisa makanan dan kemasan makanan dan 38,60% adalah sampah plastik. Hal tersebut karena adanya perubahan gaya hidup sebagian besar mahasiswa. Bertambahnya timbulan sampah saat ‘new normal’, membuat pengelolaan sampah pada Gedung S perlu disesuaikan kembali dengan komposisi sampah yang dihasilkan, dengan menerapkan konsep 3R.Kata kunci: Pengolahan sampah, gedung kuliah, era ‘new normal’AbstractBuildings and university complexes still manage their waste using a collection, transport and disposal system. The recent outbreak of the COVID-19 outbreak also stopped lecture activities in university buildings. However, since the COVID-19 outbreak began to be controlled, all activities have resumed with a 'new normal' scenario. The amount and makeup of waste generated are impacted by this change. This research aims to examine the comparison of the amount of waste generation and composition in lecture buildings before the COVID-19 pandemic and in the 'new normal' era. The research uses mixed methods, with a case study using S Building, a public lecture building located at FTUI, Depok. This research shows that the number of students attending in the 'new normal' era was only 57.6% of registered students, but the waste generated was 81.44 kg/day, or 0.04 kg/day/student, twice more than before the COVID-19 pandemic, with a waste composition of 61.40% being food scraps and food packaging and 38.60% being plastic waste. This is due to changes in the lifestyle of most students. This increase in waste generation means that waste management in S Building needs to be readjusted to the composition of the waste produced, by applying the 3R concept.Keywords: waste management, college buildings, the ‘new normal’ era
Uncovering the Influence of Mosque Openness on Speech Intelligibility: A Simulation Study Heruputra, Muhammad Harish; Widyarko, Widyarko; Susanto, Dalhar
Journal of Islamic Architecture Vol 8, No 4 (2025): Journal of Islamic Architecture
Publisher : Department of Architecture, Faculty of Science and Technology, UIN Maliki Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/jia.v8i4.23828

Abstract

Mosques, serving as places of worship for Muslims, require a high level of speech intelligibility to achieve the solemnity of worship. Due to rising urban temperatures, many mosques in tropical urban areas are transitioning from their previously open-designed condition, relying more on natural ventilation, to enclosed ones by leaning more on artificial ventilation. This study aims to understand the influence of space openness on speech intelligibility in mosques. Speech intelligibility measures how clear a voice is in a room and is measured by the speech transmission index (STI) method. This research utilizes the quantitative approach, integrating site observations, on-site measurements, and computational simulations. Focused on Masjid UI as the case study, the study simulates open and enclosed design configurations across three scenarios: full, half-full, and empty rooms. The results show that a mosque with an open design has a higher STI than a mosque with an enclosed design. However, the difference is insignificant due to several supporting factors in the existing condition, such as the square-shaped plan design with a pyramid dome, equal loudspeaker sound distribution, and a crowded worshippers’ condition.
Daylight And Artificial Lighting Integration In Achieving Lighting Uniformity In Educational Building Hazimah Ulfah Az Zaky; Ova Candra Dewi; Widyarko; Coriesta Dian Sulistiani
Journal of Architectural Research and Design Studies Vol. 7 No. 1 (2023): May
Publisher : Departement of Architecture, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jars.vol7.iss1.art5

Abstract

Educational buildings in Depok City typically have deep classroom plans, which pose a challenge in achieving good uniformity of lighting distribution throughout the room. Therefore, this study aims to investigate the integration of daylight and artificial lighting to achieve lighting uniformity, especially in classrooms of educational buildings in Depok City. This paper simulated the combinations of Light Shelves (LS), horizontal blind curtains, and artificial lighting dimming systems through Dialux software to explore and discuss the illumination distribution of daylight in the classroom. The combinations were arranged in 7 different strategies and were carried out in average sky conditions. The strategy simulation results show that lighting uniformity is optimally achieved in strategy 3 with 0.74 lux and strategy 7 with 0.72 lux. These results prove an increase in the uniformity of daylight in the classroom by 0.49 lux with LS and 0.58 lux with horizontal blinds but still requires artificial lighting with 50% dimming. Keywords: Dimming; Horizontal blind curtain; Lighting uniformity; Light shelves.
Co-Authors Canrath, Gabriella Ananta Coriesta Dian Sulistiani Dalhar Susanto Dalhar Susanto Defiana, Fifi Hazimah Ulfah Az Zaky Heruputra, Muhammad Harish Ignatius Adrian Santana Joice Sandra Sari Khalda Fadhilah Arisya Khalda Fadhilah Arisya Linda Firlie Pratiwi Linda Firlie Pratiwi Naresworo Nugroho Nisrina Dewi Salsabila Nisrina Dewi Salsabila Nisrina Dewi Salsabila Ova Candra Dewi Panjaitan, Toga Salsabila, Nisrina Dewi Vivianie Fortuna