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All Journal Jurnal Teknik Sipil INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY
Andi asiz, Andi
Lecturer at the Department of Civil Engineering University of New Brunswick, Canada.
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Energy Environmental Science

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Factory-Built Housing in Indonesia: Current Practice and Future Challenges asiz, Andi; Munaf, Dicky R
Jurnal Teknik Sipil Vol 12, No 3 (2005)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.908 KB)

Abstract

Abstract. Recent earthquake and tsunami in Aceh and North Sumatra has left Indonesia big responsibility in fulfilling housing need for people who lost their homes after this calamity. Use of mass-produced, factory-built systems for housing construction is technology that can be used as a solution to this problem. Factory-built housing can be defined as houses that are partly or all constructed in factory environment, then are transported and erected/assembled at permanent site. This paper is a summary of recent practices and potential development of factorybuilt housing in Indonesia by considering several Indonesian National Standard (SNI) which available. The aim of this paper is to explain the possibility of factory-built housing technology in Indonesia. The study synthesises information collected from review and analysis of trade and scientific literatures, a series of site visits to factorybuilt housing companies in industrialized countries; and discussions with academic institutions and building regulators in Indonesia. Definitions and types of factory-built systems are presented first followed by discussion of practical, regulatory, standards, and scientific issues applicable in Indonesia. Findings are identified as potential research needs in factory-built housing.Abstrak. Gempa dan tsunami yang baru terjadi di Aceh dan Sumatera Utara mengharuskan pemerintah Indonesia untuk menyediakan perumahan untuk masyarakat yang kehilangan rumah pasca musibah tersebut. Penggunaan sistem produksi massal konstruksi perumahan adalah suatu bentuk teknologi yang dapat dipakai untuk memecahkan masalah. Perumahan fabrikasi didefinisikan sebagai perumahan yang komponen-komponennya diproduksi di pabrik, kemudian dikirim dan dirangkai pada suatu tempat permanen. Makalah ini adalah ringkasan dari kondisi saat ini dan melihat potensi pengembangannya di Indonesia dengan mempertimbangkan SNI yang tersedia. Maksud dari paper ini adalah menjelaskan kebolehjadian penerapan teknologi perumahan fabrikasi di Indonesia. Studi yang dilakukan merupakan sintesa dari pengumpulan informasi dari kaji ulang dan analisis penerapan maupun kaji pustaka serta hasil kunjungan ke beberapa perusahaan terkait di negara maju, juga diskusi dengan institusi akademik dan regulator di Indonesia. Definisi dan jenis sistem perumahan fabrikasi ditampilkan yang disertai diskusi dari aspek praktis, regulasi, standard dan masalah saintifik di Indonesia. Dari pembahasan yang diberikan, ditemukan beberapa hal yang kiranya dapat menjadi potensi riset tentang topik yang dibahas.
UTILIZATION OF HIGH-VOLUME FLY ASH AS A SUPPLEMENTARY CEMENTITIOUS MATERIAL IN ENVIRONMENTALLY FRIENDLY CONCRETE Sunarno, Yohans; Rangan, Parea Rusan; Ambun, Ermitha; Asiz, Andi; Tumpu, Miswar; Rinanti, Astri; Oksri-Nelfia, Lisa
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 7, NUMBER 1, APRIL 2024
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v7i1.19658

Abstract

Innovations in material technology are expected to reduce the use of commercial cement and replace it with other environmentally friendly materials with the same performance as normal concrete. Aim: This study aim to analyze the mechanical property of High-Volume Fly Ash Concrete (HVFAC) using F class fly ash with different mix percentages. Methodology and Results: The experiment was conducted in laboratory scale. Four variations of test specimens consisted of: 1 variation (F0), which is conventional concrete with 100% Portland cement as control specimen, and three variations of HVFC (F70, F80, and F90), which were made with fly ash content (%) 70, 80, and 90 of total cementitious. Fresh concrete testing to determine workability, while hard concrete testing is done by density and compressive strength tests at the age of 3, 7, and 28 days on specimens that have been treated with the water submerged curing method. Conclusion, significance, and impact of study: All HVFAC specimens fulfill the Self Compacting Concrete (SCC) category. The compressive strength test results at 28 days showed that the addition of fly ash percentage caused a decrease in compressive strength values in all HVFAC variants, but still exceeded the minimum requirements of high and medium quality concrete. All HVFAC variations meet the requirements of ASTM C618-23 based on the evaluation of Strength Activity Index (SAI) values at 7 and 28 days of age. The utilization of 90% fly ash as a cement substitute resulted in an environmentally friendly concrete product based on the concept of cleaner production.
Co-Authors Ambun, Ermitha Dicky R Munaf, Dicky R Oksri-Nelfia, Lisa Rangan, Parea Rusan Sunarno, Yohans Tumpu, Miswar