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Nurru Alfi Fazri Furau'ki
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INDONESIA
JOURNAL OF APPLIED SCIENCE (JAPPS)
Published by Institut Teknologi Sains Bandung
ISSN : 26567288     EISSN : 26567334     DOI : https://doi.org/10.36870/japps
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Journal of Applied Science (JAPPS) is a collection of scientific articles relating to the field of applied science which includes engineering and design. This journal discusses the scientific development of engineering in the fields of civil engineering, mining engineering, metallurgical and material engineering, petroleum engineering, and engineering in other fields. In addition, it also contains scientific articles in the field of planning such as urban and regional planning and Architecture which is balanced with design in the fields of Product and Interior Design. In the process, this journal involves the reviewer with a minimum doctoral qualification from domestic and foreign universities affilitations. In addition, it also involves observers from industry and the government with appropriate qualifications in the field of review. JAPPS will be published twice a year, in February and August with different topics for each volume. In its future development, JAPPS will be published in two versions: Indonesian and English.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 6 Documents
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Search results for , issue "Vol 2, No 2 (2020): Journal of Applied Science (JAPPS)" : 6 Documents clear
Kajian Perubahan Nilai Konduktivitas Termal pada Bata Ringan dengan Penggunaan Crude Palm Oil (CPO) sebagai Bahan Penyimpan Kalor Lia Laila; Asep Yunta Darma
JOURNAL OF APPLIED SCIENCE (JAPPS) Vol 2, No 2 (2020): Journal of Applied Science (JAPPS)
Publisher : Institut Teknologi Sains Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36870/japps.v2i2.181

Abstract

Indonesia is the largest producer of Crude Palm Oil (CPO) in the world. The use of CPO is mostly for edible oils and biofuels. Even though CPO potential is huge, the development of CPO in other forms is still limited. CPO has a melting point of 25˚C - 50˚C which is suitable to be develoved in the environment of Indonesia. This characteristic allows CPO to be used as phase change material. This study examines the use of CPO as a material to reduce the thermal conductivity of light bricks. The idea is to make the brick as a building material has the ability to maintain room conditions from fluctuative ambient temperatures. The results showed that the addition of effective CPO to reduce the thermal conductivity of light bricks was 2.5 to 7.5 ml per 160 cm3.
Penerapan Analitycal Hierarchy Process (Ahp) dalam Menentukan Lokasi Pabrik Tempe Cahyaning Kilang Permatasari
JOURNAL OF APPLIED SCIENCE (JAPPS) Vol 2, No 2 (2020): Journal of Applied Science (JAPPS)
Publisher : Institut Teknologi Sains Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36870/japps.v2i2.182

Abstract

Nowadays, tempe household industry entrepreneurs must choose the right factory location. Location is very influential for develop of a company, besides it can minimize problems in the future. The purpose of this study was to determine the percentage of priority criteria in selecting factory locations. The results of the calculation of priority criteria, it is hoped that entrepreneurs will find it easier to determine a suitable location to build a tempe factory. This research was conducted in Karanganyar Regency. The method used to determine the priority criteria for selecting the tempe factory location is Analytical Hierarchy Process (AHP) method. After through the process of obtaining data and analyzing calculations using Microsoft Excel, the percentage result of the criteria are geological and climatic conditions (34.67%), availability of labor (26.94%), market and marketing distance (14.93%), transportation facilities (11.36%), supporting facilities and utilities (7.08%) and distance to the location of raw material suppliers (5.02%). This criterion combines several aspects based on the level of importance, so that the results of the order in selecting the location of the tempe factory will be more objective
Evaluasi Sertifikasi Green Building pada Gedung Institut Teknologi & Sains Bandung Siti Mega Rosalia; Annisa Annisa; Siswanti Zuraida
JOURNAL OF APPLIED SCIENCE (JAPPS) Vol 2, No 2 (2020): Journal of Applied Science (JAPPS)
Publisher : Institut Teknologi Sains Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36870/japps.v2i2.183

Abstract

Global warming is one of the world’s prominent issue that related to the environment. As a support to reduce the causes of global warming, Institut Teknologi dan Sains Bandung (ITSB) has applied a concept of green building and got the greenship building’s certificate since 2013 2016 with the result score was 64 points or gold category of Green Building of Council Indonesia (GBCI). This study aims at evaluating the existing building of ITSB for knowing the new result score of greenship building’s certification. This results score can be a simple directive for ITSB to do the new certification. The collecting data that used were partisipative observation, interview, and quisionnaire as the primary data and literature as the secondary data. The evaluative-descriptive qualitative methods was used to analyze data. The evaluating of Greeship Existing Buildings using an assessment from GBCI with 6 parameters, those parameters are Approprite Site Developent (ASD), Energy Efficiency and Conservation (EEC), Water Conservation (WAC), Material Resource and Cycle (MRC), Indoor Health and Comfort (IHC) , and Building Environmental Management (BEM). The result of this research show that the accumulation of the scores of 6 parameters were 47 points, it means that ITSB could receive the bronze category on Greenship Existing Building.
Simulasi Pemodelan Numerik Hidrodinamika dan Aliran Sedimen pada Bendung PLTA Musi – Bengkulu Asep Irwan; Dimas Setiya Gunawan; Martin Wahyunus; Hadi Mulyanto
JOURNAL OF APPLIED SCIENCE (JAPPS) Vol 2, No 2 (2020): Journal of Applied Science (JAPPS)
Publisher : Institut Teknologi Sains Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36870/japps.v2i2.179

Abstract

This research aims to identify Hydro-Power Plant (PLTA) sedimentation in Musi-River, Bengkulu, Indonesia. Based on field observation and simulation modeling Surface Modeling System 8.01. High sediment levels cause accumulation of reservoirs and loss of direct storage, which in turn causes loss of production potential for the Musi Hydro-Power Plant, Bengkulu. The data used in this modeling are bathymetry, current velocity of measurement results, water level, and grain size of sediment. Based on field observations, it was found that basic sediment types were dominated by silt and sand. The highest elevated sediment content values of 0.166 gr/l, current velocity in the upstream was 0.54 - 0.61 m/s while the middle section was 0.43 m/s. After the hydrodynamic model is carried out, then the sedimentation model has values that vary throughout the area model, this is influenced by several factors, one of which is the current movement that can affect the amount of water bottom friction. Volume of sediments obtained in the weirs at the PLTA Musi is 211,588 m3 during the simulation of 1 month if multiplied in 1 year, then it obtained 2539,056 m3. From the results of this research, PLTA Musi must prevent this sedimentation bymaking sediment traps in the upstream.
Analisis Perbandingan Kehilangan Prategang Akibat Variasi Letak Tendon PC I Girder Jembatan Beton Prategang Ibham Yamin; Siswanti Zuraida; Ilham Ilham
JOURNAL OF APPLIED SCIENCE (JAPPS) Vol 2, No 2 (2020): Journal of Applied Science (JAPPS)
Publisher : Institut Teknologi Sains Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36870/japps.v2i2.184

Abstract

Prestressed force loss always occurs in prestressed concrete (loss prestressed). The most common form used in pre-tensile beams is straight tendons and for post-tensile beams are curved tendons. In planning a prestressed concrete bridge structure, the loss of prestressed force must be considered, because the stress on the prestressed concrete tendon decreases continuously over time. The number of factors that are interrelated, for the effectiveness of the design, location of tendons along the spans need to be considered, so that the tensile strength that occurs in the extreme fiber beam is limited or none at all in the cross section. This final project will examine the shape of the PC beam I Girder with 4 tendon setting conditions namely straight tendon cable which is on the neutral axis so that the eccentricity = 0 (condition1), straight tendon cable which is at 1/6 h so that the eccentricity ≠ 0 (condition 2), tendon cable with draped / parabolic shape (condition 3), and tendon condition with harped shape (condition 4). The biggest prestressed loss results were PC I Girder (condition 2) = 395.81 MPa (26.07%), while the smallest prestressed loss is PC I Girder (condition3) = 367.44 MPa (24.2%). Condition 1 and 2 in girder is not suitable for use because it exceeds the value of the allowable stress at the limit of prestressed and deflection permits on girder are safe for each condition.
Eksplorasi Material Semen untuk Pengembangan Produk Elemen Estetik I Ketut Suarna
JOURNAL OF APPLIED SCIENCE (JAPPS) Vol 2, No 2 (2020): Journal of Applied Science (JAPPS)
Publisher : Institut Teknologi Sains Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36870/japps.v2i2.180

Abstract

Cement is a unique material, initially as the base material with the mainfunction as an adhesive for other materials whose existence is always covered. Nowdays, the application of cement materials in interior elements appears to be more honest. Natural ash color and cement characteristics are interesting things to be exposed. The use of cement material has also grown not only limited to the elements that make up space (floors, walls and ceilings), but has stepped into space facilities (furniture) and aesthetic elements. Through a series of experiments with the "design by doing" method, experiments were carried out by giving chemical treatments such as foam agents, adding magnesium carbonate powder and adding magnesium oxide to the base materials (cement, cement + sand) to explore and discover various potentials, uniqueness, peculiarities and lighter feature as new ideas in aesthetic elements product development in interior design. The results obtained from a series of experiments showed differences in the cement concrete characteristics through its texture, shape, number and size of pores and difference in weight .

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