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INDONESIA
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia
Published by Universitas Tribhuwana Tunggadewi
ISSN : 25033654     EISSN : 25032682     DOI : -
Core Subject : Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering
Focus and Scope of this journal are : Chemical Engineering including : bioenergy processing, environmental engineering, natural resource management, Heat and Mass Transfer, Chemical Reaction, Analytical Chemistry, Biochemistry, Designing tools and chemical processes, Chemical industry process, Computing and modeling (simulation) process, Particle and nano technology, membrane technology, esessential oil technology, and phytopharmaca, etc. Civil Engineering including : technology of construction materials, transportation system, environmental layout, concrete and wood structures, steel construction, bridge and dam construction, management of water resources and Hydrology, earthquake engineering, sanitation systems and urban drainage.
Arjuna Subject : -
Articles 137 Documents
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KONSERVASI AIR PADA LAHAN DENGAN KEPADATAN BANGUNAN TINGGI DI KOTA MALANG Galih Damar Pandulu; Diana Ningrum
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 3, No 1 (2018): EDISI MARET 2018
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v3i1.912

Abstract

The purpose of research expects the settlement arrangement with high density of the building that It returns the land function as water absorption for water conservation. The study goal knows the percentage of land with buildings and green open space in Malang and it is given the solutions for water conservation. The research method practices socio-economic analysis that it know population growth and economic activity. Analysis of spatial use pattern of experimentation area that It know physical suitability. Space structure analysis finds out residential pattern and spatial optimization, hydrological analysis, mechanical analysis and analysis of vertical housing structure. The results of research were obtained in Malang city in general there are 7.789 hectares of built land (70.77%) and 3.217 hectares of open land (29.23%). Klojen and Blimbing sub-districts have open space
PEMBAGIAN ZONA PENANGANAN BANJIR SEBAGAI EVALUASI KAPASITAS DRAINASE KOTA LABUAN BAJO Denik Denik; Dian Noorvy Khaerudin
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 1 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i1.644

Abstract

The rate of development of storage capacity drainage channels are often not as fast as the rain water runoff caused by land use change. Macro drainage system as the primary drainage system is a system of channels that accommodate and drain water from a rain water catchment area, this qualifies as rivers and canals which are generally used in planning the return period of between 5 to 10 years with a detailed topography measurements. Komodo in general, with the total area is 121 980 ha, nearly 40% of the topography between 0-100 m above sea level (m asl). Approximately 54% of the area is at an elevation of 100 to 500 m above sea level, while the remainder is at an elevation of 500 m above sea level up to 1000 m above sea level. City Topography Labuan Bajo including hilly. Ground elevation ranging from ± 0.00 m above sea level (m asl) up to ± 525 m above sea level. With conditions like this it is given form an effective drainage network for hilly areas in the district such as Komodo, Labuan Bajo is the return period discharge plan 10 m3 / sec. Parameter election is based on the amount of discharge runoff plan out to the primary drainage channel and on the basis of a comparison of the length of time the concentration of the root canal and the slope of the land.
PENGARUH PH TERHADAP KUALITAS PRODUK ETANOL DARI MOLASSES MELALUI PROSES FERMENTASI Sinar Perbawani Abrina Anggraini; Susy Yuniningsih; Mauritsius Melkysedes Sota
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 2, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v2i2.725

Abstract

The energy crisis of fuel is a problem faced by almost every state, predicted fuel reserves only enough oil to meet the world's needs for the next 30 years. Bioethanol is a non-fossil fuel considerable potential and can be used as an alternative fuel. This study aims to determine the effect of pH on ethanol yield and to determine the optimal pH by using a fermentation process raw material molasses. The research variables consisted of fixed and changing research, the materials used are, molasses (molasses), yeast Saccharomyces cerevisiae, NPK, urea, and water, and the tools used, the fermentor, pH meters, and pycnometer. The conclusion of this study, the pH affects the quality of ethanol and the highest levels of ethanol produced at pH 4.5, where the concentration of glucose and yeast performance Sacharomyces cereviseae very optimum at pH 4.5 to produce the ethanol content amounted to 5.6%.
Review Kuat Tekan Beton Polos dari Perspektif Mekanika Fraktur Danang Murdiyanto; Benedictus Sonny Yoedono; Agnes Hanna Patty
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 3, No 2 (2018): EDISI SEPTEMBER 2018
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v3i2.1018

Abstract

Concrete is a discreet material that consist of aggregate as filler and cement paste (matrix) as binder. Both of them work together as a composite or monolithic mechanism, depends on the interface zone characteristic that developed by aggregate. Monolithic mechanism leading to failure catastrophically (brittle and instantly), while composite mechanism prevails failure occurs gradually. Monolithic mechanism maybe found in high strength concrete where hardness and stiffness of aggregate are compatible with their matrix. At the moment when the matrix tensile strength (ft) is reached. The cracks will propagate quickly cutting both aggregates and matrix, as well at once. Contrary to the composite condition, when the matrix tensile strength is reached, the aggregate will take over the load and the crack will propagate through the interface zone. The perspective of fracture mechanics and the failure parameters explain the mechanism of crack propagation based on the energy principles. This investigation reviews the phenomenon of concrete compressive strength with angular aggregates compared to rounded aggregates on cylindrical specimens with diameter (d) 15 cm and height (h) 30 cm of the same compressive strength.  The difference between them, shows the tendency of the influence of the interface zone as traction, which significantly contributes to the performance capacity before  collapse
PEMETAAN LAHAN DAERAH IRIGASI KRITIS DI UPTD PENGAIRAN PUJON KABUPATEN MALANG Kiki Frida Sulistyani; Galih Damar Pandulu
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 2, No 1 (2017)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v2i1.659

Abstract

This study expects Mapping Critical Area of Irrigation Land in UPTD Pujon to determine the criticality of the watershed is in the context of decision making related to issues of conservation and watershed management, especially in the handling of the floods and damage to watersheds in order to maintain food security . The purpose of this study is the availability of topographic maps, land cover map, prone to flooding map, Critical Areas Map UPTD Pujon Territory. Results from this study is the existence of maps and data as well as information related to critical areas and disaster-prone of districts in Malang, especially the working area UPTD SDA and Irrigation of Pujon. The research method used 1. Assessment Analysis of disaster prone regions namely climatic conditions, from the monthly climatological data that include wind speed, temperature, humidity, solar radiation and daily rainfall data. Assessment is for the provision of value in the slope class, soil texture class, the land cover and rainfall class. Weighting is giving value for each parameter influenced. 2. Analysis of the level of vulnerability and the risk of flooding to the determination of the value of vulnerability and risk of an area against floods. The results of this study can be found in the area of critical land Pujon districts, while the level of vulnerability to flooding obtain flood prone land area of 46.87 km2 and is very prone to flood an area of 2.89 km2. From this study can be used as the basis for decision-making on land use data changes so that the future use of land could be more ideal and friendly environmentalKata kunci:
STRATEGI PENGEMBANGAN DESA WISATA PESISIR DI DESA TAMBAKREJO KABUPATEN MALANG Pamela Dinar Rahma; Rifky Aldila Primasworo
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 3, No 1 (2018): EDISI MARET 2018
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v3i1.917

Abstract

Tambakrejo Village is one of the coastal villages in southern Malang Regency that has the potential of beach beauty and fishery products are quite abundant. These potentials include Tamban Beach, Sendiki Beach, Asmara Bay Beach, Sendangbiru Beach, Sempu Island, and Pick Up Ceremony. Tambakrejo Village is included in 13 (thirteen) villages that will be developed as a tourist village by the Government of Malang Regency. The purpose of this research is to know the characteristics of Tambakrejo Village related to the development of tourist village, to know the potential and the problems, and to determine the strategy of development of Tambakrejo Village. The type of this research is descriptive - evaluative by using method of qualitative and quantitative analysis. Tambakrejo village is a coastal village with moderate topography, and the soil type is alluvial soil and litosol. The potentials of Tambakrejo Village are, among others, the potential of nature, cultural potential, diversity of marine products, accessibility to good villages, adequate tourism facilities, still have vacant land for development, and the beauty of the tourist attraction in Tambakrejo Village is well known by community. While the problems associated with the garbage and accessibility that there are some road networks that need improvement. The Tambakrejo Village development strategy is to optimize the attractive landscape conditions, the quality and diversity of commodities, increase the diversity of tourist attractions, improve facilities, facilities and facilities, and utilize the availability of local labor.
ANALISIS DAN PEMETAAN DAERAH KRITIS RAWAN BENCANA WILAYAH UPTD SDA TUREN KABUPATEN MALANG Galih Damar Pandulu
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.649

Abstract

Disasters in the area of Technical Implementation Unit Office of Turen, especially those caused by water damage requires the prevention and treatment of good and effective. In an effort to manage critical areas and disaster-prone river in the region, especially in the working area, in need of maps and data critical areas and prone to such disasters. The expected result is the availability of critical distribution maps and disaster-prone areas related to water resources in the area of Regional Technical Implementation Unit Turen Malang. The analytical methods used are scoring Analysis disaster-prone areas and analysis of the level of vulnerability and the risk of flooding. Results of research on critical land get there in the districts and sub-districts Poncokusumo Wajak, while the level of vulnerability to flooding obtain flood prone land area of 137.36 km2 and is very prone to flood an area of 3:35 km2.
PERBANDINGAN KEKAKUAN PUNTIR (TORSIONAL STIFFNESS) ANTARA BALOK KAYU KAMPER BERPENAMPANG HOLLOW (BOX BEAM) DAN SOLID Handika Setya Wijaya; Blima Oktaviastuti
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 2, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v2i2.730

Abstract

Indonesia is one of ten countries which the largest wood producer in the world. Wood is one of green materials if it’s compared with concrete and steel material. Wood is renewable material too. The problem of using wood for building construction is less of wood with large section dimension. So, engeenered wood appear to solve this problem. One of engeenered wood types is box beam. Box beam can increase inertia of material if it’s compared to traditional wood beam with same section dimension area. The purpose of this experiment is to know the comparasion about torsional stiffness between wood box beam and wood traditional beam. The result of this experiment show that Beam 1 (T.40.40) or traditional beam have torsional stiffness about 105,90 kg.m/rad. Beam 2 (T.45.45.12) is about 159,69 kg.m/rad. Beam 3 (T.50.50.10) is about 190,22 kg.m/rad. And at last, Beam 4 (T.58.58.8) is about 252,89 kg.m/rad. From the result, there are linier chart relationship between torsional stiffness and ratio of wall thickness and section dimension of box beam (t/a). The aplication of box beam should be developed. We hope box beam can be aplicated by people beacause torsional stiffness of box beam is larger than traditional wood beam exactly.
ANALISA KAPASITAS DAN TINGKAT KINERJA SIMPANG BERSINYAL (STUDI KASUS SIMPANG TIGA PURWOSARI KABUPATEN PASURUAN) Esti Widodo
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 1 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i1.639

Abstract

Signaled Purwosari T-junction Pasuruan is one of the intersections in Pasuruan with moderately crowded traffic as the main road connecting Surabaya - Malang and Pasuruan - Malang. Its current status requires an evaluation and a performance optimization. The primary data used for the analysis was obtained through field surveys, while the performance analysis using MKJI 1997 methods. Based on the final results of the analysis can be concluded, the level of performance intersection experiencing saturation and congestion, especially the direction from Surabaya to Malang. To obtain optimal performance of the intersection, do some alternative solutions changing light signal cycle and adding approached width. Alternative lights signal cycle change are the best solution in terms of cost because it is easy and fast, compared to adding approached width.
TIPOLOGI RUMAH JAWA DI KAWASAN PERDESAAN SUMBER POLAMAN LAWANG Fifi Damayanti; Agung Murti Nugroho; Herry Santosa
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 2, No 1 (2017)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v2i1.664

Abstract

The house is a place of living things live. A basic requirement for this stay originated from human shaping social life, to live together and form a pattern settlement. The formation of the villages in the village SumberPolaman, Lawang usually starts from a group of people who form a small village then more and more perfect. This area is shaped and influenced by natural factors as well as the physical expression of the region and culture that has been passed down from generation to generation. The house located in the village of Lawang SumberPolaman generally in the form of a traditional rural home with a simple roof forms that are divided by type and function of each. The wall is in the form of a plank of wood, bamboo and brick wall. While generally still use plaster floor, but there are some homes that already use a ceramic material. The main purpose of writing to determine the typology of residential buildings form the population and settlement patterns that exist in the village SumberPolaman, Lawang. The method used is descriptive method qualitative approach to typology that is the way to describe and classify the various types of data related to residential buildings in the village SumberPolaman, Lawang.

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