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Borneo Engineering: Jurnal Teknik Sipil
Published by Universitas Borneo Tarakan
ISSN : 25811134     EISSN : 26857553     DOI : https://doi.org/10.35334/be.v9i3
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Focus and Scope Borneo Engineering : Structural Engineering, Transportation Engineering, Water Resources, Geotechnical Engineering and Construction Management
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 8 Documents
 1 
Search results for , issue "Volume 4 Nomor 2 Tahun 2020" : 8 Documents clear
Analisis Perilaku Balok Kastella Dengan Variasi Jenis Bukaan Richard Frans
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1382

Abstract

The main advantage of castellated beam is the increasing of bending capacity caused by the increasing of inertia moment of steel section due to the increasing of depth of the steel section. In addition, some people argue that the opening section of castellated beam become an additional advantage in terms of aesthetics view. In general, there are three opening variations that are very often used in construction, which are hexagonal opening, circular opening, and diamond opening. Many researches have been done to compare the performance of castellated beam with various opening but only focusing on the behavior of castellated beam subjected to monotonic loading. Therefore, in this research, a review of the behavior of castellated beam with various opening subjected to quasi-static cyclic loading was carried out in order to find out which is better performance from the opening variations. A finite element analysis was conducted to find out the behavior of castellated beam with three variations of opening. A simple beam subjected to quasi-static loading using displacement control technique was considered in this research. The result shows that the castellated beam with diamond opening has a better performance compared to the other openings (hexagonal opening and circular opening).
Studi Kelayakan Coffee Class Pada Mase Coffee Lab di Bantul, Yogyakarta Adita Utami; Fatma Dewi Sinurat; Fransisko Fransisko
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1598

Abstract

Coffee Class on Mase Coffee Lab is a business which provides knowledges about coffee industry. The business was founded with basis that there is a growth in interest of coffee and only few similar businesses already exist. With that uniqueness, a research of feasibility study is needed. The aim is to determine the feasibility of the investment that is already ongoing. The data is obtained from either owner and literature study. Then using the data, feasibility study is conducted by analyzing non-financial aspect, financial aspect, continued with further evaluation by doing sensitivity analysis. Non-financial aspect consists of market aspect, technical aspect, management and law aspect also social, economic and environmental aspect. Financial aspect consists of evaluation of Net Present Value (NPV), Payment Back Period (PBP), Benefit to Cost Ratio (BCR) and Internal Rate of Return (IRR). The result obtained are, consecutively, IDR 49,046,768.59, 2 years, 1,21, and 57,84%. Then sensitivity analysis is done for participant numbers, and operational cost. From analysis, it can be concluded that the investment on the business is feasible and it is sensitive to the number of participants.
Analisa Potensi Aliran Lahar Kali Putih, Gunungapi Kelud Hayu Rahayu; Suharyanto Suharyanto; Sri Sangkawati
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1401

Abstract

Kelud Volcano is one of the active volcanoes and located in East Java. After the eruption, Kelud Volcano left a number of volcanic materials from the rock, sand and the ash on residential land, plantations and the surrounding area. The main problem is the eruption of Kelud Volcanoes has the potential to experience an increase in the frequency of eruptions and there has been no development of a regional reconstruction model for secondary impacts due to eruptions in the field of water resources infrastructure. Based on these problems, a test of the Sabo and modular hydraulic physical models will be planned. This study discusses the identification of the location and volume of sediments that have the potential to become Kali Putih lava flows from Kelud Volcanoes. The Takahashi analysis method is used to analyze the estimated excess volume of the target sediment which must be controlled by sabo technology. Identification of sediment transport zones is obtained from the classification of slope on existing buildings obtained from satellite imagery. The results of the analysis are as follows: 1.) Sediment transport areas in the Putih Watershed have an area of 863 km2. 2.) The total volume of Kali Putih sediment that has the potential to become cold lava after the eruption is 4,139,414.23 m3. 3.) Sabo and modular hydraulic physical model testing is required. 4) A model of regional reconstruction is needed for secondary impacts due to eruptions in the water resources field. 5) New sabo plan planning is needed
Kombinasi Metode Kontrol dan Perkuatan untuk Penanganan Longsor (Studi Kasus: Longsor Waikerap, Tanggamus, Lampung) Aminudin Syah; Ilham Dani; Sandri Erfani
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1627

Abstract

Landslides often cause heavy casualties and material losses in Tanggamus Regency. These incidentscontinue to be repeated so that it still requires a landslides risk reduction. Landslides risk mitigation begins with a field survey and soil investigation, followed by analyzing the investigation results and planning the potential mass movements. The results from the geological survey show that the study area has a lithology of constituents in the form of andesite and landslide material in the form of volcanic breaks with a high level of weathering so as to form a thick layer of soil. The basic landslide handling design plan in Pekon Waykerap is to perform the geometry arrangement of the slopes so itprovides a strengthened structure with gabion slopes. The slope design results give the slope height limited to 5 meters, a 1H:1V slope gradient, and 2.5 meter bench. The slope surface is suggested to be covered with a patch of grass and equipped with surface drainage. The slope stability analysis results for Pekon Waykerap landslides using the limit equilibrium method shows that using the combination of control and retrofitting method and increases the static safety factor from 1.092 to 1.298 and the dynamic safety factor from 0.846 to 1.031, which means the groundmass movement risk decreases.
Sudut Tenang Tanah Pasir-Lempung Pada Kondisi Runtuh Anto Budi Listyawan; Renaningsih Renaningsih; Qunik Wiqoyah; Aditya Galih Pradana
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1441

Abstract

The soil layer is the combination of many types as well as the soil in the slope area. The soil in the slope is frequently a mixture of clay and sand. The stability of slope becomes dominantly an issue in the geotechnical engineering area. The collapse of the slope occurs because the gravity of external forces is exceeding the shear strength of the soil. The recent research develops the apparatus to determine the angle of repose of the sand-clay soil in the failure conditions. Sandy soil is taken from Beach and Merapi volcano. The clay added into the sand in the proportion of 0%, 5%, 10%, 15%, 20%, 25%, and 30%. The experiment is conducted by taking the height of the falling material of 15cm, 25cm, and 35 cm. Adding 0% to 15% clay brings the sand into SP Category, then adding 20%-30% makes the sand in the SC category. The Modulus if a fine grain of sand beach is smaller than Merapi sand. As the percentage of clay added to the sand higher, the difference of angle of repose of Merapi sand before and after failure is getting smaller, but it is not the case in Beach sand. The percentage of loss of volume of Merapi sand after failure is also going down as the portion of clay higher. The loss of volume of Beach sand added by clay is getting higher in failure condition..
Debit Banjir Rancangan DAS Tojo Metode HSS ITB 1 Aswar Amiruddin; Saparuddin Saparuddin; Triyanti Anasiru
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1582

Abstract

Floods often occur in several regions in Indonesia. The problem is the flooding with its uncertain characteristics is one of the environmental problems that has not been handled optimally. The method of converting rain data into discharge data for flood analysis has been widely presented in previous studies. The methods used to analyze flood discharge also vary, starting from rational, empirical, statistical models to the unit hydrograph model. This research aims to determine the flood discharge design for return periods 2, 5, 10, 20, 25, 50, and 100 years in Tojo watershed, Tojo Una-una Regency using the synthetic unit hydrograph method of ITB-1. Research methods are data collection and data analysis. Data collection was carried out at several agencies and collecting from online sources. Results of this research design flood discharge that was analyzed by synthetic unit hydrograph of ITB-1 method. The maximum design flood discharge at Tojo watershed are 82.375m3/s for a 2-year, 98.21 m3/s for a 5-year, 104.77 m3/s for a 10-year, 111.83 m3/s for a 20-year, 113.3 m3/s for a 25-year, 118.87 m3/s for a 50-year, 123.86 m3/s for a 100-year return period
Analisis Efisiensi Penggunaan Teknologi Aspal Daur Ulang Pada Jalan Tol Elevated Ir. Wiyoto Wiyono Yogi Oktopianto; Dwi Wahyu Hidayat
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1587

Abstract

The use of recycling technologies to the principles of green roads should get priority. Reclaimed Asphalt Pavement (RAP) has not been used properly is a problem in this study. Hotmix Recycling is a recycling technique that can be applied to road pavement rehabilitation and maintenance. The research was conducted to determine the cost-efficiency of recycled asphalt. The method used in this research is to analyze the unit price of conventional asphalt maintenance and to analyze the unit price of recycled asphalt in order to find out how much efficiency is obtained of asphalt pavement recycled. The results showed that the cost of conventional asphalt is Rp.1,160,000 per ton and the price of recycled asphalt is Rp.915,000 per ton, there is a savings of Rp. 245,000 per ton, The use of recycled asphalt technology in the periodic asphalt of the Ir. Wiyoto Wiyono toll roads can save operational and maintenance costs of Rp. 3,013,500,000.00
Optimasi Pemotongan Besi Tulangan Pada Pekerjaan Struktur Menggunakan Metode Linear Programming Jajang Atmaja; Fauna Adibroto; Nurul Hidayah
Borneo Engineering : Jurnal Teknik Sipil Volume 4 Nomor 2 Tahun 2020
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v4i2.1595

Abstract

In construction projects, reinforcing iron is a very important material in the implementation of construction work. The remaining iron material cannot be avoided in the field, so the figure for the remaining unused material affects the costs incurred by the contractor. Given that iron material is one of the materials with a high price on the market. One solution to reduce the amount of remaining iron material is to optimize iron cutting to get the number of pieces as needed with minimal cutting. The method used is Linear Programming with the help of the Solver Add-In program in Microsoft Excel. The research was conducted on a 3-storey building construction project, namely Puskesmas Kampung Dalam, Kab. Padang Pariaman. Works that reflect iron work on the upper and lower structures. The analysis results were obtained from 7.31% and cost Rp. 27.067.887,-.  for the ironworks reviewed. So that the use of the Linear Programming method in the case study of this research is able to optimize the remaining iron material quite well and produce minimum remaining reinforcing iron.

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