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INDONESIA
Rekayasa Sipil
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 10 Documents
 1 
Search results for , issue "Vol 15, No 1 (2021)" : 10 Documents clear
TRAFFIC MANAGEMENT IN JEMBER DISTRICT PAGAH AREA Della Dwi Nuariningsih; Achmad Wicaksono; Ludfi Djakfar
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.6

Abstract

Pagah district is one of the urban areas which has several intersections that support community activities. Therefore, the existing public facilities in this area must support community activities. One of them is to ensure the performance of the intersections in the Pagah area is still in good condition. From secondary data obtained from Jember Regency in 2019 Figures, it shows that the vehicle growth rate in Jember Regency has increased over the last 5 years. The results of the analysis with reference to the Indonesian Road Performance Manual show that the existing performance conditions of intersections in the Pagah district indicate that the delay value at the intersections does not meet the requirements. The methods taken in this study to overcome the existing problems are optimizing the intersection cycle time at the Pagah district.
STABILISASI TANAH GAMBUT MENGGUNAKAN ABU BOILER KELAPA SAWIT DITINJAU DARI NILAI CBR LABORATORIUM Fenny Bernavida; Sri Wulandari
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.2

Abstract

Palm oil boiler ash is the waste from the palm oil boiler combustion which contains a lot of silicates. In addition, palm oil boiler ash also contains inorganic cations such as potassium and sodium. Palm oil boiler ash is pozzolanic material, which is a non-binding material such as cement, but contains active Silica Oxide (SiO2) compounds which when reacted with free lime or calcium hydroxide (Ca (OH2)) and water will form materials such as cement, namely calcium Silica Hydrate. In this study, we will use palm oil boiler ash waste which has been stated to have good soil improvement results as a mixture of peat soil improvement in the hope of getting better improvement results from previous studies in terms of California Bearing Ratio values. The boiler ash to be used is a variation of the mixture of 0%, 5%, 10% and 15% to the weight of the soil sample and using 28 days treatment. The California Bearing Ratio value of the original peat soil is 0.247%, the percentage of 5% increases to 0.433%, at the percentage of 10% is 0.629% and at the percentage of 15% is 0,729%. 
EVALUASI BLOK TEGANGAN TEKAN EKUIVALEN BALOK BETON BERTULANG AGREGAT LIMBAH BATU ONYX TULUNG AGUNG R., Bobby Asukmajaya; Wahjuni S., Edhi; Wisnumurti, Wisnumurti
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.7

Abstract

Normal aggregate replacement to the onyx waste aggregate will certainly make the compressive strength and modulus of elasticity different, so it will affect the value of the compressive stress block equivalent (β1) as a result of the extent of the changing stress strain curve. In this study, trying to compare between the experimental β1 value of onyx concrete, while analytically the β1 value for normal concrete was obtained in accordance with SNI 2847 - 2019. To get the experimental β1 value from onyx concrete, it is made by looking for the compressive strength, elastic modulus and ꜫ0, for later the stress strain curve of the concrete is made to find the experimental β1 value of the onyx concrete.The results were obtained if the average β1 value of 18 specimens of onyx coarse aggregate concrete with an average compressive strength of 32.92 MPa was 0.868 while the analytical β1 value based on SNI 2847-2019 was 0.839, This shows that the β1 value for concrete with other aggregates is different, so it needs to be checked experimentally.
PENGARUH KONSENTRASI EKSTRAK DAUN TEMBAKAU SEBAGAI INHIBITOR PADA TULANGAN BETON BERTULANG Sultan, Mufti Amir; Barmawi, Nurtalia; Abbas, Muhammad Yunus Hi
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.3

Abstract

Reinforced concrete structures that are destroyed due to corrosion attacks need serious handling. One method of preventing corrosion is by using an inhibitor. In this study, the inhibitors used were tobacco leaf extract inhibitors with variations of 0%, 4% and 8%. The method used to analyze the corrosion rate that occurs is the weight loss method. Tests carried out by providing electricity to the test object using a voltage of 5V. The results showed that the influence of the addition of tobacco extract inhibitors at concentrations of 4% and 8% was able to reduce the density of anodic and cathodic currents which resulted in a reduced corrosion rate in steel reinforcement. This proves that tobacco extract can be used as a green corrosion inhibitor because it effectively decreases the corrosion rate.
PERENCANAAN JUMLAH TOLL GATE Muhammad Zainul Arifin; Devina Candra Puspita Rini; Khairul Arifin; Ludfi Djakfar
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.8

Abstract

Pasuruan-Probolinggo toll road was built to increase economic sector in East Java Region. Prior to construction, it’s necessary to analyze potential of toll road users and planning the ideal number of toll gates to comply with minimum service standards. This study uses Stated Preference method to determine vehicle switch, planning of ideal toll gates using Poisson Distribution, and FIFO queuing model used to analyze toll gate service system. Based on analysis, the largest potential road users who will switch to use Pasuruan-Probolinggo toll road section IV in 2021, 2025, 2030, 2035, and 2040 are 5,49%, 23,84%, 30,63%, 30,63%, and 30,63%. The calculation of toll gates is adjusted to the calculation of potential toll road users in 2025, 2030, 2035, and 2040 with the arrival of 385, 503, 657, and 858 vehicles/hour/strip. So, the ideal number of toll gates needed in 2025-2030, are 4 units, and 2035-2040 are 8 units of toll gates.
KUAT TEKAN DAN TARIK BELAH PADA BETON YANG MENGGUNAKAN AGREGAT KASAR LIMBAH PLASTIK Erniati Bachtiar; Muh Arief Muzakkir; Takwin Takwin; Sri Gusty; Nur Khaerat Nur
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.4

Abstract

Plastic represent thousands of materials with different physical, mechanical, and chemical properties. As plastic demand and usage increase, it is undeniable that the amount of plastic waste will increase. Plastic has the features of which cannot rot; it does not decompose naturally; it cannot absorb water or cannot rust. So it will eventually cause problems for the environment. This study aims to determine the compressive strength and tensile strength of concrete mixes that use coarse aggregates of plastic waste as a substitute for natural aggregates / broken rocks. There are three variations of samples made with mutations in the type of plastic used, namely PP (Polypropylene) plastic, PET (Polyethylene Terephthalate) plastic, and PP & PET combination plastic. The specimen is cylindrical, with a size of 10 cm x 20 cm. Compressive strength and tensile strength testing is carried out at 28 days according to SNI standards. The results obtained the compressive strength obtained on each variation of standard concrete samples, PP aggregate concrete, PET aggregate concrete, and PP & PET aggregate concrete, respectively, of 21.64 MPa, 10.61 MPa, 8.48 MPa, and 10.18 MPa. Whereas for the splitting tensile strength of standard concrete, PP aggregate concrete, PET aggregate concrete, and PP & PET aggregate concrete respectively were 2.86 MPa, 1.80 MPa, 1.70 MPa, and 1.80 MPa.
EVALUASI PENERAPAN STANDAR DAN PEDOMAN BIDANG JALAN DAN JEMBATAN Anne Kartika Panggabean; Anton Soekiman
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.9

Abstract

Standardization, as one of the supporting activities for infrastructure development, has an important role in the utilization of resources and all development activities. Until now, 270 SNI documents and 143 road and bridge guidance documents have been published. Standards and guidelines that have been prepared needs to be evaluated for their application. The purpose of this study is to determinate the percentage of use of road dan bridge standards and guidelines, what the factors that influence the use of road and bridge standards and guidelines, and how to take the alternative strategies to improve the implementation standards and guidelines for road and bridge. The methodology used for determinate factors that influence the use of standards dan guidelines for road and bridges is logistic regression analysis, and to find alternative strategy to improve standards and guidelines is use SWOT analysis method. The result of this study is the use of standards and guidelines for road and bridges is still below 50%.  There are 4 factors that influence the use of road and bridge standards and guidelines significantly. The result of SWOT analysis is, the implementation of standards dan guidelines for road and bridges is in quadrant I, which is an advantageous position but need some improvements implementations in the future.
PEMODELAN KETERKAITAN ANTAR FAKTOR KENDALA PENERAPAN TEKNOLOGI TERBATAS (PILOT PROJECT) BIDANG JALAN MELALUI PENYEDIA JASA Kiki Mohammad Iqbal; Anton Soekiman
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.5

Abstract

The Institute of Road Engineering (IRE) is an institute dealing with research and development in the field of roads. Application of Pilot Project through service providers is an implementation of transfer of intellectual property technology with high risk. Using Interpretive Structural Modeling method and MICMAC analysis to identify, classify the contextual relationships the constraints factor of Pilot Project. In this study produce 23 constraint factors. The low quality of scheduling project implementation is the most influenced factor (Dependence) while the problem of the financial ability of the contractor to finance the work and give the project to the lowest bid is the key factor the most affecting (Driver Power) hierarchically. This analysis supports decision making make priorities for problem solving.
PEMETAAN BAHAYA LONGSOR DENGAN METODE ANALITYCAL HIERARCHY PROCESS DI GUNUNG ARJUNO WELIRANG, JAWA TIMUR Arief Rachmansyah; Ardian Baroto; Ika Meisy Putri Rahmawati
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.10

Abstract

Indonesia has enormous geothermal potential because most of Indonesia's territory is located in an active volcano route. One of the challenges in developing geothermal energy is that its location is located on the slopes of a Quaternary Volcanoes which is suceptible to landslides. The purpose of the research that has been carried out is to determine the distribution of landslide-hazard areas on the western slopes of the Arjuno-Welerang Volcano. The analysis was performed using the Analytical Hierarchy Process method based on morphological, geological and structural geological parameters. Geomorphological mapping was carried out by contour map analysis, then classified based on morphometry and morphogenesis. Geological mapping uses the principle of volcanostratigraphy, while mapping of geological structures is done by analyzing contour maps made by Digital Evalation Model and field checking. The high and very high landslide hazard zones are scattered along the fault zone, while the very high landslide hazard areas are located in the ancient crater valleys      
BEAM CONSTRUCTION IMPACT ANALYSIS BASED ON LIFE CYCLE ASSESSMENT (LCA) USING NETWORK FLOW DIAGRAM Bernardus Martino; Yatnanta Padma Devia; Indradi Wijatmiko
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.1

Abstract

Global warming is a problem that happened every year in many various sectors, one of those is construction. Construction projects have a unique character in each construction, therefore it will be difficult if calculating emissions from each construction process. One alternative method that able to calculate carbon dioxide emissions is Life Cycle Assessment. The purpose of this study will discuss the use of the Life Cycle Assessment method on beam products in 216 type house and analyze the CO2 emission load of all beam types. The analysis uses SimaPro software. Results of this research are that from 4 types of beams used in type 216 houses, beam-type 25/50 have the largest percentage of 41.9% and beam-type 15/30 with a percentage of 39.9% of the total CO2 emission of all beam types.

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