cover
Contact Name
M. Baitullah Al Amin
Contact Email
baitullahalamin@ft.unsri.ac.id
Phone
+6281368768186
Journal Mail Official
j_cantilever@ft.unsri.ac.id
Editorial Address
Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University Jl. Raya Palembang-Prabumulih Km. 32, Indralaya Ogan Ilir, South Sumatra Indonesia zip code: 30662
Location
Kab. ogan ilir,
Sumatera selatan
INDONESIA
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil
Published by Universitas Sriwijaya
ISSN : 19074247     EISSN : 24774863     DOI : 10.35139
Core Subject : Engineering,
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil is a research journal and study in civil engineering that presents research results in the fields of building and structural engineering, transportation, water resources engineering and management, geotechnical engineering, construction engineering and management, environmental engineering, and architecture. The journal was first published in 2006 in the printed version. Since 2015, Cantilever has been published both in the printed and online versions (e-journal). For the online version, previously, the journal could be accessed at http://cantilever.unsri.ac.id, but since Vol. 8 No.2 (2019), the journal is published at http://cantilever.id. This journal is managed and published by the Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University. The journal is published twice a year, in April and October. The Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil aims to: 1) promote a comprehensive approach to civil engineering incorporating viewpoints of different disciplines, 2) strengthen academic exchange with other institutions, and 3) encourage scientists, practicing engineers, and others to conduct research and other similar activities. The journal presents the results of research and studies in the fields of civil engineering, architecture, and environmental engineering. The scope of this journal covers the topics: water resources engineering, transportation, geotechnical engineering, building and structural engineering, construction engineering and management, environmental engineering, and architecture.
Articles 96 Documents
Improving Performance in Mixture Porous Asphalt: Application Polyethylene-Terephthalate (PET) and Lawele Granular Asphalt (LGA): Peningkatan Kinerja pada Campuran Aspal Berpori: Aplikasi Polyethylene-Terephthalate (PET) dan Lawele Granular Asphalt (LGA) Oktaviastuti, Blima; Sadillah, Muhammad; Primaswo, Rifky Aldila
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 2 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i2.203

Abstract

Plastic has various types, one of which is PET (Polyethylene Terephthalate) plastic, which is often used as a raw material for plastic bottles. One type of asbuton that is often used for road pavement is LGA (Lawele Granular Asphalt) asphalt. Repairs by adding asbuton to the porous asphalt mixture need to be done. This is because porous asphalt has several weaknesses, namely low strength or stability compared to other asphalt mixtures. The addition of PET and LGA waste to porous asphalt is a topic in this article. This research design uses a quantitative design with a type of experimental research. The results of the study concluded that: (1) The results of testing the characteristics of the constituent ingredients of the porous asphalt mixture meet the specifications of SNI, and (2) The test results of the addition of PET (Polyethylene Terephthalate) plastic and LGA (Lawele Granular Asphalt) to porous asphalt mixture meet the specifications by RSNI 2 Design and Implementation of Porous Asphalt Mixture 2012. It is hoped that this research can be an alternative to the mixture of PET plastic waste and LGA asbuton in a porous asphalt mixture. In addition, the newness of this material is expected to also help the construction of roads.
Karakterisasi Tanah Vulkanik di Kabupaten Kediri, Jawa Timur, Indonesia Berdasarkan Uji CPT, SPT, dan PMT: Site Characterization of Volcanic Soil in Kediri Regency, East Java, Indonesia Based On CPT, SPT, and PMT Wiwarsono, Fransisko; Rahardjo, Paulus Pramono; Sadisun, Imam Achmad
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 2 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i2.205

Abstract

Indonesia is a country surrounded by the Pacific Ring of Fire so that various areas are dominated by volcanic soil. Volcanic soils have unique and unusual characteristics, different structures and properties from soil in general, and are strongly influenced by geological processes. Volcanic soils were also found to be problematic and caused a lot of geotechnical damage. Research on volcanic soils from a geotechnical perspective in Indonesia is still very limited. This study aims to characterize volcanic materials in Kediri Regency, East Java, Indonesia, based on in situ testing using CPT (Cone Penetration Test), Standard Penetration Test (SPT), and Pressuremeter Test (PMT). CPT and SPT are the most common and frequently used field tests, while PMT is used to obtain horizontal stresses. Some data from the X-Ray Diffraction Analysis (XRD) test and corebox drilling results will also be used in this study. Field test results will display soil classification and parameters, which will then be combined, and empirical correlations will be obtained for site characterization as well as comparisons with other volcanic soil literature studies. The results showed that the volcanic soil in Kediri Regency consists of non-lateritic to lateritic soil. Based on the CPT and SPT correlations, it was found that the qc/N value was greater than in general soils for both cohesive and non-cohesive soils. The authors also found a relationship between parameters and interpretation of PMT data against NSPT for cohesive volcanic soils in the study area.
Analisis Pengaruh Umur Bangunan Terhadap Tingkat Kepuasan Penghuni: Analysis of the Effect of Building Age on Occupant Satisfaction Levels Ramadhan, Muhammad Aulia Nur; Nugroho, Arief Setiawan Budi; Irawati, Inggar Septhia
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 2 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i2.223

Abstract

The relationship between residence and well-being, including physical health and emotional state, is widely recognized. Residence quality significantly impacts resident satisfaction, especially for students who require a conducive environment for effective learning. This study examines the impact of building age on resident satisfaction and willingness to pay at the Gadjah Mada University (UGM) dormitory. A questionnaire comprising 20 closed-ended questions evaluates building quality, management, and tariffs, while four questions gauge willingness to pay. With 136 responses from Dorm-50 (over 50 years old), Dorm-15 (over 15 years old), and Dorm-5 (under 5 years old), data is analyzed descriptively through multivariate analysis of variance and price sensitivity meter. Findings show that newer buildings do not always yield higher resident satisfaction. The socioeconomic background of the residents plays a crucial role in assessing satisfaction levels. MANOVA reveals distinct satisfaction levels among the three age groups concerning building quality, services, and rates. Price sensitivity assessment exposes disparities between current rentals and acceptable price ranges for occupants in each dorm. Certain floors or room types exceed acceptable rental ranges.
Analisis Perbandingan Nilai Kondisi Jalan Menggunakan Metode SDI dan IRI Dari Alat Survei Roadroid: Comparative Analysis of Road Condition Values Using the SDI and IRI Methods from the Roadroid Survey Tool Utama, Novan Rezki; Arliansyah, Joni; Kadarsah, Edi
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 1 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i1.233

Abstract

Good road infrastructure plays an important role in the economic development of a city. Therefore, the government must maintain and improve road conditions yearly to help attract investment and ultimately lead to overall economic growth. Presently, road condition surveys are conducted and assessed using the manual method with the Surface Distress Index (SDI), which is time-consuming and expensive due to the large number of access roads. In order to address this issue, a fast and cost-effective alternative survey approach is required, such as the International Roughness Index (IRI) method using the Roadroid application. Roadroid is an application installed on a smartphone and then attached to a car's windshield to record road conditions while the car is in motion. This study aims to compare the use of the Roadroid application with the manual survey method in terms of time and cost efficiency in identifying road conditions in the city of Palembang, which has 1204 roads. In this study, the Roadroid application results is compared to the road condition assessment results from the SDI methods. The results showed that the time required to obtain road conditions with manual survey and Roadroid application was 37.313 minutes and 4.123 minutes, respectively. The cost required to obtain road conditions was IDR 290.937.000 and IDR 68.006.000 for manual surveys and using the Roadroid application, respectively. Furthermore, the comparison of road condition assessment results between the SDI and IRI methods showed that they have average mean differences of 24.86%, so it can be concluded that the road conditions obtained in the IRI method using Roadroid have high accuracy with the conditions in the SDI method. From the results, it can be concluded that using the Roadroid application to obtain road conditions is more effective and efficient than manual surveys.
Cycle Tests and Structure Repair of Bridge Pier Models: Uji Siklus dan Perbaikan Struktur Model Pilar Jembatan Justitiannisa, Innino; Gunadi, Riawan
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 2 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i2.234

Abstract

This research was conducted in anticipation of the risk of fatal damage to the structure due to the earthquake. In this study, experiments were carried out on the test object in the form of a bridge pillar model, which consisted of 2 test steps. The cyclic test is in the form of a pier bridge model and is continued in step 2 in the form of repairs with grouting and carbon wrapping materials as well as conducting another cyclic test to evaluate the performance of the repair materials used. This study uses the pier model, which consists of two test objects, namely a column with dimensions of 0.25x0.25x1.68 meters and a column cap of 1.20x0.55x0.36 meters. This test provides a constant axial load of 0.2 fc’.Ag and a cyclic lateral load. Phase 1 testing was carried out until the drift ratio was 3.5%. The achieved lateral peak strength is 8,606 tonf with a drift ratio of 2.20%. Lateral strength experienced a decrease in peak lateral strength of 86.93%. The damage is dominated by shear cracks which are characterized by the number of cracks with a diagonal pattern. Structural performance analysis was carried out according to ACI 374.1-05. The results of the theoretical analysis of the peak strength of the pier model were 15.2144 tonnes in the tensile direction, while the experimental ones were 8.606 in the pushing direction and -7.812 in the pulling direction.
Influence of Steam Curing Temperature on the Characteristic of Self-Compacting Concrete Incorporating Palm Shell Ash: Pengaruh Temperatur Perawatan Uap Terhadap Karakteristik Beton Memadat Mandiri dengan Abu Cangkang Sawit Nurjannah, Siti Aisyah; Muliawan, Sutanto; Nurazizah, Ervi Tri Romayni; Asmarani, Dwi
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 13 No. 1 (2024): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v13i1.235

Abstract

Self-Compacting Concrete (SCC) is proven as durable concrete and applied to constructions. In this paper, a study was conducted to analyze the influence of variations of steam curing temperature (SCT) and water/binder (w/b) ratio on the characteristics of SCC incorporating 10% Palm Shell Ash (PSA) as a partial substitution for cement mass. The SCT was arranged from 25 C to 80 C. The variation of w/b in the compositions of SCC was 0.325, 0.350, and 0.375. The results showed that using PSA, the variation of SCT and the w/b ratio influenced the workability of the fresh concrete. The PSA, SCT, and the w/b ratio affected the concrete compressive strength and mass density. The increased SCT caused a lighter density and greater compressive strength. However, the decreased compressive strength occurred due to an excessive SCT of 70 C and above. The SCT of 60 C, 10% PSA, and w/b ratio of 0.350 in the mixture produced the greatest compressive strength of 36.27 MPa at 28 days of age, while without SCT, the greatest compressive strength of 36.78 MPa was achieved at the age of 28 days containing 10% PSA and w/b ratio of 0.325. It indicated that the w/b ratio was more influential than the SCT on the increase of the SCC compressive strength.
Analisis Perbandingan Fluid Viscous Damper dan Fixed Base Terhadap Beban Siklik dengan Finite Element: Comparative Analysis of Fluid Viscous Damper and Fixed Base Against Cyclic Loads with Finite Element Azhar, Muhammad Farrel; Arini, Resti Nur; Kurnia, Fadli
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 2 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i2.250

Abstract

The geographical location of Indonesia, which is very at risk of earthquake disasters, requires the planning of building structures that are resistant to earthquake risks, one of which is by using base isolators. A base isolator system can improve structural performance by dissipating earthquake energy with its flexibility character to increase the vibration period. One type of base isolator is the Fluid Viscous Damper (FVD), which can be applied to high-rise buildings that often experience destruction during earthquakes. This research aims to determine the energy dissipation and ductility of fixed base structures and structures using FVD with finite element method using ABAQUS application. The object of analysis of this study uses a two-story portal with a steel structure. The results of this study obtained the characteristics of the two building models are semi-ductile, but there are differences in the ductility value between the two models. Based on the calculation results, the deviation ductility value that occurs in the fixed base building model is 2.624. Meanwhile, the deviation ductility of the FVD building model is 4.104. The use of FVD can increase the ductility value by 22%. The dissipation that can be done by the fixed base building model is 0.119, and the energy dissipation value for the building model with FVD is 0.156. Using FVD can increase energy dissipation in the analyzed model by 13.45%.
Efek Molaritas Aktivator (NaOH) pada Beton Geopolymer dengan Bahan Pengikat Limbah Fly Ash PLTU Lontar: Molarity Effect of Activator (NaOH) on Geopolymer Concrete with Fly Ash Waste Binding Material from PLTU Lontar Bawono, Dapit; Muin, Resmi Bestari
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 2 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i2.253

Abstract

The average temperature of the earth's surface has increased by 0.74 ± 0.18°C over the past hundred years, caused by 65% carbon dioxide (CO2) emissions. Of the total CO2 emissions, around 6% come from the cement industry. Geopolymer concrete can be a solution to the problem because it does not use cement as a binder, but uses fly ash and activator materials. This activator material is to activate fly ash to become a binder. The aim of this study was to determine the effect of variations in the molarity of the NaOH activator on the workability, setting time, and compressive strength of geopolymer concrete. This study used fly ash from PLTU Lontar with a ratio of NaOH:NNa2SiO3 of 1:1.5, then the NaOH was varied with concentration levels of 5 Molar, 8 Molar, 11 Molar, and 14 Molar. From this research, it is known that the molarity level of the activator (NaOH) affects the workability (slump value), setting time, and compressive strength of concrete. The higher the molarity level of the activator (NaOH), the lower the workability of the concrete (the slump value decreases), the slower the setting time of the concrete, and the higher the compressive strength of the concrete. The most optimal variation is 14 Molar NaOH geopolymer with a slump value of 15 cm, initial setting time of 90 minutes, final setting time of 203 minutes, and compressive strength at 28 days of 54.60 MPa.
Evaluasi Ticketing MRT Jakarta Mobile Apss dengan Menggunakan Model DeLone dan McLean: Evaluation of MRT Jakarta Mobile Apps Ticketing Using the DeLone and McLean Model Mukti Khamid, Anugrah; Leliana, Arinda; Raden Roro Siti Kuswati , Atik
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 13 No. 1 (2024): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v13i1.256

Abstract

The MRT Jakarta has three methods of ticket payment, i.e. Ticket Vending Machine, E-Money Tap Card, and by apps using MRTJ mobile apps. Some issues came from the passengers complaining about the simplicity of purchasing MRTJ ticket using this app. Passengers are confused when using this apps, while using another payment method is faster and more efficient. This research was conducted by evaluating information system success on the MRTJ mobile apps application using the Delone & McLean model approach with the correlation of 6 variables, including information quality, system quality, service quality, use, user satisfaction, and net benefit with the structural equal model method using the SmartPLS application. The analysis was carried out in two stages: the measurement model (outer model) and the structural model (inner model). In the outer model test, two indicators in the system quality variable do not pass the validity requirements, so they need to be excluded from these variables. All variables are proven to have an influence on the application, but the information quality variable on the use variable and the information quality variable on user satisfaction have a tendency to negatively influence based on the path coefficient value determined by the p-value and t-statistic values so that it does not fulfil the predetermined hypothesis.
Evaluasi Faktor-Faktor Penyebab Longsor dan Kesesuaian Mitigasi: Evaluation of Factors Causing Landslides and Suitability of Mitigation Fathoni, Bulkin; Saputra, Erlangga; Gofar, Nurly
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 13 No. 1 (2024): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v13i1.261

Abstract

Management and maintenance of slopes require proper knowledge of slope conditions so that appropriate mitigation measures can be implemented. The activities required for the management of slopes include slope inventory, slope inspection, slope risk level assessment, and risk mitigation measures. The objective of this study was to observe the slope conditions and causes of past slope failures, determine the appropriate mitigation measures, and analyze the suitability of landslide mitigation measures and causes of slope failures. The research locations are road segment No. 36 (Kota Lahat – Simpang Air Dingin), No. 37 (Simpang Air Dingin – Pagar Alam), and No. 38 (Pagar Alam – Tanjung Sakti – batas Bengkulu). The research was initiated by analyzing data collected by the South Sumatra National Road Management Agency (BPJNSS) from 2018 to 2021. The field observation was conducted on ten locations where the slope had been repaired after slope failure events. The suitability of mitigation with the factors that cause landslides was analyzed using the slope management system method suggested by the Ministry of PUPR. The results showed that most slope failures were triggered by high-intensity rain falling on slope surfaces containing high humidity due to previous rainfall. The common types of slope mitigation are reducing the forces that cause movement, increasing the resisting forces by controlling seepage, and the use of anchors.

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