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Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil
Published by Universitas Sriwijaya
ISSN : 19074247     EISSN : 24774863     DOI : 10.35139
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
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.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 7 Documents
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Search results for , issue "Vol. 12 No. 1 (2023): Cantilever" : 7 Documents clear
Evaluasi Agregat Lokal Sebagai Lapisan Base Perkerasan Permeabel: Evaluation of Local Aggregate as Base Layer of Permeable Pavement Oktariza, Hendra; Gofar, Nurly
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.v12i1.201

Abstract

Permeable pavement is a type of road pavement that allows stormwater to infiltrate through the pavement surface and the underlying base layer to reduce surface runoff. Open-graded aggregates are often used as the base layers to temporarily store water and allow the water to infiltrate slowly into the soil below the pavement or through sub-drainage. The strength of open graded material is usually less than the dense-graded materials. Therefore; the mixture of the aggregate for both base and drainage layer need to be designed carefully. In Indonesia, the criteria for aggregate as both base and drainage layer is stipulated in Bina Marga Specification. This study aims at designing an optimum mixture of local aggregate to be used as the base of permeable pavement. The mixture should fulfil the mechanical properties based on laboratory CBR value, and hydraulic properties based on storage capacity and the coefficient of permeability. Five aggregate samples of Andesite origin from South Lampung area were selected for this study. Careful laboratory test procedures were adopted to select configurations of aggregate sizes (design mix formula) that satisfies the requirements both as Aggregate A and as drainage layer. A dense graded aggregate based on the grain size distribution was prepared for design mix formula to meet the requirement as Aggregate A. Then, the fine particles passing No 40 sieve was removed to form open aggregate sample suitable as drainage layer. Both samples were tested for grain size distribution, CBR, permeability and storage capacity. Results show that the local aggregate fulfils the requirements both as base and as drainage layer with average CBR of 92%, average storage capacity of 18.32% and average permeability of 0.05 m/sec. The thickness of the permeable pavement layer could be estimated based on storage capacity and the permeability of the drainage layer.
Pengaruh Karet Remah Terhadap Stabilitas Campuran Beraspal Laston AC-WC Menggunakan Metode Dry Mix: The Effect of Crumb Rubber on the Stability of Asphalt AC-WC Asphalt Mix Using the Dry Mix Method Ulfah, Luthfiyyah
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.v12i1.207

Abstract

Roads must have the appropriate mix of thickness and design to protect the subgrade from damage and to accommodate the load pressure on the road. The purpose of this research is to investigate the effects of adding crumb rubber to the hot asphalt mixture of the Laston AC-WC type. The research was conducted in two stages, involving the creation of test specimens. In the first stage, the bitumen content of the specimens included 5%, 5.5%, 6%, 6.5%, and 7%. In the second stage, In the second stage, crumb rubber was added to the mixture at percentages: 0%, 5%, 10%, 15%, and 20%. The crumb rubber was mixed using the dry mix method. Several parameters were considered based on the results of the Marshall Test, in accordance with the General Highways specifications (VFA, VIM, VMA, Stability, Meltability and MQ). characteristics analysis aims to determine the impact of crumb rubber content on the elasticity, durability, and other properties of the asphalt mixture. Of all the variations of the hot mix asphalt type Laston AC-WC mixed with crumb rubber; the optimum level of crumb rubber mixture was obtained at 5% for the hot mix asphalt type Laston AC-WC. From the research results, when 5% crumb rubber was added to the asphalt mixture, the following values were obtained: 856.1 kg stability, 3.07 mm flow and 290.40 kg/mm MQ. In contrast, the stability value of hot asphalt concrete asphalt concrete type AC-WC with 5% asphalt has 813.7 kg stability, 3.03 mm flow and 268.30 kg/mm MQ.
Perbaikan Jalan Angkut Menggunakan Geotextile untuk Meningkatkan Produktivitas HD 785 pada Site Gurimbang Mine Operation, PT. Berau Coal: Improvement of Hauling Road with Geotextile to Increase Productivity of HD 785 at Site Gurimbang Mine Operation, PT. Berau Coal Asof, Marwan; Purbasari, Diana; Agustian Putra, M. Andra
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.v12i1.213

Abstract

PT. Berau Coal is one of the mining companies in Indonesia that focuses on coal mining and sales. This research was carried out on the haul road at Site Gurimbang Mine Operation, where the condition of the haul road is currently undulating and located above a swamp area. This condition reduces the speed of HD 785, resulting in the unit's productivity not achieving the company's target. The effort to improve the condition of the haul road is by using geotextile as a method of strengthening the haul road. The aim of this research is to determine the changes in soil density and soil bearing capacity after the geotextile reinforcement and to identify its impact on HD 785 productivity. The research was conducted by analyzing and processing data from the results of the DCP in-situ test to determine the soil density and soil bearing capacity in the initial and post-geotextile installation conditions. Actual field data collection in the form of HD 785 cycle time and speed data was used to evaluate the unit's productivity before and after geotextile installation. The results indicated that the utilizing geotextile can increase the soil density and soil bearing capacity to meet the CBR standards and soil bearing capacity for HD 785 units. The use of geotextile also increased the speed of HD 785 by 3 km/hour, both during load and empty travel, resulting in an increase in HD 785 productivity by 26% from the initial 43,821.63 bcm/month to 55,375.62 bcm/month.
Pemanfaatan Recycling Asphalt untuk Lapisan AC-WC dengan Penambahan Material Bottom Ash pada Perkerasan Lentur: Utilization of Recycling Asphalt for AC-WC Layers with The Addition of Bottom Ash Material to Pavement Pasayu, Deliansyah; Arliansyah, Joni; Kadarsa, 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.v12i1.182

Abstract

Increasing road construction by adding a thick layer of asphalt on flexible pavement can cause problems, where the more viscous the asphalt layer, the higher the road will be than the houses. In addition, limited natural resources and large-scale use can damage the environmental system and make raw materials increasingly scarce, and their prices continue to increase. This research aims to show that recycled asphalt and bottom ash materials can be reused for flexible pavements. Researchers used experimental methods in the laboratory by testing using the Marshall Test. The results of this study indicate that the asphalt resistance based on the compressive strength of the asphalt mixture of recycled materials and the combination of recycled materials and bottom ash of 10% and 15% so that the values of VMA, VFA, Stability, Meltability, and MQ values ​​obtained from the Marshall Test according to with the General Specifications of Highways of the Ministry of Public Works. It was obtained from the provisions of the physical and mechanical test results of Bottom Ash sourced from the Petra UK Road Materials Laboratory Research with the bottom ash parameter passing the sieve of 18.2%. From the results of all asphalt tests, it is known that the addition of bottom ash to asphalt recycling where the extracted material from recycled asphalt (recycled) both asphalt and the aggregate material itself cannot be reused for flexible pavement layers. This is because the condition of asphalt recycling is old, and the strength of the material itself is weak, so it cannot last long if it is reused.
Analisis Kinerja Seismik Gedung dengan Pushover Analysis (Studi Kasus: Gedung Perkantoran Tiga Tingkat yang Runtuh Akibat Gempa Palu 2018): Building Seismic Performance Analysis with Pushover Analysis (Case Study: Three-level Office Building Collapsed Due to the 2018 Palu Earthquake) Wardi, Syafri; Ramadhani, Utari
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.v12i1.190

Abstract

Indonesia is an earthquake-prone country. The 2018 earthquake in Palu, Sulawesi, caused significant damage or collapse of the buildings. This research is aimed to evaluate the seismic performance of a three-story office building at Tadulako University and to evaluate what caused the collapse of the building. Evaluation of seismic performance was conducted using the default plastic hinge in SAP2000. The analysis results showed that the plastic hinge occurred first at the end of the beam, followed by the plastic hinge at the end of the column. The performance point from the intersection of the capacity curve and capacity spectrum based on ATC-40 indicated that the performance level of the building was damage control, which means that the building can resist seismic force and has a low risk of human death. These results did not represent the post-earthquake condition in which the building collapsed due to failure of the beam-column joint because the shear reinforcement was not installed in the beam-column joints. Further studies are necessary in order to develop an analysis model, including the failure model of the beam-column joint.
Evaluasi Rambu dan Marka Pada Kota Serang Ruas Jalan Veteran - Jalan Jendral Ahmad Yani: Evaluation of Signs and Markings in The Road Segment of Veteran - General Ahmad Yani Street in Serang City Bethary, Rindu; Budiman, Arief; Hibatullah , Aziz
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.v12i1.200

Abstract

One of the vital key collector roads in Serang City is Jl. Veteran - Jl. General Ahmad. This road serves an important purpose because it is one of the key routes in Banten Province. However, traffic congestion and accidents are common on this road. The purpose of this study was to determine the number of traffic signs and road markings on Jl. Veteran - Jl. General Ahmad Yani and whether they are in accordance with PERMENHUB No. 13 of 2014 and No. 67 of 2018, as well as to determine the location of the Directional Signs (RPPJ) and whether they are in accordance with the stopping sight distance analysis (JPH) according to PERMENHUB No. 13 of 2014. The analysis of the suitability of signs from 78 signs and 24 road markings on Jl. Veteran - Jl. General Ahmad Yani revealed that 23 signs (29.49%) did not comply with PERMENHUB regulations No.13 of 2014, and 11 road markings (45.83%) did not comply with PERMENHUB regulations No.67 of 2018. The result of this study also revealed that 3 signs (50.00%) of the 6 observed signs fulfilled the stopping sight distance analysis on Jl. Veteran - Jl. General Ahmad Yani and the reverse direction.
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.

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