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Media Ilmiah Teknik Sipil
Published by Universitas Muhammadiyah Palangkaraya
ISSN : 02161346     EISSN : 24073857     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
The publication of Media Ilmiah Teknik Sipil certainly participates in disseminating the results of research and review of science and technology development conducted by lecturers and researchers especially from UM Palangkaraya and other universities. This edition contains 8 articles consisting of civil engineering topics.
Arjuna Subject : -
Articles 193 Documents
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Analisis Manfaat Ekonomi Rencana Pelebaran Jembatan Mangunharjo Kota Madiun Ditinjau Dari Sisi Lalu Lintas: Analysis Of The Economic Benefits Of The Mangunharjo Bridge Widening Plan In Madiun City From The Traffic Perspective Jawara, Kholiddien Tyas; Ansusanto, J. Dwijoko
Media Ilmiah Teknik Sipil Vol. 13 No. 3 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v13i3.11041

Abstract

The Manguharjo Bridge has a traffic width of 6.50 m (two lanes in two directions) and is prone to congestion due to high traffic flow and limited road capacity. Congestion causes economic losses, environmental pollution, and energy waste. The Madiun City Government has proposed widening the bridge to address these issues. Based on this overview, a study is needed to assess the economic benefits of the Manguharjo Bridge widening plan. This research uses a quantitative methodology to analyze the benefits of widening the Manguharjo Bridge with two alternative lane widths over the bridge's 75-year lifespan. Primary data includes geometric surveys, traffic volume, and land use. Secondary data includes vehicle growth, time value, and vehicle component prices. Traffic performance analysis uses PKJI 2023, traffic forecasting, Vehicle Operating Cost and time value savings to evaluate the project's benefits. Based on the analysis results, Alternative 1 yields Vehicle Operating Cost savings of IDR 1,504,929,465,276 and time value savings of IDR 8,672,188,817,959. Alternative 2 achieved Vehicle Operating Cost savings of Rp3,903,545,756,479 and time value savings of Rp9,852,675,485,931. The results of the above analysis show that Alternatives 1 and 2 have good economic efficiency, which will be used for evaluation in determining the width of the traffic lanes on the Manguharjo Bridge.
Analisis Geometri Jalan Tambang Batubara Pada Kegiatan Overburden Removal di PT Satria Alam Manunggal Site TOP Desa Buhut Jaya Kabupaten Kapuas Provinsi Kalimantan Tengah: Analysis Of Mine Road Geometry In Overburden Removal Activities At PT Satria Alam Manunggal Site TOP Buhut Jaya Village Kapuas Regency Central Kalimantan Province Anisa; Tanggara, Deddy Nan Setya Putra; Wijaya, Dody Ariyantho Kusma; Noveriady; Fridtriyanda, Asri
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

This study was conducted at PT Satria Alam Manunggal Site TOP to analyze the effect of road geometry conditions on the performance of Scania P410-B6x4 transport equipment in overburden material transportation activities. The haul route from the front to the disposal site is 2.4 km long, with an average hauler productivity of 33 BCM/hour, while the company's target is set at 40 BCM/hour. This situation indicates an issue with the hauler's travel time when transporting overburden material from the front to the disposal site, resulting in the hauler's productivity not being achieved. The analysis was conducted by dividing the haul road into 29 segments, consisting of 27 straight segments and 7 curved segments. The minimum width of straight roads is 9.1 meters for two lanes and 5.2 meters for one lane, while for curves, the minimum width is 16.29 meters and 9.31 meters, with a maximum road gradient (grade) of 8%, as well as other elements such as curve radius, superelevation, cross slope, safety berm, and drainage channels, also affect operational comfort and safety. The objective of this study is to evaluate and provide recommendations for road geometry improvements to meet technical standards, thereby reducing travel time and increasing transportation vehicle productivity.
Perilaku Mekanik Model Castellated Beam Pada Struktur Girder Baja Pedestrian Bridge Dengan Metode Elemen Hingga: Mechanical Behavior Of Castellated Beam Model In Steel Girder Structure Of Pedestrian Bridge Using Finite Element Method Taufik, Syahril; Yulistiawan
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

Castellated Beam is an efficient steel structure innovation, but it has the potential  for Local Buckling due to holes in the web. Formation of Castellated Beam profiles  from Hot Rolled Section WF 350x175x11x7 profiles to CB 525x175x11x7. The study analyzed the behavior  of Castellated Beam models  with variations in hexagonal hole cutting angles, flat structure geometry, camber and hybrid configurations. Element method analysis up to ANSYS R2025 steel girder structure application  modeled 3D Shell Element SHELL181. The Shell Model is more accurate in representing  the Castellated Beam structural response  and is more efficient and easy in the computational modeling process, more suitable for the analysis  of the Castellated Beam structure. The results of the 52° cutting angle study resulted in maximum strength. Castellated Beam camber with stiffener increases the ultimate load by 88.78% and decreases deformation by 40.36%. Hybrid configuration  by improving the quality of the top flange can increase the performance of the structure by 40.38% by lowering the maximum voltage by 10%. The addition of a diaphragm to a double hybrid Castellated Beam un-camber span of 12 m and a distance between girders of 2.65 m can reduce deformation by 33.41%. Hybrid Castellated Beam camber is optimal in improving the performance of the structure efficiently. An increase in structural strength is obtained with an increase in maximum load that results in a bending stress close to the melting stress of each Castellated Beam hybrid element of about 90%-95%.
Pengaruh Pasir Laut Sebagai Alternatif Pengganti Pasir Sungai Pada Campuran Beton Mutu Normal: The Effect Of Sea Sand As An Alternative Substitute For River Sand In Normal Quality Concrete Mixes Indriani, Lilis
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

The demand for concrete as a construction material continues to increase along with infrastructure development, resulting in intensive use of river sand as fine aggregate and potential environmental degradation. Therefore, sustainable alternative materials are required, one of which is sea sand that is abundantly available in coastal areas. This study evaluates the feasibility of sea sand from Kuala Pembuang, Seruyan Regency, as a substitute for river sand in normal-strength concrete and analyzes the relationship between sea sand content and concrete compressive strength. The research employed a laboratory experimental method with sea sand substitution levels of 0%, 50%, and 100%. Compressive strength tests were conducted at curing ages of 7 and 28 days, and the data were analyzed using quadratic polynomial regression. The results show that the relationship between sea sand substitution and concrete compressive strength can be expressed by the equation Y=317.5+0.7550X+0.0175X2, indicating that variations in sea sand proportion significantly influence concrete strength. Based on these findings, sea sand from Kuala Pembuang has potential to be used as an alternative fine aggregate for normal-strength concrete at appropriate substitution levels.
Analisis Kinerja Simpang Bersinyal Dan Penanganan Dampak Kemacetan Pada Jalan Raya Jenggala – Jalan Raya Pahlawan Kecamatan Gedangan Dengan Metode PKJI 2023: Analysis Of Signalized Intersection Performance And Handling Of Congestion Impacts On Jenggala Road – Pahlawan Road, Gedangan Sub-District Using The PKJI Method 2023 Anggraeny, Efristka; Utomo, Nugroho; Alfiansyah, Dzulfiqar
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

The Jenggala Highway – Pahlawan Highway intersection is located in an industrial warehouse area and adjacent to a railway crossing. This condition causes this intersection to have a high level of traffic activity and causes congestion. From these problems, the performance of this intersection has a saturation degree of 1.07 in the afternoon and an intersection delay of 54.87 seconds/SMP. Therefore, this intersection requires treatment to make the intersection performance more efficient. The treatment carried out was replacing the signal phase setting from initially 2 phases to 3 signal phases and East approaches are not allowed to turn left. So the saturation degree value after treatment was 0.75 in the afternoon and a decrease in intersection delay of 37.90. This saturation degree value has met the performance requirements for signalized intersections, which is less than 0.85 according to the handbook Indonesian Road Capacity (PKJI) 2023.
Model Prediksi Tinggi Muka Air Sungai Menggunakan Jaringan Syaraf Tiruan: River Water Level Prediction Model Using Artificial Neural Networks Agusman; Wahyudi, S. Imam; Pranoto, A. Wati
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

This study developed a water level prediction model using the integration of Artificial Neural Network (ANN) and Long Short-Term Memory (LSTM). ANN maps nonlinear relationships between hydrological parameters, while LSTM captures temporal dependence patterns in time series data. The comparison results of four models—Linear Regression, ANN, LSTM, and ANN–LSTM hybrid—showed that the neural network-based model provided significantly better prediction performance than the linear model. The Linear Regression model produced the largest error (MSE 0.0175; RMSE 0.128; MAE 0.103; R² 0.785), followed by ANN with a significant increase in accuracy (MSE 0.0114; RMSE 0.101; MAE 0.0549; R² 0.874). LSTM provided better results (MSE 0.0048; RMSE 0.067; MAE 0.0472; R² 0.902), but the best model was the hybrid ANN–LSTM with the lowest error value (MSE 0.00417; RMSE 0.063; MAE 0.0388) and the highest R² (0.937). This combination is able to capture nonlinear patterns and temporal dynamics more optimally, resulting in stable and accurate predictions. In addition, this study shows that the Duflow hydrodynamic model has the potential to be developed as a mitigation simulation tool for water level management, such as testing extreme rainfall scenarios, spatial changes, flood control infrastructure operations, channel optimization, and simulating the impacts of climate change.
Analisis Kinerja Ruas Jalan Akibat Hambatan Samping (Studi Kasus : Jalan Soekarno Hatta, Labuhan Bajo, Manggarai Barat): Road Performance Analysis Due To Side Obstacles (Case Study: Soekarno-Hatta Road, Labuhan Bajo, West Manggarai) Tuati, Anie A.; Daud, Deasi D. A. A.; Wayan, Ambrosius R. L.; Nama, Arnoldus; Ndoen, Axceel J.
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

Labuan Bajo is the city center of West Manggarai Regency, known as a tourist city that has one of the seven wonders of the world, namely the Komodo Island tourist attraction, which makes Labuan Bajo city crowded with local and foreign tourists. There are several road sections in Labuan Bajo that are still ineffective due to certain factors. One of them is the performance of the Soekarno Hatta road section which is still ineffective due to the activities of food places (culinary tourism of the village end), docks, shops, hotels and offices that cause roadside obstacles that cause congestion. The performance of the road section is analyzed based on the Indonesian Road Capacity Guidelines (PKJI) in 2023. Based on the results of research and field observations, it shows that the large number of vehicles parked and stopped (side obstacles) on the road section is not balanced with parking facilities. This results in the actual speed of the road section becoming lower at 13 km / h. The performance of the road section based on the results of the saturation degree analysis (Q/C ratio) is at service level F with a saturation degree (DS) value of 1.08, with volume above road capacity, long queue, and low speed, because internal resistance is very high and drivers are starting to experience short-duration congestion.
Analisis Penerapan Supplied By Owner Material Konstruksi Beton Terhadap Biaya Dan Tingkat Komponen Dalam Negeri (TKDN) Pekerjaan Konstruksi Jaringan Irigasi Ciwates: Analysis Of The Implementation Of Supplied By Owner Concrete Construction Materials On Cost And Domestic Component Level (TKDN): Ciwates Irrigation Network Construction Works Wibawa Mukti, Aditya; Bambang Priyambodo; Pio Ranap Tua Naibaho
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

Amidst global food security challenges and post-pandemic economic fluctuations, the development of robust agricultural infrastructure has become an inevitable national priority, as outlined in Presidential Instruction Number 2 of 2025. However, fiscal realities at the regional level often present a paradox: the need for infrastructure rehabilitation is increasing while fiscal space is narrowing. This research highlights this phenomenon in Serang Regency, where the budget trend for irrigation management shows a significant decline from 2021 to 2025. This thesis proposes and tests the effectiveness of the Supplied by Owner (SBO) procurement method as a technocratic solution to bridge this gap. Through a case study approach on the Ciwates Irrigation Network Improvement project, this research conducts an in-depth comparative analysis of two key variables: construction cost efficiency and the optimization of Domestic Component Level (TKDN) in concrete works. The methodology combines contract document analysis, market price simulation, and material supply chain audit. The research results reveal empirical findings that the implementation of SBO is capable of generating a cost efficiency of 3.04% (equivalent to IDR 57,380,000.00) from a total conventional project value of IDR 1,886,459,000.00 to IDR 1,829,079,000.00. More significantly, this method proved to be a strong catalyst for increasing TKDN through the use of PT. Conch Cement Indonesia products, recording an increase of 9.21 percentage points from 52.18% to 61.39%. These findings confirm that SBO is not merely a savings mechanism, but a strategic instrument for quality control and the affirmation of national industrial policy. This study recommends the institutionalization of SBO in regional procurement regulations for material-intensive projects.
Analisis Dampak Pembangunan Gedung Terhadap Kinerja Jaringan Jalan Di Kecamatan Murung Pudak, Kabupaten Tabalong: Traffic Impact Analysis Of Building Development On Road Network Performance In Murung Pudak, Indonesia Hidayat, Muya Ryan; Ridhani Noor Fauzi, Ahmad; Azhar, Muhammad
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

The development of buildings in urban areas has the potential to increase trip generation and attraction, which in turn affects the performance of the surrounding road network. This condition needs to be examined, particularly in areas with relatively high traffic growth, such as Jl. Ir. PH. Moch. Noor, Murung Pudak District, Tabalong Regency. This study aims to evaluate existing traffic conditions and road performance, and subsequently compare them with the performance of the road network after the building becomes operational. The methods employed include traffic volume surveys on four road segments surrounding the development site, road capacity analysis based on the Indonesian Highway Capacity Guidelines (PKJI) 2023, and traffic projection modeling using trip generation (ITE), trip distribution (Furness method), and traffic assignment with the CONTRAM software. The results indicate that under existing conditions, road performance ranges from Level of Service (LOS) A to C. However, in the five-year post-operation projection, several road segments experience an increase in the degree of saturation, reaching LOS D, particularly on segments with the highest traffic volumes. The newly generated and attracted trips, combined with overall traffic growth, have the potential to degrade road performance if not accompanied by adequate traffic management and access control measures implemented by the facility operator to maintain the performance of the road network.
Analisis Bottom Ash Limbah Batu Bara PLTU Pulang Pisau Sebagai Agregat Halus Pada Campuran Beton: Analysis Of Bottom Ash From Pulang Pisau Coal Plant Waste As Fine Aggregate For Concrete Mixture Diharyo, Diharyo; Saputra, Norseta Ajie; Delon, Ignatius; Nabila, Naswa; Priska; Cahyani, Sabila Ika; Anita, Meliyana; Rohani, Octafiana Indah; Prenki
Media Ilmiah Teknik Sipil Vol. 14 No. 1 (2026): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

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Abstract

Bottom ash is a solid waste product of coal combustion at coal-fired power plants (PLTU), the volume of which continues to increase in line with growing energy demand. One potential use of bottom ash is as a substitute for fine aggregate in concrete mixes, thereby reducing the use of natural sand and minimizing the environmental impact of waste disposal. This study aimed to analyze the physical characteristics of bottom ash from the Pulang Pisau PLTU and evaluate its compliance with SNI 1969-2008 and SNI 1970-2008 testing requirements. The research phases included bottom ash sampling, physical characteristic testing (gradation analysis, specific gravity, water absorption value, and silt content), and subsequent evaluation against standard characteristics in accordance with SNI 1969-2008 and SNI 1970-2008. The results showed that the bottom ash from the Pulang Pisau PLTU had a fine, irregular gradation, a specific gravity lower than natural sand, and high porosity, potentially affecting the water absorption rate of the concrete. Overall, the bottom ash from the Pulang Pisau PLTU (Coal-fired Power Plant) is deemed suitable for use as an alternative to fine aggregate in concrete mixes. This utilization not only supports the reduction of natural aggregate use but also provides a more sustainable solution for industrial waste management.

Page 19 of 20 | Total Record : 193

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