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MEDIA KOMUNIKASI TEKNIK SIPIL
Published by Universitas Diponegoro
ISSN : 08541809     EISSN : 25496778     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Media Komunikasi Teknik Sipil (ISSN 0854-1809) published twice in a year, in July and December. The article can be product of researches, scientific thoughts or case study, in civil engineering and isn’t formed by politics, commercialism, and subjectivity unsure. This scientific journal contains articles of thought and research results in Civil Engineering that have never been published in scientific journals or other media.
Arjuna Subject : -
Articles 17 Documents
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Search results for , issue "Volume 31, Nomor 2 (2025)" : 17 Documents clear
Analisis Integratif Metode Hindcasting dan Pengukuran Lapangan untuk Pemodelan Tinggi dan Periode Gelombang di Pantai Glagah Bangguna, David; Pakpahan, Irnovia; Tangkeallo, Marthen; Abulebu, Henny; Bansambua, Elce; Lawodi, Yulisnawati; Antameng, Elizabeth; Zebua, Sandi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.74413

Abstract

The hindcasting method uses past wind data to estimate wave height (Hs) and wave period (Tp). The study aims to compare the wave height and period of the Sverdrup-Munk-Bretschneide (SMB), Finite Water Depth (FWD), and Joint North Sea Wave Project (JONSWAP) hindcasting methods with field measurement results. Wind data is sourced from NASA Prediction of Worldwide Energy Resources (POWER) Data Access Viewer (DAV) v2.4.9 for 2015-2024. The analysis results show that the wave height of the JONSWAP method is greater than the SMB and FWD methods. The wave height and period of the SMB and FWD methods have almost the same values. The difference between the three hindcasting methods is because the parameters used to calculate the wave height and period are different, the SMB method only uses the effective fetch length parameter (Feff), the FWD method uses the effective fetch parameter (Feff) and water depth (d), while the JONSWAP method uses the effective fetch parameter (Feff) and wind speed (UA). The wind speed (UA) parameter in the JONSWAP method has a very significant effect on wave height and period. For coastal structure planning, the JONSWAP method is more recommended, because the resulting wave height can function as a safety factor.
Dampak Pembayaran Uang Muka terhadap Arus Kas dan Kinerja Proyek Konstruksi Salim, Raymond Nicander; Wibowo, Andreas
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.65298

Abstract

Sektor konstruksi merupakan salah satu sektor ekonomi yang memberikan dampak signifikan terhadap pertumbuhan suatu negara. Kelancaran pembayaran uang muka sangat memengaruhi manajemen keuangan, terutama arus kas dan kinerja proyek konstruksi. Penelitian tentang dampak uang muka terhadap arus kas dan kinerja proyek konstruksi masih terbatas. Oleh karena itu, penelitian ini bertujuan untuk mengisi kekosongan tersebut. Metode penelitian ini melibatkan identifikasi faktor-faktor yang memengaruhi kelancaran pembayaran uang muka serta dampaknya terhadap arus kas dan kinerja proyek konstruksi, berdasarkan studi literatur sebelumnya. Data dikumpulkan melalui kuesioner dengan skala Likert. Penelitian ini menggunakan metode analisis kuantitatif Partial Least Square-Structural Equation Modeling (PLS-SEM) dengan perangkat lunak SMART PLS 3 untuk mendapatkan hasil uji model outer dan inner dan evaluasi model fit. Hasil penelitian menunjukkan bahwa faktor yang memengaruhi kelancaran pembayaran uang muka adalah kekuatan finansial klien, perjanjian kontrak yang jelas, dan reputasi kontraktor. Dampak pembayaran uang muka terhadap arus kas mencakup kepastian pembayaran material, tenaga kerja, dan mobilisasi peralatan. Sedangkan dampaknya terhadap kinerja proyek mencakup mobilisasi peralatan, penggunaan peralatan sesuai spesifikasi, serta pengurangan pembengkakan biaya akibat fluktuasi harga material.
Peningkatan Parameter Kuat Geser Clay Shale Menggunakan Xanthan Gum Modifikasi Polyvinyl Alcohol (PVA) Ismail, Chandra; Putra, Heriansyah; Apriadi, Apriadi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.66731

Abstract

Karakteristik kembang susut pada tanah clay shale dapat menimbulkan berbagai permasalahan dalam konstruksi. Penelitian ini bertujuan untuk mengevaluasi penggunaan xanthan gum (XG), polyvinyl  alcohol (PVA) dan kombinasi keduanya untuk meningkatkan parameter kuat geser tanah clays hale. Berbagai pengujian laboratorium dilakukan, mulai dari pengujian properties fisik berupa pengujian berat jenis, gradasi dan batas atterberg serta properties mekanis berupa pengujian kuat geser tanah untuk mengevaluasi pengaruh penambahan xanthan gum dan PVA beserta kombinasinya terhadap parameter tanah. Xanthan gum dan PVA dicampurkan ke dalam tanah menggunakan metode dry mixing dan wet mixing secara terpisah.  Hasil penelitian ini menunjukkan bahwa penambahan xanthan gum, PVA dan modifikasinya mampu meningkatkan nilai indeks plastisitas tanah berturut-turut sebesar 156%, 98% dan 6%. Modifikasi xanthan gum menggunakan polyvinyl alcohol mampu meningkatkan nilai kohesi dan sudut gesek dalam pada clay shale sebesar 200% dan 103%. Penelitian ini menyimpulkan bahwa penambahan PVA pada Xanthan Gum mampu meningkatkan kekuatan clay shale secara efektif.
Optimasi Kinerja Seismik Sambungan Struktur untuk Aplikasi Rekayasa Teknik Sipil Suswanto, Budi; Casita, Cintantya Budi; Chiu, Chien-Kuo; Triwulan, Triwulan; Masiran, Hidayat Soegihardjo; Kristijanto, Heppy; Iranata, Data
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.68632

Abstract

This study evaluates the seismic performance of steel moment-resisting frames through the integration of reduced beam sections (RBS) with externally reinforced cover plates. Three-dimensional finite element analyses under cyclic loading were conducted to assess the influence of cover plates on different RBS geometries, including radius cut (RBSCP-RC), straight cut (RBSCP-SC), tapered cut (RBSCP-TC), and drilled flange (RBSCP-DF). The objective of this study is to investigate the effects of geometric variation on seismic response, moment capacity, and ductility of hybrid RBS–cover plate (RBSCP) connections. The novelty of this research lies in the systematic development and evaluation of a hybrid RBS–cover plate connection that combines the energy dissipation capability of RBS with the strengthening function of cover plates. This configuration is intended to shift plastic hinge formation away from the column face, reduce the risk of premature weld failure, and improve connection strength and energy dissipation. The numerical results indicate that the incorporation of cover plates significantly enhances the seismic performance of RBS connections, with the radius-cut configuration demonstrating the most stable hysteretic behavior and the highest energy dissipation capacity. These findings emphasize the importance of geometric optimization in hybrid RBS–cover plate designs and provide valuable guidance for improving the seismic resilience of steel moment-resisting frames.
Peningkatan Manajemen Mutu Proyek Konstruksi: Implementasi Six Sigma Rani, Hafnidar A.; Amin, Jurisman; Fernanda, Muhammad Rafly; Rahman, Rahimi A.
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.70000

Abstract

This research investigates the effectiveness of Six Sigma methodology in enhancing quality management within the Post-Disaster Courthouse Construction Project in the Regional Court of Banda Aceh. Grounded in quality management and project management principles, particularly the Define, Measure, Analyze, Improve, Control (DMAIC) approach. The study aims to identify implementation processes and assess Six Sigma's efficacy. Utilizing a structured questionnaire administered to contractors involved in the project, data analysis included factor analysis, descriptive analysis, and DMAIC approach assessment. Findings reveal considerable focus on quality planning and management, with identified areas for quality control enhancement. Actionable insights from the DMAIC approach highlight opportunities for refining quality management processes. This study underscores the significance of effective quality management in construction projects, offering practical recommendations for stakeholders and emphasizing continuous training and collaboration to optimize quality outcomes. By applying Six Sigma to construction buildings, this research contributes to advancing quality management practices in similar contexts, with implications for project success and client satisfaction.
Evaluasi Kinerja Strategi Sinyal Prioritas Bus pada Sistem Bus Rapid Transit Yulianto, Budi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.78174

Abstract

Population growth and rapid urbanization have increased transportation demand and triggered traffic problems. Capacity-based approaches often exacerbate these conditions, highlighting the need for a sustainable transportation concept. The government has designated the development of public transportation as a national priority program, one of which is through bus rapid transit (BRT). To ensure the efficiency, reliability, and attractiveness of BRT, the implementation of bus signal priority (BSP) is essential. This study aims to evaluate the performance of passive and active BSP strategies at signalized intersections within a BRT system using VISSIM microscopic simulation. The strategies analyzed include cycle time adjustment, phase splitting, red truncation, green extension, and phase insertion. The simulation results indicate that the most effective strategies are cycle time adjustment with the early cut off concept for passive BSP and phase insertion for active BSP. The performance of BSP strategies is influenced by the number of phases, traffic movement patterns, and bus service frequency, which vary according to the applied strategy. This study recommends selecting BSP strategies through comprehensive simulation study to achieve both effective performance and cost efficiency before implementation.
Kinerja Model Kotak Infiltrasi Pada Kondisi Tanah Jenuh dan Tidak Jenuh untuk Mengurangi Genangan di Jalan Perkotaan Tribhuwana, Awliya; Wahyudi, Slamet Imam; Ni'am, Moh Faiqun; Adi, Henny Pratiwi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.70837

Abstract

Flooding on road surfaces due to heavy rainfall is a major problem, especially in urban areas. This situation requires an infiltration-based control system in accordance with the Low Impact Development (LID) concept. The infiltration box model is one solution to reduce inundation around road medians. This study aims to realize the infiltration box model, analyze the flow behavior of the model in the road median, and compare the model's performance under saturated and unsaturated soil conditions. The research method was carried out experimentally using flow in a laboratory flume channel. Based on the road area and return rainfall for a 2-year period, a discharge model of 0.109 l/s was used. The parameters analyzed included runoff discharge, infiltration discharge, and the volume of the box reservoir. The results showed that under saturated soil conditions, runoff reached 74.69% of the rainfall discharge, while infiltration and reservoir were only 11.20% and 5.89%, respectively. Under unsaturated soil conditions, runoff decreased to 46.65%, while infiltration increased to 30.43% and the box reservoir to 12.78%. Infiltration discharge in unsaturated soil was recorded at approximately 2.7 times greater than in saturated soil. These results demonstrate the influence of soil water content on the infiltration box performance model. Infiltration boxes should be integrated with other road drainage systems, including water pipes running under the road to the roadside drains.

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