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INDONESIA
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
 1   2 
Search results for , issue "Volume 31, Nomor 1 (2025)" : 17 Documents clear
Pengaruh Beban Siklik Pada Tanah yang Distabilisasi Dengan Kapur Terhadap Nilai CBR Arrazi, Shamer; Nurtjahjaningtyas, Indra; Wicaksono, Luthfi Amri
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.71273

Abstract

Roads built on soft clay soils will experience damage before the service life is complete. One of the most common damages is potholes. The cyclic load is the repetitive load caused by the wheels of a vehicle. Stabilization of the subgrade needs to be done to overcome this problem, namely by adding lime. The lime used is quicklime from Sampang, Madura. The research was conducted to obtain the optimum lime mixture in the soil. CBR test was conducted on the soil with 3%, 5%, and 7% lime mixture. After that, cyclic loading was applied to analyze its effect on the CBR value. The original soil had a CBR value of 11.36% which then decreased to 5.79% after cyclic loading. The CBR values of 3%, 5%, and 7% lime-stabilized soil were 31.96%, 35.22%, and 34.48%, respectively. The optimum lime mixture in this study is 7% with a CBR value of 34.48% and a decrease in CBR value due to cyclic loading to 30.74%. Stabilization with lime can increase the CBR value up to 5% lime mixture. The addition of excess lime will reduce the CBR value. In addition, the decrease in CBR value due to cyclic loading decreases with the addition of lime. This is because the absorption and flocculation reactions by lime cause changes in the distribution of soil grain gradation.
Penilaian Tata Kelola Sistem Drainase Berbasis Prinsip-Prinsip OECD Water Governance Kusumadewi, Adlina; Adi, Henny Pratiwi; Wahyudi, Slamet Imam
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.68655

Abstract

Urban drainage systems play a critical role in managing excess water to prevent flooding, yet challenges such as rapid urbanization, land-use changes, and climate change exacerbate these issues. In Semarang, factors like clogged channels, sedimentation, land subsidence, and tidal flooding further complicate drainage management. The Organisation for Economic Co‑Operation and Development (OECD) Water Governance approach, with its emphasis on effectiveness, efficiency, and stakeholder engagement, provides a promising framework for improving water governance. However, its application in Indonesia, particularly in Semarang, remains underexplored. This study evaluates the implementation of OECD Water Governance principles in managing the Tenggang River drainage system to promote sustainable water governance. Using the OECD Water Governance Indicator Framework, the research assesses the application of 12 principles through a combination of literature review, questionnaires, and interviews with government officials and community representatives. A descriptive analysis supported by interview findings reveals that the principles are moderately well implemented, though discrepancies exist between government and community evaluations. Government respondents provided higher scores for the dimensions of effectiveness (4.70), efficiency (4.73), and trust & engagement (4.88), compared to the community’s scores of 4.30, 4.07, and 4.40, respectively. Nonetheless, both groups rated the trust & engagement dimension the highest among all.
Perkuatan Struktur Beton Bertulang Dengan Metode FRP dan Concrete Jacketing Parmo, Parmo; Hakim, Abdul; Yusrianti, Yusrianti; Wicaksono, Bagus Gilbran Antoni
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.72695

Abstract

Applying the latest building earthquake resistance codes, SNI 1726:2019 to the reinforced concrete structure of the Islamic Center Building shows several column and beam elements that required strengthening, including beam B1, column K-Bordes, and column K3. This case study research aims to determine the appropriate strengthening method, the thickness of the additional column dimensions with the concrete jacketing method, and the number of FRP layers for columns and beams. Systematic steps in the study process starting from collecting existing data, field investigation, evaluation of structures in accordance with ASCE 41-17, structural modeling with SAP2000, and data analysis. The analysis showed that Column K-Bordes was confined with a thickness of 100 mm using concrete jacketing, Column K3 was strengthened with one layer of GFRP at the plastic hinge, and Beam B1 was strengthened with two layers of GFRP at the support area. Pull-off test showed GFRP adhesion strength values to concrete of 3.80 MPa (Beam B1) and 2.50 MPa (Column K3). This approach proves the effectiveness of the combined reinforcement method in increasing the structural capacity according to the latest earthquake codes.
Dampak Penambahan Fly Ash Pada Campuran Beton Terhadap Kuat Tekan dan Durabilitas Beton Akibat Serangan Sulfat Kushartomo, Widodo; Wildan, Vanessa Adistya; Prabowo, Andy
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.71566

Abstract

Concrete is the primary choice for construction projects, including its use in aggressive environments such as coastal areas. The high sulfate content in these environments poses a threat to the durability and compressive strength of concrete. The impact of sulfate attack on concrete can result in degradation and a decrease in concrete quality. Several methods have been used to maintain the durability of concrete, such as applying coatings to the surface of the concrete or using pozzolanic materials in the concrete mixture. In this study, Fly Ash was used as a pozzolanic material to reduce the impact of sulfate attack on concrete. The experiment involved adding Fly Ash to the concrete mixture in proportions of 0%, 10%, 20%, 30%, 40%, and 50% by weight of cement. Three test specimens were made for each variation in diameter and height of 10 cm and 20 cm, respectively. The durability test of the concrete used a magnesium sulfate (MgSO4) solution with a dry-wet cycle method according to SNI 3407-2008, which was conducted after curing in water for 28 days. The results of the test showed that adding Fly Ash to the concrete mixture has been proven to reduce damage and minimize the degradation of concrete quality due to sulfate attack compared to normal concrete without the use of Fly Ash. The use of Fly Ash also increased the compressive strength of all test specimens compared to normal concrete without Fly Ash.
Identifikasi Lokasi Rawan Kecelakaan Menggunakan Haddon’s Matrix, EAN, dan UCL di Kabupaten Tulungagung Istiyanto, Bambang; Putri, Raudina Rilawani
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.71536

Abstract

This study aims to identify accident-prone locations (blackspot) on the Cuwiri – Karangrejo road segment in Tulungagung Regency using the Equivalent Accident Number (EAN) and Upper Control Limit (UCL) methods. Accident data from 2021 to 2024 served as the basis for analysis. The calculation results show the highest EAN value of 870 and UCL value of 201.8, indicating a very high accident risk. Out of 23 stations, 7 were identified as blackspots with the highest EAN of 138 at STA 0+600-0+900 and UCL value of 59.27. The most common type of collision was front-rear (40 cases) and the most frequent vehicle involvement was motorcycle vs motorcycle (64 cases). The main contributing factors include human error, vehicle condition, and inadequate road infrastructure. The findings are expected to support the Tulungagung Regency Government in addressing accident-prone areas.
Studi Efisiensi Desain Jembatan Beton Prategang dengan Variasi Tipe I-Girder Herbudiman, Bernardinus; Nuranita, Badriana; Putra, Sandhi Maulana Ivan
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.70897

Abstract

The prestressed concrete type I (PC-I) girder is widely used in Indonesia’s flyovers due to its strength and construction efficiency. This paper deals with a case study of the Northern Ring Road Flyover structure in Tasikmalaya. The research is focused on stress and deflection ratios of a range of PC-I girder variations, including the existing girder, a smaller girder with more tendons, and a larger girder with fewer tendons. The loading standard follows SNI 1725:2016, while prestressing and capacity analysis refer to AASHTO LRFD Bridge Design Specifications. Result indicated that the H-170 PC-I girder with 3 tendons provides the most efficient design, with a top fiber stress ratio 0.86 and a deflection ratio 0.27 under permanent and live loads, with a total prestress loss of 19.6%.
Kelayakan Penerapan Pembangkit Listrik Hibrida di Bendungan Matenggeng Tirza, Evely; Yudianto, Doddi; Purwana, Okky Ahmad
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 1 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i1.70819

Abstract

Indonesia’s is focusing the electricity power production from non-renewable sources to renewable energy resources. Hydropower might be promising; however, its production is highly affected by seasonal variability. Matenggeng dam is designed as multipurpose dam, namely for supplying the irrigation system, flood control, and utilization in a hydropower system. Based on its design report, the Matenggeng Dam is planned to produce power of about 11.74 MWac at water elevation of +194 m. Due to seasonal variability, the power production decreases to 5.74 MWac at the lowest water elevation. Solar energy, on the other hand, has a great potential in Indonesia, this study is aimed to optimize the decrease in existing electricity production in Matenggeng Dam by hybridization of hydropower with floating solar power plants. According to the regulation of Indonesia’s public affair only 20% of the water surface area at normal condition can be used. By taking into account the reservoir operation pattern and the reservoir various conditions, the optimum water surface area that can be used for FPV installation is 295.7 hectare. The result showed that, the solar power plant successfully produces 14 GWh of energy annually, where the monthly generation is stable at 1,200 MWh per month.

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