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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 16 Documents
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Search results for , issue "Volume 29, Nomor 1, JULI 2023" : 16 Documents clear
Evaluasi dan Analisis Struktur Beton pada Jembatan Kalikuto di Ruas Jalan Tol Batang Semarang Indriyantho, Bobby Rio; Susanty, Aries; Sumardi, Sumardi; Nuroji, Nuroji
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.54785

Abstract

Kekuatan struktur suatu jembatan menjadi faktor yang sangat penting untuk keamanan dan keselamatan pengendara terutama di ruas jalan tol. Pemeriksaan secara berkala terhadap kesehatan bangunan jembatan perlu dilakukan, salah satunya evaluasi terhadap struktur beton eksisting. Penelitian ini mengevaluasi dan menganalisis struktur beton pada Jembatan Kalikuto yang merupakan bagian dari Jalan Tol Batang Semarang. Kombinasi dari destructive dan non-destructive test (DT dan NDT) seperti pemetaan kekuatan beton menggunakan core drill dan hammer test, kualitas kepadatan beton menggunakan Ultrasonic Pulse Velocity (UPV), serta konfigurasi tulangan di dalam beton menggunakan rebar scanner. Sementara itu, karbonasi dan korosi terhadap material beton juga dilakukan evaluasi. Kekuatan tarik beton terhadap cabut angkur juga dianalisis menggunakan software metode elemen hingga. Secara keseluruhan, kondisi struktur Jembatan Kalikuto masih sangat baik dioperasikan untuk jalur transportasi darat hingga masa layan bangunan rencana, yaitu kuat tekan sesuai dengan spesifikasi, kepadatan beton berkisar antara 4356,67 – 5275,33 m/s, konfigurasi tulangan sesuai dengan as built drawing, tidak terjadi karbonasi dan lebih 90% struktur tidak menunjukkan indikasi korosi. Cabut angkur diprediksi tidak akan terjadi karena gaya tarik tidak melampaui hasil simulasi. Perawatan secara berkala diperlukan untuk menghindari struktur jembatan dari hal-hal yang dapat menurunkan kekuatan betonnya.
Metode Pembentukan Basis Data Spasial Rambu Lalu Lintas dengan Machine Learning Kresnanto, Nindyo Cahyo; Bahy, Muhammad Bintang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.49928

Abstract

Traffic signs are part of road equipment whose existence is very important, in addition to functioning as warnings, prohibitions, orders, or instructions for road users, traffic signs are also a means to reduce accidents and regulate driver behavior. Because of the importance of this function, it is necessary to collect accurate sign data in a spatial database. Currently, there have been many database developments for the management of traffic signs, but data collection is still done manually, by means of surveyors recording groups of traffic signs and entering them into the database. The difficulty faced is the time and accuracy of the surveyors when it comes to selecting groups of signs, this is due to the large number of groups/sub-groups of signs. This problem needs to be solved with the help of a sign group detection tool with an image recognition approach. This study aims to develop an image recognition method to extract photo geotagging information on traffic signs into spatial data and attributes of traffic sign groups. The object of the signs that are sampled are signs that are on roads with the status of provincial roads in the Special Region of Yogyakarta. The results showed that the machine learning-based image recognition accuracy reached 88.66%, further research is needed to improve accuracy by paying attention to the geotagging photo capture variable.
Analisis Tidak Langsung Pada Desain Terhadap Stabilitas Struktur Gedung Baja Suryoatmono, Bambang; Tumena, Fedora Marleen
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.50473

Abstract

Ada tiga metode yang tercantum di dalam AISC 360-16 Specification for Structural Steel Buildings untuk desain terhadap stabilitas, yaitu: Metode Analisis Langsung (DAM), Metode Panjang Efektif (ELM), dan Metode Analisis Orde Pertama (FOM). DAM merupakan metode yang diunggulkan oleh AISC. Berdasarkan metode tersebut, Rafael Sabelli mengusulkan metode lain, yaitu Metode Analisis Tidak Langsung (IAM). IAM merupakan metode yang baru dan belum banyak digunakan, serta belum masuk di dalam AISC 360-16. Kajian ini dilakukan dalam rangka melakukan studi penggunaan IAM dan membandingkan hasil analisisnya dengan DAM. Dengan menggunakan perangkat lunak analisis struktur nonlinear, dilakukan desain dan analisis terhadap stabilitas gedung baja delapan tingkat yang mengalami beban mati, beban hidup, dan beban angin. IAM memberikan pendekatan dengan sebuah faktor sederhana yang disebut B3 untuk mengatasi inelastisitas komponen struktur, ketidaksempurnaan komponen struktur, dan ketidakpastian dalam kekakuan komponen struktur. Dari studi yang telah dilakukan, hasil analisis menggunakan IAM menunjukkan hasil yang tidak jauh berbeda dengan DAM, dalam hal rasio demand-to-capacity, dengan IAM lebih konservatif dibandingkan dengan DAM. Penggunaan IAM dapat mempermudah proses desain tanpa mempengaruhi desain dalam hal ekonomi.
Pengaruh Inklusi Karet dan Semen yang Mengandung Graphene Oxide terhadap Perilaku Sifat Fisis dan Mekanis Tanah Faruqi, Muhammad Alfian; Mohammed, Bashar S; Anwar, Abdullah; Dharmawansyah, Dedy; Hermansyah, Hermansyah
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.38232

Abstract

Improving the physical properties of problematic soil has became fundamental consideration in various constructions, especially geotechnical engineering, to avoid failures, increase stability and strength of soil. Silty sand  is one of the problematic soils and often encountered in the field where the fine gradation contained in the soil allows the soil to easily deform under pressure and lateral forces. In this study, silty sand was mixed with three variations of crumb rubber content (5, 10, and 15% based on soil weight), 6% cement (based on soil weight), and 0.05% graphene oxide (based on cement weight) to measurement and analysis of physical and mechanical properties. Soil Consistency limits, compaction testing using the Proctor Apparatus, and direct shear test were carried out for each mixed variable. The test results showed that the consistency limits and dry density decreases with increasing rubber content in the soil-cement matrix containing graphene oxide. Substitution of graphene oxide into the soil-cement matrix was able to increase in the stress and shear strength of the soil at each in variation in rubber content.
Grafena Oksida dalam Konstruksi: Tinjauan Komprehensif tentang Prospek, Tantangan, dan Perkuatan Semen Berkelanjutan Ciawi, Yenni; Supariarta, Made Adi; Hidayati, Anissa Maria; Tonyes, Silvia Gabrina
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.55906

Abstract

The growing demand for cement production to support the rapid growth of the construction industry has resulted in a significant contribution to global carbon emissions due to the high energy requirements of cement production. Addressing this issue requires the development of eco-friendly cement modifiers/additives. Graphene, known for its exceptional properties, has emerged as a versatile material in various domains, including construction. Its incorporation into cement has exhibited promising prospects, surpassing geopolymer performance and enhancing cement quality. Nevertheless, challenges persist, such as inadequate dispersion in concrete mixtures and quality control issues during large-scale production. Harnessing the potential of graphene oxide can revolutionize cement performance and contribute to a more sustainable construction industry. Addressing dispersion challenges and ensuring successful large-scale production are pivotal steps towards realizing these benefits. This comprehensive review investigates the potential of graphene oxide in the construction sector, specifically focusing on its capacity to reinforce cementitious composites and highlighting the associated implementation challenges, paving the way for more sustainable cement production with a touch of scientific excellence.
Analisis Penurunan Gabungan Prefabricated Vertical Drain dan Stone Column Untuk Perbaikan Tanah Lunak Muis, Abdul; Wulandari, Sri
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.48050

Abstract

Tanah lunak tidak dapat dihindari keberadaannya dalam pembangunan suatu konstruksi, baik itu konstruksi jalan maupun bangunan Gedung. Perbaikan tanah dibutuhkan untuk mengatasi permasalahan tanah lunak, metode perbaikan tanah semakin berkembang dan beragam. Penelitian ini difokuskan untuk mempelajari perilaku interaksi penggabungan dua buah metode perbaikan tanah yaitu Prefabricated Vertical Drain (PVD) dan stone column (SC). Penelitian ini dilakukan dengan menggunakan PLAXIS 2D dengan model material Mohr-Coulomb (MC) dan Soft Soil (SS). Hasil penelitian menunjukkan bahwa penggabungan metode PVD dan SC memberikan keuntungan yaitu PVD dapat mempercepat waktu konsolidasi dan SC dapat mengurangi penurunan yang terjadi pada tanah. Penggunaan model material SS lebih besar penurunannya dibandingkan dengan menggunakan model material Mohr-Coulomb dengan penurunan 1,641 m untuk Soft Soil dan 0,463 m untuk Mohr-Coulomb. Variasi kedalaman SC mempengaruhi penurunan dan waktu penurunan, semakin panjang SC maka semakin kecil penurunannya dan waktunya semakin singkat, sedangkan PVD hanya mempengaruhi waktu saja. Penggabungan PVD dan SC menghasilkan penurunan dan waktu penurunan lebih baik dibandingkan dengan PVD atau SC saja. Variasi metode konstruksi menghasilkan sedikit perbedaan untuk model material MC, sedangkan untuk model material SS, metode konstruksi 2 lebih besar penurunannya dan waktu yang lebih singkat.
Risiko Proyek Konstruksi pada Tahap Pelaksanaan Pembangunan Jalan Tol (Studi Kasus: Proyek Pembangunan Jalan Tol Solo – Jogja) Susilowati, Fajar; Tyagita, Farah Claudias Nike; Miftahul Jannah, Ria; Chrisnawati, Yusfita
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.48840

Abstract

The Solo – Jogja Toll Road Development Project is a large-scale project with a large potential risk, especially at the project implementation stage. This research aims to find risks, obtain the level of risk by conducting a risk assessment, and recommend control measures against possible risks. The research method used in this study is HIRARC (Hazard Identification, Risk Assessment, and Risk Control). Purposive sampling was used to collect data from 30 respondents using a questionnaire based on certain criteria. The testing of this research instrument is in the form of validity and reliability tests using SPSS. In this research, 5 risk groups were identified during the implementation stage of the Solo - Jogja Toll Road Construction Project, including project risk, technical risk, natural risk, human risk, and occupational health and safety risk. The results of the analysis explained that the project has a risk range from low to high levels. The risk included in the high-level category is the risk of damage to roads around the project due to heavy equipment, such as dump trucks, project materials carriers, and trucks mixer. The risk can be minimized by creating a safe project access road, so that project activities do not cause further damage to the road.
Pemodelan Genangan Banjir Sub DAS Bengkulu Hilir Provinsi Bengkulu Menggunakan Program Hec-Ras 5.0.7 Berbasis Ras Mapper dan Arc-Gis 10.8 Gunawan, Gusta; peri, Bes; Misliniyati, Rena; Trie Saputra, Iqbal Kurnia; patrianusa, Iqbal; Aqilah, Hauranda
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.53915

Abstract

 The Down Stream Air Bengkulu Watershed is part of the Air Bengkulu Watershed in Bengkulu Province. Flooding in this area frequently leads to major subdistrict, economy, and environmental impacts. The aim of the research is to develop a flood forecasting model that is capable of mapping potential flood areas in order to support flood control efforts. The method used is a hybrid model between a hydrological model, a hydraulics model and a Geographic Information System (GIS). The hydrological model is input to HEC-RAS software, It’s developed based on Snyder's Synthetic Unit Hydrograph (SUH). The hydraulics model was prepared using the software of HEC-RAS version 5.0.7 and the it’s output was used as material for preparing potential flood inundation maps. The potential flood inundation map was prepared by overlay method with the help of the Arc-GIS version 10.8 application. The research results show that the peak flood time is 7.43 hours with peak discharge for a 100 year return period of 1,542 m3/second. Flood inundation occurred in nine sub-Districts including Talang Empat District (552,819 ha), Karang Tinggi (391,648 ha), Selebar (24,118 ha), Singaranpati (95,806 ha), Ratu Samban (6,838 ha), Ratu Agung (212,173 ha), Sungaiserut (541,659 ha), Muara Bangkahulu (395,495 ha), and Pondok Kubang (197,167 ha). The conclusion of the research is that the model developed is able to answer peak times, area and water level of inundation as well as potential locations that will be flooded. 
Kapasitas Tiang Tunggal pada Tanah Lempung Berdasarkan Hasil Uji Model Fisik Waruwu, Aazokhi; Susanti, Rika Deni; Simbolon, Doni Samuel; Asfira, Dinda Wulan
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.52111

Abstract

Tanah lempung lunak sebagai tanah dasar konstruksi memerlukan perkuatan berupa tiang-tiang untuk mengurangi penurunan dan meningkatkan kapasitas dukung. Material alternatif yang dapat digunakan dapat berupa tiang bambu atau tiang kayu. Tujuan kajian ini untuk mengetahui seberapa besar kapasitas dukung tiang-tiang ini dibandingkan dengan tiang beton. Penelitian dilakukan menggunakan uji model fisik di laboratorium. Tiang berdiameter 2 cm dengan panjang yang berbeda-beda dipancang ke dalam lempung kemudian diuji menggunakan pelat-pelat beban. Kapasitas tiang tunggal ditentukan dari hubungan beban dengan penurunan tiang. Hasil penelitian menunjukkan bahwa kapasitas tiang bambu dan tiang kayu masing-masing lebih tinggi 1,193 dan 1,086 kali kapasitas tiang beton. Hal ini disebabkan karena tiang beton memiliki berat yang lebih besar daripada tiang bambu dan tiang kayu. Berat beton menambah beban, sehingga penurunan semakin tinggi dan kapasitas tiangnya semakin rendah. Panjang tiang yang menghasilkan kapasitas yang lebih efektif didapatkan pada tiang-tiang dengan kedalaman minimum 3/5 dari ketebalan tanah lempung lunak.
Simulasi Model Sambungan Mekanis dengan Menggunakan Coupler Untuk Beton Pracetak Rosyidah, Anis; Edistria, Ega; Wijaya, Bunga Shafira
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 1, JULI 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i1.43164

Abstract

The use of mechanical joints can improve the performance of the connection and make the time more efficient. The purpose of this study was to determine the maximum tensile force, failure pattern and effect of epoxy thickness on the maximum tensile force, epoxy-bar bonding stress, and epoxy-coupler bonding stress of each splice type Grouted Coupler Connector. The research specimens were 6 pieces with varying thicknesses of epoxy and diameter of reinforcing steel. Software that supports the pullout test simulation is ANSYS and the research data processing method uses Simple Linear Regression Analysis. The output from the pullout test simulation is the maximum tensile force with a thickness of 25mm epoxy on the reinforcing steel D16, D22, and D25 of 91.156 kN; 148,090 kN, and 203,295 kN. All the test specimens have an epoxy coupler slip failure pattern. And the concluded from the simple linear regression analysis is a significant effect between the thickness of the epoxy on the maximum tensile force and bond stress, with a negative regression coefficient value. The optimum value of using thick epoxy with a varying diameter of reinforcing bars is 25mm.

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