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MEDIA KOMUNIKASI TEKNIK SIPIL

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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 isnâ€™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.

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Articles 471 Documents

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Analisis Pengaruh Fluktuasi Muka Air Waduk terhadap Stabilitas Lereng Waduk Dengan Menggunakan Program Plaxis 2D Wulandari, Paravita Sri; Tjandra, Daniel
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 2, DESEMBER 2018
Publisher : Department of Civil Engineering, Diponegoro University

Reservoir is needed as a source of water supply to the surrounding populations. The design of a reservoir needs to consider several aspects of soil embankment such as variations in water content and changes in shear soil shear strength and also the influence of water level in reservoir. The purpose of this research is to analyze these three aspects in the design of a reservoir. This research was begun by taking soil samples for embankment and conducting soil tests to obtain soil characteristics at the initial condition. The further laboratory tests were conducted to determine the effect of changes in water content on the shear strength of the soil. The variation of soil embankment characteristic was then modeled by Plaxis 2D program to obtain the effect of changes in soil embankment characteristic and fluctuation of the water level in the reservoir. The results showed that the increase in water content significantly decrease the shear strength of the soil. The changes of soil shear strength affect the pattern of slope failure and safety factor. In addition, the pattern and direction of the slope failure were also influenced by the water level of the reservoir.

Post Cracking Strength of PVA Fibers Reinforced Concrete Djamaluddin, Rudy
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 16, Nomor 1, PEBRUARI 2008
Publisher : Department of Civil Engineering, Diponegoro University

Rendahnya tegangan tarik dari material beton menyebabkan mudahnya timbul retakan pada sisi tertarik dari suatu elemen beton bertulang. Berbagai usaha telah dilakukan yang salah satunya adalah dengan menambahkan serta pendek pada adukan beton. Salah satu jenis serat yang dikembangkan adalah serat polyvinyl alcohol (PVA). Untuk keperluan sebagai bahan serat pendek material ini berdiameter antara 0.20 hingga 0.7 mm dengan panjang antara 12 mm hingga 30 mm. Material ini memiliki kekuatan lekatan yang tinggi terhadap bahan semen oleh karena sifat hydrophilicnya. Dengan kekuatan rekatan yang tinggi diharapkan bahan serat PVA dapat digunakan sebagai serat campuran pada bahan beton (FRC) untuk mengembangkan perilaku daktail pada beton setelah terjadinya keretakan. Salah satu parameter penting didalam perencanaan beton berserat atau Fiber Reinforced Concrete (FRC) adalah menetukan besarnya fraksi volume kritis yang diperluakan untuk memperoleh prilaku daktail yang diharapkan dimana tegangan setelah retakan pertama lebih besar.Kata kunci :Â PVA fibers, FRC, tegangan retak, betonPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3663[How to cite: Djamaluddin, R. (2008), Post Cracking Strength ofÂ PVA Fibers Reinforced Concrete, Jurnal Media Komunikasi Teknik Sipil, Tahun 16, No. 1, pp. 26-30]

PENGARUH GEOTEKSTIL PADA KUAT DUKUNG PONDASI TELAPAK DI ATAS TANAH GAMBUT A, Rachman; S.A, Nugroho
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 17, Nomor 2, JUNI 2009
Publisher : Department of Civil Engineering, Diponegoro University

Constructions over soft peat soil cause many problems. Therefore, research is required to improved soils bearing capacity. This research study aims to know the increase of soils bearing capacity with geotextile-reinforcement at the peat soil to the constructions with square footing. Geotextile-reinforcement variations are depth and wide of geotextile-reinforcement layer and stress distribution angle. The result of the study show that the addition geotextile-reinforcement increase soils bearing capacity up to 3 times of the soils without reinforcement. This increasing equivalent with increasing of geotextile-reinforcement dimensions and reduce with increasing of the depth of geotextile-reinforcement layer. qu and su of peat soil at the research has a different value, range 30 â€“ 42 kPa for qu and 8 â€“ 11 kPa for su. This difference show that peat soil has the ability to return to the condition before it compressed in the short time. Keywords: Peat soil, geotextile, reinforcement, bearing capacity, square footing. ABSTRAK Pembangunan konstruksi di atas tanah gambut menimbulkan banyak masalah, untuk itu perlu dilakukan penelitian mengenai perbaikan tanah gambut agar diperoleh daya dukung yang cukup. Dalam penelitian ini diteliti pengaruh penggunaan geotekstil untuk perkuatan tanah gambut pada bangunan dengan pondasi dangkal dengan memvariasikan kedalaman dan lebar, serta bagaimana pengaruh sudut penyebaran tegangannya. Dari penelitian yang dilakukan diperoleh hasil bahwa penambahan lapisan geotekstil akan meningkatkan daya dukung hingga 3 kali lipat tanah tanpa perkuatan. Peningkatan daya dukung sebanding dengan penambahan dimensi perkuatan yang digunakan dan berbanding terbalik dengan penambahan kedalaman. Nilai qu berkisar antara 30 â€“ 42 kPa sedangkan su memiliki nilai antara 8 â€“ 11 kPa. Perbedaan nilai ini menunjukkan bahwa tanah gambut memiliki kemampuan untuk kembali mengembang (unloading) dalam waktu yang singkat. Kata kunci : tanah gambut, geotekstil, perkuatan, daya dukung, pondasi bujur sangkar.

Pengaruh Pembebasan Tanah Terhadap Keterlambatan Proyek Pembangunan Jalan Tol Studi Kasus : Jalan Tol Cinere-Jagorawi Seksi II B Khofiyah, Ovie Lativatul; Angreni, Ida Ayu Ari
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 2, DESEMBER 2019
Publisher : Department of Civil Engineering, Diponegoro University

Land acquisition for Cinere-Jagorawi toll road section II B should be completed in 2010, but till now (status 15 June 2017) from the need of 17.6 HA, only 16,1353 HA or 91,677% are free. Progress of land acquisition resulted in progress deviation of construction. This study aims to analyze the effect of land acquisition which is resulted in the performance of Cinere-Jagorawi toll road project of section II B late. Data was collected by spreading questionnaires related to the stages and technical implementation of land acquisition, internal factors and external factors inhibiting land acquisition to respondents from Ministry of PUPR, BPN Depok, and community. The result of analysis using regression analysis obtained X15, X17, and X33 as the best variable. The conclusion is, X15 (Funding for public procurement is sourced from the State Budget) with a coefficient of 0.34 as the first influential factor, X17 (Data collection of land status and its document) with the coefficient of 0.257 as the second influential factor, and X33 (Limitations of time for BPN in handling land procurement due to the amount of land to be acquired) with the coefficient of 0.146 as the third influential factor.

Model Penjadwalan Pembagian Air pada Sistem Irigasi (Studi Kasus: Irigasi Riam Kanan) Fachrurazie, Chairil
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 1, Edisi XXXI, PEBRUARI 2005
Publisher : Department of Civil Engineering, Diponegoro University

The main problem of the agricultural activity is unbalanced system on the water supply to the rice plant field. This problem is faced on the case study of the B.Gt.6 Sub Area B Riam Kanan Irrigation System, which is unmatched between the water supply scheduling and its implementation on the field. To solve this problem is, determining the mathematical model which is easily to calculate. The aim of the mathematical model is to obtain the water supply schedule on the irrigation system from the channel to the rice plant field. The model of the linear program is obtained, which is hoped to be implemented on the irrigation network system actually with the qualitative aspect of the result by the case study in the B.Gt.6. Implementation of this study case obtaining the water supply schedule of the irrigation water areÂ xi3=36 and yi3=110Â for the destination function-1 and also xi3=36 and yi3=113Â for the destination function-2. The value of the minimum loss (z) is 6328 per square area unit in one day for the model I and 0 (zero) per square area unit in one day for the model II.Keywords: Water supply scheduling, linear program modelPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3895[How to cite: Fachrurazie, C., 2005, Model Penjadwalan Pembagian Air pada Sistem Irigasi (Studi Kasus: Irigasi Riam Kanan), Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 1, pp. 39-47] The main problem of the agricultural activity is unbalanced system on the water supply to the rice plant field. This problem is faced on the case study of the B.Gt.6 Sub Area B Riam Kanan Irrigation System, which is unmatched between the water supply scheduling and its implementation on the field. To solve this problem is, determining the mathematical model which is easily to calculate. The aim of the mathematical model is to obtain the water supply schedule on the irrigation system from the channel to the rice plant field. The model of the linear program is obtained, which is hoped to be implemented on the irrigation network system actually with the qualitative aspect of the result by the case study in the B.Gt.6. Implementation of this study case obtaining the water supply schedule of the irrigation water are xi3=36 and yi3=110 for the destination function-1 and also xi3=36 and yi3=113 for the destination function-2. The value of the minimum loss (z) is 6328 per square area unit in one day for the model I and 0 (zero) per square area unit in one day for the model II. Keywords: Water supply scheduling, linear program model

Panen Air Hujan di Kampus Universitas Diponegoro Nurrohman, Faisal; Waskita Eka Paksi, Satria; Sangkawati Sachro, Sri; Sugiyanto, Sugiyanto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 20, Nomor 2, DESEMBER 2014
Publisher : Department of Civil Engineering, Diponegoro University

The design of rainwater harvesting is planned for alternative water source in Universitas Diponegoro area and hopefully it can reduce the use of groundwater as the main source water to fill the demand of water in Universitas Diponegoro Tembalang area. The use of groundwater to fill the water demand in Universitas Diponegoro Campus for years 2014/2015 of 2.23 lt/dt it more than the optimum discharge are allowable to take the water wells is equal to 0.2-1 lt/dt. Based on that the planning of the rainwater harvesting building is made of with a volume of 245 m3 with a dimensions of 7m x 7m x 5m and dimensions of infiltration wells with a diameter of 1.5 and depth of 3m. Planning of the rain water harvesting in the Universitas Diponegoro Tembalang area the cost of Rp 275,465,000,- with the process of work for 29 days.

Pemberdayaan Sumber Daya Air untuk Berbagai Kepentingan Secara Berkelanjutan Sangkawati, Sri; Hadihardaja, Joetata
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 3, Edisi XXXIII, OKTOBER 2005
Publisher : Department of Civil Engineering, Diponegoro University

Water is essential for human life, for agricultural, industrial production and for water-based recreation and transportation. It is central to many national concern, including energy, food production, environmental quality, and regional economic development. Water as a public comodity which is not have valuable value, this condition will encourage the over consumpsion of the water. In the future, the management of water resources in Indonesia will be more difficult. The water demand will be increased as result population growth, in other hand the water resources will be more rare. The limitation of water supply will be a cause of conflict among community. In accordance of the water resource utilization, which is more and more limited, the water resources should be optimize and integrated and sustained. Privatitation of water resources is not againt the UUD 1945. As long as, the water thatÂ will be offer to other communityÂ as a result ofÂ water surplus of an area. Beside that, it should be improve the welfare of the community Keywords: Sumberdaya air, pengelolaan, pemberdayaan berkelanjutanPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3927[How to cite: Sangkawati, S. dan Hadihardaja, J., 2005, Pemberdayaan Sumber Daya Air untuk Berbagai Kepentingan Secara Berkelanjutan, Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 3, pp. 117-127]

Analisis Efektivitas Model Perkuatan dengan Injeksi Semen untuk Peningkatan Angka Keamanan Lereng Sumirin, Sumirin; Arief, Rifqi Brilyanto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

The problem of slope stability can be overcome by grouting of cement paste. But, the question often arises as to the extent of grouting of cement paste can increase the factor of safety. This study aims to determine the effectiveness of the effect of grouting on increasing safety factor on the slope of embankment. Experiments have been conducted in the laboratory using 6 types of mixed samples of sand and coarse aggregate. Field testing was conducted on 1 model to determine the effectiveness of grouting. The results of the experiments show that the injection of cement paste in this study proved to be effective in strengthening the embankment with the content of coarse aggregate 60%. The increase factor of safety (FS) using grouting is from FS= 1.9 (33.3%) to FS = 2.80 (90.0%). Factors determining the effectiveness of injection are: (a) injection method with drilling technique before injection to form cement column; (b) the optimum of water-cement ratio w/c = 1.5; (c) the ratio of spacing and injection diameter Lg / Dg = 8, the depth of injection 0.75 from the height of the embankment.

PEMILIHAN MODA ANGKUTAN PAKET SEMARANG - JAKARTA Wicaksono, Y I; Siswanto, Joko; Ryanto, Erry Derima
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 17, Nomor 3, OKTOBER 2009
Publisher : Department of Civil Engineering, Diponegoro University

The purpose of this research is to know service rate of package transport Semarang-Jakarta which is using railway and road moda. It is influenced by characteristic of package service supplier and user of package service it self. We wish the result can give describtion and information about moda choice of package transport. Surveyâ€™s result show that goods which is sent by package service, which is using railway moda consist of printed matter 39%, small wrapping 38% and package 23%, whereas type of goods which is sent by package service which is using road moda, consist of printed matter 12%, small wrapping 40% and package 48%. Cost of package transport Semarang â€“ Jakarta by railway moda cheaper than road moda. Railway moda is Rp. 919.000,- while road moda is Rp. 1.175,000,-. Package sending by railway moda is using bagage train, while road moda is using good car (truck). This reasech use 12 variable and 5 free variable are significant variable in moda choice of package transport, that are time of package sending, schedule of package sending, frequency of package sending, security of package and cost/tariff. Moda choice of package transport using road moda is influenced by variable of time, schedule, security and cost/tariff of package sending. Where as moda choice which is using railway moda is influenced by frequency package sending. Keywords : cost, tariff, frequency ABSTRAK Penelitian dilakukan untuk mengetahui tingkat pelayanan pengiriman paket Semarang Jakarta dengan menggunakan kereta api dan moda darat. Terdapat pengaruh yang diakibatkan adanya karakteristik jasa pelayanan paket dan penggunaan pelayanan paket itu sendiri. Ada keinginan untuk mendapatkan hasil yang dapat menggambarkan dan memberikan informasi mengenai pilihan moda pengiriman paket. Hasil survai menunjukkan bahwa barang yang dikirim melalui pelayanan paket dengan menggunakan moda kereta api terdiri dari barang cetakan 39%, bungkusan kecil 38% dan paket 23%, sedangkan jenis barang yang dikirim melalui jasa paket yang menggunakan moda jalan raya terdiri dari barang cetakan 12%, bungkusan kecil 40% dan paket 48%. Biaya operasi angkutan paket Semarang â€“ Jakarta dengan menggunakan kereta api relatif lebih murah yaitu sebesar Rp. 919.000,- dibandingkan dengan yang menggunakan jalan raya yaitu sebesar Rp. 1.175.500,-. Pengiriman paket melalui moda kereta api menggunakan gerbong barang sedang moda darat menggunakan truk dan penelitian dengan menggunakan 12 variabel dan 5 variabel bebas merupakan variabel yang cukup berarti dalam pemilihan moda pengiriman paket, lama pengiriman paket, jadual pengiriman paket, frekuensi pengiriman paket, keamanan paket dan biaya. Pemilihan moda pengiriman paket dengan menggunakan moda darat mempunyai keunggulan dari sisi waktu, jadual keamanan dan biaya, sedang pemilihan moda pengiriman dengan mengunakan kereta api unggul pada frekuensi pengiriman. Kata kunci : biaya, tarip, frekuensi

Kajian Penentuan Standart Kebutuhan Ruang Parkir Hotel Berbintang di Kota Semarang Ismiyati, Ismiyati
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 3, Edisi XXX, OKTOBER 2004
Publisher : Department of Civil Engineering, Diponegoro University

Star hotel infrastruktur must support by good facility and well services,one for example to provide parking facility that sufficientÂ for the guess at theÂ hotel. This study hopely can determine the standart of parking star hotel needs involving with hotel parameters and to determine reduction coefficient of parking hotel needs involving with guest hotel that do trip with many purpose. In this study the location of four hotels that will observe areÂ Patra Jasa Hotel atÂ Jl.Sisingamangaraja, Graha Santika Hotel at Jl.Pandanaran, Santika Hotel at Jl.Ahmad Yani and Metro Hotel at Jl. Johar Baru Semarang. This research with approuchÂ Regresi analisis method,it is look for correlasion amount variable visitor Hotel with variable of hotel facilities. A comparison between parking needs of the guest hotelÂ parameters which are:1 parking space forÂ 1.54 - 1.86 guest of ballroom,1 parking space for 1.88 - 2.08 room available, and 1 parking space for 78.86 - 79.06 squarre meter hotel floor.Variety for each hotel ,At Patra Jasa Hotel value around are 0.55 â€“ 0.79,for Graha Santika Hotel are 0.67 â€“ 0.86,for Santika Hotel are 0.68 â€“ 0.81 and for Metro Hotel are 0.73 â€“ 0.91 . Variation of the reduction coefficients happens because of guest activity to the different facilities hotel that observed and a difference in serving for hotel facilities that available for guests. Keywords: Standard, parking, hotelPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/2768[How to cite: Ismiyati, 2004, Kajian Penentuan Standart Kebutuhan Ruang Parkir Hotel Berbintang di Kota Semarang, Jurnal Media Komunikasi Teknik Sipil, Volume 12, Nomor 3, pp. 49-59]

Page 24 of 48 | Total Record : 471

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