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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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PENELITIAN KERUSAKAN UNIT LAPIS LINDUNG PEMECAH GELOMBANG TERHADAP BERBAGAI SPEKTRUM GELOMBANG Sriyana, Sriyana; Hadihardaja, Iwan K.
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 15, Nomor 1, PEBRUARI 2007
Publisher : Department of Civil Engineering, Diponegoro University

Determination of the amount of damage in the armour layer unit of breakwater is highly affected by wave spectrum generated. This research is aimed at knowing the influence of many kind of wave spectrum toward the amount of damage in the armour layer unit. This study is carried out by means of irregular non-breaker waves on physical modeling. The spectrums used on irregular waves are Pierson Moskowitz, Bretschneider, Jonswap, and Darbyshire, employing tetrapod, cubes, and rubble mound as the armour layer. The result of the test model indicate that Darbyshire spectrum have largest potential to destroy the stability of armour layer more than spectrum Jonswap, Pierson Moskowitz, Bretschneider.

Perubahan Morfologi Kali Garang - Banjir Kanal Barat Tanpa Bendung Simongan (Pendekatan Model Simulasi BRI-STARS) Edhisono, Soetarto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 3, Edisi XXXVI, OKTOBER 2006
Publisher : Department of Civil Engineering, Diponegoro University

The changing of land-use on the upper Simongan Weir causes the increasing of flood discharge. It was shown during flood that occured on January 1990, which in that time flood water overtopped of the dikes and caused dikes collapsed in some places and flood was ocurred around Simongan area. This research wasÂ made because there wasÂ a plan to change the Simongan Weir into barrage, in order to make flood water level ofÂ the Garang RiverÂ lower during flood. The crest of the Simongan Fixed Weir would be cutted in 3.7 m heightÂ in order to make flood water level lower, and to keep the water level remain the same during normal condition, some gates would be installed above the cutted weir crest as barrages. This situation would change river morphology of the Garang River andÂ West Flood Way. This paper was contained simulation resultÂ ofÂ the changing of river morphology of the Garang River and West Flood Way without Simongan Weir by using BRI-STARS ( BRIdge Stream Tube model for Alluvial River Simulations ) software. This simulation model generatedÂ semi-two dimensional waterÂ flows and its sediment which capabled to compute scouring and silting on sub-critical, super critical flows and combination of these both flows conditions.Keywords:Â weir, barrage, morphology, scouring, siltationPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3950[How to cite: Edhisono, S., 2006, Perubahan Morfologi Kali Garang - Banjir Kanal Barat Tanpa Bendung Simongan (Pendekatan Model SimulasiÂ BRI-STARS), Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 3, pp. 240-250]

Aplikasi Geolistrik pada Pemetaan Daerah Intrusi Air Laut di Pantai Candidasa Pujianiki, Ni Nyoman; Simpen, I Nengah
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 1, JULI 2018
Publisher : Department of Civil Engineering, Diponegoro University

To know the magnitude of sea water intrusion that occurred in Candidasa area need to be mapping by using Geo-electric Method. Geo-electric method is one Geophysical method that works by injecting an electric current into the ground and then measured the potential difference it generates. Based on the data of electric current and potential difference, resistivity will be obtained in the research area. The result of sea water intrusion mapping in Candi Dasa beach area indicates that sea water intrusion has occurred but not yet on the status of conspiracy. If groundwater extraction is not restricted, the level of intrusion will continue to increase. Contour resistivity indicates that there has been a sea water intrusion in the Candidasa Tourism Area in a mild status in the southeast area at a depth of 5-10 m. The measured rock resistivity values in the study sites ranged from 0.35 to 1800 ohm.m, the seawater intrusion criteria occurred at a resistivity of 0.5 - 30 ohm.m. The results of the study are expected to give policyholders input on sea water intrusion in Candidasa Tourism area so that appropriate policy steps can be taken.

The Effects of the Construction Process on the Local Economy in Indonesia Wibowo, Agung; Mawdesley, Michael
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 3, Edisi XXX, OKTOBER 2004
Publisher : Department of Civil Engineering, Diponegoro University

Industri jasa konstruksi memberikan kontribusi yang nyata serta signifikan terhadap proses pembangunan untuk negara sedang berkembang ataupun negara maju.Â Produk yang dihasilkan industri konstruksi seperti jalan, jembatan, waduk, saluran irigasi, sekolah, kantor serta bangunan gedung lainnya merupakan sarana dasar sebagai infrastruktur untuk proses berkembangnya kegiatan bisnis dan sosial bagi kepentingan publik dan swasta. Industri jasa konstruksi tidak hanya berperan pada hasil atau produk yang dihasilkan, namun industri jasa konstruksi juga mampu menyediakan lapangan kerja bagi masyarakat baik secara langsung ataupun tidak langsung pada saat proses pelaksanaannya.Â Hal ini membuktikan bahwa industri konstruksi mempunyai efek terhadap perkembangan suatu pembangunan lokal ekonomi tidak hanya pada produk yang dihasilkan, namun juga saat proses berlangsungnya masa konstruksi pada suatu struktur bangunan. Kajian pada penelitian ini mempelajari secara detail dan sistematis pengaruh dari investasi pada sektor konstruksi terhadap lokal ekonomi, khususnya pada jumlah tenaga kerja yang dapat diserap pada proyek dengan sifat â€œlabour intensive atau equipment based methodâ€. Surve dan kuestioner dilakukan di beberapa propinsi di Indonesia guna memperoleh data-data yang diperlukan, terutama aliran uang yang berlangsung dari investor hingg ke pihak-pihak yang terkait selama proses konstruksi.Â Secara tidak langsung, kajian ini juga mengamati adanya perbedaan waktu saat masing-masing pihak yang terlibat dalam proses konstruksi memperoleh pendapatan dari tagihan yang diajukan kepada pemilik proyek. Hasil dari data yang telah dikumpulkan melalui surve dan kuestioner , serta dengan bantuan dari satu seri tabel input-output dari tahun 1985, 1990, 1995 dan 1998, dapat disimpulkan bahwa industri jasa konstruksi memberikan kontribusi yang cukup signifikan bagi proses pembangunan suatu daerahKata kunci: industri jasa konstruksi, lokal ekonomi, makro dan mikro ekonomi, input-output table.Permalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/2723[How to cite: Wibowo, M.A. dan Mawdesley, M.J., 2004, The Effects of the Construction Process on the Local Economy in Indonesia, Jurnal Media Komunikasi Teknik Sipil, Volume 12, Nomor 3, pp. 1-11]

Peran Kontraktor dalam Peningkatan Constructability pada Pembangunan Jalan Jembatan Wilayah Kalimantan Timur Sulistio, Hendrik; Magawaty, Magawaty
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 1, JULI 2013
Publisher : Department of Civil Engineering, Diponegoro University

Contructability has been defined as the optimus usefull of construction knowledgeand experience in planning design, procurement and field operation to achieve overall can be effective, efficiency efficiency and good quality (CII, Uaustin, USA). Successful application from constructability improvement suspended commited from overall group Project Management Team for achievent of project goals. Project Management Team is referred between the project owner, architect or designer and the construction company before construction commences. Purpuse of observing is understanding set construction company manager in practice concept constructability in goal construction project for achieve improvement of performance and optimum project can be efficiency can be saved. Object observe focust in build of road and bridge in East Borneo with sample are construction company manager with questionare after that with Analysis Static Parametric. Result of Improtance Analysis is 6.32 and result of performance analysis is enough high but has separated from importance in project management road is 10.42%. Result of factor analysis can see that responden toward conceptual constructability can more complication with capability controlling time schedule. One manner can be use for controlling time implementation is do â€œConstruction Methodâ€ as well, can do improving quality and safety implementation.

Perilaku Runtuh Balok Beton Bertulang dengan Sengkang Welded Wire Fabric (WWF) Sudarsana, I Ketut; Deskarta, Putu; Sanjaya, Putu Chandra Wira
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

The use of Welded Wire fabric (WWF) has been widely tested and proven to behave very well as stirrups in a column, but its behavior has not been widely known when used on beams. This research was conducted to evaluate the behavior of beams with stirrup reinforcement of WWF M4 grid. A total of nine beam specimens with dimensions of 330mm x 180mm x 1500mm were made and tested under monotonic loading until failure loads with three variations of stirrup, where each variation was made of three beam specimens and four concrete cylinders. The concrete was a ready mix concrete with an average compressive strength of 22,875 kN at 28 days. Beams were tested on simply supported with two concentrated loads at a distance of 500 mm from each support. The loads was applied incrementally and the middle span deflections were recorded for each increase in loads. The test results show that the stirrups of WWF M4 grid on beam specimens can increase the shear capacity, stiffness and control the occurrence of the first inclined crack. When compared to conventional stirrups (BJTP âˆ… 6mm), beams with WWF M4 stirrups show better behavior.

Kajian Perbandingan Debit Andalan Sungai Cimanuk Metoda Water Balance dan Data Lapangan Bakhtiar, Bakhtiar
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 16, Nomor 2, JUNI 2008
Publisher : Department of Civil Engineering, Diponegoro University

Provision of an adequate quantity of water has been a matter of concern since the beginning of civilization. Rivers is an important water resource for water supply. The availability of water to be supplied for many purpose of demand is measured in discharge. There are several methods can be used to calculate and analyze it. In this research and paper two methods was used and compared. There are FJ Mock method called water balance method, compared with actual discharges that measured at field. From the process in analyzing and comparing its appeared that there is two views in evaluate the difference between calculating result and measuring result. First is in absolute amount, and second is in percentage of amount of the difference toward actual amount from measuring in field. The data in this research is used as the case study was taken from Cimanuk River. The conclusion is there will be better to look the difference between the results from calculating method and measuring method, in the absolute amount of discharge. Keywords: Available discharge, calculating method, measuring method, percentage value difference, absolute amount difference ABSTRAK Persoalan kecukupan jumlah ketersediaan air telah menjadi perhatian sejak awal peradaban manusia. Sungai adalah sumber alam penting untuk suplai terhadap kebutuhan air. Ketersediaan air untuk memenuhi berbagai kebutuhan diukur dengan debit. Terdapat berbagai metoda untuk menghitung dan menganalisa debit. Dalam tulisan dan penelitian ini dua metoda digunakan dan dibandingkan. Yaitu metoda FJ Mock yang disebut metoda neraca kesimbangan air, lalu dibandingkan dengan metoda hasil pengukuran langsung dilapangan. Dalam proses analisis muncul dua sudut pandang dalam membandingkan hasil kedua metoda tersebut, yaitu pertama adalah selisih absolute dari debit dan kedua adalah prosentasi selisih debit. Data untuk penelitian ini diambil dari Sungai Cimanuk, sebagai tempat studi kasus. Kesimpulan yang didapat dari penelitian adalah bahwa akan lebih baik membandingkan hasil perhitungan analisa antara metoda hitung dan metoda pengukuran lapangan dalam besaran selisih debit.Kata kunci : Debit andalan, metoda kalkulasi, metoda pengukuran, selisih nilai persentasi, perbedaan nilai absolutPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3694[How to cite: Bakhtiar (2008), Kajian Perbandingan Debit Andalan Sungai Cimanuk Metoda Water Balance dan Data Lapangan, Jurnal Media Komunikasi Teknik Sipil, Tahun 16, Nomor 2, pp. 200-207]

Analisa Perubahan Geometri Penampang Sungai Menggunakan HEC-6 untuk Menaksir Debit Sedimen pada Sungai Citanduy di Jawa Barat Wibowo, Hari
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 2, DESEMBER 2013
Publisher : Department of Civil Engineering, Diponegoro University

Formation of river profile is basically a process in the regulation of the water itself. This arrangement is based on the carrying capacity of the river flow is determined by the parameters of the flow and sediment transport. To assist in observing changes in the riverbed need a software that can predict changes in the cross-sectional shape of river bed. In this study HEC-6 to be able to estimate the fundamental changes Citanduy River in West Java by using field data parameters are available in the form of cross-sectional geometry of the river, flow rates, water levels are high by peil scale or board might guess from observation stations Citanduy Rive. River cross section data used in 2007 were used for the calibration data. Calibration process used for 2008. While the software application used to view changes in the existing cross-sectional shape. Discharge used in this case amounted to 27.717 m3/second and high cross-section downstream on Rajagosi area of 10.40 m. Model selection is done with a relatively small deviation. Obtained from the model calibration process that both sides Karang Pucung-Pataruman-Rajagosi the Manning roughness number "n" of 0.060. Obtained from the literature for some natural channel meandering clean condition, there are ripples and found more stone figures, the Manning roughness ranged from 0.045 to 0.060.

Aplikasi Metode Generalized Reduced Gradient dalam Pemodelan Curah Hujan-Limpasan Menggunakan Artificial Neural Network (ANN) Hadihardaja, Iwan K.; Sutikno, Sugeng
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 2, Edisi XXXII, JUNI 2005
Publisher : Department of Civil Engineering, Diponegoro University

The rainfall run off modelling is necessary until now days, for fulling data or make data longer. Artificial neural network can made the alternative rainfall run off modelling. The implementation Artificial neural networ for modelling on the water resources which is done by researcher to get an accurate result. Artificial neural networ is one of artificial intelligent that is imitation of representation from brain of human. This model is the black box modelling, so in the implementation were not need complecity of scient among the other aspect in the process of rainfall run off modelling. The case study applied to the river flow on the way Sekampung river in Lampung Province. The data used is rainfall data and stream flow data in the middle of the month on the water level station Pujorahayu, for 19 years from 1983 up to 2001. The rainfall data is input and stream flow is a variable output. Learning method that is used reduced gradient. From the result of this research got correlation coefficient 0,790 or 79 % the tallest. The conclution of this research is the generaly ANN can implementated in the rainfall run off modeling, although the result is not too accurate because of there is still deviation.Keywords: rainfall-runoff, artificial neural network, black box, generalized reduced gradientPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3907[How to cite: Hadihardaja, I.K. dan Sutikno, S., 2005, Aplikasi Metode Generalized Reduced Gradient dalam Pemodelan Curah Hujan-Limpasan Menggunakan Artificial Neural Network (ANN), Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 2, pp. 37-49]

Studi Eksperimental Kekuatan dan Perilaku Sambungan Kolom pada Struktur DfD (Design for Disassembly) Fitriani, Intan; Sukamta, Sukamta; Nurhuda, Ilham
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 21, Nomor 2, DESEMBER 2015
Publisher : Department of Civil Engineering, Diponegoro University

DfD building system is a new approach in construction. Using DfD building system can reduce construction waste and reuse building components. This research examines the strength and behaviour of DfD column connections. Two types column connections were studied.The first connection employed H shaped steel elements bolted to the column while the second connection was bolt and plate connection. The behavior of columns with connections was compared to that of without connection. This study was carried out to investigate the strength, crack patterns, and failure mechanisms of precast concrete with dry joint on DfD column structure. All specimens were subject to normal force applied with an eccentricity of 67 mm. The test results indicate that both columns with connections were able to withstand design loads. This study also confirmed that the shear strength calculation of corbel based on SNI 03-2847-2002 section 13.9 was conservative to use as the value was still smaller than that obtained from this experiment.

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