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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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Steel-Slag as Aggregate Substituteâ€™s Influence to Concreteâ€™s Shear Capacity an Experimental Approach Han, Ay Lie; Narayudha, Moga
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 16, Nomor 3, OKTOBER 2008
Publisher : Department of Civil Engineering, Diponegoro University

Penggunaan slag baja sebagai pengganti agregat kasar pada beton telah menunjukkan nilai-nilai positif seperti meningkatnya kuat tekan beton, perbaikkan kelacakan (workability) adukan segar dan pengurangan pencemaran logam berat dengan adanya proses solidifikasi dalam semen. Karena masa jenis beton slag juga meningkat, maka perlu diadakan penelitian lanjut tentang kemungkinan penggunaan beton-slag ini sebagai komponen struktural. Peningkatan kuat tekan beton yang seiring dengan peningkatan massa jenisnya membuka peluang penggunaan bahan ini sebagai elemen struktur yang tertumpu pada tanah, seperti misalnya balok basement, balok tie-beam dan rigid pavement. Namun demikian perilaku beton-slag terhadap respons geser (shear) belum diketahui dengan pasti. Uji laboratorium ini meneliti perilaku geser balok beton-slag yang diberi tulangan tunggal sedemikian sehingga pola kehancuran balok dipengaruhi oleh kehancuran gesernya. Hasil pengujian dibandingkan terhadap balok identik dengan agregat Pudak Payung sebagai elemen kontrol. Pengamatan terhadap balok-balok ini menunjukkan bahwa penggunaan slag meningkatkan kapasitas geser beton sebesar 11%, serta tidak terjadi pergeseran pada pola kehancuran. Kata kunci: Slag, Agregat Kasar, Kuat Tekan, Kapasitas Geser. ABSTRACT The use of steel slag as a substitute to natural aggregates for concrete increases the compression strength and workability of fresh concrete mixes. Furthermore, by solidification in the cement matrix, the pollution of heavy metals into soil and groundwater can be reduced significantly. The utilization of slag-concrete to be used as structural components need to be conducted especially since mass density increases as a function of slag percentage. Possible aspects are among others, basement components, tie-beams and rigid pavement elements. All these structures rest directly on supporting under layers, reducing their negative high mass-density effect. While compression and tensile behavior have been explored, the shear capacity of slag-concrete has yet to be investigated. This experimental work covers the behavior of singly reinforced concrete beams failing under shear mode. The result is compared to the controlling element, identical to the concrete-slag beam. The controlling beam uses Pudak Payung aggregates. The experimental research shows that the slag-concreteâ€™s shear capacity increases 11% to the Pudak Payung concrete. The mode of failure however, remains the same.Keywords: Slag, Coarse Aggregates, Compression and Shear StrengthPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3696[How to cite: Han A.Y. dan Narayudha, M. (2008), Steel-Slag as Aggregate Substituteâ€™s Influence to Concreteâ€™s Shear Capacity an Experimental Approach, Jurnal Media Komunikasi Teknik Sipil, Tahun 16, Nomor 3, pp. 223-230]

Transmisi Gelombang pada Pemecah Gelombang Ambang Rendah Ganda Surendro, Bambang; Yuwono, Nur; Darsono, Suseno
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 20, Nomor 1, JULI 2014
Publisher : Department of Civil Engineering, Diponegoro University

Coastal protection efforts can be done in various ways, among others, by making alow threshold breakwaters (sumerged breakwater). Every building in addition there is certainly no shortage of excess. With several weaknesses breakwater low threshold, then conducted research with the title â€œWave Transmission At Low Threshold Dual-breaking waves". The study was conducted in the Hydraulic laboratory of the Faculty of Engineering, Tidar Magelang University, with variations of the model as follows: Model I : single low threshold breakwater piles of stones (PGARTTB) with peak width (B)=120 cm Model II : a low threshold double breakwater piles of stones (PGARGTB) formed by reducing material PGARTTB protective stone that is in the middle as much as 8.89%, 20%, 33.33%, and 46.67%. The results showed that: a) Reduction of material protection on the stone breakwater lowthreshold single pile of stones (PGARTTB) affect the magnitude of the wave transmission, b) reduced protective stone will increase the value of the wave transmission coefficient c) for each reduction of 1% a protective stone, waves of up 0.2788% transmission, d) the increase in transmission waves are caused by the reduced friction between the base and peak wave breakwaters low threshold.

Moment Resistance Analysis on Various Configuration of Multiple-Bolt Timber Connection Using Beam on Elastic Foundation Theory and Rigid Plate Assumption Awaludin, Ali
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 2, Edisi XXXII, JUNI 2005
Publisher : Department of Civil Engineering, Diponegoro University

Kayu merupakan bahan struktur yang masih banyak diminati, mungkin salah satunya karena nilai estetikanya yang belum dapat tergantikan. Untuk mendukung aplikasi Kayu dalam struktur yang lebih luas, maka sajian mengenai sambungan kayu perlu mendapat perhatian. Dalam paper ini disajikan hasil eksperimen mengenai momen tahanan sambungan kayu yang disambung dengan berbagai konfigurasi penyambung. Ada 4 (empat) konfigurasi sambungan yaitu 4H. 6H, 6V dan 6C. Dari hasil eksperimen, diperoleh bahwa jenis konfigurasi 6H menghasilkan momen tahanan yang paling kecil. Konfigurasi 6H ini juga mangalami kegagalan akibat geser.Kata kunci: momen tahanan, sambungan kayu, konfigurasi sambunganPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3909[How to cite: Awaludin, A., 2005, Moment Resistance Analysis on Various Configuration of Multiple-Bolt Timber Connection Using Beam on Elastic Foundation Theory and Rigid Plate Assumption, Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 2, pp. 57-62]

Pengaruh Penerapan Sistem Manajemen Mutu terhadap Kualitas Pelaksanaan Kegiatan Operasi dan Pemeliharaan (Studi Kasus: Tugas Pembantuan Operasi dan Pemeliharaan Daerah Irigasi Kedung Asem dan Daerah Irigasi Bodri Provinsi Jawa Tengah) Amin, Mualim; Wibowo, M. Agung; Atmojo, Pranoto Samto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 1, JULI 2016
Publisher : Department of Civil Engineering, Diponegoro University

A decrease in irrigation network performance system operation and maintenance are the impact of the operation management system and irrigation maintenance which does not suitable with the technical demands of the irrigation network design. The purpose of this study is to determine the effect of the application of quality management system in ministry of public works to the quality of the operations and maintenance on the Tasks Operation and Maintenance. The object of the research was in Kedung Asem and Bodri Irrigation Area, it was seen from three variables, namely: (1) the management of resources, (2) the implementation of the activities, (3) measurement, analysis and improvement. Data were obtained from observation andquestionnaire, and then were processed by using descriptive method and linear regression method. The results says that the quality management system in resource management is perceived as good enough category; the implementation activities, measurement, analysis and improvement were perceived good by the respondents. Identification of the quality of the operations and maintenance were also perceived good; further, performance index ratings of irrigation systems are performing well. The results of multiple linear regression equation is Y =12.883+1,181X1+0,449X2 +1,210X3, the conclusions hypothesis testing shows that the implication of quality management system give positive and significant effect on improving the quality of operations and maintenance work on the Tasks Operation and Maintenance of (DI) Kedung Asem and (DI) Bodri Irrigation Area.

Torsi Balok Baja Berprofil I Berpengaku Vertikal Tudjono, Sri
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Vertical stiffeners are usually used to resist shear force or to stiffen web plate in accordance with local buckling. Vertical stiffeners which have torsional stiffness can disturb warping of the beam. So the vertical stiffeners can increase the torsional stiffness of the beam. The relation between the torsion of vertical stiffener to warping of the beam must firstly be found. By the boundary conditions of the beam at the two ends and at the vertical stiffeners, all integration constants of diferential equation of each field rotation can be found. Analysis can be done on various thickness and various numbers of vertical stiffeners. It can be concluded that the increase of torsional stiffness caused by the increase of the of vertical stiffener thicknessÂ are significant. The gradient of the torsional stiffness increase tend relatively smaller at the greater number of vertical stiffeners.Keywords: vertical stiffener, warping, torsionPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3942[How to cite: Tudjono, S., 2006, Torsi Balok Baja Berprofil I Berpengaku Vertikal, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 150-155]

Evaluasi Kesehatan Struktur Bangunan berdasarkan Respon Dinamik Berbasiskan Data Akselerometer Darmawan, Wan Fikri; Suryanita, Reni; Djauhari, Zulfikar
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 2, DESEMBER 2017
Publisher : Department of Civil Engineering, Diponegoro University

The aim of the research is to analysis the health of a simple frame structure based on accelerometer data. The research is a preliminary study which used the accelerometer data in the time history analysis of the structure. The parameters has been used in the study are the Story Damage Index (SDI), the ApproximateStory Damage Index (ASDI), the Flexibility Damage Index (MFDI), and the Park Ang Damage Index. The finite element analysis is used to identify the damage of building structures through the pushover analysis. The study has conducted the minor damage index, physical appearance to check the cracked beam andconcrete column. The damage index average is in the range 0-0.08. It can be concluded the building is still able to withstand the earthquake load. However, the building is stated in a minor damage condition after the earthquake occurred.

Model Regresi Rating Curve Stasiun Awlr Jurug antara Tinggi Muka Air dan Debit pada Sungai Bengawan Solo Supadi, Supadi
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

River of Bengawan Solo have been attached instrument of water discharge appliance which itâ€™s location in downstream of Colo Weir precisely at Â± 200 m upstream of Jurug bridge and theÂ AWRL Post was located most pate of upstream and founded in 1969 and also represent permanent building called AWLR (Automatic Water Level Recorder), so that shall have known the result of discharge curve which have been made fromÂ year to year. The Making of Rating curve in Post of Jurug at Bengawan Solo river represent model of rating curve discharge Result of a measurement between water level surface and discharge are highly varied since 1977 - 2000 (34 datas) and the result cause by change of river cross section influenced by agradation and degradation of river bed. So need to analyse of rating curve study in Jurug post before and after the constructionÂ of Wonogiri Dam. Discharge curve varied to be need observe and measurement in the long time and continuous measurement data from year to year and also performed a measurement charge by continuous and get result of discharge which different each other. The Rating Curve usefulness are obvious that is to know discharge of stream passing at the location from existence of change time to time.Permalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/2094[How to cite: Supadi, 2006, Model Regresi Rating Curve Stasiun Awlr Jurug antara Tinggi Muka Air dan DebitÂ pada Sungai Bengawan Solo, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 179-188]

Analisa Pushover dan Eksperimen Struktur Portal dengan Dinding Batubata dengan Menggunakan Angkur pada Kolom dan Balok pada Non Engineered Building Hutajulu, Marsaulina; Tarigan, Johannes; Tarigan, Perwira
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 2, DESEMBER 2018
Publisher : Department of Civil Engineering, Diponegoro University

Based on the findings in almost all earthquakes that hit Indonesia, buildings that were damaged and collapsed were simple non-engineered buildings. Where buildings are built based on practical experience without structural calculations. One form of damage to non-structural components and structures is the relationship between columns and brick walls, where cracks and separation between columns and walls occur due to lack of anchors (cuttings). To find out how much an earthquake load can make a test object that uses anchor has been destroyed, a pushover analysis is carried out numerically and experimentally. From the numerical results it is obtained a pushover of 7490 kg and a displacement of 16.7 mm, while the experimental results obtained a pushover 7,540 kg and 56.5 mm displacement. Numerical results and experiments are very close at 99.34%.

Analisis Banjir Rancangan dengan Metode Inversely Estimated Rainfall Widyasari, Titiek
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 16, Nomor 1, PEBRUARI 2008
Publisher : Department of Civil Engineering, Diponegoro University

To avoid the paucity of rainfall data, development of flood estimation methods that rely on hydrograph data are required. Hydrograph data are the output of the catchment. It means that all the catchment behaviors are represented in the runoff data. The effect of temporal and the spatial variability of rainfall and the initial soil moisture condition has been represented in the runoff data. Hence, itâ€™s necessary research about of design flood used on hydrograph. The research uses 16 flood events collected from Bojongloa sub-river basin and 10 data from Leuwigoong sub-river, which all included Cimanuk river basin in West Java. The filter separation autoregressive method is selected to separate the hydrograph to become baseflow and direct runoff components. The resulted direct runoff is then used for deriving the effective rainfall using inversely estimated rainfall (IER) method. The result of IER rainfall and IER pattern is used in design flood analysis using unit hydrograph IER method. And the observed rainfall are used as comparisons. The result show that design flood with hydrograph IER method is relatively similar with the observed rainfall. The result design flood with hydrograph IER method give accuracy between design flood the result of frequency analysis.Keywords : hydrograph, inversely estimated rainfalls, unit hydrographPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3668[How to cite: Widyasari, T. (2008), Analisis Banjir Rancangan dengan Metode Inversely Estimated Rainfall, Jurnal Media Komunikasi Teknik Sipil, Tahun 16, No. 1, pp. 87-98]

Reabilitas Daya Dukung Pondasi Tiang Bor Berdasarkan Formula Reese & Wright dan Usulan Load Resistance Factor Design dalam Perencanaan Pondasi Tiang Bor Studi Kasus Proyek Jakarta Lastiasih, Yudhi; Irsyam, Masyhur; Sidi, Indra Djati; Toha, FX
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 2, DESEMBER 2013
Publisher : Department of Civil Engineering, Diponegoro University

Design bored pile foundation often use formulae of Reese and wright (1977) on projects heild in Jakarta. The safety factor often use on the design foundation on project in Jakarta are generally 2 or 3. By using advance First Order Liability Method to analysis design foundation, the result showed that the design was very conservative. Proven by the safety index for this design is 2.68 whereâ€™s the equivalent of failure probably 3.72 x 10-3, this result is less than requirement of failure probability 1 x 10-2. Lastiasih (2012) propose the use of multiple safety factors by applying Load Resistance Factor Design (LRFD) in accordance with the design of building age so as not to use single safety factor again. Further more the design of bored pile foundation become more efficient.

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