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MEDIA KOMUNIKASI TEKNIK SIPIL
Published by Universitas Diponegoro
ISSN : 08541809     EISSN : 25496778     DOI : -
Core Subject : Engineering,
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 11 Documents
Search results for , issue "Volume 14, Nomor 2, Edisi XXXV, JUNI 2006" : 11 Documents clear
RETRACTION: A Parametric Study of an Offshore Concrete Pile under Combined Loading Conditions using Finite Element Method Leksono, Bambang Tri
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v14i2.3943

Abstract

This article has been retracted by Publisher based on publication misconduct by the author.Tiang pancang lepas pantai biasanya menggunakan unsur-unsur pondasi struktur lepas pantai, struktur besar seperti Tension Leg Platforms (TLP). Distribusi tekanan di dalam struktur besar seperti itu adalah suatu faktor dominan di dalam prosedur disain dari suatu tiang pancang lepas pantai. Untuk menyediakan suatu disain yang lebih efektif dan akurat, suatu model finite elemen dipekerjakan di sini untuk menentukan tekanan dan displacements di dalam suatu tiang beton di bawah mengkombinasikan struktural dan beban gelombang. Beban struktural vertikal sangat utama dalam beban statis, sedangkan beban gelombang samping berubah-ubah pada daerah waktunya dan secara langsung dipengaruhi oleh sudut datang gelombang. Studi parametric akan terdiri dari bermacam-macam parameter tertentu menyangkut pile untuk studi efek dari distribusi tekanan di bawah berbagai kombinasi tentang struktural dan beban gelombang.Kata kunci: Pondasi lepas pantai, tiang pancang beton, analisa finite element, beban gelombang, wave-structure interaksiPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3943[How to cite: Leksono, B.T., 2006, A Parametric Study of an Offshore Concrete Pile under Combined Loading Conditions using Finite Element Method, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 156-168]
Prospek Kontribusi DAS Cikapundung Memenuhi Laju Permintaan Sumber Air Baku Metropolitan Bandung Sabar, Arwin
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (233.181 KB) | DOI: 10.14710/mkts.v14i2.3944

Abstract

Among major problems occurring in urban development, the most critical issue is the limitation of water resources as raw water for drinking water supply, especially its existing quantity. The groundwater contribution to fulfil raw water requirements in metropolitan bandung is realatively decreasing, The Cikapundung River, is an alternative source for raw water, is being used as primary raw water for several decades in Bandung. Using statistical method, research has shown that the distribution of minimum flow of the three flow stations could not meet the total demand in dry months. Station Cigulung-Maribaya, Station Cikapundung-Maribaya, and Cikapundung-Gandok usually experienced an extreme dry condition in September. The minimum flows for those three stations for a 20 years repeating period are 0.226 m3/sec, 0.893 m3/sec and 0.336 m3/sec, respectively. The dam that has been constructed up stream of The Cikapundung River is expected to increase the capacity of Station Maribaya up to 0.608 m3/sec, which could then impact the total raw water supply for Pakar Water Treatment Plant. Concurrently, the construction of dam at Station Gandok is targeted to increase the raw water supply up to 0.604 m3/sec. Those means giving solution for migrating groundwater to surface water utilization.Keywords: daily minimum flow, monthly minimum flow, reservoirPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3944[How to cite: Sabar, A., 2006, Prospek  Kontribusi  DAS Cikapundung  Memenuhi Laju  Permintaan Sumber  Air Baku  Metropolitan Bandung, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 169-178]
Penggunaan Pecahan Genteng sebagai Agregat untuk Lapis Fondasi Perkerasan Lentur Nugroho, Soewignjo Agus
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.993 KB) | DOI: 10.14710/mkts.v14i2.2091

Abstract

Lime has been used for long time as soils stabilizer in sub base and base construction of road. This research studied influence of lime as stabilizer mixed with debris of clay roof as aggregate. Gradation specification is accordance to Bina marga Standard. Lime content used in this research are 0%; 2,5%; 5%; 7,5%; 10%; 12% and 15%.Result of this research shows as lime content increases, California Bearing Ratio (CBR) value for base also increase 80%; 85%; 88%; 91%; 95%; 100% and 110% respectively. For sub base CBR value increase respectively i.e 50%; 60%; 705; 74%; 85%; 90% and 95%.Keywords: stabilization, debris of clay roof, California Bearing RatioPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/2091[How to cite: Nugroho, S.A., 2006, Penggunaan Pecahan Genteng sebagai Agregat untuk Lapis Fondasi Perkerasan Lentur, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 112-118]
Durabilitas Laston dengan Filler Abu Gambut Yuniarto, Enno; Sentosa, Leo
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (237.742 KB) | DOI: 10.14710/mkts.v14i2.3945

Abstract

Bituminous mixtures to represent mixture used to roadway pavement. The bituminous mixtures generally consist of aggregate, filler and asphalt upon which fastener. Material used occasionally as filler are Portland cement, fine sand, stone ash and lime stone dust. which are its limited supply and also costly relative. The other alternative, usage Peat fly ash from industrial disposal or waste of paper mill fuel. Laston required good basic properties are stability, flexibility, skid and durability. To know the reliability of durability from Laston used peat fly ash as filler by The Marshall Immersion modified durability test. Durable Index expressed by IRS and Durable Index of Craus. From laboratory test Laton mixture with filler of peat fly ash assign value IRS equal to 95.22% at 28 day immersion, First Craus Durable Index (r) value equal to 1.73% and also Second Craus Index (a) equal to 4.22 %. If compared to condition assess minimum IRS from Bina Marga for the Laston, which is 75%, IRS Laston value with Palm Ash filler up to Bina Marga standard value.Keywords: filler, industrial waste, peat fly ash, laston, durabilityPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3945[How to cite: Yuniarto, E. dan Sentosa, L., 2006, Durabilitas  Laston dengan Filler Abu Gambut, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 189-197]
Pengaruh Kadar Air Optimum dengan Variasi Kepadatan terhadap Potensi dan Tekanan Mengembang pada Tanah Ekspansif Bambang Pardoyo; Arif Hidayat
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.277 KB) | DOI: 10.14710/mkts.v14i2.2092

Abstract

This  research is purpose to know about the related between water content and compacted of expansive soil from potential swell and pressure swell. Water content is divided to seven part : OMC-15%, OMC-10%, OMC-5%, OMC, OMC+5%, OMC+10%, and OMC+15%.. Meanwhile the compacted is divided to amount of blow from each layer in standard mold of Proctor. An each layer is given 15x, 25x, 35x, and 55x blows. The result of the research is  the try of high increased compaction so potential swell and pressure swell values will decrease. The value of the potential swell and pressure will decrease if the sample test condition to be more wet. Keywords: water content, expansive soilPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/2092[How to cite: Pardoyo, B. dan Hidayat, A., 2006, Pengaruh Kadar Air Optimum dengan Variasi Kepadatan terhadap Potensi dan Tekanan Mengembang pada Tanah Ekspansif, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 119-128]
Concrete Recycling Han, Ay Lie
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (184.846 KB) | DOI: 10.14710/mkts.v14i2.3946

Abstract

Limbah benda uji beton yang tertimbun di Laboratorium Bahan dan Konstruksi, Fakultas Teknik Jurusan Sipil Undip setiap harinya mencapai kubikasi yang cukup tinggi.  Bahan ini merupakan komponen limbah industri yang dapat mempengaruhi tata guna lahan dan merupakan pencemar lingkungan.  Pada proses pembongkaran bangunan lama, volume limbah beton akan lebih besar lagi.  Berbagai usaha telah dilakukan untuk mendaur ulang atau memanfaatkan bahan limbah beton.  Salah satu alternatif yang dipandang baik secara struktur maupun dari segi ilmu lingkungan adalah mendaur ulang dan memakai kembali bahan agregat kasar yang berasal dari bahan beton.  Sifat fisis dan mekanis bahan agregat ini berbeda dengan bahan agregat asli yang berasal dari pemecahan batu.  Faktor-faktor yang sangat berpengaruh adalah kadar resapan yang tinggi, adanya sisa-sisa mortar yang menempel pada agregat dan variasi kualitas bahan dasar yang sulit ditentukan secara tepat.  Tulisan ini membahas perkembangan paling dini dalam bidang daur ulang agregat. Hasil-hasil penelitian yang dilaksanakan oleh Laboratorium Bahan dan Konstruksi, Fakultas Teknik Jurusan Sipil Undip akan di evaluasi secara singkat. Kata kunci: agregat daur ulang (RCA), kuat tekan, sifat-sifat agregat, ilmu lingkunganPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3946[How to cite: Han A.Y., 2006, Concrete Recycling, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 198-205]
Sediment Bypass Modelling of Volcanic Rivers (A Case Study: Boyong River, Merapi Mount, Indonesia) Legono, Djoko
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (314.151 KB) | DOI: 10.14710/mkts.v14i2.3941

Abstract

Sedimen yang diangkut oleh sungai-sungai yang berasal dari gunung berapi sering mempunyai jumlah yang sangat banyak sehingga dapat mengundang permasalahan berupa daya rusak yang ditimbulkan ataupun bahkan dampak negatif lainnya. Penanggulangan yang telah ditempuh selama ini adalah dengan cara membangun bangunan pengendali sediment atau bangunan sabo yang ditujukan untuk mengurangi besarnya daya perusak tersebut dengan cara menahan laju aliran sediment yang mengalir ke hilir. Dalam hal suplai sedimen dari gunung berapi tersebut relative besar maka kehadiran bangunan sabo terlihat nyata manfaatnya. Namun pada saat dimana suplai sedimen berkurang, maka kehadiran bangunan sabo sering dinilai sebagai penyebab utama terjadinya degradasai dasar sungai di ruas-ruas sungai sebelah hilir bangunan sabo. Paper ini membahas hasil studi tentang efektivitas suatu bangunan pengalihan sedimen (sediment bypass), dalam rangka mengurangi besarnya suplai sedimen yang masuk pada suatu sungai,  yang kemudian dialihkan pada sungai yang lain. Studi dilakukan dengan mengambil kasus Kali Boyong dan Kali Kuning yang berhulu di puncak Gunung Merapi, Daerah Istimewa Yogyakarta. Teori pendekatan imbangan sedimen diaplikasikan pada suatu geometri bangunan pengalihan, yang selanjutnya diperbandingkan dengan hasil pengujian model fisik. Hasil studi menunjukkan bahwa aplikasi persamaan imbangan air (konservasi massa) pada bangunan pengalihan sedimen mempunyai nilai yang mendekati dengan hasil yang diperoleh dari pengujian model fisik. Hasil studi dapat digunakan untuk menentukan geometri yang sesuai dengan rencana penetapan jumlah pengalihan sedimen dari Kali Boyong ke Kali Kuning.Kata kunci: bangunan pengalihan sedimen, daya perusak, imbangan sedimenPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3941[How to cite: Legono, D., 2006, Sediment Bypass Modelling of Volcanic Rivers (A Case Study: Boyong River, Merapi Mount, Indonesia), Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 142-149]
Kajian Panjang Data Historis yang Representatif pada Model Stokastik Gunawan, Setiarso; Wahyuni, Sri Eko; Suharyanto, Suharyanto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.454 KB) | DOI: 10.14710/mkts.v14i2.2093

Abstract

Stochastic models are models to generate new data series based on historical data and have similar statistical parameter with statistic historical data. Methods of forecasting are developed base on statistic and mathematic science. The historical data are observed data or sample data. The limited data is become main constrain for extrapolation of data. The mean error of generated data should be lower than 5%, its mean data of generated have the validation rate on 95 %. Three samples location for study are Catchment of Bengawan Solo in Bojonegoro, Catchment of Serang in Kedungombo - Grobogan and Catchment of Citarum in Cirata - Bandung. The synthetic data and then is used to calculate the statistic parameter. Error of generated data is measured with relative error. The relative error is result of divided and subtract statistic parameter of generated data and the statistic parameter of historical data longest and statistic parameter of generated data. The result of data length analysis is relative error and historical length of the data. The analyzed result indicate that historical data are studied have representative historical data about 30 years length of data.Keywords: stochastic, historical data, synthetics data, representative data length and relative errorPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/2093[How to cite: Gunawan, S., Wahyuni, S.E. dan Suharyanto, 2006, Kajian Panjang Data Historis yang Representatif pada Model Stokastik, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 129-141]
Tinjauan Kuat Tekan dan Kuat Tarik Kayu Berdasarkan PKKI 1961, SNI M. 27 – 1991 – 03 dan SNI M. 25 – 1991 – 03 Kistiani, Frida
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 2, Edisi XXXV, JUNI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.227 KB) | DOI: 10.14710/mkts.v14i2.3947

Abstract

Wood is as one of building materials which has  a specific characteristic compared to others such as steel and concrete. As a natural material wood has natural mechanical characteristics.  Wood classifies as anisotrophic material which has different mechanical characteristic within its stress, tension, bending, and shear. (it has stresses in inline, perpendicular, and in skewed angle with  fibre direction). The various of it skewness of wood’s fibre, humidity, age,  and specific gravity has significant influence to the mechanical characteristic of the wood. The purpose of this paper is to explain how the differences of mechanical characteristic. Therefore a certain wood probably has many types of various fibre directions. This paper focuses to study on wood stress and tension characteristics.Keywords:  specific characteristik of wood, anisotrophic, influence factors, tension and stressPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3947[How to cite: Kistiani, F., 2006, Tinjauan Kuat Tekan dan Kuat Tarik Kayu Berdasarkan PKKI 1961, SNI M. 27 – 1991 – 03 dan SNI M. 25 – 1991 – 03, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 2, pp. 206-212]
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (206.16 KB) | DOI: 10.14710/mkts.v14i2.3942

Abstract

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 thickness  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]

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