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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 456 Documents

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Pemanfaatan Serat Sabut Kelapa dan Serat Bendrat untuk Dinding Beton Ringan Pracetak Tulangan Anyaman Bambu dengan Agregat Limbah Batu Apung Suparjo, Suparjo
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 3, Edisi XXXIII, OKTOBER 2005
Publisher : Department of Civil Engineering, Diponegoro University

Based on assumption thatÂ bamboo have a high tensile strength, most research about bamboo application as reinforced concrete has been done in the National and International level. This research tries to use bamboo as reinforced concrete for the light concrete by adding coconut fiber, and bendrat fibre. It is expected to increase the compressive strength, the tensile strength of concrete, and bending strength of precast wall-plate. The result showed it that the optimum compressive strength is in the mixture compositio. The compositon of coconut fiber reach optimum at 0,50 % , and bendrat fibre optimum at 1,00 % of mixture volume. Pre-cast wall plate with bamboo galah non fiber as bar by size 3 mm x 15 mm and plate specimen is made by thickness 30 mm, 40 mm, and 50 mm, enable to carry loadÂ 103 kg, 128 kg, and 159 kg respectively. By adding coconut fibre 0,50 % will increase the bending strength as follow , 13,31 %, 11,45 %, and 13,04 % respectively. On the other words, by adding bendrat fibre 1,00 % will increase the bending strength as follow , 13,96 %, 20,40 %, and 18,92 % respectively. Base on those resuts can be conclude that precast of plate light concrete by adding coconut fiber with tickness 3 cm is strong enough to carry live load (100 kg).Keywords: bamboo reinforced, coconut fiber, bendrat fibre, compressive strength, tensile strength, and bending strengthPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3924[How to cite: Suparjo, 2005, Pemanfaatan Serat Sabut Kelapa dan Serat Bendrat untuk Dinding Beton Ringan Pracetak Tulangan Anyaman Bambu dengan Agregat Limbah Batu Apung, Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 3, pp. 86-95]Â

Evaluasi Kuat Tumpu Alat Sambung Baut pada Papan WPC dari Limbah Sengon dan Plastik HDPE Arnandha, Yudhi; Satyarno, Iman; Awaludin, Ali; Fardhani, Arfiati
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 2, DESEMBER 2016
Publisher : Department of Civil Engineering, Diponegoro University

Wood Plastic Composite (WPC) is wood based material that been produce by mixing sawdust as main composition and plastic polymer as bonding agent. Nowadays, WPC board already been produced in Indonesia using Sengon sawdust and recycle HDPE plastic. Sengon sawdust was used as WPC since its availability from plywood production waste, moreover HDPE plastic considered had higher strength and more rigid than PET plastic. WPC occasionally being used as non structural material, moreover from previous study about mechanical properties of WPC, it was found that WPC Sengon has high shear strength around 25 â€“ 30 MPa. These lead that WPC Sengon had a potential used as shear wall sheathing, thus additional research need to be conducted in order to study the type of bolt and diameter of the bolt can be used for these shear wall. This study aimed to investigate the dowel bearing of bolt using full hole method based on ASTM D5764 with type and bolt diameter as specimen variation. Two types of bolt were used in this study; stainless bolt and standard bolt with diameter each of 6 mm, 8 mm, 10 mm and 12 mm. According to ANOVA, there was insignificant result between stainless bolt and standard one, but there was significant result based on diameter of the bolt. Hereafter, it can be recommended the used of 10 mm diameter of bolt for structural purpose with dowel bearing strength around 67 â€“ 70 MPa.

Analisis Arus Lalulintas di Simpang Tak Bersinyal (Studi Kasus Simpang Timoho dan Simpang Tunjung Kota Yogyakarta) Juniardi, Juniardi; Yulipriyono, Epf. Eko; Basuki, Kami Hari
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 18, Nomor 1, PEBRUARI 2010
Publisher : Department of Civil Engineering, Diponegoro University

The research has aimed to assess the performance of unsignalised intersection. The intersections are Tunjung intersection (Jl. Dr.Sutomo/Jl. Tunjung) and Timoho intersection (Jl. Ipda Tut Harsono/Jl. Bale Rejo/Jl. Timoho). The data collection used video camera and then the data extraction has been conducted in laboratory by monitor viewing. The performance analysis of unsignalised intersection by Indonesia Highway Capacity Manual 1997, the critical lag analysis by Raff method, and the potential capacity of minor road refer to United States Highway Capacity Manual 1994. Degree of saturation on both intersections are greater than 1, and average delays and queue probabilities are high. These indicated that the performance of both intersections in bad condition. The critical lag in Timoho intersection is 2.94 sec. and in Tunjung intersection is 2.70 sec., so the research concluded thatÂ driverâ€™s behavior are aggressive and they ignored the gap acceptance. Potential capacity on minor road in Timoho intersection is 4.36 - 20.95% for western approach and 7.51 - 34.56% forÂ eastern approach, and in Tunjung intersection is 0.78 - 16.32%. Keywords: unsignalised, intersection, performance, critical lag, potential capacity. Â ABSTRAK Penelitian ini bertujuan menilai kinerja simpang tak bersinyal dan dilakukan di simpang tak bersinyal tiga lengan (simpang Tunjung : Jl. dr. Sutomo/Jl. Tunjung) dan simpang tak bersinyal empat lengan (simpang Timoho : Jl. IPDA Tut Harsono/Jl. Bale Rejo/Jl. Timoho). Pengumpulan data menggunakan kamera video yang selanjutnya dilakukan ekstrak data menggunakan layar monitor di laboratorium. Analisis kinerja simpang tak bersinyal menggunakan Manual Kapasitas Jalan Indonesia 1997, analisis lag kritis menggunakan metode Raff, dan analisis kapasitas potensial jalan minor terhadap volum simpang mengacu pada US HCM 1994. Kinerja kedua simpang menghasilkan derajat kejenuhan melebihi 1,00 dan tundaan rata-rata serta peluang antrian relatif tinggi. Hal ini mengindikasikan bahwa saat ini kondisi kedua simpang tersebut buruk. Nilai lag kritis simpang Timoho 2,94 detik dan simpang Tunjung 2,70 detik, berarti perilaku pengemudi relatif agresif dan tidak menunggu celah. Kapasitas potensial jalan minor terhadap volume simpang Timoho di pendekat barat 4,36 - 20,95%, di pendekat timur 7,51 - 34,56%, dan di simpang Tunjung 0,78 - 16,32%.Kata kunci : tak bersinyal, simpang, kinerja, lag kritis, kapasitas potensialPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/Metadata/4184[How to cite: Juniardi, Yulipriyono, E. dan Basuki, K.H., 2010, Analisis Arus Lalulintas di Simpang Tak Bersinyal (Studi Kasus Simpang Timoho dan Simpang Tunjung Kota Yogyakarta), Jurnal Media Komunikasi Teknik Sipil, Tahun 18, Nomor 1, pp. 1-12]

Peningkatan Stabilitas Campuran Aspal Emulsi Bergradasi Rapat dengan Filler Semen Widodo, Sri; Riyanto, Agus
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 18, Nomor 1, PEBRUARI 2010
Publisher : Department of Civil Engineering, Diponegoro University

Dense graded emulsion mix is the mixture of asphalt concrete by cold mix method that friendly with environment. However this mixture have weakness, that are low stability and the processing to attain the maximum stability is very slow since have to wait the evaporation of all water from the emulsion asphalt. The aim of this research is to investigate the increasing and accelerating the stability of dense graded emulsion mix by using cement filler. Research was done by making 5 type of cement filler in dense graded emulsion mixture with emulsion asphalt CSS-1 as binder material. The mixture characteristic was examined by marshall method. The result show that addition cement filler decrease the optimum water content at mixing and compaction process, and asphalt content. The average stability increase 84.6 kg per 1% of cement filler, while after 4 days soaking in water this figure increased to 107.7 kg per 1% of cement filler. Accelerating the stability of emulsion mixture without filler cement is 30.73 kg/day for unsoaked condition and 27.39 kg/day after 4 day soaking. For mixture with 3% filler cement, the acceleration of stability are 27.6 kg/day for 4 days soaking and 23.57 kg/day for unsoaked specimen. Keywords : Emulsion asphalt mixture, Cement filler, Stability. Â Abstrak Â Campran aspal emulsi bergradasi rapat merupakan campuran beton aspal dengan cara dingin yang ramah lingkungan. Akan tetapi campuran tersebut mempunyai kelemahan, yaitu stabilitasnya rendah dan proses pencapaian stabilitasnya lambat karena harus menunggu penguapan semua air yang berada dalam aspal emulsi. Tujuan penelitian ini adalah untuk mengetahui peningkatan dan percepatan stabilitas campuran aspal emulsi bergradasi rapat dengan menggunakan filler semen. Penelitian dilakukan dengan cara membuat 5 macam variasi filler semen terhadap campuran aspal emulsi bergradasi rapat dengan bahan perekat aspal emulsi CSS-1. Karakteristik campuran diperiksa dengan metode Marshall. Hasil penelitian menunjukkan bahwa penambahan filler semen menyebabkan menurunnya kadar air optimum pencampuran dan pemadatan serta kadar aspal optimum campuran. Stabilitas campuran rata-rata bertambah 84,6kg per 1% kadar filler semen sedangkan setelah direndam air selama 4 hari stabilitasnya rata-rata naik 107,7 kg per 1% kadar filler semen. Percepatan stabilitasnya campuran tanpa filler semen adalah sebesar 30,73kg/hari dalam kondisi kering dan 27,39 kg/hari setelah direndam 4 hari. Untuk campuran dengan filler semen 3% perceptan stabilitas adalah 27,6 kg/hari untuk benda uji yang direndam air selama 4 hari dan 23,57 kh/hari untuk benda uji tanpa direndam air. Kata-kata Kunci : Campuran aspal emulsi, Filler semen, Stabilitas

Kajian Penentuan Tarif Bus Trans Koetaradja berdasarkan Ability to Pay (ATP) dan Willingness to Pay (WTP) Anggraini, Renni; Sugiarto, Sugiarto; Caisarina, Irin; Ahlan, Muhammad; Rahmani, Dhuyufur; Jalil, Erlinawati
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 1, JULI 2019
Publisher : Department of Civil Engineering, Diponegoro University

Trans Koetaradja bus is managed by the government of Aceh Province to improve the urban public transport system. In order to appeal people to use this bus, the local government provides subsidy and applies the free fare, until today. It is expected that, when the subsidy is revoked in a few years ahead, people will get accustomed to use this bus. This research was conducted to observe public perceptions on the desired fare through ability to pay (ATP) and willingness to pay (WTP) analysis. Primary data was collected by doing survey over distributing questionnaires to the citizen. The bus corridors observed were on corridors I, III, and IV. The results showed that, the ATP-WTP of students were above the operatorâ€™s proposed tariff for all corridors. However, to attract those students to use the bus, it is recommended that the operator's proposed tariff (IDR 2,000 for each corridor) should be applied. For the general public category (PNS/TNI/Polri, Private Employees, Housewives, and other communities), the proposed tariff for each corridors were in between the average value of ATP-WTP. In that sense, tariff determination can be applied based on the average WTP value. However, the operator's proposed tariff for the public is still also feasible, subject to improving the level of services.

Studi Perbandingan Biaya Konstruksi Lapis Pondasi Beton dan Lapis Pondasi Agregat Waluyo, Rudi
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 16, Nomor 3, OKTOBER 2008
Publisher : Department of Civil Engineering, Diponegoro University

Cost is one aspect that influence the implementation of road construction project. Good cost planning must implemented to avoid waste. Cost analysis in base course carried out to investigate how much cost saving can be achieved. The objectives of this research are to investigate how much cost needed for concrete base course, aggregate base course and toÂ investigate cost comparison between aggregate base course and concrete base course. Construction cost comparison focused on base course cost between aggregate base course and concrete base course. Research method implemented in this research divided into three stages. First, literature review and initial survey. Second, primary and secondary data collecting. Third, analysis and conclusion. Cost analysis result shows that concrete base course needs Rp 4.555.150.881,74, and aggregate base course needs Rp 2.323.587.274,94, with cost saving percentage 48,99 % for concrete base course. Keywords : Construction Cost, Concrete Base Course, Aggregate Base Course, Volume, Unit Cost ABSTRAK Aspek Biaya merupakan salah satu hal yang mempengaruhi pelaksanaan proyek konstruksi jalan. Oleh sebab itu perlu adanya perencanaan biaya yang baik agar tidak terjadi pemborosan. Analisis biaya pada lapis pondasi dilakukan agar dapat diketahui besarnya penghematan yang dapat dilakukan. Tujuan dari penelitian ini adalah untuk mengetahui biaya yang dibutuhkan untuk lapis pondasi beton,Â lapis pondasi agregat dan untuk mengetahui perbandingan biaya antara lapis pondasi beton dengan lapis pondasi agregat. Perbandingan biaya konstruksi difokuskan pada biaya lapis pondasi (Base Course) antara lapis pondasi beton dengan lapis pondasi agregat.Â Metode penelitian dibagi atas 3 (tiga) tahap yaitu tahap pertama adalah studi pustaka dan survey awal, tahap kedua adalah pengumpulan data primer dan sekunder, dan tahap ketiga adalah analisis dan kesimpulan. Hasil analisis biaya menunjukkan bahwa lapis pondasi beton membutuhkan biaya sebesar Rp. 4.555.150.881,74 dan lapis pondasi agregat membutuhkan biaya sebesar Rp. 2.323.587.274,94 dengan persentase penghematan biaya sebesar 48,99% terhadap biaya lapis pondasi beton.Kata Kunci :Â Biaya Konstruksi, Lapis Pondasi Beton, Lapis Pondasi Agregat, Volume, Harga SatuanPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3702[How to cite: Waluyo, R. (2008), Studi Perbandingan Biaya Konstruksi Lapis Pondasi Beton dan Lapis Pondasi Agregat, Jurnal Media Komunikasi Teknik Sipil, Tahun 16, Nomor 3, pp. 302-312]

Studi Rasionalisasi Jaringan Hidrologi Pulau Seram Provinsi Maluku Mulya, Happy
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 20, Nomor 1, JULI 2014
Publisher : Department of Civil Engineering, Diponegoro University

Information of water resources in the form of information on hydrological and hydro meteorological conditions, necessary to support the management of water resources in the basin (Law No.7/2004 SDA). This information is obtained from hydro-meteorological network that represents of these Basin. Rationalization aims to obtain efficient and effective hydrological network and can represent the hydrologic conditions of Seram Island Maluku Province both present and future. Therefore the selection of a method that only suggest the number, density or distribution of the post is not the final answer and directly elected, but the integration between the methods used by the method of Kagan, weight factor, and Stepwise with rules (standard, guidance, and manual) and considering spesific infrastructure needs existing and planned development in accordance with the pattern of river basin management. Proposed hydrology network for Seram Island is to maintain the existing number of hydrological station with the notes necessary of improvement efforts for hydrological management, such as to the amount of rainfall station are as many as 46 stations. Kagan analysis results for the basin with an area 4,873,382 kmÂ², has an error rate of 5% and 10% for the analysis, relatively small and good enough to be maintained.

Kajian Banding Secara Numerik Kapasitas dan Perilaku Balok Baja Kastela Menggunakan Program SAP 2000 Suharjanto, Suharjanto
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 2, Edisi XXXII, JUNI 2005
Publisher : Department of Civil Engineering, Diponegoro University

Extraordinary saving can be obtainef from an often forgotten design concept. The open-web expanded steel beam as usually call castellated steel beam has already paid substantial dividends for various engineering firm. It should be considerd and many more projects. The opening up of a rolled beam (I-section) increases its section modulus and moment inertia, result its greater strength and rigidity. The reduction in beam weight has a chain effect on saving throughout the structure. The result of numeric simulation using computer program SAP-2000 show that the load capacity of castellated steel increase 92,307% compared with its origin section, that is rolled beam or I sevtion steel beam. and the maximum deflection of castellated steel decrease 45.683% compared with its origin section, that is rolled beam or I section steel beam.Keywords : Casrellated, rolled beam, load capacity, deflectionPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3915[How to cite: Suharjanto, 2005, Kajian Banding Secara Numerik Kapasitas dan Perilaku Balok Baja Kastela Menggunakan Program SAP 2000, Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 2, pp. 114-121]

Kajian Kinerja Sistem Polder sebagai Model Pengembangan Drainase Kota Semarang Bagian Bawah dengan Balanced Scorecard Hari Nugroho; Dwi Kurniani; Mega Asiska; Nuraini Nuraini
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 1, JULI 2016
Publisher : Department of Civil Engineering, Diponegoro University

One of the technological flood control and rob in the big cities is the polder system that include drainage systems , retention ponds, levees that surround the area, as well as the pump and / floodgates, as the area of integrated water management system. Likewise, as the coastal city of Semarang in Indonesia has built some of the polder which has been in operation or under construction. To assess the success of the polder management, necessary for a study to determine the performance of the system in controlling the flood in Semarang. Assessment of performance of the system as a whole polder in this study used the concept of the Balanced Scorecard (BSC). The results of this study demonstrate the performance of the polder in Semarang is an ideal: Polder Tanah Mas (73.81 / 100), then Polder Banger (67.21 / 100), Polder Kali Semarang (58.70/100) and the Polder Tawang (58.65/100). The performance of the Polder system above can not be separated from the existence of an independent governing body and had been prepared much earlier. So the presence of the governing body needs to be prepared in the polder system development. To improve performance, the polder-existing polder in Semarang needs to be improved its performance by improving the performance indicators is still less based on this research primarily on indicators: financial, management agencies and learning and development.

Kajian Metode Analisis Gelombang Seismik Permukaan (SASW) untuk Pengembangan Teknik Evaluasi Perkerasan Lentur dan Kaku di Indonesia Rosyidi, Sri Atmaja P.
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 3, Edisi XXXVI, OKTOBER 2006
Publisher : Department of Civil Engineering, Diponegoro University

The need of accurate, cost-effective, fast and non-destructive evaluation of Indonesian pavement system is becoming ever important because the rehabilitation and management of roads is becoming increasingly difficult due to the increasing number of aging roads and limited budgets. An important feature of quality assessment of a pavement management system is the ability to determine the current condition and to predict future condition of the pavement. In order to establish the structural capacity of the existing roads, accurate information of the layer elastic moduli and thicknesses are needed. The aim of this paper is to describe the potential technique of the Spectral Analysis of Surface Wave (SASW) method for assessing the dynamic stiffness of constructed pavements. The SASW is a non-destructive in situ seismic technique which is based on the dispersion phenomena of Rayleigh waves in layered media. A set of transient impact source is used to generate Rayleigh wave energy that propagates horizontally near the surface layer of the pavement. Through two vertical accelerometers, the motion of the wave at the range of each frequency is recorded. The phases differences from the cross-power spectrum is then unwrapped and the dispersion curve of the phase wave velocity versus wavelength are then generated. An inversion process is iteratively employed to confirm the experimental dispersion curve from the theoretical model established. The SASW field test in this study was utilized to collect data on flexible and rigid pavement. The wave velocity profiles had shown that the SASW method is able to detect all the distinct layers of pavement units. The dynamic elastic modulus of obtained were found to be useful in the assessment of Indonesian pavement system.Keywords: SASW, dynamic stiffness, flexible and rigid pavement systemPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3949[How to cite: Rosyidi, S.A.P, 2006, Kajian Metode Analisis Gelombang Seismik Permukaan (SASW) untuk Pengembangan Teknik Evaluasi Perkerasan Lentur dan Kaku di Indonesia, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 3, pp. 224-239]Â

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