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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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Influence of Water to Cement Ratio (W/C) on Slump Flow and Compressive Strength of Self Compacting Concrete (SCC) Containting Portland Pozzolan Cement Tjaronge, Muhammad Wihardi; Djamaluddin, Abdul Rahman; Lemba, Nocolaus Rahmayanto; Kalesaran, Ichsan
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 1, Edisi XXXIV, PEBRUARI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Fly ash atau abu terbang adalah limbah pembakaran batu bara yang membutuhkan area pembuangan atau penimbunan yang luas. Penimbunan abu terbang dalam jumlah yang banyak dan terus menerus akan menyebabkan terjadinya polusi yang merusak ekosistem di sekitarnya. Pencampuran abu terbang dengan semen Portland untuk membuat sejenis semen Portland Pozzolan dapat memberikan keuntungan ekologi dan membuat dan menghemat sumber daya alam. Penelitian ini menggunakan sejenis semen Portland Pozzolan yang mengandung abu terbang untuk membuat Self Compacting Concrete (SCC). Perbandingan air terhadap semen (W/C) merupakan suatu parameter yang penting dalam campuran beton. Mix desain dengan beberapa variasi (W/C) yaitu 30,35, 40% dibuat untuk mempelajari pengaruh W/C terhadap slump flow dan kuat tekan SCC.Kata kunci: semen Portland Pozzolan, Self Compacting Concrete (SCC), perbandingan air terhadap semen (W/C), slump flow, kuat tekanPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3940[How to cite: Tjaronge, M.W., Djamaluddin, A.R., Lemba, N.R. dan Kalesaran, I., 2006, Influence of Water to Cement Ratio (W/C) on Slump Flow and Compressive Strength of Self Compacting Concrete (SCC) Containting Portland Pozzolan Cement, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 1, pp. 106-111]

Pengaruh Kadar Air Awal Dan Surcharge Pressure Pada Uji Karakteristik Pengembangan Tanah Ekspansif Diana, Wilis; Hartono, Edi; Widianti, Anita
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 2, DESEMBER 2017
Publisher : Department of Civil Engineering, Diponegoro University

Expansive soils experience volumetric changes due to water content changes. These volumetric changes cause swell and shrink movement in soils, which in turn will inflict severe damage to structures built above them. A Proper understanding of how the expansive soil behaves during the wetting/drying process is essential for assessing the mitigation action of expansive soil hazard and design suitable foundation. The structures that build above expansive soil bed are susceptible to heave and to withstand swell pressure, thus the swell pressure must be considered in the design. This study focuses on swelling properties of two expansive clay from Ngawi, East Java and Wates, Yogyakarta. Laboratory test on disturbed samples is used to identified and to measured swelling properties. A series of swelling test was performed under constant soil dry density. The influence of initial water content and surcharge pressure on swelling properties (i.e swell percent and swell pressure) of compacted samples were investigated. The swelling properties test used ASTM standard 4546-03 method B. It was found that the lower initial water content the higher the swell percent, but the swell pressure seems not to be affected by initial water content. At the same initial water content, swell percent decrease with the increase of surcharge pressure, but swell pressure remains unchanged.

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

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]

Sustainability Beton Metode Life Cycle Assessment Studi Kasus: Limbah Beton Laboratorium Bahan dan Konstruksi Departemen Teknik Sipil Universitas Diponegoro Semarang Sapulete, Christhy Amalia; Lie, Han Ay; Priastiwi, Yulita Arni
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 2, DESEMBER 2018
Publisher : Department of Civil Engineering, Diponegoro University

Sustainability is an effort to build an infrastructure by considering the environmental impacts that occur. Concrete production as a construction material that commonly used in infrastructure development is one contributor to carbon dioxide (CO2) emissions. CO2 is produced from the calcination process in the manufacture of cement, burning of fossil fuels, and electrical energy used. More specifically by reviewing the calcination process on cement making, it has evaluated the consumption of cement in concrete production. The Life Cycle Assessment (LCA) is an environmental impact evaluation in terms of the life cycle of a product, wherein this paper, using the cradle-to-cradle scope, LCA is used as a method to evaluate cement consumption in concrete production to concrete waste management by taking concrete waste at Construction Laboratory and Materials Diponegoro University, Semarang for the case study. The results of the evaluation stated that the use of geopolymer concrete with fly ash as a substitute for cement could reduce up to 80% CO2 emissions with concrete strength 75% larger than conventional concrete. And for the concrete waste management, Construction Laboratory and Materials Diponegoro University reused concrete cylinder waste as a substitute material to build the retaining wall.

Analisa Kinerja Pelayanan Angkutan Bus Sedang Jurusan Bukit Kencana â€“ Mangkang Adi, Rudi Yuniarto
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 16, Nomor 1, PEBRUARI 2008
Publisher : Department of Civil Engineering, Diponegoro University

For supporting the activity of society in Semarang, a city with very large area and population spread, so it is required transportation facility much. With the different society economy grade condition in fulfillment transportation facility necessity, one of the facilities required is Public transportation. Up to now the necessity of load public transportation in Semarang has been served by some kinds of vehicle with different destination (route). One of destinations which is being developed is public transportation by using medium bus with destination of Bukit Kencana to Mangkang. The purpose of this research is to find out the load factor, frequency, headway, keeping watch (waiting) time, vehicle speed, time range of journey and the vehicle age which operate with destination of Bukit Kencana to Mangkang. Whereas the objective of the research is to evaluate the way in which public transportation using medium bus with destination Bukit Kencana to Mangkang operates. The research method used is field research by collecting data relating with the way in which the service operation including load factor, frequency and headway, keeping watch time, speed, time trip, and the age of vehicle. The result of the survey and the data analysis present that the way in which public transportation using medium bus with destination of Bukit Kencana to Mangkang operation is good enough with the following conditions: Maximum keeping watch time reaches 31 minutes, The sum of served passengers on holiday is 281 persons/day, Vehicle utilization is 181, 67 km/day, Availability on holiday is 64,29 %, Speed on an average is 20,50 â€“ 23,15 km/hour , Time range of journey is 86,25 â€“ 91,11 minutes, Mean of Load factor Bukit Kencana to Mangkang is 62,06 % and Mean of Load factor Mangkang to Bukit Kencana is 63,61 %, Vehicle age on an average is 5 years. Keywords : Performance, services, public transportation, medium bus, Bukit Kencana to MangkangPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3666[How to cite: Adi, R.Y. (2008), Analisa Kinerja Pelayanan Angkutan Bus Sedang Jurusan Bukit Kencana â€“ Mangkang, Jurnal Media Komunikasi Teknik Sipil, Tahun 16, No. 1, pp. 61-78]

Penatagunaan Kawasan Sekitar Waduk dalam Upaya Menjaga Kelestariannya (Model DAM) Nugroho, Hari; Suripin, Suripin
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 2, DESEMBER 2013
Publisher : Department of Civil Engineering, Diponegoro University

Kedungombo reservoir has provided a substantial contribution in improving the welfare of society, so that its existence should be preserved. As time goes there are some issues Kedungombo. The problems are concerning with the condition of reservoirs, dams and problems in the surrounding area. To preserve the reservoirs, conservation efforts by reviewing the management of the reservoir area. The study results showed that there was no master plan to utilize the management of Kedungombo catchment. For this reason, it is proposed the development of Kedungombo area is directed to recover the potential and cultivitation areas, to empower community and to strengthen the protected and cultivitation areas in order to concerved Reservoir. Kedungombo area is directed as a center of tourism services, housing, aquaculture and local protected areas. Reservoir area is specified to 500 meters from the boundary of the highest reservoir water level, so hopefully all the activities in this area follows specified to the regulations. It is recommended to develop an institution to manage Kedungombo Area. The institution should be able to implementation the principle of management i.e. transparency, open to various parties; can be accounted for; clarity the limits of authority, territory under the following management roles and responsibilities and apply the principles and legal norms in the management of the Area Kedungombo. The model is expected to be implemented and become a model for Reservoir Management in Indonesia.

Analysis of Flat Plate Structures by Equivalent Grid Method Nurhuda, Ilham; Han, Ay Lie
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 1, Edisi XXXI, PEBRUARI 2005
Publisher : Department of Civil Engineering, Diponegoro University

Penggunaan model lebar efektif balok untuk menganalisis struktur flat-plate yang dikenai beban lateral sudah sering dilakukan. Namun demikian, sampai saat ini model tersebut masih terbatas penggunaannya pada model-model struktur 2 dimensi. Analisis ini memperluas penggunaan model grid ekuivalen untuk menganalisis struktur secara 3 dimensi. Lebar efektif grid dianalisis secara empirik berdasarkan hasil eksperimen. Perilaku struktur ditinjau dengan melakukan analisis struktur secara linier dan non linier.Keywords: flat-plate, model, reinforced concretePermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3898[How to cite: Nurhuda, I. dan Ay Lie, H., 2005, Analysis of Flat Plate Structures by Equivalent Grid Method, Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 1, pp. 71-79]

Stabilisasi Tanah Lempung dengan Mengunakan Larutan Asam Sulfat (H2so4) pada Tanah Dasar di Daerah Godong - Purwodadi Km 50 Kabupaten Grogogan Prabandiyani RW, Sri; Hardiyati, Siti; Muhrozi, Muhrozi; Pardoyo, Bambang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 21, Nomor 1, JULI 2015
Publisher : Department of Civil Engineering, Diponegoro University

An expansive clay soil material that is composed of various minerals include kaolinite, montmorillonite and illite group. Mineral montmorilinite have the sensitivity to the effects of the water is very easy to expand and contract. High and low levels of development (swelling) and shrinkage (shrinkage) expansive clay is determined by the high and low content of montmorillonite on expansive clay granules. Because of these properties are very high content of montmorillonite often cause problems in the building. This study uses a solution of sulfuric acid (H2SO4) as a stabilizer through the compaction process Modified Proctor on OMC Proctor standard by the number of collisions each is 10 x, 25 x and 56 x, and the amount of additional water in cc on dry ground, with variations in increments of 100%, water by 90%:10% H2SO4, water by 80%: 20% H2SO4 and water by 90%: 30% H2SO4. This research was conducted testing-testing in the laboratory include: physical properties, mechanical properties. swelling pressure, swelling potential and CBR with curing and no curing. Results of the test-the test, can increase the value of physical and mechanical properties, while pergujian against swelling pressure and swelling potential is not significantly increased.

Analisis Biaya dan Waktu Optimal pada Proyek Ruko Paskal Hypersquare dengan Least Cost Scheduling Adianto, Yohanes L.D.; Maliki, Ali; Prasetyo, Wisnu
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 1, Edisi XXXIV, PEBRUARI 2006
Publisher : Department of Civil Engineering, Diponegoro University

So many construction projects had been done without optimal project cost and optimal project time completion. Time needed for project completion actually can be shortened with using more economical resources. This paper will try to analyze how to get an optimal project cost and optimal project time completion. This is a case study of Paskal Hypersquare Ruko project which is located at Pasir Kaliki Street, Bandung. Analysis will be done on structural works and wall fixing, both activities will be accelerated using overtime work schedule on critical works. All will be done in accordance with worker's coefficient standard which is set by Dinas Tata Ruang dan Permukiman Jawa Barat for year 2004, and also in accordance with worker's pay standard issued by Jurnal Bahan Bangunan Jawa Barat year 2004 edition. From 21 acceleration alternatives which were analyzed, finally found the most optimal project alternative. With this alternative, the project can be completed in 158 days with a total project cost Rp 31.658.654.555,00. As conclusion, this optimal alternative will save cost as much as Rp 14.831.515,00 and shortened the completion time 7 days earlier. Keywords: least cost scheduling, time, cost, optimal project cost, project accelerationPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3931[How to cite: Adianto, Y.L.D., Maliki, A. dan Prasetyo, W., 2006, Analisis Biaya dan Waktu Optimal pada Proyek Ruko Paskal Hypersquare dengan Least Cost Scheduling, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 1, pp. 21-29]

Analisis Kelayakan Perubahan fungsi Terminal Penumpang menjadi Fasilitas Parkir Angkutan Barang (Studi Kasus Terminal Terboyo Semarang) Basuki, Kami Hari; Kushardjoko, Wahyudi; Janita, Andreana; Pratama, Ganis Satria
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Semarang City has public transport terminal at Terboyo. It is unperformance terminal has caused by land subsidden and flood. The aims of this study is determined fisibility of Terboyo freight-transport terminal park at Semarang City. Methodology analysis at this study is improved transport modelling to determine freight-transport demand. Traffic counting survey with Manual Kapasitas Jalan Indonesia (MKJI) 1997 method are used to know the road and intersection performances that closest to Terminal Terboyo. The study results have showed most trucks parked in Kaligawe road and Yos Sudarso road was continuous journey, while trucks parked in Ronggowarsito road was a truck with the origin or destination of Semarang. Potential park fasilities at Terboyo is indicated by the length of the vehicle configuration plan of 8 meters and parking 45Â° obtained as much as 73 PSU (Parkign Space Unit), while the north side of the field with a length of 18 meters and plan vehicle parking configuration 30Â° obtained 76 PSU. It has powerfull to accommodate parking of heavy vehicles. This studi has not identified the potential of regional freight-transport. Occutionally, the pattern of movement of freight transport does not occur in the local area only. So, that further studies need to be conducted with respect to the coverage area of study on a regional basis.

Page 14 of 48 | Total Record : 471

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