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INDONESIA
MEDIA KOMUNIKASI TEKNIK SIPIL
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 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 471 Documents
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Kinerja Jalan Beton Semen pada Lalu Lintas Bervolume Rendah di Indonesia Dachlan, Tatang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 1, Edisi XXXIV, PEBRUARI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (298.927 KB) | DOI: 10.14710/mkts.v14i1.3932

Abstract

This paper aimed to identify the performance of cement concrete roads pavement constructed on several low volume roads location This study is based on the design method from Cement Concrete Institute (CCI, 2000).Based on study in Pusat Litbang Prasarana Transportasi, this method may be used because relatively more simple and relatively effective and efficient for determining the thickness design of cement concrete road pavement for low volume traffic in Indonesia. In analyzing the performance of cement concrete road pavement located on predicted low volume roads category, field surveys are performed such as road surface condition, sampling by core drill, and bearing strength of road pavement courses using Dynamic Cone Penetrometer (DCP). The result may be identified that there are variable thickness based on existing data. This result may be considered in formulating the determination of design thickness of cement concrete pavement for low traffic roads in Indonesia.Keywords: cement concrete roads, low volume roadsPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3932[How to cite: Dachlan, T., 2006, Kinerja Jalan Beton Semen pada Lalu Lintas Bervolume Rendah di Indonesia, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 1, pp. 30-47]
Model Simulasi Risiko Rantai Pasok Material Proyek Konstruksi Gedung Hatmoko, Jati Utomo Dwi; Kistiani, Frida
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 1, JULI 2017
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1184.222 KB) | DOI: 10.14710/mkts.v23i1.14697

Abstract

Delays related to materials are one of main problems of construction project. An effective supply chain management has a significant role in preventing this type of delay. The aim of this research is develop risk simulation model of construction supply chain in buildings. The materials include steel bars, steel profiles, formwork, and precast concrete, as they are considered the main building material. The supply chain risks are classified from supply, control, process, and demand sides. Monte Carlo simulation has been performed using Cristal Ball software. Risk identification was done through literature review, site observation, and interviews with 29 contractor personnel  working for nine building projects. The simulation results show that the minimum, maximum, and most frequent delays (in days), as follows: steel bars (2.20. 17.05, 11.24); steel profiles (2.12, 15.10, 9.75), formwork (1.79, 16.04, 10.45), precast concrete (1.76, 15.61, 10.24).  The sensitivity analysis shows that delay due to change order from client is the most sensitive for  steel bars, steel profiles, and formwork of 25.5%, 37.4%, dan 17%, respectively. The results of this research is useful for contractors and owners who can use them as a guidance in identifying, predicting, and mitigating supply chain risks for a successful project.
Pengaruh Model Change Order pada Kehilangan Produktivitas dan Performa Proyek KOnstruksi Jalan dari Perspektif System Teori Sulistio, Hendrik; Wibowo, M. Agung
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 17, Nomor 3, OKTOBER 2009
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3094.326 KB) | DOI: 10.14710/mkts.v17i3.7862

Abstract

Change order at project of road construction almost cannot avoid. Change of work happened because of field needs, and completeness of physical work to be in line with the initially project’s purpose. Some research of change order show that change order can influence by efficiency, execution, of profit, dispute and claim, losing productivity and degradation of performance. All  former research about change order not yet been analysed holysticly. The model of change order influence of productivity and performance should be predict holisticly with paying attention to the indicator influencing each variable. The research purpose is to analyse influence of change order at productivity losing and performance of the road costruction projrct from the theory system in 4 steps, that is phase 1 to describes about change order variable, phase 2 to describe about productivity losing, phase 3 to describe variable of performance, phase 4 to assimilate phase 1 up tophase 3. The cobclusion is change order has to check holisticly to influencing variable, so the model can illustrate the real phenomena happened. The influencing variable is productivity losing and performance in the construction project. Number of influence and the variable is being influence one each other and this research cluster 3 phases nee hard system method. Keywords : Change order, Losing productivity, Soft system, Performance, System theory.   Abstrak     Change order pada proyek konstruksi jalan hampir tidak dapat dihindari. Perubahan pekerjaan terjadi karena kebutuhan lapangan, dan untuk menyempurnakan pekerjan fisik agar sesuai dengan tujuan semula proyek. Beberapa penelitian Change order menunjukkan bahwa change order dapat juga mempengaruhi efisiensi, pelaksanaan, penurunan profit, klaim dan perselisihan, kontingensi, kehilangan produktivitas, dan penurunan performa. Semua penelitian terdahulu tentang change order belum dianalisis secara holistic. Model pengaruh change order terhadap kehilangan produktivitas dan performa, seharusnya diprediksi secara holistic dengan memperhatikan indikator yang mempengaruhi masing-masing variable tersebut. Tujuan penelitian adalah menganalisis pengaruh change order pada kehilangan produktivitas dan performa proyek konstruksi jalan dari perspektif system theory dengan cara soft system (mental model). Metodologi dari penelitian dianalisis dengan cara system teori dengan 4 langkah, yaitu fase 1 mendiskripsi tentang variable change order, fase 2 mendeskripsikan tentang variable kehilangan produktivitas, fase 3 mendeskripsikan tentang variable performa, fase 4 menggabungkan fase 1 sampai dengan fase 3. Kesimpulan adalah change order harus diteliti secara holistic terhadap variabel yang mempengaruhinya, sehingga model dapat menggambarkan fenomena yang sebenarnya terjadi. Variabel yang mempengaruhinya adalah kehilangan produktivitas dan performa proyek konstruksi. Besar pengaruh dan variabel-variabel tersebut saling mempengaruhi, perlu dilakukan penelitian terhadap penggabungan tiga fase diatas dengan hard system. Kata kunci: Change order, Sistem teori, soft sistem, kehilangan produktivitas, performa
Evaluasi dan Prediksi Pengelolaan Jaringan Air Bersih IKK Brangsong Kabupaten Kendal Berbasis Sistem Informasi Geografis dalam Rangka Mendukung Millenium Development Goals (MDGs) Atmojo, Pranoto Samto; Sangkawati, Sri
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 17, Nomor 1, PEBRUARI 2009
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (460.212 KB) | DOI: 10.14710/mkts.v17i1.3417

Abstract

To support government program Millennium Development Goals ( MDGS) where’s in the year 2015 : 80% of residents must be able to served by supply of cleanness water systems, hence writer will do evaluate of management and distribution of network supporting  facilities for cleanness water based on technology that is  using GIS ( Geographical Information System). GIS can stored technical data of cleanness water network, and GIS  in allying with hydraulic model of EPANET applicable to evaluate network existing and assists to predict possibility future  expansion of network ( eg the year 2015). This evaluation covers mapping of STA pipe network with GPS, mapping of continuation with GIS, calculation of scenario prediction clean water required in the year 2015, and handling of network supporting facilities for clean water with simulation EPANET for network existing and extension of either in the year 2008 and also for the year 2015. This research be done based on the real field condition  there are: Cleanness water supplies for public IKK Brangsong supported by 2 pumping  well. Its Part of  Sub-Province Kendal area - that PDAM’s  customer- no supplied  by network especially at the peak hour time, and resent still have much  region which has not been served clean water by PDAM ,so that’s need to extension network to supplied that area. Keywords: GPS,  GIS, EPANETPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3417[How to cite: Atmojo, S.A. dan Sangkawati, S. (2009). Evaluasi dan Prediksi Pengelolaan Jaringan Air Bersih IKK Brangsong Kabupaten Kendal Berbasis Sistem Informasi Geografis dalam Rangka Mendukung Millenium Development Goals (MDGs), Jurnal Media Komunikasi Teknik Sipil, 17 (1): 98-109]
KARAKTERISTIK ALIRAN AIR DALAM MODEL SALURAN TERBUKA MENUJU KAJIAN HIDROLIKA EROSI DAN TRANSPOR SEDIMEN Bakhtiar, Bakhtiar; Hadihardaja, Joetata
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 17, Nomor 2, JUNI 2009
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.67 KB) | DOI: 10.14710/mkts.v17i2.7880

Abstract

This paper is prepared as a comprehensive resume of results of continuing research of the author at Fluid Mechanics and Hydro dynamics Laboratory,  Departement  of Civil Engineering, Engineering Faculty, Sangga Buana YPKP University, in collaborating with lecturer team and last year student researchers. The propose of this research is to prove theoretical and mathematical of fluid mechanics and fluid dynamics with observation and measurements to the real water flow in laboratory channel model. Two parts of experiments was done, first allowing water discharge in glass ditch model, and second with add the bottom channel with sand layer. So these research included the difference viscosity of fluids. The results proved that theoretical and mathematical models of fluid mechanics and fluid dynamics characteristic are agreed with experimental observations and measurements in laboratory. Those characteristics included discharge, velocity, flow depth, Froude number, hydraulic radius, and shear stress. Next, these research also propose to be continue to observe the characteristic of sediment transport in water flow. Keywords : Theoretical discharge, theoretical velocity, Froude number, observed discharge, observed velocity, water flow depth, hydraulic radius, shear stress. ABSTRAK Makalah ini merupakan rangkuman hasil pekerjaan penelitian yang dilakukan penulis selama di Laboratorium Mekanika Fluida dan Hidrodinamika Jurusan Teknik Sipil Universitas Sangga Buana YPKP, bersama tim dosen dan para mahasiswa tugas akhir. Tujuan penelitian terutama adalah untuk pembuktian model-model teoritik melalui pengamatan langsung aliran air nyata dalam saluran yang dimodelkan. Dua bagian eksperimen telah dilakukan yaitu dengan saluran kaca dan saluran kaca yang dasarnya dihampar pasir, dengan demikian aliran air pada eksperimen kedua akan membawa pasir, sehingga penelitian ini menguji karakteristik dua aliran dengan viskositas yang berbeda. Hasil menunjukkan bahwa karakteristik aliran air di saluran terbuka yang diturunkan secara teoritik dan didekati dengan model matematik sesuai dengan hasil pengamatan dan pengukuran pada model saluran di laboratorium. Karakteristik yang terbuktikan menyangkut debit, kecepatan, kedalaman aliran, bilangan Froude, jari-jari hidrolis, dan tegangan geser. Penelitian ini ditujukan pula untuk mendalami aspek transportasi sedimen, sebagai penelitian lanjutannya. Kata kunci: Debit teoritik, kecepatan aliran teoritik, bilangan Froude, debit pengamatan, kecepatan aliran pengamatan, kedalaman aliran pengamatan, jari-jari hidrolis, tegangan geser.
Analisis Nonlinier Tekuk Torsi Lateral pada Balok Baja Cellular Hung, Benny Gunawan; Suryoatmono, Bambang
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 25, Nomor 2, DESEMBER 2019
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (783.126 KB) | DOI: 10.14710/mkts.v25i2.23674

Abstract

One of many buckling modes that could occur on the beam is lateral-torsional buckling. Lateral torsional buckling could result in lateral deformation and torsion of section. In the AISC 360-16 Spesification, an equation is provided to calculate lateral-torsional buckling critical moment of prismatic I section beam. For cellular beams (I section beam with circular openings), AISC Design Guide 31 states that the lateral-torsional buckling critical moment should be checked in accordance with AISC Specification using gross section properties. With this assumption, thus, the design guide ignores the existence of circular opening on the web, which can cause a reduction of lateral-torsional buckling critical moment. In this study, lateral-torsional buckling analysis on cellular beam with simple support loaded by distributed transversal load has been done - the analysis utilized finite element based software. From the analysis, the critical moment is lower than AISC 360-16 critical moment with the assumption of prismatic I section beam, with the maximum difference percentage of 43,58%. Based on this study, a correction factor has been obtained to estimate the critical moment of cellular beams by using equation on AISC 360-16. 
Komposisi dan Kekuatan Tekan Beton Karakteristik pada Campuran Semen Nusantara, Pasir dan Split dari Beberapa Tempat di Sekitar Kabupaten Banyumas Gandadinata, Indrayana
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 3, Edisi XXX, OKTOBER 2004
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (137.657 KB) | DOI: 10.14710/mkts.v12i3.3890

Abstract

As usually the composition/formation for concrete mixing there has 1 part of cement : 2 parts of sand : 3 parts of crushing stone (1:2:3) or 1 part of cement : 1,5 parts of sand : 2,5 parts of crushing stone (1:1,5:2,5) to be reckoned and also usually doing in Banyumas Regency. In spite of this case to make problems: (i) if the composition/formation for concrete mixing as above has usually already exactly use for base material/raw material condition like sand and crushing stone to be in stock in several places round about Banyumas Regency; (ii) when is’nt it, therefore how much the composition/formation for concrete mixing exactly good based to the base material/raw material condition to be in stock in several places round about Banyumas Regency; and (iii) when the composition/formation for concrete mixing is exactly/good to be able to known and after that how many strong of the characteristic compression can be reach by several composition/formation for concrete mixing use the material to be come from several places round about Banyumas Regency as above mentioned. The problems as above mentioned to be important to examined because with the condition of base material/raw material to be in stock suppose that the concrete mixing composition not as usually, this case must be important to prove because Banyumas Region and round about it has many base material/raw material but not yet efficiency use with the exactly composition. From the result of examination which to execute in laboratory based on sive analysis and concrete cube test (crushing test) determined the concrete mixing composition for the materials to be in stock from several places round about Banyumas Regency, there was 1 part of cement : 2 parts of sand : 2 parts of crushing stone (1:2:2) not as usually and the concrete characteristic compression (sbk) was about between 181,50 kg/cm2 – 242,53 kg/cm2.Keywords: Concrete Composition, Concrete Characteristic CompressionPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3890[How to cite: Gandadinata, I., 2004, Komposisi dan Kekuatan Tekan Beton Karakteristik pada Campuran Semen Nusantara, Pasir dan Split dari Beberapa Tempat di Sekitar Kabupaten Banyumas, Jurnal Media Komunikasi Teknik Sipil, Volume 12, Nomor 3, pp. 84-90]
Evaluasi Penerapan Constructability pada Proyek Konstruksi Bangunan Gedung Dony Yunianto Yunianto; Jati Utomo Dwi Hatmoko; Arif Hidayat
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 20, Nomor 2, DESEMBER 2014
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (564.928 KB) | DOI: 10.14710/mkts.v20i2.9255

Abstract

Constructability is the integration of expertise for the planning and designing process of a project. Constrcutabilty implementation better starts from planning phase; therefore, this phase has major influence for the whole project. This research is aimed to evaluate the constructability implementation on design bid build project and design and build system. The research method is qualitative and quantitative approach; qualitative approach applied to learn things that influence the construction implementation evaluation, meanwhile, quantitative method is applied to receive analysis from each level of constructability implementation of the project. Researcher evaluates the constructability implementation on the designated building project including the research on constructability implementation phases, projects’s life cycles, and the stakeholder’s roles. The overall average value received from the constructability implementation on Universitas Diponegoro Building project is 2.44, and for the overall average value of private Apartment project is 3.03. The result received from the two designated project is that the private apartment project generated a better value compare to the Universitas Diponegoro Building project. The project life cycles also show that the private apartment building project was able to optimize the execution time by using the constructability and the design also more constructable.
Waktu Ikat Adukan Beton dengan Pocket Penetrometer serta Korelasinya terhadap Nilai Slump Narayudha, Moga; Han, Ay Lie
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 3, Edisi XXXIII, OKTOBER 2005
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (255.204 KB) | DOI: 10.14710/mkts.v13i3.3922

Abstract

Workability of concrete mixtures has direct impact to placing, compaction and density of hardened concrete.  To date the concrete industry has mandated the slump-value obtained by the Abrams-Harder method as the standard for evaluating concrete’s workability.  On the other hand, setting time of cement strongly influences the workability of mixtures.  A slump value of zero was identified as to be the initial setting time of mixture.  Research performed at the Material and Construction Laboratory, Diponegoro University, showed that actual setting time measured by mixture testing with the Pocket Penetrometer deviates significantly from the results of the Abrams test. Further, the effect of retarding admixtures to the workability of concrete mixtures, are evaluated.Keywords: Concrete mixture, Initial setting time, Pocket Penetrometer, Slump, AbramsPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3922[How to cite: Narayudha, M. dan Han, A.L., 2005, Waktu Ikat Adukan Beton dengan Pocket Penetrometer serta Korelasinya terhadap Nilai Slump, Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 3, pp. 67-74] 
Korelasi Skid Resistance dengan Kedalaman Tekstur pada Permukaan Perkerasan Lentur Pandia, Indra Jaya; Lubis, Adina Sari; Rambe, Andy Putra
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 2, DESEMBER 2016
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (499.27 KB) | DOI: 10.14710/mkts.v22i2.12880

Abstract

Skid Resistance is the force generated between the pavement surface and vehicle’s tires to resist the vehicle advance motion when braking. In this research the correlation between skid resistance value and texture depth on the pavement surface will be determined. The skid resistance value determined by using the British Pendulum Tester (BPT) and to determine the texture depth used Sand Patch Method. The research is conducted directly on a macro textured surface with two methods. The first method is applied on Ngumban Surbakti Road where the samples tested with the same distance from the edge of the pavement along the road; The second method is applied on Jend. Sudirman Road where the samples tested with specific distances from the edge of the pavement until the median. From the results of the analysis, there are some conclusions: (1) there is a positive correlation between the texture depth and skid resistance with a coefficient of determination (R2) = 0.028 on Ngumban Surbakti Road and (R2) = 0.191 on  Jend. Sudirman Road;(2) the increase of skid resistance value is directly proportional to the increase of surface texture depth value; and (3) the different methods did not cause significant yield differences.

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