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MEDIA KOMUNIKASI TEKNIK SIPIL

mkts
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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 393 Documents

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Hasil Bongkaran Perkerasan Jalan sebagai Bahan Lapis Fondasi Jalan Raya Widodo, Sri; Harnaeni, Senja Rum; Hakim, Lukman
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 1, JULI 2013
Publisher : Department of Civil Engineering, Diponegoro University

Almost 40% of road in Indonesia are damaged. To obtain the maximum result of road improvement, the surface course (asphalt pavement) of the damaged road should be removed. Considering the number of quarries of road pavement materials are limited in the future and the costs are getting more expensive, it is important to do research on recycling asphalt pavement material as road base material. The objective of this research is to examine the use of asphalt pavement removal as road base material. Laboratory test was conducted to investigate the properties of the removal road asphalt pavement and then compared with specification of road base material Bina Marga. The tests include abrasion test, particles size distribution, density and California Bearing Ratio (CBR). Research was initiated by investigating the removalÂ ofÂ asphalt Â pavement maerial, followed by removal of asphalt pavement material + new aggregate, and the addition of 0.5%, 1%, 1.5%, 2% and 2.5% portland cement to the mixture of removal of asphalt pavement material and new aggregate. The result shows that adding 0.5% and 2.5% portland cement to the aggregate mixture can improve the CBR of aggregate mixture by 36% and 94%, which means the mixture of aggregate can be used as sub base and base material of road.

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

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]

Usulan Metoda Perhitungan Interaktif Struktur Pondasi di Atas Tanah Lunak dengan Menyertakan Pengaruh Penurunan Konsolidasi Jangka Panjang Lastiasih, Yudhi; Mochtar, Indrasurya B.
MEDIA KOMUNIKASI TEKNIK SIPIL Tahun 16, Nomor 2, JUNI 2008
Publisher : Department of Civil Engineering, Diponegoro University

Calculation of shallow foundation, as mat foundation or other types of raft foundation, on soft soil has never included any consideration of soil consolidation. Generally in calculation, the upper structure is considered separate from the lower structure. If long term consolidation is included, the problem will occur when a relatively very rigid structure (on shallow foundation) is assumed to cause relatively uniform settlement, so as to assume no differential settlement. Whereas, uniform consolidation settlement is induced only by non-uniform soil reaction, so that this problem can never be solved with the assumption of separate upper-lower structures. In this paper, a method of structural calculation is suggested so that building may undergo uniform settlement as long as the soil consolidation occurs, without causing any damage to the building. The calculation is performed using special program with assumption that the induced soil reaction is always to cause uniform settlement. From this method, a procedure of soil â€“structure interaction is proposed that building on soft soil may experience large settlement without damage. Keywords: Method of foundation design, Soil-structure interaction, Consolidation settlement, Shallow foundation, Soft soil problem ABSTRAK Perhitungan pondasi dangkal seperti pondasi pelat penuh ( mat foundation) atau tipe pondasi rakit lainnya di atas tanah lunak belum ada yang memasukkan unsur penurunan konsolidasi tanah dasar dalam perhitungan. Umumnya dalam perhitungan yang ada, struktur atas dan bawah dianggap terpisah. Untuk memasukkan konsolidasi jangka panjang, masalah akan terjadi ketika gedung yang relatif sangat kaku diasumsikan menyebabkan penurunan yang merata,sehingga dianggap tidak ada beda penurunan. Padahal untuk penurunan konsolidasi yang merata dibutuhkan reaksi tanah yang tidak merata, sehingga masalah ini tidak akan pernah dapat diselesaikan dengan sistem perhitungan terpisah. Pada uraian ini diupayakan suatu metoda perhitungan struktur yang dapat mengalami penurunan secara merata selama konsolidasi tanah berlangsung, tanpa menyebabkan terjadinya kerusakan pada strukturnya. Perhitungan dilakukan dengan program khusus dengan asumsi reaksi tanah selalu menghasilkan penurunan yang merata. Dari metode ini diusulkan cara perhitungan interaksi tanah â€“ gedung di tanah lunak yang menyebabkan gedung dapat mengalami settlement tanpa rusak. Kata kunci: Metoda perencanaan pondasi, Interaksi tanah-gedung, Penurunan konsolidasi, Pondasi dangkal, Masalah tanah lunakPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3691[How to cite: Lastiasih, Y. dan Mochtar, I.B. (2008), Usulan Metoda Perhitungan Interaktif Struktur Pondasi di Atas Tanah Lunak dengan Menyertakan Pengaruh Penurunan Konsolidasi Jangka Panjang, Jurnal Media Komunikasi Teknik Sipil, Tahun 16, Nomor 2, pp. 160-170]

Studi Model Prediksi Fatalitas Korban Kecelakaan Lalu Lintas Jalan Berdasarkan Karakteristik Wilayah dengan Multi Variabel Agus, Supratman
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 19, Nomor 2, DESEMBER 2013
Publisher : Department of Civil Engineering, Diponegoro University

Road safety researchers in many countries assume that population and numbers of vehicles as the most decisive variables to predict numbers of fatality by road accidents. That assumption is not accordance with conditions in Indonesian. In ASEAN, Indonesia has largest of area and population, longest road infrastructure, and largest number of motor vehicles, but road victimsâ€™ fatality is low. This indicate under reporting. Tis study aimed to obtaining the predictive model of road victimsâ€™ fatality which suits Indonesiaâ€™s conditions. Three model were compared are Andreassen model, Artificial Neural Network with two variable (ANN2) and four variables (ANN4), with numbers of driving license holder and length of road as two additional variables. Model validation was performed on three cities in West Java with different categories population densities. Result of comparison and validation test using MAPE, MAE, and RMSE criteria show that the best predictions models of road victimsâ€™ fatality is ANN4. In addition, predictions of road victim numbers in Indonesia are not only influenced by population and numbers of vehicles, but also by driving license holder numbers and length of road.

Tinjauan Debit Aliran Pada Saluran Utama Jaringan Irigasi Riam Kanan Sub Area A untuk Pertanian, Perikanan dan PDAM Fachrurazie, Chairil
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 13, Nomor 2, Edisi XXXII, JUNI 2005
Publisher : Department of Civil Engineering, Diponegoro University

Riam Kanan irrigation project is cosntucted for supporting and developing the agriculture irrigation system in South Kalimantan Province. Unfortunately, according to the current condition, main function on the irrigation itself has been changed to supply water for fisheries local industry along side the main channel. This paper is writen in order to recalculate the actual flow disharge since changing in utilization of irrigatiion main program. Discharge design 25 m3/ sec to supply originally paddy field around 8.641 ha at sub area A, actual only for 2.170 ha paddy field with 12,7 m3/ sec discharge flow. Another suplly is for fesh water consumption in Banjarmasin and Banjarbaru 1.300 litre/ sec all become 50.80%. Fisheries local insutry covered area 73 ha with water consumption 7,63 m3 secÂ equal to 30,52% of design capacity. Hence the total discharge utilized is 20.33 m3/ sec or equal to 81.32% of total design capacity. Keywords : Cropping Pattern, water sirculation, permeabiity, debit flowPermalink: http://ejournal.undip.ac.id/index.php/mkts/article/view/3905[How to cite: Fachrurazie, C., 2005, Tinjauan Debit Aliran Pada SaluranÂ Utama Jaringan Irigasi Riam Kanan Sub Area A untuk Pertanian, Perikanan dan PDAM, Jurnal Media Komunikasi Teknik Sipil, Volume 13, Nomor 2, pp. 20-26]

Assessment of Lean Construction Principles: A Case Study at Semarang Medical Centre Hospital Project Roy Adi Wijaya, Matias; Utomo Dwi Hatmoko, Jati; Suripin, Suripin
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 21, Nomor 2, DESEMBER 2015
Publisher : Department of Civil Engineering, Diponegoro University

The lean construction frameworks have been developed for years to enhance the poor performance of Indonesian project delivery system which influenced by the waste of non-value adding activities. Never the less most of the developments were limited on working process and lack in people empowerment. Toyota Way which integrate working process optimization and people empowerment, was developed as a lean construction frame works. This paper aimed to assess the implementation of Toyota Way principles in project delivery system by observing projectâ€™s delivery current state (status quo). The assessment began by conducting a questionnaire survey about Toyota Way implementation which then validated by interview with involved stakeholders and field observation. The assessment showed that projectâ€™s stakeholders were still unfamiliar with Toyota Way concept. Although some Toyota Way guidelines have been used in projects completion process such as visual management and training program, it found that those guidelines had not fully implemented. The project delivery system was lack of process focus and concerns more on relationship inter-parties. It also found thatToyota Way implementation will constrained by the difficulties to change the status quo of project delivery. Moreover, it seems that construction projects need practical guidelines to simplify the Toyota Way implementation in project delivery system such as project flow evaluation and system of reflection.

Respon Kuat Tekan Hammer Test dengan Compression Test pada Beton Normal dan Beton Pasca Bakar Arwanto, R.
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 14, Nomor 1, Edisi XXXIV, PEBRUARI 2006
Publisher : Department of Civil Engineering, Diponegoro University

Obtaining the concrete compression strength with the Swiss Hammer is a standard and well-known procedure.Â However, the use of this apparatus on concrete exposed to physical and chemical changes due to high temperature, is questioned.Â Research was conducted to validate the hammer test results on these specific concrete elements.Â The investigations were executed at the Pasar Induk Wonosobo, Wonosoboâ€™s mean market as case study.Â This local market was severely burned.Â The research work was done by compression strength comparison obtained from the Hammer on the field, to the tests results performed on laboratory samples. The research work proved that there was a substantial deviation in concrete compression strength obtained from the values of the Hammer on the field as compared to the cylinders tested in the laboratory.Â Therefore, the Swiss Hammer was found not suitable for non-destructive compression testing on concrete elements exposed to high temperatures due to fire or burning.Keywords: concrete, hammer test, compression testPermalink: http://www.ejournal.undip.ac.id/index.php/mkts/article/view/3938[How to cite: Arwanto, R., 2006, Respon Kuat Tekan Hammer Test dengan Compression Test pada Beton Normal dan Beton Pasca Bakar, Jurnal Media Komunikasi Teknik Sipil, Volume 14, Nomor 1, pp. 85-94]

Penerapan Zero Runoff System (ZROS) dan Efektivitas Penurunan Limpasan Permukaan Pada Lahan Miring di DAS Cidanau, Banten Wirasembada, Yanuar Chandra; Setiawan, Budi Indra; Saptomo, Satyanto Krido
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 2, DESEMBER 2017
Publisher : Department of Civil Engineering, Diponegoro University

Runoff is one of flood and erosion causal factor in Indonesia. Runoff occurred when rainfall cannot be infiltrated and flowed on the ground surface. Cidanau watershed has quite high rainfall average (2573 mm/year) so it has high runoff potential. Zero Runoff System (ZROS) is one of water conservation way which can infiltrate runoff to the ground using permeation structures. ZROSâ€™s successful parameter in order to decreasing runoff rate can be observed by the soil water content differences before and after ZROS application. Soil water content estimation was conducted by water balance model with and without runoff and then it is compared with soil water content from measuring. The simulation results indicated that soil water content in the research field before and after ZROS application is 0.476 and 0.569 m3/m3 respectively. The simulation is also conducted for past 10 years (2004-2013) and resulted higher soil water content if ZROS were applied. This results indicates that ZROS capable to decrease and permeate runoff to the ground and then increase soil water content level. Water balance model with and without runoff has coefficient of determination (R2) 0.606. It means that this model could simulate the soil water content differences before and after ZROS application valid relatively.

Pengaruh Pemanfaatan Tempurung Kelapa sebagai Material Serat terhadap Kuat Tekan dan Kuat Tarik Beton Rustendi, Iwan
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 12, Nomor 2, Edisi XXIX, JULI 2004
Publisher : Department of Civil Engineering, Diponegoro University

Concrete is the one of building material that excisting intense very popular in engineering and contractor as well as in general society. To complete the performance of concrete, several inovation have already made by people that have competen of its. Consider of result from detailed test, material addition that capable to increasing strength of concrete is fiber. Addition fiber for concrete will make great influence for tensile strength of concrete, but for compressive strength is not significan. In this research, will detected how much that influence of coconut shell fiber toward strength from several variation dosis. Sample of concrete is made in four type, first sample with 0% of coconut shell fiber, second sample with 5% of coconut shell fiber, third sample with 10% of coconut shell fiber and the last sample with 15% of coconut shell fiber. From result of detailed test concrete, the compressive strength is to be reduction, but the tensile strength to be increase alowed from increasing coconut shell fiber. With 5% addition of coconut shell fiber the compressive strength is reducted at 19,36% and the tensile strength is increasing at 4,29%, with 10% addition of coconut shell fiber the compressive strength is reducted at 23,00% and the tensile strength is increasing at 19,63% and with 15% addition of coconut shell fiber the compressive strength is reducted at 40,09% and the tensile strength increasing at 36,81%. Key words :Â Â Â Â Â fiber concrete, coconut shell fiber, compressive strength, tensile strength.

Analisis Tegangan Regangan dan Defleksi pada Sambungan Balok-Kolom Beton Bertulang Menggunakan Beban Statik Prayuda, Hakas; Cahyati, Martyana Dwi; Soebandono, Bagus
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 2, DESEMBER 2018
Publisher : Department of Civil Engineering, Diponegoro University

Reinforced concrete is commonly used in any infrastructures. In building, it can be applied for beam and column separately, but the joints between those elements in this type of structure might be vulnerable due to the strength compared to the element itselft. In this study, some parameters namely ductility, stiffness, and energy dissipation of beam-column connection in precast concrete will be examined using finite element method. Six samples in this experiment are made considering some variations such as connection type in interior and exterios condition, round-shaped and rectanguler-shaped of column, and T-shaped and rectanguler-shaped of beam. Static loads were given in the middle of the beam and column so that the crack pattern can be obtained. From this experiment, it will be known the best and suitable joints by observing those three parmeters.

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