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Rekayasa Sipil
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
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Articles 551 Documents
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Kajian Kinerja Pelayanan Terminal Penumpang Domestik Bandar Udara Kelas 1 Utama Juwata Tarakan Johan Wahyudi; M. Zainul Arifin; Agus Dwi Wicaksono
Rekayasa Sipil Vol 10, No 2 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1314.189 KB)

Abstract

Terminal penumpang Bandar Udara Kelas 1 Utama Juwata Tarakan yang merupakan Bandar udara pengumpul di provinsi baru Kalimantan Utara serta diberlakukan peraturan baru Kemenhub no. PM 157 tahun 2015. Maka dilakukan kajian mengenai kinerja pada saat ini. Metode yang digunakan adalah metode ImportancePerformance Analysis (IPA), Quality Function Deployment (QFD) dan Analisis Regresi Linier Berganda. Responden adalah penumpang dan dari Pengelola Bandar Udara. Dari analisis IPA diketahui tingkat kinerja pelayanan yang masih perlu ditingkatkan adalah X5, X14, X16, X20, X26, X27, X31, X32, X35. Hasil analisis QFD menghasilkan prioritas penanganan yang harus dilakukan yaitu: Menambah Kekurangan Rambu dan Layout; Pemberdayaan ruang yang belum digunakan; Optimalisasi Ruangan; Penambahan dan pengaturan ulang tempat duduk; Menambah jumlah Personil; Penyesuaian rambu Informasi angkutan lanjutan; Koordinasi dengan pihak provider internet; Penambahan Peralatan Pemeriksaan Keamanan dan penunjang; Pembuatan jalur antrian; Perbaikan rambu fasilitas nursery; Mengoperasikan 2 X–Ray dan 2 Walk Trough Metal Detector; Penambahan fasilitas pembelian tiket online oleh Airline. Berdasarkan analisis regresi linier berganda, diperoleh model Y=36,350+3,765X5+5,397X14+4.204X16+2,293X26+3,522X31+6,737X35. 
Pengaruh Perubahan Microstruktur Beton Akibat Suhu Tinggi Terhadap Lebar Retak Balok Beton Bertulang Edhi Wahyuni Setyowati
Rekayasa Sipil Vol 10, No 2 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (681.756 KB)

Abstract

Telah terbukti bahwa beton merupakan material yang tahan terhadap suhu tinggi, pengaruh suhu tinggi akan mengakibatkan perubahan terhadap struktur mikro beton yang akan membawa dampak perubahan sifat sifat fisis dan mekanis beton. Tulisan ini membahas tentang hasil pengamatan terhadap lebar retak maksimum balok beton bertulang 15 cm x 15 cm x 7,5 cm, yang mendapatkan paparan suhu tinggi dan hubungannya dengan perubahan/kerusakan pada struktur mikro beton pasca paparan suhu tinggi pada balok beton bertulang. Pada 400 o C terjadi perubahan struktur mikro beton yang menunjukkan adanya peningkatan silica dan perubahan morfologi yang menunjukkan adanya ikatannyang lebih kompak.,yang mengakibatkan perubahan pada perilaku retak pada beton.Hasil pengamatan menunjukkkan untuk semua variasi tebal selimut beton akan terjadi pengurangan lebar retak dibandingkan dengan suhu yang lain. Hal ini ditunjang dengan adanya bukti hasil pengukuran lebar retak maksimum terjadi pada beban yang lebih besar pada sample yang dibakar pada suhu 400 o C. Pada suhu 600 o C dst. terjadi pengurangan fasa portlandate yang mengindikasikan hilangnya sifat semen sebagai pengikat dan hilangnya kekuatan beton ditandai dengan lebar retak yang sangat besar. 
Eksperimen Dan Analisis Beban Lentur Pada Balok Beton Bertulangan Bambu Rajutan Devi Nuralinah
Rekayasa Sipil Vol 10, No 2 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.277 KB)

Abstract

Bambu dapat digunakan sebagai tulangan beton pengganti baja yang mempunyai kekuatan tarik tinggi. Dalam penelitian, dilakukan pengujian terhadap beban lentur balok bertulangan dengan variasi jumlah rajutan tulangan bambu. Penambahan tulangan bambu diharapkan dapat meningkatkan kapasitas beban lentur balok. Penelitian ini bertujuan untuk mengetahui besarnya beban lentur maksimum pada belok beton bertulang dan perbandingannya terhadap beban lentur pada balok bertulangan baja. Pengujian balok berukuran 15x25x170 cm dilakukan terhadap 10 buah benda uji dengan dua beban terpusat. Perawatan dilakukan pada umur 28 hari dengan perendaman selama 7 hari. Faktor air semen yang digunakan sebesar 0.5. Pemberian beban dilakukan dengan interval 0.5 ton sampai tercapai kuat batasnya. Hasil eksperimen dan analisis terhadap keseluruhan benda uji menunjukkan terjadinya peningkatan kapasitas beban dengan penambahan jumlah rajutan tulangan bambu. 
Studi Eksperimental Dan Numerikal Balok Laminasi Glulam Berpenampang I Pratekan Anita Wijaya
Rekayasa Sipil Vol 10, No 2 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

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Abstract

Dalam konstruksi kayu, teknologi yang sedang dikembangkan yakni balok laminasi kayu dengan gaya pratekan. Tujuan pemberian gaya pratekan untuk meningkatkan kapasitas lentur tarik pada balok kayu. Dalam studi eksperimental digunakan adalah kayu Albasia berpenampang I dan 2 buah tulangan besi polos sebagai penyalur gaya pratekan. Ada dua jenis pengujian yang dilakukan yakni uji non-destruktif dan uji destruktif. Uji non-destruktif dilakukan dengan pemberian beban statik bertahap dan getaran bebas dengan tujuan untuk mendapatkan faktor kelakuan, periode getaran, dan frekuensi alami balok. Uji destruktif bertujuan untuk mengetahui daktilitas, gaktor koreksi kekakuan, momen proporsional, dan momen maksimum. Nilai daktilitas rata-rata balok adalah 3.195. Terjadi peningkatan sebesar 10% pada beban maksimum yang dapat dipikul oleh balok setelah diberi gaya pratekan. Berdasarkan studi numerikal, kayu mengalami kelelehan saat mencapai gaya sebesar 17 kN. Dengan pemberian gaya pratekan yang semakin besar meningkatkan kuat lentur balok serta lendutan yang terjadi, selain itu ada pula peningkatan chamber pada balok kayu pratekan. 
Verification Study On Response Analysis Of Truss Bridge Compression Members Lilya Susanti
Rekayasa Sipil Vol 10, No 2 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

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Abstract

Finite element structural analysis of truss bridge model with 2-direction earthquake motion has more significant effect in decreasing the strutural capacity compared to 1-direction motion. The present paper focusses on the significancy investigation of 1-direction and 2-direction earthquake motion to the maximum stress and strain of the compression members. Finite element model of a full truss bridge system was employed. The numerical results were verified using some utimate stress and strain formulae. The result verified that the 2-direction earthquake motion has much more significant effect in decreasing the bridge capacity and the escalation of maximum stress and strain establish the non-linear lines with the ground motion magnification factor. The most severe buckling occured in the members located near the bearing support. 
Manajemen Risiko Kontrak Untuk Proyek Konstruksi Candra Yuliana
Rekayasa Sipil Vol 11, No 1 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.265 KB) | DOI: 10.21776/ub.rekayasasipil.2017.011.01.2

Abstract

Construction projects often pose a risk of adverse impact on the cost, time and quality of the project during implementation. The risks are included in the category of dominant risk can be avoided and eliminated. The study was conducted by distributing questionnaires to the expert who competence in the implementation of the project at the Department of Public Works, to determine the risks of any risk identified and the dominant influence of the project. The dominant risk has a risk value between 5 and 25. There are 34 major risks, consisting of 5 unacceptable risk and 29 unacceptable risks. There are 44 action for risk mitigation unacceptable and undesirable. 
Analisis Monitoring Pelaksanaan Pekerjaan Proyek Pasar Rakyat Bareng Kota Malang Faris Rizal Andardi; Wisnumurti Wisnumurti; Agus Suharyanto
Rekayasa Sipil Vol 11, No 1 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (829.877 KB) | DOI: 10.21776/ub.rekayasasipil.2017.011.01.7

Abstract

Curve-S, Earned Value, and Tracking. The results of the analysis using the curve method S, week 1 to 6 project acceleration took place, while at week 17, 18, and 19 projects too late. At week 20 the work is accelerated until the last week of the 22nd week, and the duration of the last project is 22 weeks. The result of analysis using Earned Value method, week 17,18,19 late, and other week happened acceleration. Cost deviations occur in weeks 1-4,6,7,15,16,17, and 18. To estimate the final cost of the total final cost, and the prediction for the total project completion time is 22 weeks. The analysis result using tracking shows that the actual duration is 158 days, and the estimated duration is 2 calendar days. The project prediction is completed on January 28, 2017. The total cost incurred is less than the final project cost plan. So the recommendation of the appropriate monitoring method for the People's Market is Tracking. 
Pemodelan Peningkatan Akurasi Estimasi Biaya Dengan Metode Structural Equation Modeling-Partial Least Square Pada Proyek Jalan Provinsi Kalimantan Tengah Christian, Yanda; Harimurti, Harimurti; Wijatmiko, Indradi
Rekayasa Sipil Vol 11, No 2 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (664.895 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.02.2

Abstract

Acceleration of national development increases the number of construction projects in Indonesia, including road projects. The contractor as the service provider in the implementation of the construction work shall have a detailed implementation schedule and project cost budget plan so that the construction work shall not be subject to delays and cost overrun. The main thing that can cause cost overrun is the error in cost estimation. In this study discusses the modeling of increasing the accuracy of cost estimation as well as the development of factors that can improve the accuracy of cost estimation. Validation of research variables was done to experts using Analytical Hierarchy Process (AHP) method and modeling using Structural Equation ModelingPartial Least Square (SEM-PLS) method to project contractor of Public Works Department of Central Kalimantan Province and National Road Implementation Center XI Unit Work of Central Kalimantan with contract value of project worth 20 Billion to 50 Billion Rupiah Year 2016. The result of variable validation shows the competence variable of estimator, survey, availability of information, calculation of cost estimation and internal company is variable which influence estimation The obtained modeling equation is AEB = 0,129 KE + 0.466 S + 0,191 KI + 0,153 PEB + 0,069 IP + 0,181 ζ. The development of cost estimation is done by improving each influential indicator in each variable and applying development strategies to increase the estimated cost estimation based on SWOT analysis. 
Kajian Kinerja Terminal Batu Ampar Kota Balikpapan Chikita, Randha Alief; Djakfar, Ludfi; Anwar, M. Ruslin
Rekayasa Sipil Vol 11, No 2 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (738.509 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.02.7

Abstract

Batu Ampar Terminal Balikpapan is the only type A passenger terminal in Balikpapan City. The purpose of this study is to determine the operational performance of the terminal at this time and also to determine the level of service in the terminal. The results of this study indicate that for FIFO queue discipline analysis on AKDP and AKAP bus lines, it is known that ρ <1 means that there is currently no queue in the terminal. For the analysis of terminal facilities it is known that there are still some terminal facilities that are not yet available from the main facilities and supporting facilities, therefore the need for additional facilities in order to meet the standard of passenger terminal type A. In the next 15 years analysis for traffic intensity value is approaching 1 which means in the future will cause the queue in the terminal, so it is necessary for the improvement of terminal performance. For the service performance with IPA method there are 35 variables that there are 7 variables that enter in quadrant I. In the next step to do analysis to know the priority of handling by using QFD method. 
Identifikasi Awal Wilayah Pengaruh KA Komuter Dengan Menggunakan Angkutan Umum Pengumpan Anita Susanti; Ria Asih Aryani Soemitro; Hitapriya Suprayitno
Rekayasa Sipil Vol 11, No 3 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (456.146 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.03.2

Abstract

The public perception that the quality of public transport service is very bad cause the number of private vehicle users is very high compared with the number of users of public transport. Therefore, an initial identification of the Commuter Train influence area by feeder is required. The goal is to know how big the area of the Commuter Train influence area viewed from the use of public transport feeder on the way to and leave the station. The method used in this initial identification is the collection of primary data by conducting interview survey of SUSI Commuter Train and the SULAM Commuter Train. Survey is conducted from two different directions in the morning departure hours only. The result of initial identification is known that the city of Surabaya has the Commuter Train influence area of SUSI Commuter Train and the SULAM Commuter Train 2 different directions in the morning departure hour by using feeder to the origin station of 9000 meters (20%) and from the destination station of 6000 meter (63.64%).

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