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All Journal Jurnal Teknik ITS IPTEK The Journal of Engineering IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Journal of Civil Engineering Jurnal Teknik Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Aplikasi Teknik Sipil Jurnal Transportasi: Sistem, Material, dan Infrastruktur Community Engagement and Emergence Journal (CEEJ) Journal of Infrastructure and Facility Asset Management Jurnal Teknologi dan Manajemen Industri Terapan Journal Research of Social Science, Economics, and Management Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam Jurnal Penelitian Transportasi Darat Warta Ardhia: Jurnal Transportasi

Ahyudanari, Ervina

Civil Engineering Department, Institut Teknologi Sepuluh Nopember

Author-ID : 797844

Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation

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Strategy Selection of Property Business in Transit Oriented Development Area (Case Study PT. XYZ) Sulaksmono, Haris; Ahyudanari, Ervina; Maâ€™ruf, Buana
IPTEK Journal of Proceedings Series No 5 (2019): The 1st International Conference on Business and Management of Technology (IConBMT)
Publisher : Institut Teknologi Sepuluh Nopember

The property business in 2018 did experience a downward trend because of the high backlog caused by oversupply. But the prospect of the property business in 2019 is quite promising and is believed to continue to prosper. The research base is a case study at PT XYZ, one of the subsidiaries of BUMN Construction Services which is engaged in the development of the property of the Transit Oriented Development (TOD) area of the Light Rail Transit (LRT) in Jakarta. This study aims to obtain a superior strategy in the competition of the property business in the TOD region which makes added value for PT XYZ so that it can compete with other developers. The company's strategy for PT XYZ was formulated using David's strategy formulation framework, which consisted of input stages, matching stages and decision stages. The Analytical Hierarchy Process (AHP) is used to determine the weight of internal and external strategic factors and Quantitative Strategic Planning Matrix (QSPM) to determine alternative chosen strategies. Based on the results of the QSPM assessment of PT XYZ, founded the construction and pre cast concrete division strategy gets a Total Attractive Score (TAS) of 5.60, higher than PT XYZ cooperates with top property marketing companies for 3 years strategy that gets a score of 4.12

Analysis of Air Traffic Density using GIS, Case Study: Jakarta-Surabaya Sekartadji, Ratih; Ahyudanari, Ervina; Jaelani, Lalu Muhamad
IPTEK Journal of Proceedings Series No 6 (2017): The 3rd International Conference on Civil Engineering Research (ICCER) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i6.3288

The growth of air transportation is encouraged by high demand to travel fast. Jakarta-Surabaya route is placed as the fourth busiest traffic in the world. This busy route still possible to increase, unless there is an alternative mode of transport to serve the demand of this route. Aircraft flies at a certain flight level that is influenced by the flight distance and the type of aircraft. Jakarta-Surabaya route is served by aircrafts with different types. This means that some flight levels between Jakarta and Surabaya are occupied by these serving aircrafts. On the other hand, at the same flight level, there will be some other planes for other routes. This research attempts to picture the density of the flight level of Jakarta-Surabaya route. The density value will be useful to predict the air quality and the available air space to add the flight frequencies. Data collection of Jakarta-Surabaya flights was aimed to identify the occupied flight level by this route. For other routes that may be crossed or in line with the Jakarta-Surabaya route, are derived from International Civil Aviation (ICAO) Charts. Incorporating the route volume resulting the traffic derivation from the charts and scheduled flight into the network attribute of GIS. Data histories of the flight density from ICAO Charts are used to predict the future density utilizing the GIS. The horizon year for this research is year 2030 where some airports will be improved into higher level airport groups, according to PM No. 69 year 2013.

Optimization Telecommunications Infrastructure Projects for University Area Supriyanto, Supriyanto; Ahyudanari, Ervina; Samopa, Febriliyan
IPTEK Journal of Proceedings Series No 3 (2020): International Conference on Management of Technology, Innovation, and Project (MOTIP) 2
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i3.11215

In 2018-2019, utilization of data-based telecommunication was increased 82%. Signal measurement in Universitas Airlangga Surabaya is still low coverage because the distance between telecommunication towers and buildings. Surabaya City Government regulates the control of telecommunication towers including tower height, land, aesthetic, and tower sharing. One approach to solve this problem involves the use of concept Outdoor Distributed Antenna System (ODAS) or known as Base Transceiver Station Hotel (BTSH) which is support Microcell Pole (MCP), fiber-optic cable transmission, with configuration A Multiple-Carrier Multiple-Technology (MCMT). The tower provider company needs Optimal Hotel BTS design with measurement methods like Signal Strength, Signal Quality, and Point of Interest (POI). Planning a project schedule and project cost is using Critical Path Method (CPM) and Analytical Hierarchy Process (AHP) for further consideration regarding some criteria like revenue, cost, and technical. This analysis found that the most optimal calculation based on criteria weight is alternative project-1, by build a BTS Hotel in campus C, an 8 MCP tower, MCP fiber-optic cable with length Â± 2418 m, and connecting campus A, B, C with length Â± 8818 m, then project duration in 137 days with cost estimation IDR 7.8 billion.

Oil Prices Sensitivity to The Power Supply Procurement Project at PT PEP Sukowati Pangestu, M. Agus; Utomo, Christiono; Ahyudanari, Ervina
IPTEK Journal of Proceedings Series No 3 (2020): International Conference on Management of Technology, Innovation, and Project (MOTIP) 2
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i3.11207

This study intends to determine the sensitivity of changes in oil prices to investment in power supply projects from the financial aspect. The investment analysis conducted is an evaluation of Net Present Value (NPV) using the production sharing contract (PSC) model with a profit sharing system. Based on the analysis conducted, the sensitivity of changes in oil prices has a very significant effect on the project NPV. Changes in oil prices by 60% from the base case to US $ 80 caused NPV to rise by 183%. But on the contrary if the price of oil touches the figure of US $ 20 or -60% from the base case, it will make the NPV negative, so the project is not economical to proceed. In addition, it know that the acceptance limit of investment in power supply projects is at oil prices greater than US $ 34 per barrel. This significant change in both the decline and increase in oil prices to the NPV is very logical because oil prices determine the amount of revenue earned from this project.

Karakteristik Marshall pada Campuran Aspal Dingin dengan Asbuton Akibat Dari Penggunaan Aditif Wetfix-BE I Gede Mardawa; Ervina Ahyudanari; Suryawan Murtiadi
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 6 No. 1 (2020): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v6i1.149

West Nusa Tenggara Province consists of two main islands namely Lombok and Sumbawa. Regency Roads on Lombok Island, especially rural roads, has been severely damaged due to lack of routine maintenance. The types of damage that occur are cracks, small holes, and even large pools that endanger road users. This study aims to obtain a mixture of new materials in order to obtain an easy and fast repair method without reducing the quality during its intended life. In the meantime, repairing with CAD (cold asphalt mixture) requires curing time of 3x24 hours to achieve standard material quality with Marshall Characteristics according to the 2010 Bina Marga Specifications. This study combines CAD using BP (rejuvenating agent) and Wetfix-BE additive to get optimal results without curing process. The BP used is asphalt mixture, kerosene, and bunker oil stirred in a mixing machine into one unit. The results showed the optimum concentration of this mixture was 0.3% wet-be additive, 4.50% BP in CAD with asbuton proportion of 25%. In the fatigue test with a cyclic loading of 100 kPa, the pavement mixture is able to resist a fully loaded truck of 7731 times. In conclusion, this mixture combination is able to speed up the asphalt binding time by making briquettes according to the 2018 Highways Specifications without going through the long curing process.

Analysis of Creep Test Mixture of Asphalt Concrete Using Flyash for Runway Anwar Efendy; Ervina Ahyudanari
Jurnal Teknik ITS Vol 8, No 2 (2019)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

There are some factors that cause deformation on the runway, such as the pressure of repeated loads caused by large queues of aircraft. The aggregate available in nature has begun to decrease in amount caused considering that infrastructure development in Indonesia continues to increase. Therefore, new material innovations are needed to overcome this, such as the use of flyash as an artificial aggregate of geopolymers in concrete asphalt mixtures. This research was carried out in some tests including Marshall testing which intended to determine the characteristics of artificial aggregate pavement mixtures, using open gradations with specification BBA. Then testing the resistance to deformation (Creep) on the artificial aggregate gradation pavement mixture using the UTM30 Dynapave. Based on the characteristics of the Marshall test the optimum bitumen content value was obtained, with open gradations has OBC value is 6.10%. Results of Creep test (deformation) with load 400 kPa obtained, strain value is 93520 μƐ and stiffness value is 3,998 MPa (sample collapse at cycle 1559 times). It can be concluded that the pavement mixture with open graded artificial aggregate (BBA) has not able to survive deformation.

Analysis the Use of Artificial Aggregates As a Substitute of Coarse Agreggates for Surface of Flexible Pavement Mirza Al Mahbubi; Ervina Ahyudanari
Jurnal Teknik ITS Vol 8, No 2 (2019)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

The quality of flexible pavement construction is strongly influenced by the composition of the material used, including the type of aggregate, and asphalt. Aggregates are generally defined as hard and dense earth shell formation. The mechanical properties of the asphalt mixture are strongly influenced by the fraction and aggregate properties, because the aggregate fills the majority of the asphalt mixture volume (more than 80%) and mass (about 95%). Aggregates have various forms and textures including round and cube shapes. At present, infrastructure development in Indonesia continues to increase the amount of natural aggregate usage, so this will cause the availability of materials to continue to thin out. For this reason, an effort needs to be made to find an alternative to the use of natural aggregate, one of which is the utilization of waste generated by the steam power plant (PLTU), namely fly ash. In this study the artificial aggregate was varied in spherical (AB) form from processed granulaor and angular (ABSC) from processed stone crusher. The results obtained in each variation provide a value that meets the specifications. The full use of artificial aggregates of 25% AB 75% ABSC on dense gradations provides stability of 1258.13 kg. In this study, the use of artificial aggregates can be used as an alternative as an aggregate substitute for nature. In addition to improving mixed quality, the use of artificial aggregates can be an alternative use of waste.

Evaluasi Kekuatan Perkerasan Sisi Udara (Runway,Taxiway,Apron) Bandara Juanda Dengan Metode Perbandingan ACN-PCN R. Haryo Triharso Seno; Ervina Ahyudanari
Jurnal Teknik ITS Vol 4, No 1 (2015)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Fasilitas sisi udara merupakan fasilitas pergerakan pesawat. Fasilitas ini harus memenuhi kekuatan struktur untuk melayani pergerakan pesawat-pesawat yang beroperasi sesuai dengan perencanaan. Tujuan dari penyusunan makalah ini adalah untuk menganalisis apakah perkerasan fasilitas sisi udara di Bandar Udara Juanda saat ini sudah memenuhi batas PCN yang dipersyaratkan atau belum. Analisis dilakukan dengan cara mengevaluasi kekuatan perkerasan runway, taxiway, dan apron eksisting menggunakan metode perbandingan PCN–ACN yang didapat dari pabrik pembuat pesawat, perhitungan dengan software COMFAA dan perhitungan dari Canadian Department of Transportation. Data yang digunakan adalah data pergerakan pesawat termasuk jumlah pergerakan tahunan dan tipe pesawat. Data kekuatan perkerasan sisi udara diperlukan untuk proses analisis. Hasil dari evaluasi menunjukkan B773 memiliki nilai ACN yang melebihi nilai PCN sebesar 50% untuk apron dan 25% untuk runway/taxiway. Besar kelebihan nilai ACN ini tidak mempengaruhi kekuatan struktural karena frekuensi pergerakan yang hanya 45 pergerakan per tahun. Dampak lain adalah pada fungsional perkerasan yang menunjukkan berkurangnya kekesatan runway dari hasil sand patch test.

Simulasi Perencanaan Ruang Henti Khusus Pada Simpang Bersinyal Jalan Dr.Ir.H. Soekarno-Jalan Kertajaya Indah Surabaya Ditinjau Dari Nilai Tundaan Youngky Riantara Putra; Ervina Ahyudanari
Jurnal Teknik ITS Vol 5, No 1 (2016)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Abstrak - Salah satu upaya yang telah dikaji dalammengatasi masalah kemacetan di kota-kota besar di Indonesia adalah dengan penerapan Ruang Henti Khusus (RHK) untuk sepeda motor pada persimpangan bersinyal. Surabaya merupakan kota kedua terbesar di Indonesia yang sering mengalami kemacetan terutama pada persimpangan bersinyal. Oleh karena itu perlu dicari kinerja dari persimpangan bersinyal pada lokasi studi yang ditentukan baik sebelum maupun sesudah diterapkan RHK. Tugas Akhir ini melakukan analisis kinerja RHK pada simpang bersinyal Jalan Dr. Ir. H. Soekarno – Jalan Kertajaya Indah ditinjau dari nilai tundaan. Adapun metode yang digunakan menggunakan proses simulasi yang terdiri dari simulasi kedatangan, simulasi antrian, dan simulasi pelepasan. Parameter yang digunakan menggunakan acuan waktu, dimana hasil dari sebelum dan sesudah diterapkan RHK dibandingkan dengan pola grafik yang mengacu pada nilai durasi lepas dan durasi tunggu. Makin besar nilai dua durasi tersebut maka makin besar nilai tundaan yang terjadi pada antrian kendaraan. Hasil yang diperoleh untuk dimensi dan tipe RHK yang diterapkan pada lokasi studi adalah RHK tipe kotak dengan panjang 12 meter. Hasil kinerja yang diperoleh muncul tiga kondisi yang mana kondisi ini menggambarkan pola grafik yang berbeda tergantung dari perubahan komposisi antrian akibat adanya penerapan RHK. Simulasi Perencanaan Ruang Henti Khusus Pada Simpang Bersinyal Jalan Dr.Ir.H. Soekarno-Jalan Kertajaya Indah Surabaya Ditinjau Dari Nilai Tundaan Youngky Riantara Putra danErvina Ahyudanari Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Institut Teknologi Sepuluh Nopember (ITS) Jl. Arief Rahman Hakim, Surabaya 60111 Indonesia e-mail: ervina@ce.its.ac.id Abstrak-Salah satu upaya yang telah dikaji dalammengatasi masalah kemacetan di kota-kota besar di Indonesia adalah dengan penerapan Ruang Henti Khusus (RHK) untuk sepeda motor pada persimpangan bersinyal. Surabaya merupakan kota kedua terbesar di Indonesia yang sering mengalami kemacetan terutama pada persimpangan bersinyal. Oleh karena itu perlu dicari kinerja dari persimpangan bersinyal pada lokasi studi yang ditentukan baik sebelum maupun sesudah diterapkan RHK. Tugas Akhir ini melakukan analisis kinerja RHK pada simpang bersinyal Jalan Dr. Ir. H. Soekarno – Jalan Kertajaya Indah ditinjau dari nilai tundaan. Adapun metode yang digunakan menggunakan proses simulasi yang terdiri dari simulasi kedatangan, simulasi antrian, dan simulasi pelepasan. Parameter yang digunakan menggunakan acuan waktu, dimana hasil dari sebelum dan sesudah diterapkan RHK dibandingkan dengan pola grafik yang mengacu pada nilai durasi lepas dan durasi tunggu. Makin besar nilai dua durasi tersebut maka makin besar nilai tundaan yang terjadi pada antrian kendaraan. Hasil yang diperoleh untuk dimensi dan tipe RHK yang diterapkan pada lokasi studi adalah RHK tipe kotak dengan panjang 12 meter. Hasil kinerja yang diperoleh muncul tiga kondisi yang mana kondisi ini menggambarkan pola grafik yang berbeda tergantung dari perubahan komposisi antrian akibat adanya penerapan RHK.

Evaluasi Kinerja Gate Assignment pada Terminal 1 Keberangkatan Domestik Bandar Udara Internasional Juanda Surabaya Hersanti Rahayu; Ervina Ahyudanari
Jurnal Teknik ITS Vol 5, No 1 (2016)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Gate sebagai pintu yang digunakan untuk proses pergerakan penumpang keluar dari ruang tunggu di terminal menuju ke bis ataupun langsung menuju ke pesawat memiliki pengaruh yang besar terhadap proses pemindahan penumpang dari terminal menuju ke sisi udara bandara. Untuk itu, pengaturan gate (gate assignment) sangat penting untuk mengoptimalkan waktu pemakaian gate yang dibutuhkan sejak pesawat mendarat hingga clearing aircraft untuk keberangkatan pesawat berikutnya. Beberapa kasus keterlambatan penerbangan yang terjadi juga bisa jadi disebabkan oleh gate assignment yang kurang optimal, sehingga pesawat harus mengantri untuk lepas landas atau untuk parkir di apron setelah mendarat. Untuk mengetahui apakah pengaturan penggunaan gate mempengaruhi keterlambatan yang terjadi saat ini, dilakukan studi untuk mengevaluasi kinerja gate assignment di Terminal 1 Bandara Internasional Juanda. Evaluasi dilakukan dengan cara pengumpulan data penggunaan gate, lama waktu penggunaan gate, pemetaan dan analisis perbandingan waktu aktual dan yang tertulis pada jadwal penerbangan. Dari hasil evaluasi yang telah dilakukan didapatkan hasil bahwa dari 111 turnaround flight hanya sekitar 28% diantaranya yang dapat melakukan pelayanan ground handling secara on time. Sehingga dapat disimpulkan bahwa jumlah gate yang ada saat ini yaitu 12 gate belum memenuhi kebutuhan pergerakan pesawat yang beroperasi terutama pada peak hour.

Co-Authors Abda Abda Abdallh. A. A. Lhwaint Abrahem A Ali blash Adhyaksa Adha Rahman Aditiya Rendra Riawan Aditiya Rendra Riawan Aditya Sutantio Aftoni Alvin Fahmi Agustina Dwi Retnaningtias Akbar Bayu Kresno Suharso Akhmad Ittang Anwarsyah Alifah Widya Rochmah Amani, Farrell Zata Andree Noviar Pradana Anwar Efendy Artin Finalita Ary Wahyudi Askia esa Aulia Baskara, Gusti Made Bagus Budi Rahardjo Caristyan, Griselda Amadhea Catharina Tiffani Wulandari Christiono Utomo Deanty Putri Maritsa Dian Ayu Wicahyani Dimas Bagus Satriyo Wibowo Dimita Brilian Zahra Doddy Arief Wibowo Edi Supriyono Eriza Islakul Ulmi Faisal Esa Arighi Fajrin Ramadhani Febriliyan Samopa Fitria Putri Luthfiyani Freedy Kristiawan Garin Yacub Gumbiratno Widiatmoko Gunawan Kunto Bhasworo Halim Prasetyo Hutomo Hariyadi, Hariyadi Hendra Annisa Putri Lintang Hestuningrum Hendra Annisa Putri Lintang Hestuningrum Hendrawan Setyo Warsito Hera Widyastuti Hersanti Rahayu Hidayatul Amri Hitapriya Suprayitno, Hitapriya Hutapea, Sean Ivander Sahata I Gede Mardawa I Nyoman Arya Thanaya I Putu Artama Wiguna Ida Bagus Barawakya Iik Radevi Burhamsi Putri Ilham Siara Indra Denny Priatna Indrasurya B. Mochtar Istiar Istiar Istiar Jaballah, Danish Inayat Jaelani, Lalu Muhamad Jannatul Arif Januarti Jaya Ekaputri Karmini Karmini Karyawan, I Dewa Made Alit Kevin Andrea Larri, Rossan Fadel Lilla Anjani Birahmatika Lilla Anjani Birahmatika Maâ€™ruf, Buana Maulina Indah Harvianti Maulina Indah Harvianti Mirza Al Mahbubi Mohmed Alshekh A. M. Hmade Muhammad Akbaryan Anandito Muhammad Galih Muhammad Irfan Ardiansyah Muhammad Nursalim Muhammad Rezky Ridwan Muhammad Yuanto Permana Muhtadi, Adhi Nafilah el Hafizah Nur Iriawan Nursakti Adhi Pratomoadmojo Ofel Simon Pangestu, M. Agus Prastyanto, Catur Arif R. Haryo Triharso Seno Raihan Akbar Ghifari Rita Ambarwati Rizky Fitri Amalia Istighfaroh Rohmatul Maghfiroh Rosman Hidayatulloh Rungkat, Jersey Jehezkiel Elison Ruffi Salsabila, Dhea Lutfiyah Sekartadji, Ratih Shoffan Abdi Tunggal Stefanus Stefanus Sulaksmono, Haris Sulhan Sulhan Supriyanto, Supriyanto Suryawan Murtiadi, Suryawan Syarif, Iif Ahmad Taftazani Hakim Udyani Salma Widyaswari Viorentika Vigrid Yuniar Diergan Putri Viorentika Vigrid Yuniar Dirgan Putri Wahyu Herijanto Wajdino Arfa Rajawidad Wasono, Sapto Budi Widhi Utomo Megantoro Widodo, Alvian Wahyu William Bunkharisma Windy Ariesna Wardhani Wiryanta, Wiryanta Youngky Riantara Putra

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