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All Journal Jurnal Inovasi Pendidikan JIPTEK : Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Pendidikan Teknik Bangunan Eco Rekayasa QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama Indonesian Journal Of Civil Engineering Education Astonjadro Social, Humanities, and Educational Studies (SHEs): Conference Series SCAFFOLDING: Jurnal Pendidikan Islam dan Multikulturalisme Archive: Jurnal Pengabdian Kepada Masyarakat Indonesian Journal of Environment and Disaster Jurnal Intelek Dan Cendikiawan Nusantara
Sukatiman Sukatiman
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Journal : Astonjadro

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The Redesign of the Ngadi Bridge Foundation Structure in Mojo District, Kediri Regency Aqiila Surri, Daffa; Lestari, Sri; Sukatiman, Sukatiman; Roemintoyo, Roemintoyo
ASTONJADRO Vol. 13 No. 2 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v13i2.16382

Abstract

This research aims to (1) determine the condition of the existing foundation of Ngadi Bridge, (2) design an effective and efficient bored pile for Ngadi Bridge, (3) analyze the ration of the concrete’s volume required for the existing foundation to the redesigned foundation (bored pile) of Ngadi Bridge. This research is the level 1 of Sugiyono’s Research and Development with a mixed method approach. There are two findings established in this research. First, the implementation of existing foundation on Ngadi Bridge caused vibration and noise, and too many foundations in each abutment and pillar caused the need of concrete volume to be increased until 216,14 m3. Second, the bored pile design on Ngadi Bridge for Abutment 1 uses 12 bored piles with diameter of 0,6 m and depth of 15 m. The resulting group carrying capacity is 24501,99 kN. For Abutment 2 uses 6 bored piles with diameter of 0,6 m, depth of 10 m, and the resulting group carrying capacity is 9068,82 kN. While Pillar uses 35 bored piles with diameter of 0,6 m, depth of 4 m, and the resulting group carrying capacity is 22430,43 kN. Third, the total concrete volume of bored pile needs 107,4425 m3. So that the percentage of saving the required volume of concrete is 50,29%.
Analysis of Queue Decomposition Time Due to Railway Crossing Gate Closure to Avoid Dissaster Waluyo, Waluyo; Bihtiari, Adib Mufti; Sukatiman, Sukatiman
ASTONJADRO Vol. 15 No. 1 (2026): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v15i1.22345

Abstract

This research was conducted on a segment of railway at HOS Cokroaminoto Road which aims to analyze: (1) Traffic volume; (2) Delay and queue occurred due to the at-grade railway crossings; (3) Level of service; (4) Queue decomposition time due to railway crossing gate closure. The population of this research are the traffic data at an at-grade crossing in Surakarta City and the sample of this research are at-grade crossing traffic data on HOS Cokroaminoto Road segment, in Surakarta. The sampling technique used is purposive sampling technique. The data in this research is analyzed by applying inferential analysis. The research results are as follows: (1) The average traffic volume is 577,538 PCU/hour from north to south direction and 222,025 PCU/hour from the opposite direction. (2) The average delay occurred is 219,058 seconds on the north to south direction and 227,025 seconds on the opposite direction. The average of the queue length occurring is 95,25 meters on the north to south direction and 97,048 meters on the opposite direction. (3) The level of service based on the daily traffic volume is on A level on both directions, while based on the traffic volume during the at-grade railway crossing closure is on F level. (4) The average of queue decomposition time due to the at-grade railway crossing closure is 91,0833 seconds from north to south direction and 98,325 seconds from the opposite direction.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Fattah Ruhiyat, Naufal Abdul Haris, Setiawan Abdul Wakhid Ali Munandar Adrian Adhi Putra Siwi Aisya Adhia Safita Alifta Nurillah Kosasih Anis Rahmawati Aprilia Fatmawati Aqiila Surri, Daffa Aris Budianto, Aris Aryanti Nurhidayati Bihtiari, Adib Mufti Budi Siswanto Desyandri Desyandri Diar Gusti Ekiono Edy Pratiknyo Eko Supri Murtiono Etika Adi Satria Evlyn Selina Belva Sable Sihono Faradilla, Lika Olive Poetri Faturrohman, Muhammad Aldy Fitri Dwi Astutik Fitriyah sofyani Gesang, Anugrah Gumilang Pambudi Prabowo Handoko, Yohanes Tri Hargiani, Fransisca Xaveria Hermawati, Alviana Hilda Nurlaela, Febriyanti Ida Nugroho Saputro Inayah Probowati Intan Puspita, Intan Isnantyo, Fajar Danur JAUHAN BUDIWAN, JAUHAN Krisna, Listi Murnita Kurnia Aprilliany Lingga Pracna P Lukito, Ahmad Lutfiah, Salmita Majid, Ahmad Lathuthuv Muhammad Rizqi Ganis Pareta Noviana, Melysa Parno Parno Pramudita, Aisyah Pratama, Febryan Krishna Pratama, Pandu Satria Putri Lestari, Putri Putri, Uriyani Eka Rahma Agus Mutia Rahmadhani, Madhu Bates Rahmadi, Gilang Raka Agustian Saputra Ranika Lestari Rima Sri Agustin Rizqi Karisma Rahmadian Roemintoyo Roemintoyo Rossa, Annisa Al Sakinah S.Pd. M Kes I Ketut Sudiana . Sadewi, Zakia Inti Saputro, Gandung Serly Sovia Lajuba Sidawati Prabandari Sri Lestari Sri Sumarni Syakuro, Umar Abdan Tamrin, AG Ula, Alhaura' Nabighatul Wahyudi, Muhamad Nur Azmi Waluyo Waluyo Waluyo Waluyo Widodo, Cahyo Yusuf Khasani, Yusuf Yuyun Estriyanto Zahra, Nafisah Miftachul