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All Journal Jurnal Aplikasi Teknik Sipil JURNAL POLI-TEKNOLOGI
Nur Hakim
Institut Teknologi Indonesia
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Analisis Kekuatan dan Stabilitas Tanah Lempung Organik Artifisial Untuk Perencanaan Jalan dengan Beban Lalu Lintas Tinggi Verdy Ananda Upa; Nur Hakim
Jurnal Aplikasi Teknik Sipil Vol 17, No 2 (2019)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.104 KB) | DOI: 10.12962/j2579-891X.v17i2.4985

Abstract

Tanah lempung organik merupakan salah satu jenis tanah lempung yang memiliki daya dukung rendah dan potensi pengembangan (swelling) yang besar. Kandungan bahan organik yang melewati batas maksimum akan mereduksi kekuatan dan stabilitas dari proses stabilisasinya. Tujuan penelitian ini untuk mengetahui pengaruh penggunaan abu vulkanik Gunung Kelud dan semen Portland terhadap kekuatan dan stabilitas tanah lempung organik artifisial serta tebal perkerasan rencana yang digunakan. Metode penelitian ini dibagi menjadi 2 tahapan yaitu tahap pra-stabilisasi dan tahap stabilisasi. Pada tahap pra-stabilisasi, tanah lempung organik dicampur dengan masing-masing 3 variasi kadar abu vulkanik, kemudian dilakukan pemeraman selama 3 hari. Selanjutnya, pada tahap stabilisasi, tanah hasil campuran tersebut ditambahkan masing-masing 5% semen Portland, lalu kembali diperam selama 3 hari. Kadar air optimum mengalami penurunan dari 33,696% menjadi 29,586%, berat volume kering mengalami peningkatan dari 1,319% menjadi 1,351%, CBR rendaman mengalami peningkatan dari 2,87% menjadi 9,77%, dan potensi pengembangan mengalami penurunan dari 2,36% menjadi 0,45%.
Trip Attraction Model at Elementary Schools in Suradita Valley Cisauk District Tangerang Municipal 2022 Safira Sulisiani; Verdy Ananda Upa; Nur Hakim
Jurnal Poli-Teknologi Vol. 23 No. 1 (2024)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v23i1.6504

Abstract

Activity in schools area located in the Suradita Village area has the potential to cause traffic congestion because the schools start time coincides with the rush hour for work. This is due to the fact that the schools do not have a designated area for dropping off passengers, which forces vehicles transporting students to stop or park on the road, reducing the road’s capacity. The purpose of this research to determine trip attraction model, totals of trip attraction, factors that influence of trip attraction, and trip rate on SDN Rahayu, SDN Suradita, MIS Nurul Falah area. The research method used is interview to students, teachers, and staffs about trip data, also secondary data collection were amount of students, teachers, and staffs, land area, floor space, amount of classrooms, parking area of SDN Rahayu, SDN Suradita, MIS Nurul Falah area. Data that has been collected then analyzed with multiple linear regression method used SPSS 25.0 application with significant level 95%. Trip attraction model of SDN Rahayu, Suradita, and MIS Nurul Falah can be attained YSMDS = 0,998 + 0,199 JS + 0,067 JGK – 0,071 JRK with R2 (R square) = 0,636. Total of trip attraction that is generated by SDN Rahayu, SDN Suradita, MIS Nurul Falah area = 463 trip attraction/day. Based on t Test with significant level <0,05, therefore an influential factors are amount of students, teachers, and staffs, also amount of classrooms. Trip rate of SDN Rahayu, SDN Suradita, and MIS Nurul Falah = 0,9 people/m2 or 9 people/100m2.
Co-Authors Safira Sulisiani Verdy Ananda Upa