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Titin Sundari
Universitas Hasyim Asy'ari Tebuireng Jombang
Religion Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Social Sciences Transportation Other

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PENINGKATAN JALAN MENGGUNAKAN PERKERASAN KAKU (RIGID PAVEMENT) PADA RUAS JALAN NGLAJER BERBEK KABUPATEN NGANJUK Heri Prawoto; Meriana Wahyu Nugroho; Titin Sundari; Rahma Ramadhani
Media Konstruksi : Jurnal Ilmiah Teknik Sipil Vol 8, No 3 (2023)
Publisher : PRODI D3 TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jmk.v8i3.43117

Abstract

Rencana teknis pengamanan badan jalan yang dirancang untuk meningkatkan keamanan dan kelancaran lalu lintas jalan di Kabupaten Nganjuk. Melalui identifikasi potensi risiko dan masalah di badan jalan tikungan berbahaya, daerah rawan kecelakaan, atau kelainan geometri lainnya. Tujuan dari penelitian adalah mengetahui tebal perkerasan kaku (rigid pavement) yang dihasilkan oleh Metode AASHTO (1993) dan menentukan hasil perhitungan mencapai tebal perkerasan yang efisien dan ekonomis. Metode nya adalah AASHTO tahun 1993. Hasil dari penelitian adalah perkerasan kaku, tebalnya 32 cm, selain itu, terdapat lapisan lain dalam perkerasan yaitu lean concrete dengan tebal 15 cm, serta base A dengan tebal 15 cm. Metode perencanaan perkerasan AASHTO menunjukkan tebal pelat perkerasan akan meningkat seiring dengan pertumbuhan lalu lintas ekivalen pada masa pakai rencana tersebut. Namun, tebal pelat berkurang jika volume lalu lintas ekivalen menurun. Metode AASHTO 1993 dapat digunakan dalam perencanaan perkerasan jalan di Indonesia karena perhitungannya sudah sesuai atau mendekati kondisi di Indonesia.
Effect of Corrosion on Steel Strength (ST. 37) Sundari, Titin; Mutrofin, Akmam; Ramadhani, Rahma; Khiyana, A'izzatul; Yulianto, Totok; Nugroho, Meriana Wahyu
ASTONJADRO Vol. 13 No. 3 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v13i3.16577

Abstract

Rust on steel is often a problem in construction work. Rust occurs when iron oxidizes. The cause is prolonged exposure to water, air, or an acidic environment. Iron will bind oxygen atoms in the air to form iron oxide/rust. Rust continues to increase, accelerating the process of damage to buildings. Rust cannot be avoided, but it can control its rate. St.37 carbon steel is the most widely used material for various types of building construction. Therefore, it is necessary to carry out experimental tests regarding the rate of corrosion and its effect on the strength of steel. In this research, using St.37 steel plates, the corrosion process was carried out by leaving the specimens in an open space, immersing the specimens in sea water, and immersing the specimens in fresh water for 15 days. The aim of this research is to analyze the corrosion rate and its effect on the strength of St.37 carbon steel material. Based on the research results, the average corrosion rate of test plates in open spaces was 0 MPy with an extraordinary resistance category; soaked in sea water 14.76 MPy with good category; and soaked in fresh water 39.37 MPy with the fair category. Meanwhile, based on the tensile test results, the average strength was 560.8 MPa for objects, 510.4 MPa, and 492.8 MPa, respectively. This corrosion rate affects the strength of the steel, the greater the corrosion rate, the tensile strength of the steel plate decreases.
Co-Authors A'izzatul Khiyana abdiyah amudi Abdiyah Amudi, Abdiyah Agoes Soehardjono Agus Wiyono Anita Anjani Diah Palupi, Budi Rahayu Heri Prawoto mahbub abrori Mutrofin, Akmam Nugroho, Meriana Wahyu Pranayudha, Agusti Samsu Pranayudha Rahardjo, Fadjar Wahyu Rahma Ramadhani Syawaluddin Efendi Lubis Totok Yulianto Totok Yulianto Totok Yulianto Veithzal Rivai Zainal Wisnumurti .