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Pengujian Statistik Kualitas Batako Bersubstitusi Bonggol Jagung Meriana Wahyu Nugroho; Susilowati Susilowati
Buletin Profesi Insinyur Vol 6, No 1 (2023): Buletin Profesi Insinyur (Januari-Juni)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/bpi.v6i1.171

Abstract

Over-Dimension and Overloading Truck Accident Model with Structural Equation Modeling Partial Least Square Ismatud Dianah Amir; Meriana Wahyu Nugroho; Tri Rijanto; Sumarsono Sumarsono
Buletin Profesi Insinyur Vol 5, No 2 (2022): Buletin Profesi Insinyur (Juli-Desember)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/bpi.v5i2.172

Abstract

Road accidents are an unavoidable problem, especially accidents caused by Over-dimension and Overloading trucks. This study involved environmental factors, driver factors, vehicle factors, and road factors which had previously been analyzed using the multinomial logistic regression method with questionnaire data of 194 respondents and resulted in 6 indicators including road surface conditions, traffic flow volume, accident history, vehicle load, vehicle dimension, and speed limit signs. The purpose of this study was to find out relationship between latent variables using the Structural Equation Modeling Partial Least Square (SEM PLS) method to obtain a model of the factors causing Over-dimension and Overloading truck accidents. The model results obtained indicate that weather conditions, road surface conditions, lighting condition, certified training, driver's physical condition, vehicle type, vehicle dimension, vehicle load, road geometry, accident location, traffic facilities, as well as vehicle dimension, and speed limit signs were the variables that had the greatest influence.The model obtained was good and fit (fit model) based on theĀ  R2 and Chi-Square values of 65.7% and 76.3%, respectively.Keywords: Over-dimension and Overloading Trucks; Road Accidents; SEM PLS; Factors Causing Accidents
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.