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Journal : civil engineering collaboration

Analisisa Persepsi Pengguna Jalan terhadap Dampak Positif dan Negatif Tidak Adanya Median Jalan Meri Sufina; Nadra Arsyad; Muhammad Hafidz
Civil Engineering Collaboration Vol. 5 (2020) No. 2
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jcivil.v5i2.11

Abstract

Roads are the most common land transportation infrastructure used by the community to carry out daily mobility compared to water and air transportation, so that the volume of vehicles passing through these roads must be able to be supported by pavement on the roads they pass. Median is a path that is located in the middle of the road to divide the road in each direction. The median and its limits must be visible to every driver's eyes both during the day and night and all weather and conditions so that no accident occurs. The purpose of this study was to determine how perceptions of road users on the positive and negative impacts of the absence of a road median on the Sudirman road section. The results of this research can be done by conducting a field survey of road users. After that, the questionnaire was distributed with the number of respondents from the average results for a week of 50 respondents. So that it is obtained from the SPSS statistics. From the research results the validity test of the median variable of road and traffic accidents is declared "Valid". While the results of the reliability test produce a value for the median level of the road 0.883 or categorized as "Good" and the level of traffic accident 0.769 or categorized as "Acceptable"
Standar Pemasangan Rangka Atap Baja Ringan Kharisma Permata Sari; Nadra Arsyad
Civil Engineering Collaboration Vol. 5 (2020) No. 2
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jcivil.v5i2.13

Abstract

Penggunaan baja ringan kini telah menjadi sebuah tren tersendiri. Banyak produsen baja ringan yang tersedia. Namun terkadang akibat banyaknya produsen baja ringan, persaingan di pasar tidak seimbang. Misalnya, beberapa produsen yang menyediakan baja ringan dengan harga yang lebih murah, namun mutu bajanya dikurangi. Penyimpangan yang terjadi di industri baja ringan tidak sedikit mengakibatkan runtuhnya konstruksi yang menggunakan baja ringan. Kegagalan tersebut disebabkan oleh kegagalan sambungan, kegagalan elemen, dan kesalahan pengerjaan. Salah satu penyebab terjadinya kegagalan tersebut adalah karena belum adanya standar maupun prosedur khusus untuk baja ringan di Indonesia.
Analysis of Train Load Distribution on Concrete Sleepers on the Padang–Lubuk Buaya Rail Line Nadra Arsyad; Afrilda Sari; Lili Leylani; Utami Dewi Arman; Letri Karmila
Civil Engineering Collaboration Vol. 11 (2026) No. 1
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jcivil.v11i1.90

Abstract

The increasing operational speed and axle load of railway transportation require railway track structures capable of distributing loads safely and efficiently. Concrete sleepers play a crucial role in transferring loads from the rails to the ballast while maintaining track stability. This study aims to analyze the distribution of dynamic loads acting on concrete sleepers due to train movement and to evaluate the structural response of the railway track using the Beam on Elastic Foundation (BoEF) approach. The research employed a quantitative analytical method using secondary data obtained from railway technical standards, locomotive specifications, and track geometric parameters in accordance with the Indonesian Ministry of Transportation Regulation No. 60 of 2012. Dynamic loading was determined using the Talbot dynamic factor, followed by calculations of rail deflection, maximum bending moment, shear force, and load distribution to the sleepers based on the Winkler elastic foundation model. The results indicate that train speed significantly influences the magnitude of dynamic loads transmitted through the rail structure. Under the analyzed operating conditions, the calculated dynamic wheel load reached 11.77 kN, while the distributed load acting on the concrete sleeper was approximately 6.44 tons. The analysis demonstrates that the concrete sleeper is capable of distributing loads effectively and maintaining structural stability within the design parameters. These findings provide valuable information for railway track planning, maintenance, and evaluation to improve the safety, durability, and performance of railway infrastructure.