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Studi Perbandingan Tipe Lubang Baut pada Sambungan Baja dengan Metode Bearing Type Connection dan Slip Critical Connection Darwis, Mardis; Badia, Bahdin Ahad; Rahman, La; Rambak, Ezra Pasereng; Ibrahim, Fadel Khalifah
Portal: Jurnal Teknik Sipil Vol 16, No 2 (2024): April Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v16i2.5216

Abstract

Penelitian ini bertujuan untuk menganalisis kekuatan sambungan dengan menggunakan 4 tipe lubang yang berbeda. Adapun 4 tipe lubang sambungan (bolt holes) diantara lain Standard Hole (STD) , Short-Slotted Hole(SSL), Oversized Hole(OVS), dan Long-Slotted Hole (LSL). Analisis perhitungan sambungan menggunakan metode Load and Resistance Factor Design (LRFD) .Desain tiap sambungan menggunakan jumlah baut yang sama dengan tata letak baut seragam. Adapun baut yang digunakan berdasarkan standar SNI 1729:2015.  Dari hasil analisis kuat sambungan tipe lubang standar (Standar Hole) menunjukan tahanan terkecil kekuatan block geser sebesar 731.71 kN. Lubang oversized nilai tahanan friksi sebesar 104.89 kN, Lubang short-slotted hole sejajar arah gaya sebesar 104.89 kN , kemudian yang tegak lurus arah gaya memiliki tahanan friksi sebesar 123.4 kN. Lubang slot panjang memiliki 2 tahanan friksi yaitu yang sejajar arah gaya sebesar 74.04 kN dan tegak lurus sebesar 86.38 kN.
RESTORATION AND RECONSTRUCTION OF BUILDING AND STRUCTURES IN KRASNODAR, RUSSIAN FEDERATION: A DEEP DIVE INTO MODERNIZATION AND URBAN RENEWAL Simanjuntak, Raja Agung Hasudungan; Darwis, Mardis; Rambak, Ezra Pasereng; Rahman, La; Wardani, Ayu; Aji, Angga Asteriasti
PHENOMENON : Multidisciplinary Journal Of Sciences and Research Vol 3 No 01 (2025): PHENOMENON : Multidisciplinary Journal Of Sciences And Research
Publisher : Pusat Studi Ekonomi Publikasi Ilmiah dan Pengembangan SDM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62668/phenomenon.v3i1.1405

Abstract

This article explores the complex landscape of building reconstruction in Krasnodar, Russia, a city experiencing rapid urban development [3][6]. It examines the drivers behind reconstruction projects, focusing on the need to address both objective and subjective obsolescence in civil and industrial buildings. The machine-building complex of the Krasnodar region includes enterprises of oil and gas, railway, agricultural and food engineering. The study highlights the multifaceted goals of modern reconstruction, including enhancing living comfort, increasing residential capacity, and improving the urban environment[3]. It also delves into the challenges faced during urban reconstruction, such as managing increased loads on foundations, working within confined construction sites, and modernizing existing utilities. The article further examines the diverse repair strategies employed, emphasizing the importance of tailoring methods to specific building materials, damage extent, and site conditions. Ultimately, it underscores the need for a holistic and integrated approach to reconstruction, balancing progress and preservation to create sustainable, resilient, and aesthetically pleasing urban spaces that enhance the quality of life for Krasnodar's residents[3][4].
Analyzing The Modal Shift From Private Vehicles To Bicycles Through The Stated Preference Method: A Case Study Of Bicycle Lane Planning At Universitas Muhammadiyah Yogyakarta Wardani, Ayu; Rambak, Ezra Pasereng; Rahman, La; Badia, Bahdin Ahad; Muchlisin, Muchlisin
Sultra Civil Engineering Journal (SCiEJ) Vol 6 No 1 (2025): Sultra Civil Engineering Journal (SCiEJ)
Publisher : Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/sciej.v6i1.988

Abstract

Urban transportation systems face increasing challenges due to traffic congestion, air pollution, and the overreliance on private vehicles. Promoting a shift to more sustainable transport modes, such as bicycles, is one strategy to address these issues. This study analyzes the potential for a modal shift from private vehicles to bicycles among students at Universitas Muhammadiyah Yogyakarta. Using the Stated Preference (SP) method, data were collected through questionnaires to assess individuals' willingness to switch transport modes under various scenarios, such as improvements in cycling infrastructure, safety, and travel time. The analysis identifies key factors that influence mode choice and estimates the probability of modal shift under different policy interventions. The findings provide essential insights for urban planners and university stakeholders in developing effective bicycle lane networks and supporting facilities. The study concludes that with adequate infrastructure and supporting policies, the potential for bicycle use on campus can be significantly increased