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All Journal Jurnal Rekayasa Teknika Sains : Jurnal Ilmu Teknik Proceeding Applied Business and Engineering Conference
Emmi Desniati
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Religion Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Analisis Kinerja Ruas Jalan dan Biaya Perjalanan akibat Tundaan pada Ruas Jalan (Studi Kasus Jl. Pangeran Antasari, Bandar Lampung) Emmi Desniati; Rahayu Sulistyorini; Ika Kustiani
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 23, No 2 (2019): Edisi Agustus 2019
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Pangeran Antasari Street plays an important role in serving and passing large number of traf - fics. The traffics, coupled with roadside barriers, cause delays in travel time. The purpose of this study is to analyze the performance of roads that is the level of service as well as the increase in travel costs due to delays. The assessment of the performance of the road section was carried out based on free flow traffics, which is the condition of the traffic flow without experi - encing delays and roadside obstacles. Performance values were obtained through a linear approach between the volume and speed of the vehicle using the Greenshield Model. Calculation of Vehicle Operating Costs (Biaya Operasional Kendaraan or BOK) of light vehicles and heavy vehicles were using a model developed by the Indonesian Research Affiliation Institute of the Bandung Institute of Technology (Lembaga Afiliasi Penelitian Indonesia Institut Teknologi Bandung or LAPI - ITB). Whereas the motorcycle BOK were useing the Road Traffic Services (Di - nas Lalu Lintas Angkutan Jalan or DLLAJ) method. The value of travel time was calculated based on the approach using the data of the City of Bandar Lampung's per capita income di - vided by the average number of working hours per year. The results showed that the service level of the Pangeran Antasari road segment was V / C > 0.8. This means that the road has a service level of D, which is near congested. The cost of congestion caused by traffic delays for the direction of Pangeran Antasari - Gajah Mada is Rp. 625.863.840/year, while for the direc - tion of Gajah Mada - Antasari is Rp. 845.009.609/year.
Studi Perbandingan Pola Parkir Bersudut di Gedung Kuliah Bersama Politeknik Negeri Lampung Desniati, Emmi; Agustina, Resti; Ariyanti, Titi
TEKNIKA SAINS Vol 9, No 1 (2024): TEKNIKA SAINS
Publisher : Universitas Sang Bumi Ruwa Jurai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24967/teksis.v9i1.2847

Abstract

Dalam upaya menyambut revolusi industri 4.0 Politeknik Negeri Lampung sebagai salah satu perguruan tinggi vokasi memiliki langkah strategis yaitu dengan membuka beberapa program studi baru guna meningkatkan kualitas pendidikan. Membuka program studi baru artinya perlu penambahan berbagai fasilitas pendukung. Gedung Kuliah Bersama (GKB) mulai dibangun pada tahun 2022 dan telah beroperasi sejak tahun 2023. Pengaturan tata letak ruang parkir yang efektif dan teratur menjadi salah satu aspek penting demi kenyamanan semua pengguna gedung. Tujuan dari penelitian ini adalah untuk melakukan perbandingan pola parkir bersudut yang paling efektif diterapkan di area parkir gedung. Pola parkir yang dibandingkan dalam penelitian ini adalah pola parkir sudut 30°, 45°, dan 90°. Metode yang dilakukan yaitu dengan melakukan pengukuran luasan lokasi area parkir serta menghitung jumlah kapasitas GKB sehingga didapat Satuan Ruang Parkir yang diperlukan. Setelah itu membandingkan jumlah SRP yang dibutuhkan jika menerapkan masing-masing pola parkir bersudut. Dari hasil analisis didapat hasil bahwa pola parkir bersudut 90° merupakan pola parkir yang paling efektif diterapkan untuk area parkir GKB yaitu 803 SRP merupakan jumlah yang paling mendekati jumlah SRP yang diperlukan untuk seluruh pengguna GKB dalam keadaan jam kuliah efektif dan kehadiran 100 persen yaitu 1351 SRP. Dengan adanya selisih yang cukup besar dari SRP kondisi kehadiran 100 persen dengan hasil perhitungan dilapangan maka dari penelitian ini memberikan saran yaitu perlu diadakannya penambahan area parkir baru guna mendukung kenyamanan aksesbilitas para akademisi Politeknik Negeri Lampung.
Utilization of Construction Concrete Waste as Aggregate Substitutes in Normal Concrete Production Zulkarnain, Iskandar; Asnaning, Aniessa Rinny; Desniati, Emmi; Balqis, Tanya Audia
ABEC Indonesia Vol. 12 (2024): 12th Applied Business and Engineering Conference
Publisher : Politeknik Negeri Bengkalis

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Abstract

The construction process frequently necessitates the demolition of existing structures, resulting in substantialconstruction waste. A significant portion of this waste comprises demolition debris, particularly from concrete buildingmaterials. This research aims to develop standard concrete by partially substituting conventional coarse and fineaggregates with concrete waste materials. The substitutions involved replacing 25% and 50% of sand and gravel,respectively, by weight, using a K300 concrete mix design. Adopting the SNI 03-2834-2000 method, the mix design for 1cubic meter of concrete comprised cement (528 kg), sand (776.16 kg), gravel (807.04 kg), and water (205 kg). Theresults indicated an average sample weight reduction, with the first sample at 12.91 kg, the second at 12.79 kg, and thethird at 12.77 kg. This weight decrease suggests that using waste as a partial aggregate substitute impacts concretedensity. Compressive strength tests revealed a reduction of 5.98% in the concrete containing a 25% waste mixture, withaverage compressive strength declining from 307.22 kg/cm² to 288.94 kg/cm². A more pronounced reduction occurred inthe 50% waste mixture, where compressive strength decreased by 15.70% (from 307.22 kg/cm² to 259.06 kg/cm²). Thistrend aligns with the understanding that higher waste content correlates with greater mechanical strength reduction, likelydue to the differing physical properties of waste materials, such as lower density, which impact overall concreteperformance, particularly in compressive strength.
Co-Authors Asnaning, Aniessa Rinny Ika Kustiani Nurwijayanti Rahayu Sulistyorini Resti Agustina Tanya Audia Balqis Titi Ariyanti