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Journal : Jurnal Rekayasa Sipil dan Desain

Karakteristik Arus Lalu Lintas Pada Jalan 2/2 Tidak Terbagi Sari, Yulianti Dewi Manda; Putra, Sasana; Sulistyorini, Rahayu; Herianto, Dwi
Jurnal Rekayasa Sipil dan Desain Vol 11, No 1 (2023): Edisi Maret 2023
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

The conditions of volume, speed, and density are influenced by the interaction of the driver and the vehicle with the road and the environment. One of the way to understand traffic behavior is by describing it in mathematical and graphical form.Through analysis of the relationship between volume, speed, and density can be known information about the current traffic flow conditions. The Greenshield model is used to represent the mathematical relationship between volume, speed, and density. The purpose of the study to analyze the characteristic relationship on 2/2 roads with an undivided type. Based on the results of calculating the mean speed, the service level of this road is type E. The mean speed in the morning is 28.78 km/hour towards Teluk and 25.44 km/hour towards Tanjung Karang. It concluded that the mean speeds of vehicles at this research location are not according to the Regulation of the Minister of the Republic of Indonesia Number 96 of 2015, where for secondary arterial roads with a service level of at least C, namely 60 km/hour.Based on the analysis of the relationship between traffic characteristics using the Greenshield model obtained (r2) = 0,276.
Pemanfaatan Material Pasir Sebagai Bahan Pengganti Fraksi Agregat Halus Untuk Lapis Pondasi Agregat Kelas A Santoso, Muhammad Bagus; Putra, Sasana; Sulistyorini, Rahayu; Herianto, Dwi
Jurnal Rekayasa Sipil dan Desain Vol 11, No 1 (2023): Edisi Maret 2023
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

The base course material uses mountain stone which is broken up with a stone crusher so that it has a high quality which makes it expensive. In this research we need an alternative material to replace fine aggregate that meets the specification requirements. One of the more affordable resources is sand aggregate. The purpose of this study was to determine the density and comparison of the California Bearing Ratio (CBR) value of the base course using sand as a substitute for fine aggregate. The method used in this research is laboratory scale testing to obtain data on aggregate characteristics, optimum moisture content, and CBR values. The base course aggregate mixture used was 55% coarse aggregate and 45% fine aggregate consisting of a mixture of fine crushed stone and 0%, 10%, and 20% sand substitution. The results showed that the KAO value decreased with the addition of sand aggregate. Laboratory CBR values increased with 0% sand substitution having a CBR value of 99.2%, 10% sand substitution having a CBR value of 90.6%, and 20% sand substitution having a CBR value of 84.1%. Only the laboratory CBR value with sand substitution of 20% does not meet the specifications for base A aggregate, namely a minimum value of 90%.
Pengaruh Penambah Ekstraksi Bubuk Lindi Hitam Terhadap Limbah Aspal Bekas Pakai Talitha, Yolanda Septiani; Putra, Sasana; Herianto, Dwi; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol 12, No 1 (2024): Edisi Maret 2024
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Jalan yang sering dilalui kendaraan berat, mengakibatkan penuaan aspal yang dapat menurunkan kualitas aspal tersebut. Inovasi yang dilakukan, yaitu memanfaatkan limbah aspal yang termodifikasi dengan ekstraksi bubuk lindi hitam atau lignin. Penelitian ini untuk mengetahui karakteristik pengikat aspal bekas pakai dengan tambahan lignin dengan kadar 0%, 3%, dan 6%. Pengujian reologi aspal meliputi berat jenis, penetrasi, daktilitas, titik lembek, viskositas.Penelitian ini menunjukkan bahwa aspal bersifat sangat kaku dan membutuhkan suhu yang sangat tinggi untuk mencair. Hasilnya terbukti dari titik lembek tertinggi (78,5°C pada kadar lignin 6%), penetrasi terdalam (9,33 mm pada kadar lignin 0%), daktilitas terpendek (4,15 cm pada kadar lignin 6%), nilai viskositas yang mendekati spesifikasi bina marga (3592,205 cSt pada lignin 3%), Kesimpulannya, bahan zat aditif lignin mampu membuat aspal semakin kaku dan keras dan tidak baik untuk bahan peremajaan aspal.
Model Matematis Lalu Llintas Pada Ruas Jalan 4/2 UD Jalan Diponegoro Yoga Kartiwi, Diana Williani; Putra, Sasana; Herianto, Dwi; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol 11, No 3 (2023): Edisi September 2023
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Jalan Diponegoro is an undivided 4-lane 2-way road that connects the urban center with residential areas in Bandar Lampung City. The traffic jam that occurs on Jalan Diponegoro when the traffic light is red often causes queues of vehicles, especially during peak hours. The purpose of this study is to determine the pattern of mathematical relationships between speed (S), current (V), and density (D) made using the Greenshiled Model. Based on the EKR headway ratio, the results obtained from the calculation of the Greenshields Model for morning observations Sff = 24.61 km/hour; Dj = 32.16 SKR/km; VM = 197.70 SKR/hour; BC = 12.31 km/hour; and DM = 16.08 SKR/km. Whereas in the afternoon observation, the value of Sff = 29.45 km/hour, Dj = 47.50 SKR/km, VM = 349.74 SKR/hour, SM = 14.72 km/hour, and DM = 23.75 SKR/ km. Keywords : Volume, Speed, Density, Model Greenshield.
Karakteristik Campuran Aspal Porus Dengan Menggunakan Material Dari Lampung Suryatama, Noval; Putra, Sasana; herianto, dwi; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol 11, No 2 (2023): Edisi Juni 2023
Publisher : Jurnal Rekayasa Sipil dan Desain

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Porous asphalt is one of the asphalt mixtures being developed for wearing course construction. This layer uses open graded which is dominated by coarse aggregate, resulting in quite large voids. The material used in this study came from Lampung. The purpose of this study was to determine the characteristics of porous asphalt mixtures using materials from Lampung. The results of the aggregate testing show that aggregates originating from Lampung are able to meet the general specifications of Bina Marga in 2018. This study shows that the highest stability is found at 5.5% asphalt content with a stability value of 552.52 kg and the lowest stability at 6.5 asphalt content % with a stability value of 459.22 kg. The lowest flow value is found at 5% asphalt content, which is 5 mm, while the highest flow value is found at 6.5% asphalt content, which is 6.2 mm. The highest VIM was found at 4.5% asphalt content which was 21.77%, while the lowest VIM value was found at 6.5% asphalt content which was 14.07%. The highest cantabro loss value was found at 4.5% asphalt content, which was 39.11%, while the lowest cantabro loss value was found at 6.5% asphalt content, which was 13.91%. The lowest asphalt flow down value is found at 4.5% asphalt content, which is 0.16%, while the highest AFD value is found at 6.5% asphalt content, which is 1.30%. Based on the test specimens for the optimum asphalt content, the permeability coefficient value was 0.075 cm/second.
Durabilitas Campuran Porous Asphalt Dengan Limbah Plastik Polietilena Tereftalat (PET) Sebagai Bahan Tambah Pada Aspal Harahap, Ananda Wirawan Tritama; Putra, Sasana; Herianto, Dwi; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol 11, No 1 (2023): Edisi Maret 2023
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Porous asphalt is an asphalt mixture that has a high pore space, therefore it is necessary to use asphalt modification which is expected to increase the stability of porous asphalt, so that porous asphalt is expected to have better performance. Plastic waste can open up opportunities to be used in the field of highway construction because it is easy to obtain and the price is more economical as a porous asphalt mixture. Referring to this, a research was carried out on the durability of porous asphalt mixtures with polyethylene terephthalate (PET) plastic waste as an additive to asphalt. The purpose of this study was to determine the effect of using PET plastic waste on the durability of porous asphalt mixtures. The method used is a laboratory scale experimental method based on 3 types of testing, namely marshall, cantabro loss and asphalt flow down. The gradation in this study used the Australian Asphalt Pavement Association (AAPA) 2004 open graded. The test results showed successively the immersion effect of porous asphalt with the addition of 0%, 5% and 7.5% PET plastic resulted in a decrease in the IDP value (Index Durability First) of 1.25%, 0.89% and 0.83% , and also a decrease in the value of IDK (Second Durability Index) based on the value of loss of strength of 44.12%, 33.31% and 30.52%. This shows that porous asphalt mixed with PET plastic has better durability than without PET.
Analisis Tundaan Kendaraan Akibat Weaving Di Jalan Diponegoro Menggunakan Metode Gap Acceptance Desviolla, Millennia Yessy; Putra, Sasana; Ofrial, Siti Anugrah Mulya Putri; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol 12, No 1 (2024): Edisi Maret 2024
Publisher : Jurnal Rekayasa Sipil dan Desain

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The slowing down of vehicle speed that occurs on Jalan Diponegoro is caused by the behavior of vehicles that make intertwining movements (weaving). This condition causes vehicles traveling straight to reduce vehicle speed due to the presence of vehicles entering from Jalan Dr. Cipto Mangunkusumo towards Jalan Diponegoro. Queues that occur on Jalan Diponegoro cause a narrowing of the road, which can cause travel delays. The aim of this research is to analyze travel delays due to interwoven conflicts or weaving that happened on Jalan Diponegoro. This research was analyzed using the method gap acceptance. According to the results of data processing analysis and literature studies, the delay time was 23.28 seconds in the morning and 13.77 seconds in the afternoon for each 5 minute time interval. Key words: Travel Delay, InterwovenConflict, Gap Acceptance.
Analisis Desain Geometrik Fly Over Pramuka - Indra Bangsawan Utomo, Muhammad Ridho; Putra, Sasana; Purba, Aleksander
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 1 (2020): Edisi Maret 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i1.1263

Abstract

As the capital city of Lampung Province, traffic density in Bandar Lampung City cannot be avoided. Due to the density of existing traffic flow, transportation facilities need to be improved. Transportation facilities improve can be done with many examples of traffic engineering, like make an intersections, roundabout, underpasses, flyovers, etc.  In the Pramuka traffic area, the government took the decision to make a fly over. The construction of fly over Pramuka – Indra Bangsawan impressed not pay attention to the applicable geometric standard of urban roads, so it needs to be evaluated to find out the safe speed to cross on it. The research method is by first searching for the ideal radius length after that searching for the ideal arch length which will be compared with the existing arch length.  The result, a safe passing speed when crossing the fly over is 18 km / h (full circle) and 16 km / h (spiral-spiral), and at the cross over fly over is 12 km / h (full circle) and 8 km / h (spiral-spiral). Speed requirements for urban road plans are 30 - 50 km / h, so it can be concluded that the construction of fly-over pramuka - indra bangsawan has not met the applicable urban road planning standards.
Desain Peningkatan Tebal Lapis Tambah (Overlay) Jalan Menggunakan Pendekatan Simplified Pada Jalan Tegineneng – Sp. Tanjung Karang Oktiano, Bareb Abdi; Putra, Sasana; Diana, I Wayan
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 1 (2020): Edisi Maret 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i1.1265

Abstract

Salah satu infrastruktur yang berperan penting dalam berkembangnya suatu daerah adalah infrastruktur jalan. Kondisi kerusakan dini pada jalan raya terutama disebabkan oleh muatan berlebihan kendaraan berat (overloaded), ketidaksesuaian standar mutu lapisan perkerasan jalan untuk lalu lintas berat, kekeliruan dalam pedoman penentuan tebal lapisan perkerasan jalan, serta kurang baiknya sistem drainase jalan. Rekayasa Lapangan merupakan bagian penting dari kegiatan proyek untuk menuju penanganan jalan secara optimal dari sisi mutu, biaya dan waktu. Kebijakan diperkenalkannya simplified design dalam perencanaan jalan membuat sebagian besar perencanaan teknis jalan nasional dilakukan dengan menggunakan prinsip simplified design. Tujuan dari penelitian ini adalah untuk menghitung tebal peningkatan lapis tambahan (overlay), dan mengetahui kebutuhan biaya rehabilitasi dengan menggunakan pendekatan simplified pada ruas jalan tegineneng – sp. tanjung karang. Hasil dari penelitian ini yang menggunakan pendekatan simplified didapat perencanaan tebal lapis tambah (overlay) pada STA 13+449 - 15+849 sebesar 18 cm, STA 25+188 – 26+488 sebesar 18 cm dan STA 31+650 – 32+450 sebesar 16 cm untuk ruas jalan tegineneng – sp. tanjung karang. Dari hasil data yang didapatkan yaitu tebal lapis tambah (overlay) biaya rehabilitasi dengan pendekatan simplified untuk ruas jalan tegineneng – sp. tanjung karang sebesar Rp 52.253.768.426,00,-. Kata kunci :     pendekatan simplified, tebal lapis tambah (overlay), rencana anggaran biaya, rehabilitasi.
Analisa Kebutuhan Ruang Parkir Kantor Pemerintah Kota Bandar Lampung Putri, Zsa Zsa Ratna; Putra, Sasana; Karami, Muhammad
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 1 (2020): Edisi Maret 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i1.1267

Abstract

Berkembangnya suatu wilayah maka akan memicu pertambahan penduduk sehingga akan meningkat juga kepemilikan kendaraan yang mempengaruhi pertumbuhan kegiatan penduduknya. Hal ini terjadi disepanjang jalan Dr. Susilo yang dimana pada ruasnya terdapat gedung Kantor Pemerintah Kota Bandar Lampung yang merupakan kantor palayanan publik. Adapun hal yang menarik perhatian adalah sudah tersedianya lahan parkir namun masih tidak mampu menampung kendaraan yang berkunjung sehingga menimbulkan kepadatan lalu lintas.  Tujuan dari penelitian ini adalah untuk mengetahui dan menganalisis kebutuhan ruang parkir yang terdapat di Kantor Pemerintah Kota Bandar Lampung.  Hasil dari penelitian ini yaitu akumulasi maksimum kendaraan yang parkir adalah 348 kendaraan. Untuk rata-rata durasi kendaraan adalah 119 menit. Hasil untuk tingkat pergantian parkir adalah 6,3/SRP/jam. Kapasitas maksimum kendaraan yang parkir adalah 101 kend/jam. Kebutuhan ruang parkir untuk Kantor Pemerintah Kota Bandar Lampung adalah 296 SRP. Kata kunci: Parkir, Durasi Parkir, Tingkat Pergantian Parkir, Kapasitas Parkir, Kebutuhan Parkir, Kantor Pemerintah Kota Bandar Lampung.