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Pengaruh Bukaan (U-Turn) di Ruas Jalan Z.A. Pagar Alam Terhadap Kinerja Lalu Lintas (Studi Kasus U-Turn di Depan Wisma Bandar Lampung) Bona Gultom; Rahayu Sulistyorini; Sasana Putra
Jurnal Rekayasa Sipil dan Desain Vol 7, No 2 (2019): Edisi Juni 2019
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Development of population in Bandar Lampung City and the demand for vehicles from year to year was increasing, such as private vehicles, public transportation, buses and others. This had an impact on the development of facilities and infrastructure of transportation which facilitated the movement occurring on the Zainal Abidin Pagar Alam road section. One of the facilities found on Z.A Pagar Alam road is the Median Opening (U-Turn) which changed direction by turning 180°. One of the effects of the U-Turn movement was going slowly or stopping vehicles. This would affect the movement of other vehicles on the main road. In addition, there were also many cases where the vehicle couldn’t rotate directly because of less radius of rotation. The purpose of this study was to determine the effect of the Median Opening (U-Turn) on the traffic performance at Z.A Pagar Alam road with the Gap Acceptance Method. The use of the Gap Acceptance Method would get the Queue Length value, Gap value and Wait Time (Follow Up Time). Based on the analysis and calculations carried out at the Median Opening (U-Turn) in front of Wisma Bandar Lampung, it could be concluded that the effect of the U-Turn on Monday morning from Tanjung Karang to Rajabasa and vice versa was the biggest effect on traffic performance where the gap was 439 vehicles and queue due to a gap was 899 vehicles, follow-up times was 309 vehicles and queue due to follow-up time was 1449 vehicles. Keywords : U-Turn, Gap Acceptance, Follow Up Time, Vehicle Queue
Analisis Karakteristik dan Kebutuhan Parkir di Pasar Bambu Kuning Bandar Lampung agung prambudi; Rahayu Sulistyorini; Sasana Putra
Jurnal Rekayasa Sipil dan Desain Vol 9, No 3 (2021): Edisi September 2021
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Parking is a temporary condition of not moving a vehicle. One of the parking requirements is Pasar Bambu Kuning Bandar Lampung. However, they prefer to park on the shoulder of the road and cause congestion around the market. The purpose of this study was to determine and analyze the characteristics of parking at Pasar Bambu Kuning in Bandar Lampung and to analyze the capacity and needs of parking spaces at Pasar Bambu Kuning in Bandar Lampung.  The results showed that the highest frequency of four-wheeled vehicles was 395 vehicles / 3 hours, while the highest frequency of two-wheeled vehicles was 653 vehicles / 5 hours in on-street conditions. The highest parking turnover rates for four-wheeled and two-wheeled vehicles are 1.518 vehicles / SRP / hour and 0.445 vehicles / SRP / hour, respectively, then the highest parking index values for four-wheeled and two-wheeled vehicles are 144% and 72.5%, respectively. . The maximum parking capacity for four-wheeled and two-wheeled vehicles is 281 vehicles / hour and 618 vehicles / hour respectively and the parking requirements for four-wheeled and two-wheeled vehicles are 73 SRP and 82 SRP. Keywords: parking, parking accumulation, frequency, average duration, cumulative frequency, turnover rate, parking capacity, parking demand.
Evaluasi Tata Guna Lahan Parkir Hotel Santika Bandar Lampung Ayura Gadwina; Sasana Putra; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 8, No 3 (2020): Edisi September 2020
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Dampak dari perkembangan kota membuat pembangunan infrastruktur penunjang pun sudah terlihat,sepertiinfrastruktursepertihoteldanjalanmenujulokasiwisatapunsudahdiperbaiki serta diperlebar. Dari pembangunan tersebut memunculkan kebutuhan terhadap sarana ruang parkir yang memadai untuk menghindari kemacetan lalu lintas. Parkir merupakan keadaan tidak bergerak suatu kendaraan yang bersifat sementara. Salah satu bentuk kebutuhan parkir yaitu yang ada di Hotel Santika Bandar Lampung. Namun karena hotel yang berdekatan dengan jalan raya sehinggaperludiketahuiapakahlahanparkiryangdisediakanmampumenampungkendaraan parkir sehingga tidak menyebabkan kemacetan lalu lintas.  TujuandaripenelitianiniadalahuntukmenghitungkecukupanruangparkirpadaHotelSantika Bandar Lampung.  Hasil dari penelitian ini yaitu jumlah ruang parkir yang disediakan pihak Hotel Santika Bandar Lampung masih mengalami kekurangan, yaitu dari yang diperlukan sebanyak 54 SRP sedangkan yangtersediahanya18SRP.Keterbatasanlahandidugamenjadipenyebab kekuranganlahan parkir untuk kebutuhan ruang parkir di Hotel Santika Bandar Lampung.
Desain Peningkatan Tebal Lapis Tambah (Overlay) Jalan Menggunakan Pendekatan Simplified Pada Jalan Tegineneng – Sp. Tanjung Karang Bareb Abdi Oktiano; Sasana Putra; I Wayan Diana
Jurnal Rekayasa Sipil dan Desain Vol 8, No 1 (2020): Edisi Maret 2020
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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.
Pengaruh Penambahan Arang Tempurung Kelapa Terhadap Durabilitas Campuran Asphalt Concrete Wearing Course (AC-WC) Alfina Dwi Putri; Sasana Putra; Rahayu Sulistyorini; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 10, No 1 (2022): Edisi Maret 2022
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With the rise in the number of vehicles on Indonesian roads, the frequency of loads that occur on road pavements rises, and extreme weather changes can damage the pavement layer, particularly at the level of durability (durability), particularly at the top layer, namely the AC-WC (Asphalt Concrete Wearing Course). As a result, it is required to improve the quality of road surface, one of which is to add additives to asphalt mixtures. Coconut shell waste, which is converted into charcoal, was used as an additive in this study. Because coconut shell waste is readily available in Indonesia, but its utilization is inefficient, this study intends to assess the effect of adding coconut shell charcoal at levels of 0%, 3%, 6%, and 9% on the durability of asphalt mixtures. Furthermore, the test objects at each level of coconut shell charcoal were submerged for 30 minutes, 1 day, 7 days, and 14 days at a temperature of 60˚C. Because coconut shell charcoal is an organic material, it is susceptible to the influence of water, the effect of adding coconut shell charcoal to the AC-WC mixture in terms of the First Durability Index (IDP) and Second Durability Index (IDK) values show a greater loss of strength as the coconut shell charcoal content increases.
Kajian Penelitian Limbah Arang Tempurung Kelapa Sebagai Bahan Tambah Pada Aspal Untuk Campuran Split Mastic Asphalt Rahmad Dzulhadi; Sasana Putra; Dwi Herianto; Rahayu Sulistyorini
Jurnal Rekayasa Sipil dan Desain Vol 10, No 1 (2022): Edisi Maret 2022
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Abstract Split Mastic Asphalt (SMA) is one of the surface layers with a higher percentage of AC pavement. This layer uses a gap gradation which has advantages, one of which is the percentage of coarse aggregate 70% of the total mixture, so that the main strength comes from the strength of the aggregate. In addition, it is necessary to increase the strength of the asphalt which can be done, one of which is to use coconut shell charcoal waste as a mixture in the asphalt. Coconut shell waste is found in Indonesia that has not been used optimally, so this study aims to determine the effect of adding coconut shell waste to the Split Mastic Asphalt (SMA) pavement mixture on Marshall characteristics and determine the optimum asphalt content needed so that the SMA mixture can improve performance. strength. Variations in addition of Coconut Shell Charcoal of 0%, 3%, 6% and 9% which will be mixed with asphalt. Furthermore, the test object is immersed for 30 minutes at a temperature of 60˚C. The addition of coconut shell charcoal to the Split Mastic Asphalt (SMA) mixture has an effect on changes in the Stability value, the higher the coconut shell charcoal content in the Split Mastic Asphalt (SMA) mixture, the Stability value will increase, this is because coconut shell charcoal affects the penetration value of the asphalt. . The results of this study obtained the highest stability value at the addition of 9% Coconut Shell Charcoal content. Keywords: Split Mastic Asphalt (SMA), Coconut Shell Charcoal, Stability Abstrak Split Mastic Asphalt (SMA) adalah salah satu lapisan permukaan dengan persentase lebih tinggi dari perkerasan AC. Lapisan ini menggunakan gradasi senjang dimana memiliki keunggulan yakni persentase agregat kasar 70% dari campuran, sehingga kekuatan bersumber dari kekuatan agregat. Selain itu, diperlukan peningkatan kekuatan pada aspal yang dapat dilakukan salah satunya adalah dengan menggunakan limbah arang tempurung kelapa sebagai campuran pada aspal tersebut. Limbah tempurung kelapa banyak ditemukan di Indonesia yang belum dimanfaatkan secara optimal, sehingga penelitian ini bertujuan untuk mengetahui pengaruh dari penambahan limbah tempurung kelapa pada campuran perkerasan Split Mastic Asphalt (SMA) terhadap karakteristik Marshall dan Menentukan kadar aspal optimum yang dibutuhkan agar campuran SMA dapat meningkatkan kinerja kekuatan.Variasi Arang Tempurung Kelapa sebesar 0%, 3%, 6% dan 9% yang akan dicampurkan aspal. Selanjutnya benda uji direndam dengan 30 menit dengan suhu 60˚C. Penambah anarang tempurung kelapa terhadap campuran Split Mastic Asphalt (SMA) berpengaruh terhadap Stabilitas, semakin tinggi kadar arang tempurung kelapa dalam campuran Split Mastic Asphalt (SMA) maka nilai Stabilitas akan semakin meningkat, hal ini dikarenakan arang tempurung kelapa mempengaruhi nilai penetrasi terhadap aspal. Hasil dari penelitian ini diperoleh nilai stabilitas tertinggi pada penambahan kadar Arang Tempurung Kelapa 9%. Kata Kunci: Split Mastic Asphalt (SMA), Arang Tempurung Kelapa, Stabilitas
Pemanfaatan Limbah Plastik Bekas Gelas Kemasan Untuk Meningkatkan Kekuatan Campuran Beton Sebagai Bahan Rigid Pavement Evanthe Calosa; Sasana Putra; Vera Agustriana Noorhidana; Muhammad Karami
Jurnal Rekayasa Sipil dan Desain Vol 10, No 2 (2022): Edisi Juni 2022
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Concrete is the main material of rigid pavement that can withstand compressive strength and weak to tensile strength. Flexural tensile strength on rigid pavement itself is a benchmark in concrete pavement. To increase the value of the flexural tensile strength can be done by adding fiber to the concrete mixture. The purpose of this study was to determine the effect of the addition of plastic waste from plastic packaging made of polypropylene on the compressive strength and flexural tensile strength of concrete.In this study, the addition of used plastic waste pieces from packaged glass used fractional volumes of 0%, 0.1%, 0.3%, 0.5%, and 0.7% of the volume of concrete mixture. The samples for this study were a cylinder with a diameter of 15 cm and a height of 30 cm for the compressive strength test and a beam measuring 15 x 15 x 60 cm for the flexural tensile strength test. The test was carried out after the concrete had been 28 days old. The result of this research is the compressive strength decreased along with the amount escalation of the fiber to the concrete mixture. The flexural tensile strength maximum occur of the addition of plastic fibers at 2% volume fraction increased by 23,75% compared to flexural tensile strength of normal concrete. As a result of adding plastic fibers to the concrete mixture, it also decreased the workability of the concrete mixture
Kajian Penelitian Limbah Arang Tempurung Kelapa Sebagai Bahan Tambah Pada Aspal Untuk Campuran Split Mastic Asphalt Berbasis RAP Bima Depati Pratama; Sasana Putra; Aleksander purba; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 10, No 1 (2022): Edisi Maret 2022
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AbstractDamaged asphalt roads can be repaired with Reclaimed Asphalt Pavement (RAP). This method iscarried out using asphalt waste which is crushed into chunks and later be reused. However,because this pavement has a weakness in terms of quality, an innovation was carried out byadding coconut shell charcoal (ATK) waste as a an additive in asphalt mixture. This research isbased on Marshall testing to determine the performance of a mixture of Split Mastic Asphalt(SMA) with coconut shell charcoal. From the results of the Marshall Characteristics test on theRAP-based SMA mixture with the addition of ATK asphalt content, it shows that for each additionof ATK asphalt content of 3% successively there will be an increase in the stability value with anaverage increase of 9% at 25% RAP, 7% at 50% RAP and 6% at 75% RAP. So in the IKS test itcan be concluded that ATK added material can increase the IKS value as an indicator of thedurability of the asphalt mixture.Key words: Reclaimed Asphalt Pavement (RAP), Innovation, Coconut Shell Charcoal (ATK), Split Mastic Asphalt (SMA).AbstrakJalan aspal yang mengalami kerusakan dapat dilakukan perbaikan dengan Reclaimed AsphaltPavement (RAP). Metode ini dilakukan dengan menggunakan limbah aspal yang dihancurkanmenjadi bongkahan dan nantinya dimanfaatkan kembali. Namun, dikarenakan perkerasan inimemiliki kelemahan dalam hal kualitas, maka dilakukan suatu inovasi dengan penambahan limbahArang Tempurung Kelapa (ATK) sebagai bahan tambah pada aspal. Penelitian ini didasarkan padapengujian Marshall untuk mengetahui kinerja campuran Split Mastic Asphalt (SMA) dengan arangtempurung kelapa. Dari hasil pengujian Karateristik Marshall pada campuran SMA berbasis RAPdengan penambahan kadar aspal ATK, menunjukan bahwa pada setiap penambahan kadar aspalATK sebesar 3% secara berturut-turut akan mengalami peningkatan nilai satabilitas dengandiperoleh kenaikan nilai rata-rata sebesar 9% pada RAP 25%, 7% pada RAP 50% dan 6% padaRAP 75%. Sehingga pada pengujian IKS dapat disimpulkan bahwa bahan tambah ATK dapatmeningkatkan nilai IKS sebagai indikator durabilitas campuran aspal.Kata kunci: Reclaimed Asphalt Pavement (RAP), inovasi, Arang Tempurung Kelapa (ATK), Split Mastic Asphalt (SMA).
Kajian Korelasi Hambatan Samping Terhadap Kecepatan di Jalan 2/2 UD Ayu Lena Lena Meilina; Sasana Putra; Siti Anugrah Mulya Putri Ofrial; Rahayu Sulistyorini
Jurnal Rekayasa Sipil dan Desain Vol 10, No 1 (2022): Edisi Maret 2022
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AbstractSide Obstacles that occur on Jalan Untung Suropati to be precise in the market area of Labuhan Ratu Station such as the use of the shoulder of the road as a parking lot, the road used by pedestrians, vehicles entering and leaving the market, loading and unloading of goods carried out on the road, as well as vehicles used by pedestrians. stop to go up and down. The railroad crossing adjacent to the market will affect traffic flow, and the entry and exit of vehicles on the train will cause side barriers. This study aims to determine how much influence the side barriers that occur and how these obstacles affect vehicle speed on Jalan Untung Suropati Labuhan Ratu. Side drag, speed and volume of direct traffic data by conducting a survey for 1 day and analyzed using the 2014 Indonesian Road Capacity Guidelines, while the effect of side barriers on speed was analyzed using linear regression with the help of Microsoft Excel. From this study, it was found that the highest volume on Monday afternoon at 17.15-17.20 WIB was 793, the highest speed on Monday afternoon was 16,422 km/hour, the highest side drag on Monday morning was 138.4. Based on the results of linear regression analysis, it can be seen that the side resistance is negative, this indicates that if the resistance variable increases by 1, it will affect the speed of 0.0464.  Keywords : Side barrier; speed, traffic flow.AbstrakHambatan Samping yang terjadi di ruas Jalan Untung Suropati Tepatnya di kawasan pasar Stasiun Labuhan Ratu seperti penggunaan bahu jalan sebagai tempat parkir, badan jalan yang digunakan oleh pejalan kaki, kendaraan yang masuk keluar pasar, bongkar muat barang yang dilakukan di badan jalan, serta kendaraan yang berhenti untuk menaik dan menurunkan. Palang kereta api yang berdekatan dengan pasar akan mempengaruhi arus lalu lintas, serta keluar masuknya kendaraan di kereta api kereta api akan menimbulkan hambatan samping. Penelitian ini bertujuan untuk mengetahui seberapa besar pengaruh hambatan samping yang terjadi serta bagaimana pengaruh hambatan tersebut terhadap kecepatan kendaraan di Jalan Untung Suropati Labuhan Ratu. Data Hambatan Samping, kecepatan dan volume lalu lintas langsung dengan melakukan survei selama 1 hari dan dianalisis dengan menggunakan Pedoman Kapasitas Jalan Indonesia 2014, sedangkan untuk pengaruh hambatan samping dan arus lintas terhadap kecepatan dianalisis menggunakan regresi linier dengan bantuan Microsoft Excel. Dari penelitian ini didapat volume tertinggi pada senin sore pukul 17.15-17.20 WIB sebesar 793, kecepatan tertinggi pada senin sore sebesar 16.422 km/jam, hambatan samping tertinggi pada senin pagi sebesar 138,4. Berdasarkan hasil analisis regresi linier dapat diketahui bahwa hambatan samping bernilai negatif, hal ini menunjukkan bahwa jika variabel hambatan mengalami peningkatan 1 , maka akan mempengaruhi kecepatan sebesar 0,0464.Kata kunci : Arus lalu lintas; hambatan samping, kecepatan.
Durabilitas Campuran AC-WC Berbasis RAP Menggunakan Arang Tempurung Kelapa Sebagai Bahan Tambah Pada Aspal Ahmad Yusuf Naufal; Sasana Putra; Muhammad Karami; Rahayu Sulistyorini
Jurnal Rekayasa Sipil dan Desain Vol 10, No 1 (2022): Edisi Maret 2022
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Abstract One method of road infarstructure maintenance is dredging the old asphalt pavement to then be re-coated with a new asphalt pavement. The result of dredging old asphalt pavement is called RAP (Reclaimed Asphalt Pavement). RAP can be used as an aggregate substitution in the manufacture of new asphalt pavement layers, especially in the AC-WC (Asphalt Concrete-Wearing Course) layer by recycling. In addition to the utilization of RAP, improving the quality of road pavement also needs to be done by modifying paved mixtures by adding additives to the asphalt. The additive added in this study is ATK (Coconut Shell Charcoal). This study aims to determine the effect of the addition of ATK on the durability of RAP-based AC-WC mixtures. Furthermore, the immersion of the test object is carried out with a variation of 30 minutes, 1 day at a temperature of 60 °C. The effect of the addition of ATK to the RAP-based AC-WC mixture on its durability judging from the residual Strength Index (IKS) value shows that the residual strength value is getting smaller along with the increasing rap levels and ATK levels in the mixture, this can be caused because ATK is an organic material that is susceptible to the influence of water and RAP is a used asphalt pavement that has suffered damage due to road service. Keywords: AC-WC, RAP, Durability,Coconut shell charcoal Abstrak Salah satu metode pemeliharaan insfrastruktur jalan adalah pengerukan perkerasan aspal lama pada jalan untuk kemudian dilapis kembali dengan perkerasan aspal baru. Hasil dari pengerukan perkerasan aspal lama disebut dengan RAP (Reclaimed Asphalt Pavement). RAP dapat dimanfaatkan sebagai substitusi agregat pada pembuatan lapis perkerasan aspal baru khususnya pada lapisan AC-WC (Asphalt Concrete-Wearing Course) dengan cara daur ulang. Selain pemanfaatan RAP, peningkatkan kualitas dari perkerasan jalan juga perlu dilakukan dengan cara memodifikasi campuran beraspal dengan menambahkan bahan aditif pada aspal. Bahan aditif yang ditambahkan dalam penelitian ini yaitu ATK (Arang Tempurung Kelapa). Penelitian ini bertujuan untuk mengetahui pengaruh penambahan ATK terhadap durabilitas campuran AC-WC berbasis RAP. Selanjutnya perendaman benda uji dilakukan dengan variasi 30 menit, 1 hari pada suhu 60˚C. Pengaruh penambahan ATK pada campuran AC-WC berbasis RAP terhadap durabilitasnya ditinjau dari nilai Indeks Kekuatan Sisa (IKS) menunjukkan nilai kekuatan sisa yang semakin kecil seiring dengan bertambahnya kadar RAP dan kadar ATK dalam campuran, hal ini dapat disebabkan karena ATK adalah bahan organik yang rentan terhadap pengaruh air dan RAP adalah perkerasan aspal bekas yang telah mengalami kerusakan akibat masa layan jalan. Kata Kunci: AC-WC, RAP, Durabilitas, ATK