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Kota bandar lampung,
Lampung
INDONESIA
Jurnal Rekayasa Sipil dan Desain
Published by Universitas Lampung
ISSN : 23030011     EISSN : 27150690     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 840 Documents
 79   80   81   82   83 
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 : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3538

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.
Follow-Up Queue Impact Due to The Closures of Perintis Kemerdekaan Railroad Crossing on Vehicle Velocity Decrement of Gatot Subroto Street Sugendra, Renaldy; Putra, Sasana; Ofrial, Siti Anugrah Mulya Putri; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3562

Abstract

The closures of railroad crossing on Perintis Kemerdekaan Street frequently cause vehicle queues on Gatot Subroto Street. The density that happens on Perintis Kemerdekaan Street impacts on the occurrence the road constringency and vehicle velocity delay. The results with four hours of observation, the delay values can be concluded with shockwave analysis. 20,72 km/h is determined as for the value of forwarding forming shockwave (ωda) in morning observation and 9,08 km/h in the afternoon; with 1,32 km/h of backward forming shockwave (ωab) in the morning and -1,07 km/h in the afternoon; also forward recovery shockwave (ωdc) in the morning is 5,17 km/h and 1,98 km/h in the afternoon; as well with -10,64 km/h as the value for backward recovery shockwave (ωcb) in the morning and -4,10 km/h in the afternoon; as for the frontal stationary shockwave (ωac) the value is 4,73 km/h in the morning and 1,75 km/h in the afternoon. The mileage time increment is up from 4,25 to 7,6925 seconds in the morning and from 10,68 to 21,196 seconds in the afternoon.
Evaluasi Kekuatan Struktur Gedung Bertingkat Terhadap Pengaruh Beban Gempa Menggunakan Analisis Dinamik Respon Spektrum (Studi kasus: Gedung MAN Insan Cendikia, Serpong) Restiawan, Arie Dwie; Bayzoni, Bayzoni; Husni, Hasti Riakara; Isneini, Mohd
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3580

Abstract

Indonesia is a region that is at risk of earthquakes. The impact of an earthquake is bad for the building structure, not only causing damage to the building, but also can cause the building to collapse. Therefore, to reduce the adverse effects obtained from earthquakes, it is necessary to design and evaluate the strength of building structures with resistance to earthquake loads. The method used in this study is dynamic response spectrum analysis to obtain the magnitude of the earthquake load. Evaluation of the strength of the building structure is carried out using structural analysis software to make it easier to do the analysis. This study aims to determine the ratio of the required strength in conditions without earthquake loads and conditions due to earthquake loads to the designed strength of the structure. Based on the results of this study, it can be concluded that the required strength obtained in conditions without an earthquake load reaches 8.33% to 90.62% of the designed strength, whereas in conditions due to strong earthquake loads the required strength obtained reaches 12.57% to 153.31% of the designed strength.Keywords: earthquakes, structural strength, dynamic analysis, response spectrum.
Pengaruh Air Laut Pada Proses Curing dan Treatment Terhadap Kekuatan Beton Sari, Rendityas Mayang; Helmi, Masdar; Alami, Fikri
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3620

Abstract

Pembangunan infrastruktur di wilayah pesisir memerlukan penggunaan bahan konstruksi yang dapat bertahan dalam kondisi terpapar air laut. Namun, air laut memiliki pengaruh yang cukup besar pada kekuatan beton. Penelitian ini bertujuan untuk mengevaluasi dampak air laut dan lingkungan pesisir terhadap kekuatan beton serta tingkat karbonasinya. Sampel beton berbentuk kubus dengan dimensi 15x15x15 cm disubjekkan pada perawatan dengan air tawar dan air laut selama periode 7, 14, 28, dan 56 hari. Hasil penelitian menunjukkan bahwa beton yang diperlakukan dengan air laut memiliki kekuatan tekan yang lebih rendah dibandingkan dengan beton yang diperlakukan dengan air tawar, dengan nilai kekuatan tekan berturut-turut adalah 273,53 kg/cm2 , 302,23 kg/cm2 , 331,21 kg/cm2 , dan 316,01 kg/cm2 . Selain itu, beton yang terpapar lingkungan pesisir juga mengalami penurunan nilai kekuatan tekan pada usia 28 dan 56 hari untuk setiap sampel. Nilai kekuatan tekan pada sampel BAZ adalah 426,63 kg/cm2 ; pada sampel BTZ adalah 384,09 kg/cm2 pada usia 28 hari dan 361,05 kg/cm2 pada usia 56 hari; sementara pada sampel BSZ adalah 351,6 kg/cm2 pada usia 28 hari dan 342,2 kg/cm2 pada usia 56 hari. Hasil uji karbonasi pada usia 28 dan 56 hari menunjukkan bahwa sampel BUR dan BAZ tidak mengalami karbonasi dengan kedalaman 0 mm, sementara sampel BTZ mengalami karbonasi dengan kedalaman 4,4 mm pada usia 28 hari dan 6,4 mm pada usia 56 hari. Sampel BSZ memiliki tingkat karbonasi yang lebih dalam, yaitu 7,4 mm pada usia 28 hari dan 11 mm pada usia 56 hari. Hasil ini mengindikasikan bahwa semakin dalam tingkat karbonasi, semakin menurun kekuatan beton.
Upaya Peningkatan Daya Dukung Tanah Dasar (Subgrade) dengan Menggunakan Campuran Fly Ash, Bottom Ash dan Silika Putri, Silfa Nayyira; Putra, Andius Dasa; Iswan, Iswan; Syah, Aminudin
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3622

Abstract

Soil or subgrade is the place where the construction made by technicians for personal and collective interests stands. Before starting a construction, soils that have low bearing capacity, water absorption and high plasticity can be stabilised by soil stabilisation methods. Soil stabilization may involve the use of chemical stabilization materials. This research aims to determine the effect and get the appropriate comparison of the results of the addition of a mixture of fly ash, bottom ash and silica. This research study was conducted using soil samples from Kalianda subdistrict and stabilization materials in the form of fly ash, bottom ash and silica matured for 24 hours. Tests were conducted at the Soil Mechanics Laboratory and physical and mechanical properties were tested.. Clay soils classified as A-7-5 (AASHTO) and OH (USCS) mixed with 4 different compositions of stabilising materials had different results. Of the 4 compositions, the mixture that has the largest bearing capacity value is only silica. Because the results of the CBR test on the mixture that added silica were greater than the mixture using only fly ash and bottom ash. Fly ash, bottom ash and silica gel are easily found or affordable, but the use of silica can increase costs due to its relatively expensive price, inversely proportional to the very affordable price of fly ash and bottom ash.  
Analisis Perbandingan Pengaruh Variasi Ukuran Panjang Pada Kawat Bendrat Terhadap Beton Konvensional Ristama, M Alvany Veschonanda; Isneini, Mohd; Noorhidana, Vera Agustriana; Widyawati, Ratna
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3637

Abstract

AbstrakBeton adalah material konstruksi yang terdiri dari campuran bahan-bahan seperti semen, air, dan agregat, yang digunakan dalam berbagai jenis infrastruktur. Beton memiliki nilai kuat tekan yang tinggi namun lemah terhadap gaya tarik. Penambahan kawat bendrat pada beton dilakukan untuk menaikkan nilai kuat tarik dan kuat lentur beton. Penelitian ini menggunakan volume fraksi 0%, 0,75% dan 1,5% dengan menggunakan variasi panjang tiap volume fraksi sebesar 30 mm, 50 mm, dan 70 mm dan bertujuan untuk menganalisis panjang kawat bendrat paling efektif sebagai bahan campuran beton. Pengujian dilakukan pada umur rencana 28 hari dan pengujian kuat tekan menggunakan sampel silinder dengan diameter 150 mm dan tinggi 300 mm sedangkan pengujian kuat tarik lentur menggunakan sampel balok dengan ukuran 100x100x400 mm. Pada kuat tekan penambahan serat kawat bendrat dinilai tidak efektif dan mengalami penurunan terkecil pada beton volume fraksi 0,75% panjang kawat bendrat 50 mm dengan penurunan sebesar 0,68%. Sedangkan pada kuat tarik lentur penambahan serat kawat bendrat dinilai efektif dan mengalami peningkatan terbesar sebesar 168,39% dari beton normal yaitu pada beton volume fraksi 1,5% dengan panjang kawat bendrat 50 mm.Kata kunci : beton, serat kawat bendrat, variasi panjang, kuat tekan, kuat tarik lentur.
Analisis Kombinasi Campuran Serat Baja dan Kawat Bendrat pada Beton Konvensional Rahmanisa, Laila Indah; Isneini, Mohd; Noorhidana, Vera Agustriana; Widyawati, Ratna
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3639

Abstract

AbstrakBeton konvensional adalah beton dengan bahan campuran yang terdiri dari semen, air, agregat kasar, dan agregat halus. Beton konvensional memiliki kelemahan, yaitu lemah terhadap tarik dan bersifat getas. Untuk mengatasi kuat tarik yang rendah, beton konvensional dapat dicampurkan dengan serat. Pada penelitian ini, dilakukan penambahan kombinasi campuran serat baja 3D Dramix dan serat kawat bendrat. Tujuan dari penelitian ini adalah mencari perbandingan campuran serat baja 3D Dramix dan kawat bendrat yang optimal, karena dengan mengetahui perbandingan campuran yang optimal maka dapat ditemukan formulasi terbaik dari kerja beton serta dapat menekan pengeluaran untuk kebutuhan material (low effort, high impact). Penelitian ini dilakukan dengan penambahan volume fraksi 0%, 1%, dan 1,5% dari volume adukan beton. Benda uji yang digunakan berupa silinder dengan ukuran diameter 150 mm dan tinggi 300 mm untuk kuat tekan, dan balok dengan ukuran (100 x 100 x 400) mm untuk kuat tarik lentur. Dari hasil penelitian telah didapat kesimpulan : (1) Dari campuran kombinasi 3D Dramix dan kawat bendrat didapat perbandingan yang memberikan hasil paling optimum untuk menaikkan nilai kuat tekan yaitu pada kadar variasi 3D Dramix 0,5% dan kawat bendrat 0,5% di volume fraksi 1%. (2) Dari campuran kombinasi 3D Dramix dan kawat bendrat didapat perbandingan yang memberikan hasil paling optimum untuk menaikkan nilai kuat tarik lentur yaitu pada kadar variasi 3D Dramix 0,5% dan kawat bendrat 1% di volume fraksi 1,5%.  Kata kunci : Serat baja 3D Dramix, kawat bendrat, kuat tekan, kuat tarik lentur.
Kajian Potensi Risiko Kecelakaan pada Stasiun LRT Palembang dengan Analisis Semi-Kuantitatif Rindiani, Rahma Indah; Usman, Kristianto; Kustiani, Ika; Siregar, Amril Ma'ruf
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3657

Abstract

LRT is a mass transportation facility that supports public mobility, reduces air pollution and alleviates traffic congestion, also decreases public transportation cost. Risk management is very important in LRT to ensure the safety and security for users and employees services. This research aims are to identify and determine the potential risks of accidents based on each variable, also to know the level of accident risk that may impact users and employees safety on LRT Palembang. This research involves questionnarie surveys and semi-quantitative data analysis, also makes the accident risk profile for LRT Palembang. Based on data analysis, users risk profile score with 9 variables, 5 variables result in low risks with 4-8% percentage, and 4 other variables result in medium risk with 12-20% percentage. Operators risk profile score with 10 variables, 3 variables result in low risk with 8% percentage, and other 7 variables result in medium risk with 12-20% percentage.
Analisis Pengendalian Mutu Beton dengan Metode Statistical Quality Control (Studi kasus: Rumah Susun PIK Pulo Gadung) Setiadi, Moch Sofyan; Usman, Kristianto
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3669

Abstract

 Concrete quality control in the PIK Pulo Gadung Flats project is carried out by determining the concrete compression strength which affects the quality of the concrete produced. This research is about how to control the quality of concrete by testing the compressive strength of concrete. The test results data were analyzed using statistical quality control (SQC) method. The results of the analysis are in the form of a control chart consisting of the average/target line, upper control limit (UCL), and lower control limit (LCL). From the results of the analysis was found that the quality of the concrete from the columns of floors 1 to 16 was in accordance with the quality of the plan. Based on the X-chart for fc' 40 MPa on target 36,36%, below target 27,27%, out UCL 18,18%, out LCL 18,18%. For fc' 30 MPa out UCL 40%, out LCL 60%. Based on the R-chart for fc' 40 MPa on target 45,45%, below the target of 54,55%. For fc' 30 MPa on target 40%, below the target 60%. Pengendalian mutu beton pada proyek Rumah Susun PIK Pulo Gadung dilakukan dengan penentuan nilai kuat tekan beton yang berpengaruh pada mutu beton yang dihasilkan. Penelitian ini adalah mengenai cara pengendalian mutu beton dengan melakukan pengujian kekuatan tekan beton. Data-data hasil pengujian dianalisis dengan metode statistical quality control (SQC). Hasil analisis berupa control chart yang terdiri dari garis rata-rata/target sasaran, upper control limit (UCL)/batas atas, dan lower control limit (LCL)/batas bawah.Dari hasil analisa diperoleh hasil bahwa mutu beton dari kolom lantai 1 sampai 16 telah memenuhi mutu rencana. Berdasarkan X-chart untuk fc’ 40 MPa memenuhi target 36,36%, dibawah target 27,27%, keluar UCL 18,18%, keluar LCL 18,18%. Untuk fc’ 30 MPa keluar UCL 40%, keluar LCL 60%. Berdasarkan R-chart untuk fc’ 40 MPa memenuhi target 45,45%, dibawah target 54,55%. Untuk fc’ 30 MPa memenuhi target 40%, dibawah target 60%.
Pemodelan Gedung Kuliah Bersama Politeknik Negeri Lampung Menggunakan Building Information Modeling (BIM) Anggraini, Tiara; Husni, Hasti Riakara; Bayzoni, Bayzoni; Ashruri, Ashruri
Jurnal Rekayasa Sipil dan Desain Vol. 11 No. 3 (2023): Edisi September 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v11i3.3670

Abstract

Building Information Modeling (BIM) is one of the technologies that can present information about building elements through 3D modeling. One of the BIM software that can be used to model buildings in 3D is Autodesk Revit. The purpose of this research is to model the Joint Lecture Building of Lampung State Polytechnic in 3D by applying the BIM concept to obtain the volume of work as a reference for making decisions when operational and maintenance will be carried out and comparing the results obtained with the existing Bill of Quantity (BoQ). The data used in this research refers to the as plan drawing. The modeling process involves setting units, creating grids and levels, creating structural families and modeling them, creating architectural families and modeling them, entering identity data, conducting clash checks, and then issuing the volume of work. This research produces the volume of work on wall paint, doors, windows, tiles (ceramic/granite), and ceilings with scenarios in the form of volume for each room on each floor. Based on the results of this research, it can be concluded that modeling the Joint Lecture Building of Lampung State Polytechnic using the BIM concept with Autodesk Revit 2023 software is a more effective and efficient method because the volume output obtained is not only comprehensive but can be specialized on certain floors or rooms.Key words : Building Information Modeling (BIM), Autodesk Revit, operational and maintenance

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