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Kota bandar lampung,
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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
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Analisa Kelongsorang Lereng Akibat Dari Peningkatan Kadar Air YangTinggi Muhamad Rizki Rinaldi; Lusmeilia Afriani; Yohanes Martono Hadi
Jurnal Rekayasa Sipil dan Desain Vol 8, No 3 (2020): Edisi September 2020
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

The level of slope safety is influenced by several factors. Such as slope conditions with largeloads, steep slopes and heavy rain conditions. This often results in landslides around the TransSumatra toll road, Pematang Panggang. So that around the slopes reinforcement is needed so thatthe slopes are more stable.Based on the results of laboratory tests and research in the field, the results of the calculation ofthe slope safety value program with a 30% saturation degree condition, the safe factor value is1.2946, the degree of saturation 40%, the safe factor value is 1.2881 and the degree of saturationis 60%, the safety factor value is equal to 1,2761. Because the lowest safe factor value is at 60%saturation degree, slope stability is handled at 60% saturation degree, which is strengthened bythe cutting method on the slope body and using sheet pile to get slope reinforcement. Two methodsof handling slope stability were carried out. From the comparison of slope stability handling with60% degree of saturation, the safe slope conditions are in handling one because there is nosubsidence and soil displacement to the free slope area.
Analisis Metode Aliran Permukaan Langsung (Direct Runoff) Sungai Way Besai Menggunakan Software HEC-HMS Juwita Novi Yana; Dyah Indriana Kusumastuti; Dwi Joko Winarno
Jurnal Rekayasa Sipil dan Desain Vol 8, No 4 (2020): Edisi Desember 2020
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Abstract

The river is a gathering place for water in the surrounding environment which flows towards a lower place. Way Besai river is located in Sumberjaya sub-district, West Lampung district which has an area of 410.72 km2. Direct runoff needs to be carried out on the Way Besai river to determine the flood hydrograph that occurs in the Way Besai river. The HEC-HMS model is a numerical hydrological model developed by the Hydrologic Engineering Center (HEC) of the US Army Corps Of Engineers.The methods used in direct flow runoff in the HEC-HMS software are the SCS UH method, the Clark's UH method and the Snyder's UH method. The purpose of this research was to analyze the Way Besai river flood hydrograph by calculating direct runoff using these three methods. The results of this study indicate that the SCS UH method is the most suitable compared to Clark's UH method and Snyder's UH method because it produces the smallest deviation value. Keywords : Way Besai, direct runoff flow, HEC-HMS, SCS UH, Clark's UH, Snyder's UH
Dampak Nilai Tekanan Menggunakan Metode Standar Terhadap Daya Dukung Tanah Dasar (subgrade) Yesi Miranti; Setyanto Setyanto; Rahayu Sulistyorini
Jurnal Rekayasa Sipil dan Desain Vol 8, No 4 (2020): Edisi Desember 2020
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Abstract

The subgrade is a very important role in road construction because it is the beginning of determining the quality and capacity of the soil bearing capacity. One way to strengthen the soil is by soil compaction because it can reduce the amount of unwanted soil subsidence and to rearrange the soil grain structure, so that it becomes denser so that the soil will be denser.This study used grained soil, the type of silty sand from Muara Dua Village, Ulu Belu District, Tanggamus Regency, Lampung Province. The method used is standard compaction and laboratory CBR to determine the impact of the pressure value using a modified press device. The burden used in this research is 3 MPa, 6 MPa, 9 MPa, 12 MPa, and 15 MPa.In the modified press tool test, the values obtained were 12.1 MPa and Laboratory CBR for 3 MPa pressure was 2.7%, 6 MPa pressure was 3%, 9 MPa pressure was 7.8%, 12 MPa pressure was 12.3%, and pressure 15 Mpa of 15.9%. So it can be concluded from the impact of the pressure value using a modified press tool is that the greater the pressure value, the CBR value will increase.Keywords: Standar Proctor, CBR Laboratory, Modification Press Tool. 
Analisis Pengaruh Simpang Tak Bersinyal Yang Berdekatan Pada Jalan Wolter Mangonsidi – Jalan Raden Saleh Dan Jalan Wolter Mangonsidi – Jalan M. Husein Thamrin Muhammad Vareza Pratama; Rahayu Sulistyorini; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 8, No 1 (2020): Edisi Maret 2020
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Abstract

Hambatan  kelancaran  lalulintas  jaringan  jalan  perkotaan  memiliki  dampak  pada  kesejahteraanumum  masyarakat.  Besarnya  arus  lalu  lintas  di  daerah  persimpangan  pada  jam  sibuk  (sore)mengakibatkan  kemacetan  panjang  dan  meningkatkan  kejenuhan  pada  pengguna  lalu  lintas.Sehingga  diperlukan  analisis  lalulintas  antara  persimpangan  untuk  mengetahui  kinerjapersimpangan  tersebut.Penelitian  ini  menggunakan  metode  Manual  Kapasitas  Jalan  Indonesiauntuk  mengevaluasi  dan  menganalisis  kinerja  persimpangan.  Lokasi  penelitian  ini  adalahpersimpangan  Jl. Wolter Monginsidi – Jl. M. Husni Thamrin dan Jl. Wolter Monginsidi – Jl.Raden  Saleh,  Bandar  Lampung  karena  persimpangan  tersebut  menunjukan  kemacetan  danpotensi/resiko  penurunan  tingkat  layanan  jalan.  Hasil  yang  didapatkan  pada  persimpangan  Jl.WolterMonginsidi – Jl. M. Husni Thamrin memiliki nilai kapasitas (C) 2363 smp/jam dan perilakulalu lintas derajat kejenuhan (DS) 0,8834, tundaan simpang (D) 15,08 det/smp dan peluang antrian(QP) 31,23-53,10% dan persimpangan Jl. Wolter Monginsidi – Jl. Raden Saleh memiliki C = 2484smp/jam,  DS  =  0,8151,  D  =  13,55  det/smp  dan  QP  =  26,76-53,10%.  Tinggat  pelayanan  dipersimpangan Jl. Wolter Monginsidi – Jl. M. Husni Thamrindan Jl. Wolter Monginsidi – Jl. RadenSaleh pada hari – hari sibuk dikategorikan pada tingkat E. Kata kunci : Volume kendaraan, Kecepatan rata rata dan Waktu paling sibuk
Studi Kasus Longsor pada Ruas Jalan Kecamatan Batu Ketulis Lampung Barat dengan Menggunakan Analisis Komputasi dan Metode Penanganannya M Lucky Apriansyah Nawawi; Iswan Iswan; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 9, No 2 (2021): Edisi Juni 2021
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Batu Ketulis merupakan kecamatanyang berada di Kabupaten Lampung Barat, provinsi Lampung. Lampung Barat adalah salah satu daerah di Lampung yang memiliki potensi rawan longsor. Penelitian ini adalah untuk mengetahui nilai faktor aman lereng dan menghitung stabilitas lereng menggunakan Bronjong untuk menahan daya dukung tanah agar aman dan tidak longsor, yang dihitung menggunakan program komputasi dengan metode fellenius, bishop dengan kondisi muka air tanah jenuh, jenuh sebagian, dan tidak jenuh. Hasil penelitian menunjukan bahwa parameter tanah berpengaruh terhadap stabilitas lereng, kondisi tanah jenuh penuh memiliki nilai terendah dibandingkan dengan kondisi lainnya. Dari hasil penelitian didapat nilai faktor aman terkecil sebelum penanganan yaitu pada lokasi II dengan elevasi ketinggian 20 m dan sudut kemiringan 30° ,35° ,40° sebesar 1,074, 1,023, 1,008 pada kondisi muka air tanah jenuh penuh. Pada kondisi lerengsetelah penanganan menggunakan bronjong didapat nilai sebesar 2,462, 2,303, 2,223 untuk metode Fellenius, sedangkan untuk metode Bishop sebesar 2,12, 2,006, 1,95.Penangananmenggunakan bronjong cukup efektif terhadap meningkatnya faktor aman sehingga penanganan longsor menggunakan bronjong cukup stabil jika diterapkan di lokasi penelitian.
Korelasi Nilai CBR Laboratorium dan Nilai Dynamic Cone Pentrometer (DCP) terhadap kondisi eksisting di Lapangan Muhammad Kafi; Iswan .; Lusmeilia Afriani; Andius Dasa Putra
Jurnal Rekayasa Sipil dan Desain Vol 9, No 4 (2021): Edisi Desember 2021
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Tanah dalam suatu konstruksi haruslah memiliki nilai kepadatan tanah yang tinggi, nilai kepadatan tanah yang tinggi mempengaruhi daya dukung tanah dalam memikul beban diatasnya. seringkali dilakukan uji penetrasi konus dinamis/DCP (Dynamic Cone Penetrometer). Untuk mendapatkan nilai CBR, hasil uji DCP ini dikorelasikan dengan suatu rumusan Korelasi Nilai DCP-CBR. Namun untuk mengantisipasi kekurangan dalam pengujian korelasi CBR-DCP, perlu dikoreksi dengan Rumusan Korelasi DCP-CBR dari Kementrian PUPR yang berlaku umum untuk seluruh kawasan wilayah Indonesia. Penelitian ini dilakukan dengan melakukan test DCP pada 3 titik di lapangan lalu diambil sampel tanah yang selanjutnya akan dibawa ke laboratorium untuk dilakukan uji sifat fisik tanah. Setelah semua data telah didapatkan baru menganalisi dan merumuskan rumus korelasi DCP – CBR dan dibandingkan dengan rumus korelasi. setelah di lakukan penelitian di ketahui bahwa model rumusan kolerasi DCP – CBR diteliti mempunyai rumus Log CBR = 3.2322 – 1.512 Log DCP, dimana rumus ini sudah sesuai secara umum dengan rumus kolerasi DCP – CBR dari kemetrian PU karena posisi kurva Rumus Korelasi DCP-CBR penulis sedikit diatas kurva rumus Korelasi DCP-CBR Kementrian PUPR
Analisis Percepatan Durasi Proyek Dengan Menggunakan Metode Crashing I Dewa Made Agung Pramana; Amril Ma'ruf Siregar; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 8, No 2 (2020): Edisi Juni 2020
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Abstract

There are possible problems arise during construction of project that can cause delays. Delays can cause losses in the form of fines, overhead costs, additional salaries and rental tools and other. To overcome the problems, there are some ways to achieve project completion in due time. The purpose of this study was to analyze the acceleration of the project duration by utilizing crashing method and its impact on project cost. The object of the case study was the construction of Lampung Regional Police Headquarter. The scenario utilized was increased the number of workers by 35% and the added working hours by four hours. The results show by increasing the number of workers across eleven project activities, the project duration was crashed to 252 days or two days earlier than the scheduled time and the project cost was decrease to Rp. 23,964,647,646.00 or 0.908% lower than the scheduled cost. The results also show by adding four more working hours across ten project activities, the project duration was crashed to 253 days or one day earlier than the scheduled time and the project cost was decreased to Rp. 23,995,417,215.00 or 0.781% lower than the scheduled budget. Keywords: Project Acceleration, Crashing method, increase of the number of workers, the addition of working hours
Analisis Perbandingan Data Pemodelan Pasang Surut BIG Dengan Data Pengukuran Pasang Surut UHSLC Pada Stasiun Tanjung Lesung Brigitha Cindy Sitanaya; Ahmad Zakaria; Dwi Joko Winarno
Jurnal Rekayasa Sipil dan Desain Vol 8, No 3 (2020): Edisi September 2020
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Data pasang surut diperlukan untuk menentukan elevasi bangunan pantai. Badan Informasi Geospasial (BIG) telah menyediakan data pemodelan pasang surut yang dapat diunduh secara gratis. Namun untuk mengetahui keakuratannya, dilakukan perbandingan data BIG dengan data pengukuran tide gauge yang dipublikasikan oleh University of Hawaii Sea Level Centre (UHSLC). Data yang digunakan yaitu data pasang surut 30 harian dari stasiun Tanjung Lesung periode waktu 2008-2012 yang dianalisis menggunakan metode Least Squares dan 9 komponen harmonik pasang surut melalui program ANFOR. Hasil analisis ANFOR diolah sehingga didapat nilai penyimpangan serta keakuratan dari data pasang surut yang dibandingkan. Dari hasil penelitian ini, didapat nilai penyimpangan berdasarkan elevasi yaitu 3,3906 %, nilai koefisien korelasi langsung berdasarkan elevasi sebesar 0,9673, nilai penyimpangan berdasarkan amplitudo komponen pasut K1 sebesar 15,7853 %, O1 sebesar 4,8253 %, P1sebesar 28,1752 %, M2 sebesar 3,2388 %, S2 sebesar 10,6345 %, N2 sebesar 10,5147 %, K2 sebesar 41,3055 %, M4sebesar 97,4340 %, dan MS4 sebesar 97,2310 %, sementara nilai koefisien korelasi berdasarkan amplitudo komponen pasut yaitu 0,9898. Maka dapat ditarik kesimpulan bahwa antara data pemodelan BIG dan data pengukuran UHSLC memiliki tingkat keakuratan tinggi.
Analisis Kualitas Air Hasil Pengolahan Air Hujan Dengan Metode Elektrolisis Menjadi Air Bersih gustin andriani; dwi joko winarno; dyah indriana kusuma
Jurnal Rekayasa Sipil dan Desain Vol 8, No 4 (2020): Edisi Desember 2020
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Water is all water that above or below the ground surface, including sea water that is on land. The need for clean water will increase, while clean water is scarce and must be paid handsomely. Meanwhile, the water source crisis is caused by the increasing need for water as a result of the growing population and land functions that can change the hydrological cycle. One way to meet human needs for clean water is by establishing the concept of rainwater harvesting, which is the concept of collecting rainwater that is stored in a reservoir and then the collected water can be used as an alternative source of water.The purpose of this study was to analyze the quality of rainwater before electrolysis and to determine the pH and TDS values of the permanent yield of rainwater and electrolysis.The results of this study are based on the results of laboratory tests showing that the overall quality of water in rainwater meets PerMenKes N0.416 of 1990. For the decreased pH and TDS values in the electrolysis process using a 1 ampere current adapter with a voltage of 300 volts has increased by 0 , 2-0.4 cm in acidic water. As well as for the area of titanium that affects the electrolysis process, the smaller the size of the titanium, the faster it will produce acid water.Keywords: water, rainwater, rainwater harvesting concept, electrolysis method, acid water.
Analisis Nilai Waktu Kendaraan Pribadi (Mobil dan Motor) Di Kota Bandar Lampung Dengan Metode Regresi Linear (Studi Kasus : Jalan Kartini) Parsaulian siburian; Rahayu Sulistyorini; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 9, No 1 (2021): Edisi Maret 2021
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The value of travel time is the amount of money a person can spend to save a unit of travel time. Loss of travel time is a form of losses in terms of cost and time experienced by road users. This research is conducted at Kartini Street, Bandar Lampung. The purpose of this study is to obtain the value of travel time for car and motorbike users using the linear regression method processed with SPSS. The dependent variable is the cost per length of trip. The independent variables are the lengths, the costs, and the distance of the trip, as well as the socio-economic data of the respondents, namely gender, age, occupation and income. Based on the results of the processing, it is found that the independent variables that have a significant effect on the value of travel time at the research location are age, income, travel time and travel costs. By distributing the mode value of the survey data into the regression equation, the value of travel time on Kartini street for private car drivers is Rp. 25,452.24 / hour and for motorbike riders is Rp. 14,527.26 / hour. Keywords: travel time value, private vehicle, linear regression

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