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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
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Analisa Stabilitas Lereng dan Penanggulangan Kelongsoran Lereng Pada Ruas Jalan Batas Kota Liwa-Simpang Gunung Kemala, Taman Nasional Bukit Barisan Selatan, Lampung Barat hermawan arbenta; setyanto setyanto; iswan iswan
Jurnal Rekayasa Sipil dan Desain Vol 4, No 4 (2016): Edisi Desember 2016
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Landslide are one of the natural disasters that often occur during the rainy season. As in the area of Bukit Barisan Selatan National Park, Lampung Barat, which is a road that is always passed many vehicles. This happens because of an increase in pore water pressure on the slope, which then resulted in a decrease in shear strength (c) and friction angle (φ). Required slope stability analysis and prevention of sliding slopes experiencing.One of the slope stability analysis method used is Fellenius with countermeasures using retaining wall. Fellenius slope stability analysis method (1927) considers the forces that work on either side of any resultant slices have a zero in the direction perpendicular field of avalanche. Fellenius method provides a safe factor is relatively lower than a matter of a more thorough way.From the analysis of slope stability, slope expressed in critical condition. Countermeasures sliding slope using stone retaining wall plug and using gabion. Dimensions and gabion retaining wall that has been planned can be applied in the field so that avalanches do not occur again. Keywords: slope stability, safety factor, fellenius, retaining wall, gabion.
Analisis Hidrologi Untuk Penentuan Debit Banjir Rancangan di Bendungan Way Besai Mutya Nivitha; Dwi Joko Winarno; Dyah Indriana Kusumastuti
Jurnal Rekayasa Sipil dan Desain Vol 6, No 1 (2018): Edisi Maret 2018
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AbstractResource which is often used for energy source is water as hydro power plant. One of hydro power plant in Lampung province is Way Besai Hydro Power Plant. Considering the importance of this hydro power plant for people, extreme things on the hydro power plant like flood, certainly not desirable. Hydrologic analysis required for get result that was flood design as action anticipation.This study was conducted in Way Besai watershed, Sumber Jaya, West of Lampung. The data required of this study are rainfall data from five stations, flow Way Besai data from 1986 to 2000, and daily rainfall data from two station.From frequency analysis, obtained design flood for the largest single data group return period of 2 years is return period 5 years 131,00 m3/s, return period 10 years 178,42 m3/s, return period 25 years 253,71 m3/s, return period 50 years 322,66 m3/s, return period 100 years 403,45 m3/s, and 499,81 m3/s for return period 200 years. From HEC-HMS, the flood design for return period 2 years sebesar 71,2 m3/s, return period 5 years 90,6 m3/s, return period 10 years 105,7 m3/s, return period 25 years 128,6 m3/s, return period 50 years 156,6 m3/s, return period 100 years 190,8 m3/s and 233,7 m3/s for return period 200 years. Based on calibration result used RMSE, obtained RMSE value is 3,12. Keywords: watershed, design flood, Way Besai, HEC-HMS
Pengaruh Variasi Waktu Pemeraman Terhadap Daya Dukung Tanah Lempung dan Lanau yang Distabilisasi Menggunakan Semen pada Kondisi Tanpa Rendaman (Unsoaked) Bravo Pandiangan; Iswan Iswan; Muhammad Jafri
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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Soil is the material that serves as a support for the construction base. Each region has different soil characteristics in other areas, there has a carrying capacity of good to bad or poor. Clay and silt soil has a bearing capacity and low soil properties. To overcome this, the need to improve the soil natures with the stabilization method. Stabilization is to improve the physical and mechanical properties of the soil so that it meets certain technical requirements. One way is with a cement stabilization. In this study, the cement used is a cement-type portland cement. This study aimed to compare the value of CBR clay and silt before and after stabilized by the addition of cement.  Soil used is a type of clay taken from the village of Rawa Sragi, District Jabung, East Lampung district and silt types from Yosomulyo Village, East Metro District, Metro City. In the modified proctor compaction test results, the addition of cement on clay and silt proven to increase the value of the maximum volume weight (γd) continuously. While the value of the optimum water content (ωopt) a decline that is not too significant on at every level of the cement. For a density value of clay and silt mixed cement has increased compared with the original soil density. In testing the CBR without soaking in a mixture of cement with modified proctor compaction CBR values obtained optimum cement content of 9% and ripening 28 days amounted to 107.6% in clay, silt soil while the CBR value without immersion saw the largest increase in cement content 9% and ripening 28 days 58%. The addition of portland cement is proven to increase the value of CBR significantly compared with the both real soil  Keywords: Cement, Clay, Silt, CBR, Soil Bearing Capacity
Analisis dan Perencanaan Sistem Drainase Di Jl. Raden Gunawan 2 Kecamatan Rajabasa Bandar Lampung Ismawan Dewan Syah; Nur Arifaini; Ofik Taupik Purwadi
Jurnal Rekayasa Sipil dan Desain Vol 6, No 3 (2018): Edisi September 2018
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The occurrence of floods at Raden Gunawan 2 street, Rajabasa district, Bandar Lampung was caused by the inability of existing drainage channels to accommodate direct run-off discharge and blockage of drainage channels by garbage.Hydrological analysis was performed by using the maximum rainfall data within the last 10 years, then, parameter calculation were performed to calculate the discharge plan using rational method. The wide-scale of watershed is 0.77308 km2 and the drainage coefficient is 0.5132. The hydraulic analysis was conducted to calculate the drainage channel discharge capacity using continuity formula and Manning formula, after that, suitable systems and dimensions were planned.Based on the results of the research, the suitable rain distribution is Log Pearson III Distribution which obtained rainfall value of plan for the 5-year rework time of 109,016 mm and the amount of the biggest discharge at joint segment between primary channel and Kemiling area is 2,8336 m3 / sec. Then, flood heights were found in the research area as high as 10-30 cm, because the existing dimensions were not able to accommodate the discharge plan. Thus, suitable channel dimensions are planned using U-Ditch shaped sections with U100 / 100, U150 / 150, U150 / 250 and U250 / 250 sizes. So, the discharge plan (Qr) is smaller than the discharge channel (Qs). Keywords: drainage, hydrology, hydraulics, distribution.
Analisis Pembentukan MAT Pada Jaringan Sederhana Menggunakan Program Lazarus Esty Handayani; Rahayu Sulistyorini; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 3, No 2 (2015): Edisi Juni 2015
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Origin Destination Matrix (O-D MATRIX) is two- dimensional matrix are often to described thepatterns of movement that contains information the amount of intrazone movement. O-D MATRIXformation in this research on simple network with 5 origin-destination zone (O-D) used Gravitymethod with two-limitation . In this research, O-D MATRIX formation on a simple network usingLazarus program. Lazarus is the one of Integrated Development Environment (IDE) from FreePascal Compailer (FPC). FPC that can be used for Window, Linux, and MAC. If the previouscalculations requier a longer time, this program will be quickly and efficiently of O-D Matrix. Ittakes 3 hours to calculate O-D Matrix manualy and input the formula will enhance errorpossibility. This program spents 5 minutes to calculate O-D Matrix .Keywords: Lazarus, Origin Destination Matrix, Zone
Analisis Struktur Gedung POP Hotel Terhadap Beban Gempa Dengan Metode Pushover Analysis Zainal Arifin; Suyadi Suyadi; Surya Sebayang
Jurnal Rekayasa Sipil dan Desain Vol 3, No 3 (2015): Edisi September 2015
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In a fact, the development of Indonesian building codes demand higher design earthquake load.This condition generates the need for retrofitting in existing building that was design with olderbuilding codes, in purpose to acquire the safe building performance. The significant load increaseshown in the latest building code (SNI 1726-2012) gives the urgency to perform seismic riskasessment and retrofit design for this building.Seismic risk of the building is determined from the performance level through static non-linearanalysis (pushover) based on the design earthquake of the new code (SNI 1726-2012). This resultmeans that the damage control performance level, unless retrofitting is performed on each of thedeficient element.Keywords : SNI 1726-2012, pushover, damage control, load of earthquake.
Pengaruh Waktu Pemeraman Terhadap Uji Kuat Tekan Paving Block Menggunakan Campuran Tanah, Semen dan Abu Sekam Padi dengan Alat Pemadat Modifikasi ikko rasita sari; idharmahadi adha; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 4 (2016): Edisi Desember 2016
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AbstractPaving blocks made from a mixture of portland cement or a kind of adhesive hydrolysis, water, and aggregates with or without other ingredients. In this study the process of manufacture of paving blocks will use a mix of soil, portland cement and ashes a rice husk. Moreover, curing of the paving blocks that are expected to increase the strength of paving blocks is according to SNI 03-0691-1996.Soil samples tested were from Kota Baru, South Lampung. The composition of the paving block in this study is 80% soil+15% portland cement+5% ashes a rice husk with a variety of curing time 0 day, 7 days, 14 days, 21 days and 28 days as well as to the treatment of pre-combustion and post-combustion of the sample of paving blocks. Based on the results of physical testing the original soil, USCS classify soil samples as fine-grained soil and belong to the group ML. Results from this study is the manufacture of paving blocks using silt soil, portland cement and ashes a rice husk soil material that does not meet the specifications of SNI 03-0691-1996. Ashes a rice husk does not give effect for the compressive strength of paving block and the curing time too. The longer of curing time, the compressive strength will decrease too. The highest result for the compressive strength of paving blocks post-combustion are best shown in curing time of 0 day 11,70 Mpa.Keywords: Paving blocks, silt soil, ashes a rice husk, compressive strength, curing time.
Pengaruh Abu Terbang Sebagai Bahan Pengganti Semen Pada Bata Beton Beragregat Bottom Ash Robby Chandra Hasyim; Surya Sebayang; Andi Kusnadi
Jurnal Rekayasa Sipil dan Desain Vol 5, No 4 (2017): Edisi Desember 2017
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Setiap tahunnya pertambahan penduduk di Indonesia semakin meningkat.  Hal ini berbanding lurus dengan meningkatnya kebutuhan akan pemukiman. Untuk mengatasi masalah tersebut dapat memanfaatkan bahan-bahan alternative sebagai bahan ikat dan material pengganti. Salah satu bahan alternatif yang mudah ditemukan di Indonesia adalah limbah batu bara yaitu abu terbang (fly ash) dan abu dasar (bottom ash). Selain dapat mengurangi pencemaran lingkungan karena termasuk limbah b3, limbah ini juga memiliki sifat pozzolan atau sifat mengikat seperti semen. Sehingga sangat efektif untuk digunakan dari berbagai segi. Penelitian yang dapat dilakukan dalam pemanfaatan limbah ini salah satunya dengan pembuatan bata beton berlubang dengan fly ash sebagai bahan pengganti sebagian semen dan bottom ash sebagai bahan pengganti sebagian pasir.Dari hasil penelitian didapat nilai kuat tekan paling tinggi adalah bata beton dengan komposisi fly ash sebesar 20% dari berat semen dengan nilai kuat tekan 33,3 kg/cm2 pada umur 28 hari dan 41,34 kg/cm2 pada umur 56 hari. Untuk nilai serapan air semua variasi fly ash masuk dalam klasifikasi mutu I (≤ 25%) dengan nilai serapan air optimum pada variasi fly ash 40% dengan nilai sebesar 11,3% pada umur 28 hari dan 9,65% pada umur 56 hari.Kata Kunci : Bata Beton, Fly Ash, Bottom Ash..
Analisa dan Solusi Kemacetan Lalu Lintas di Ruas Jalan Kota (Studi Kasus Jalan Imam Bonjol - Jalan Sisingamangaraja) Cindy Novalia; Rahayu Sulistyorini; Sasana Putra
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
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Bandar Lampung is a city which plays important role in good distribution from Java to SumatraIsland and so forth. In Bandar Lampung, there is a main street named Imam Bonjol Street. Thisstreet has high range of travelling, especially in traffic hour at the evening where people do highmobility at the same time. This massive mobility will make traffic jam in high intensity. The aim ofthe research are to determine the intensity of traffic jam, to identify the traffic jam by determiningits free flow velocity, side friction, capacity, level of road service, traffic jam of intersection, andalso to find the solution to solve those problems. The role of Ministry of Transportation is neededto decide the traffic regulation for the sake of traffic safety. An effort which can be implemented istraffic arrangement which can overcome traffic jam problem.Keywords: free flow velocity, side friction, capacity, level of road service, traffic jam ofintersection
Desain Sambungan Link Slab Pada Jembatan Gelagar Beton Bertulang Balok T Amanda, Oktary Putri; Purwanto, Eddy; Husni, Hasti Riakara
Jurnal Rekayasa Sipil dan Desain Vol 6, No 2 (2018): Edisi Juni 2018
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The construction of the bridge serves to connect the broken road segment because of an obstacle (river, valley, or highway that is not crossing a plot). The structure of the bridge in Indonesia mostly uses a simple placement system structure which means the structure between the floor of the vehicle with the abutment of one another separated by joint. The joint is usually closed using a construction called expansion joint. Some problems arising from the use of expansion joints such as the occurrence of cracks on the floor of the bridge vehicle, so that water can enter and cause corrosion on the beams and bridge placement. The use of link slab becomes an alternative solution to the problem. This planning was carried out on the reinforced concrete girder bridge type T beam spans 25 m x 2 in accordance with SNI No: 1748-1989-F Ministry of Public Works using the classical method introduced by Carner and Zia Year 1998. From the planning, obtained the overall length of link slab and the length of debonding zone is 3,8 m and 2,55 m respectively. The main reinforcement of link slab D19-350 mm while the temperature shrinkage reinforcement use D12-275 mm.  Keywords: Link slab, vehicle floor, ECC

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