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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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TIME VARIATION EFFECT ON UNCONFINED COMPRESSIVE STRENGTH VALUE ON CLAY AND SILT STABILIZED USING CEMENT ON SOAKING CONDITION Dindha Amalia Syananta; Idharmahadi Adha; Seytanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Soil in Indonesia are mostly clay and silt, which tend to be unstable, such as the soill support,compressive strength of soil and land subsidence. Unconfined Compression Test is a method thatdone in the laboratory to measure compression until the soil separates from its grains and tomeasure the soil stretch from that press. In this research to improve the quality of the soil usedmaterials like cement mixer with a variety of curing 7 days, 14 days and 28 days in order todetermine the optimum strength in clay and silt.From the effect of variations in curing time on compressive strength test values obtainedincrease in the compressive strength at the highest cement mix with a variety of curing time of 14days at 0.5927 kg /cm 2 for clay. On the silt soil increase in the compressive strength with thehighest free 14-day curing time variation of 0.5819 kg / cm2. Under optimal conditions theinfluence of a mixture of cement on clay and silt soil occurred in 9% of cement mix with a curingtime of 14 days. From the results obtained show consistent with an increase in cement content,an increase in the value of qu. With increasing curing time then the compressive strength alsoincreased.Keywords: compressive strength, cement, curing, clay, silt
Studi Optimalisasi Perparkiran dan Pedestrian di Fakultas Teknik Jurusan Teknik Mesin, Teknik Elektro, Teknik Kimia dan Teknik Geofisika Universitas Lampung Laedo Gustiaji; Dwi Herianto; Yohanes Martono Hadi
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
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Abstract

This study aims to determine the parking needs, determine whether the facility is adequate parkingand pedestrian, analyzing pedestrian handling solutions that are safe and comfortable in theFaculty of Engineering Department of Electrical Engineering, Mechanical Engineering, ChemicalEngineering and Engineering Geophysics.Intake of survey data on the number of vehicles and the number of available parking plots. Dataprocessing is done by analyzing the duration of parking, parking capacity, accumulation ofparking and parking index.Based on the survey and analysis of parking needs for this location is the car lands I and II of210% / day, for cars Land III by 19% / day, for motorcycle land I and II at 321% / day, for themotorcycle land III 81% / day. Thus, the index value above 100% of parking, which showed thatthe number of existing parking plots can not accommodate vehicles parked.Keywords: Transport, parking, pedestrian
Studi Kolam Retensi sebagai Upaya Pengendalian Banjir Sungai Way Simpur Kelurahan Palapa Kecamatan Tanjung Karang Pusat Florince Florince; Nur Arifaini; Idharmahadi Adha
Jurnal Rekayasa Sipil dan Desain Vol 3, No 3 (2015): Edisi September 2015
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Abstract

Flood is one of the natural phenomena that cause huge losses. Population growth led to the needor increased settlements and land use changes. Rain water infiltration is reduced not only causingfloods but also droughts. Therefore, it is necessary to do environmental insightful flood control,such as retention pond. This research aims to plan and analyze the effect of making retention pondfor flood control.This research was conducted in Duana Street, Palapa Urban Village, Tanjung Karang PusatDistrict which is flowed by Way Simpur River. In this research, the hydrological analysis made ofrainfall data PH 001 Pahoman Station from 1995 to 2009. After having planned rain discharge,hydraulics analysis was executed to analyze the discharge capacity of the existing and planvolume of the storage pond. Calculations of infiltration rate were performed to calculate theabsorbed discharge. Furthermore, storage pond design plan and budget plan were made.In the analysis made, the value of planned rain discharge for 5 years return period is 5.0617m 3 /sec. Total capacity of the storage pond is 12,074.1058 m 3 . The time needed by pool fromvacant until full is 29.0202 minutes. Budget plan required in making this retention pond is Rp1,838,436,742.69. Based on the analysis performed, it was concluded that the retention pond iseffective enough to be used as one of the alternative flood control measures in urban areas.Keywords : flood, retention pond, flood control.
Pengaruh Variasi Waktu Perendaman Terhadap Daya Dukung Tanah Lempung Dan Lanau Yang Distabilisasi Menggunakan Semen Alward Farabi; Setyanto Setyanto; Iswan Iswan
Jurnal Rekayasa Sipil dan Desain Vol 5, No 1 (2017): Edisi Maret 2017
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Abstract

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 and given soaking treatment. 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 CBR soaking test with mixture of 9% cement with modified proctor compaction and cured for 28 days, CBR values decrease to 28,7% for clay that soaked for 28 days, while the CBR value for silt soil with the same condition descease to 37,8%. The soaking treatment is proven to decrease the value of CBR significantly compared with the optimum condition of both soil.
Analisis Hidrologi Untuk Penentuan Debit Banjir Rancangan di Bendungan Way Besai Nivitha, Mutya; Winarno, Dwi Joko; Kusumastuti, Dyah Indriana
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 Pergerakan Candra Superstore Terhadap Kinerja Jaringan Jalan Disekitarnya Novri Yanti Purba Tanjung; Rahayu Sulistyorini; Sasana Putra
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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Abstract

Bandar Lampung as a central economic city in Lampung. In terms of urban development, the mostprominent and rapidly is a shopping center, one of which is a shopping center Candra Superstore.The purpose of this research is to measure the traffic performance on the road and intersectionsthat being affected by Candra Superstore, as well as measuring the impact from the Candra's latemovement which is in this case is about the long queue and delays of vehicles that line up in frontof the entrance of the store that cause the traffic issues around the store, so that this problem couldbe solved.From the research that has been done, Candra Superstore traffic flow affected by the vehicle thatline up in front of the store and resulted in high traffic jam especially at the peak hours around ,because the vehicle is out of Candra lead to delays and long queues resulting congestion is quitehigh traffic jam in front of the line up Candra, especially at peak hours at 16:00 -17.00.Keywords: free flow speed, degree of saturation, capacity, long queues, delays at intersections
Studi Efektivitas Ruang Henti Khusus (RHK) Sepeda Motor Pada Simpang Bersinyal Jesicha Nainggolan; Aleksander Purba; Rahayu Sulistyorini
Jurnal Rekayasa Sipil dan Desain Vol 6, No 3 (2018): Edisi September 2018
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The increasing number of motorcycle vehicles, causing traffic congestion at the signal intersection in Bandar Lampung City. As an effort in reducing congestion, the government of Bandar Lampung city made Special Stopping Space (RHK) for motorcycles. The RHK is a space dedicated to arrange motorcycle queue place when stop at the signalized intersection during traffic light period. This study aims to examine the effectiveness of RHK at the signalized intersection, and it’s impact on saturation current increase and approach capacity compared to approach without RHK. The effectiveness and impact of RHK, was conducted by surveying traffic flow in the morning during peak hours using camera video in each selected approaches. The survey data obtained were analyzed using MKJI and compared with previous research. RHK increases saturation flow 7,3% - 17,5% and approach capacity 37,67% - 52,09%. In conclusion RHK is effective to be provided in signal intersection. Value of RHK filling level at Jl. P. Diponegoro - Jl. P. Diponegoro and Jl. Jend. Sudirman - Jl. Gajah Mada - Jl. Jend. Sudirman is less than 50% that indicates bad while at Jl. Jend. Sudirman - Jl. Jend. Sudirman and Jl. Dr. Susilo - Jl. P. Diponegoro is 50% - 80% that indicates moderate.  Keyword : RHK (SSSM : Special Stopping Space for Motorcycle), signal intersection, effectiveness of RHK, saturation current, capacity of the approach
Studi Kebutuhan Hotmix di Provinsi Lampung Frans Hasiholan Tanjung; Rahayu Sulistyorini; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 3 (2016): Edisi September 2016
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This study was conducted to assess about the increase of hotmix requirement that is required for National and Provincial highway projects in Lampung Province in the year of 2014 and 2015 as well as the estimated requirement for the next three years. From the analysis and graphs show that the need for a hot mix road projects of national and provincial roads in the province of Lampung is still to be fulfilled by the availability of hot mix in AMP . For 2015 showed an increasing demand hotmix maximum time span exceeding 5 months AMP production capacity on average per month. The results of the analysis predicted increase hotmix in 2018 experienced a considerable difference between the need and availability of hot mix and amounted to 2 times as much and AMP provided feared not being able to meet the demand of maximum hotmix. Keywords: Hotmix, Asphalt Mixing Plant (AMP), National Road Projects, Provincial Road Projects
Studi Pengaruh Penambahan Bahan Additive TX-300 Terhadap Kuat Tekan Batu Bata Pasca Pembakaran Alhadi Pratama Bintang; Setyanto Setyanto; Idharmahadi Adha
Jurnal Rekayasa Sipil dan Desain Vol 3, No 3 (2015): Edisi September 2015
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Along with the rise of civil construction such as housing or settlements, also increase the demandfor bricks. To be able to meet the needs of these bricks, brick production must be increased. Notonly an increase in production should be done, but the increase in terms of quantity and in termsof quality also needs to be done. One way to do is to add an additional mixture to the compositionof the brickyardIn this study used clay and additional materials TX-300 which has a variety of levels of 0.6 ml, 0.9ml, 1.2 ml and 1.5 ml with the purpose to improving the quality of the bricks, as well as comparingstrong press bricks by modifying the combustion time. Soil samples tested in this study is claywhich derived from Nyunyai street, Rajabasa, Bandar Lampung. Variations of burning time is usedfor one day, two days and three days.After doing research, from the fourth level, the compressive strength maximum average post-combustion bricks are at a level of 1.5 ml with a burning for two days. The compressive strengthvalue of 46.01 kg / cm2. This is due to the greater levels of TX-300, the greater the compressivestrength value, besides the most optimum burning time is for 2 days, this was due to theevaporation of water contained in the most optimum bricks are burning for two days.Keywords: Bricks, Clay, TX-300, Compressive Strenght
Analisa Stabilitas Lereng dengan Menggunakan Simplified Bishop Method Studi Kasus Kelongsoran Lereng Ruas Jalan Batas Kota Liwa Simpang Gunung Kemala STA.263+650, Bukit Barisan Selatan, Lampung Barat Fita Ratna Triastuti
Jurnal Rekayasa Sipil dan Desain Vol 4, No 4 (2016): Edisi Desember 2016
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Taman Nasional Bukit Barisan Selatan, Lampung Barat, adalah wilayah dengan curah hujan yang tinggi,hal ini telah mengakibatkan jurang di tepi ruas jalan Liwa-Simpang Gunung Kemala STA.263+650 mengalami kelongsoran dan mengikis sebagian bahu jalan. Diperlukan analisa stabilitas lereng untuk mengetahui faktor keamanan dari lereng yang mengalami kelongsoran. Salah satunya dengan menggunakan simplified bishop method yang dikontrol dengan menggunakan diagram Taylor. Dalam analisa ini digunakan data masukan parameter tanah, antara lain: kohesi (c), sudut geser dalam tanah (φ), sudut kemiringan lereng, berat volume tanah (γ) dan berat volume air (γw). Penentuan faktor aman divariasikan dengan 3 kondisi muka air tanah pada lereng, yaitu kondisi tanah submerged, kondisi tanah jenuh sebagian, dan kondisi tanah jenuh penuh.Dari hasil penelitian menunjukkan bahwa parameter tanah sangat berpengaruh terhadap stabilitas lereng. Kondisi lereng dengan muka air tanah jenuh penuh memiliki stabilitas paling kecil dibandingkan dengan kondisi lainnya. Berdasarkan hasil analisa yang dilakukan dengan simplified bishop method didapatkan nilai faktor aman 0,4. Sedangkan analisa yang dilakukan dengan diagram Taylor didapatkan nilai faktor aman 0,25.Kata kunci: stabilitas lereng, faktor aman, simplified bishop method, diagram taylor. 

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