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Priyo Pratomo
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Civil Engineering, Building, Construction & Architecture

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Evaluasi Kinerja Angkutan Massal Bus Rapid Transit Pada Koridor Rajabasa - Sukaraja Nurfadli Muhammad; Dwi Heriyanto; Priyo Pratomo
Jurnal Rekayasa Sipil dan Desain Vol 3, No 2 (2015): Edisi Juni 2015
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The growing population and the increasing economic growth in the city of Bandar Lampung haveled to expanding geographic mobility within the city. The provision of a mass transit system,therefore, is vastly indispensable for anticipating high traffic densities. This study was trying toexamine whether the operational performance of trans-Bandar Lampung buses, or called “BusRapid Transit” (BRT), has conformed to the existing standards. The results are expected to betaken for consideration by the municipal government when adopting policies to improve BRT’soperational performance and to scale back traffic jams.The study focused only on one corridor, the Rajabasa-Sukaraja corridor, and used the World Bank(1986) standards as the reference. Observations were then made in three days: Monday andThursday to represent workdays, and Sunday to represent days off, with each observation dayspanning from 6.00 a.m. to 6.00 p.m.The results reveal that time headway, 6.29 minutes (on the Rajabasa-Sukaraja corridor), and tripspeed, 25.45 km/h, have met the World Bank’s standards. However, traveled distance, 112.36 kmper vehicle, and load factor, 20.53%, are below the given standards. This low load factor has led tosmall revenue per vehicle, i.e. only Rp346,503.56. Dividing the amount by the operating cost(operating ratio) per vehicle gives us a value of 0.7 (less than 1). In other words, the BRT systemhas been operating at a loss.In the final analysis, it is vital that the municipal government take strategic policies to reduce thenumber of minibuses, or angkot, that operates on the same corridor as the BRT buses’, so thatmore passengers will shift to these BRT buses. The government should also grant subsidiesimmediately to make up for the loss currently being suffered by this BRT.Keyword : BRT, trans-Bandar Lampung bus, Rajabasa, Sukaraja, time headway, load factor.
Optimalisasi Tebal Perkerasan Pada Pekerjaan Pelebaran Jalan dengan Metode MDPJ 02/M/BM/2013 dan Pt T-01-2002-B Andriansyah Andriansyah; Priyo Pratomo; Hadi Ali
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
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Every year, goverment incur huge cost for development of facilities and infrastructures oftransportation, especially land transportation development by increasing the road capacity. Thiscapacity expansion is done by widening the road, especially on roads that can no longeraccommodate the volume of vehicles or roads that predicted will be passed by the high volume ofvehicles. Therefore, it is required pavement thickness design solutions that based on a life cyclecost analysis and the lowest consideration of construction resources to the minimum life cycle costdesign.This research was conducted in A. H. Nasution Street, on Metro - Gedung Dalam segment. Todetermine the flexible pavement thickness, this research uses “Manual Desain Perkerasan Jalan02/M/BM/2013”, “Pedoman Perencanaan Tebal Perkerasan Lentur Pt T-01-2002-B” and“Perencanaan Tebal Perkerasan Lentur Jalan Raya dengan Metode Analisa Komponen 387-KPTS-1987 methods”. After that, analyze the road deterioration that will happen during the lifedesign or life cycle design that based on the value of IRI. The results of life cycle design wasdeveloped to get the best pavement type that based on the life cycle cost analysis.From the analysis that has been done, the design with the lowest initial cost is a pavement designby using Bina Marga Pt-T-01-2002-B method, whereas the design with the lowest life cycle cost isa pavement design by using MDPJ 02/M/BM/2013 method and the most optimal pavementthickness.Keywords : flexible pavement, life cycle cost, life cycle design, IRI
Pengaruh Pemanfaatan PET pada Laston Lapis Pengikat Terhadap Parameter Marshall Putri Ajeng Prameswari; Priyo Pratomo; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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Utilization of plastic waste can be used as an ingredient added to the binder layer of asphaltconcrete (AC-BC). The purpose of this study was to determine the characteristics of the Marshallparameters due to the addition of PET (Polyethylene Terephthalate) in the binder layer of asphaltconcrete (AC-BC) using the method of Marshall and refer to the specifications of Highways, 2010.The research was carried out by adding pieces of PET in the asphalt mix using the dry method.Before adding PET to the asphalt mixture, first making a specimen of middle limit gradation andupper limit gradation. The value of Optimum Asphalt Content (KAO) obtained in the two groupsof test object is equal to 6.44%. Furthermore, the addition of PET in the asphalt mix on the KAOvalue. PET levels are added to the mixture which is 2%, 4%, 6%, 8%, and 10% of the weight ofthe asphalt. From the results of the testing and analysis of Marshall, the addition of PET onasphalt concrete binder layer can increase the value of stability. The most of stability value is onthe addition of 2% PET. Value stability due to the addition of PET in the asphalt mix increasedcompared to asphalt mixture without PET. Levels of PET good addition to the asphalt mixture thatis 2% because in addition to high stability values, parameters such as VIM Marshall, VFA, VMA,MQ and Flow also has qualified specification of Highways, 2010.Keywords: AC-BC, PET, stability, Marshall parameter, specification of Highways 2010
Perubahan Parameter Parameter Marshal Akibat Perbedaan Jumlah Tumbukan pada Aspal Concrete – Wearing Course (ACWC) Gradasi Halus Teguh Dwi Istanto; Priyo Pratomo; Hadi Ali
Jurnal Rekayasa Sipil dan Desain Vol 3, No 2 (2015): Edisi Juni 2015
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This study was conducted to see the changes in the value of the parameter values marshall afterthe number of collisions in the standards vary the amount of the collision then analyzed thenumber of collision and then analyzed the number of collisions are most effective assessed on thevalue of the characteristic marshall. In the Marshall planning standard for the number ofcollisions of heavy traffic conditions compaction test specimen as 2x75 collision with a mixturecavity boundary between 3.5-5%.This study uses gradation Asphalt Concrete - Wearing Course (AC-WC) smooth gradations formiddle and upper limits. From the data obtained aggregate gradation and asphalt aggregatedemand needs are used to find the optimum bitumen content that is used in the manufacture of testspecimens for variations in the number of collisions is 2x55, 2x65, 2x75, 2x85, and 2x95. Marshallthen test to see the number of collisions are most effective against the characteristics of asphaltmixture.Based on the analysis of the data processing is obtained that the value content of asphalt is used tolimit the middle that is 5.7% and the upper limit of 6.5%. Total Collision 2x75 and 2x85 that meetsall the parameters marshall. For the number of collisions 2x55 and 2x65 obtained small stability,voids In The Mix (VIM) is great and does not make the specification, to the number of collisions2x95, obtained great stability and voids In The Mix (VIM) is small and does not get in thespecification.Keywords: Collision, Marshall, Asphalt Concrete - Wearing Course (AC-WC), Smooth Gradation
Pengaruh Suhu Tumbukan pada Campuran Aspal Beton dengan Jenis Lapis AC-WC Gradasi Halus Wahyudi Wahyudi; Priyo Pratomo; Hadi Ali
Jurnal Rekayasa Sipil dan Desain Vol 3, No 2 (2015): Edisi Juni 2015
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This study was conducted to determine the effect of temperature on the Marshall parameterscompaction to mix AC - WC subtle gradations central limit. Optimum Asphalt Content Value(KAO) in the study sought to use 15 samples and done in the laboratory of Highway University ofLampung. From the analysis of the Marshall parameters obtained KAO mixture is 5.7%. Marshallparameter data retrieval is done twice trials, each experiment using 2x24 samples with the sametreatment for each experiment. Compaction temperature is 120 o C-155 o C is reviewed by varasi5 o C.From the results of experiments that have been conducted, Marshall parameter valuesobtained in experiment 1 and experiment 2 is not too much different. In general, the Stability,Flow, VMA and VFA qualify specifications bina marga 2010, the MQ does not meet thespecifications of 135 o C or lower temperatures and VIM value does not meet the specifications of130 o C or lower temperatures.Based on the tendency of marshall parameter values obtained fromexperiment 1 and experiment 2 indicate that the data obtained from these experiments hasparticularly a small false possibility.Keywords: AC-WC, KAO, Marshall parameter, temperature compaction,
Variasi Jumlah Tumbukan Terhadap Uji Karakteristik Marshall Untuk Campuran Laston (AC-BC) Antonius Situmorang; Priyo Pratomo; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
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This study aims to determine the impact that variations in the number of collisions on thecharacteristics of the mixture laston (AC-BC) with reference to the Specifications Bina Marga,2010.This study uses a gradation on common specifications, 2010 for a mixture of Asphalt Concrete -Binder Course (AC-BC) fine gradations for middle limit and lower limit.Based on the analysis of data processing obtained that the bitumen content is used for middle limitis 6.75% and the lower limit of 7.1%. From the test results on a collision Marshall 2x55, 2x65,2x75, 2x85, 2x95 in the middle of the boundary does not meet all the parameters because the valueof Marshall Marshall Quotient (MQ) and value of voids Filled With Asphalt (VFA) did not enterthe specifications Bina Marga, 2010. While testing the limits Marshall Under the collision 2x55,2x65, 2x75, 2x85 Marshall has met all parameters. Only on collision that does not meet theparameters 2x95 Marshall because the value of Marshall Quotient (MQ) does not make anySpecification Bina Marga, 2010.Keywords : Number of CollisionsConcrete - Binder Course (AC - BC)
AC-WC Mixed Characterstics With Temperature Version of Mixing Rainal Rainal; Priyo Pratomo; Rahayu Sulistiyorini
Jurnal Rekayasa Sipil dan Desain Vol 3, No 2 (2015): Edisi Juni 2015
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This study was conducted to determine the effect of temperature variations on the mixing processof the hot mix asphalt (hot mix asphalt) to Marshall parameters with reference to the specificationof Bina Marga, 2010.Variations in mixing temperature 125 o C, 135 o C, 145 o C, 155 o C, 160 o C AC-WC layer smoothgradations center limit with asphalt content of 5.7%, at a mixing temperature of 125 oC does notmeet the Bina Marga specifications, because the value of the air voids in the mix (VIM) at atemperature of 125 o C at 5.611%, which exceeds the minimum standards at 3.5% to 5%. As for thetemperature variation of 135 o C to 160 o C mixing has met the minimum value of the Marshallparameter. Next to the mixing temperature variations upper limit 6.8% asphalt contenttemperatures are not eligible to be in a temperature of 125 o C. Due to a temperature of 125 o Cvalue of the cavity filled with asphalt (VFA) of 62.718% below the minimum standard value that isequal to 65%. As for the value of air voids in the mix (VIM) which exceeds the minimum value of5% is in the temperature 125 o C, 135 o C, 145 o C which each value by 7.778%, 6.8919%, 6.2490%,and then at a temperature of 160 o C for 3 , 1429% of the value below the minimum value of 3.5%.Only at a temperature of 155 o C which meet Marshall parameter values.Keywords : Temperature, Asphalt Concrete-Wearing Course (AC-WC), Marshall Parameter ,BinaMarga Specification 2010.
Pengaruh Suhu Pemadatan Campuran Untuk Perkerasan Lapis Antara (AC-BC) Budi Raharjo; Priyo Pratomo; Hadi Ali
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
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The main objective of this study was to determine the influence of variations of temperaturechanges on the asphalt compaction process heat (hot mix asphalt) layer between (AC - BC)against Marshall parameter with reference to the specifications of Highways in 2010.Based on the analysis of data processing obtained that the value content of asphalt used formiddle limit is 6.1 % and the lower limit of 6.85 %.Based on the analysis of data processing obtained that the value content of asphalt used formiddle limit is 6.1 % and the lower limit of 6.85 %. From the test results Marshall at atemperature of 135oC, 145oC and 155oC in the middle limit has met all the parameters Marshall.Only at a temperature of 125oC and 115oC that do not meet the parameters Marshall Void in valuedue Mix (VIM) and the Marshall Quotient (MQ) do not enter Specifications Highways Marshall2010. While testing the lower limit on the temperature 115oC, 125oC and 135oC does not meet allthe parameters Marshall, because the value of Marshall Quotient (MQ) did not enter thespecifications of Highways in 2010 .Keywords : Solidification temperature , Specification for Highways 2010, Marshall , AsphaltConcrete - Binder Course (AC - BC)
Studi Karakteristik Marshall Pada Campuran Aspal Dengan Penambahan Limbah Botol Plastik Suhardi Suhardi; Priyo Pratomo; Hadi Ali
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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This experiment aims to investigate the Marshall characteristics due to the variation addition ofPET (Polyethylene Terephthalate) at mixtures AC-BC (Asphalt Concrete-Binder Course) finelygraded with reference to the specification of Bina Marga 2010.From the result of aalysis has obtained the values of Marshall parameters, the value of the 1 stobject groups test and 2nd object groups test, for the parameters marshall meets the specificationsalready determined by the Bina Marga 2010 on the asphalt level range 6.38% up 6.5%, and theoptimum bitumen content value has been obtained is 6.44%.This research proves that with the addition of variations of PET (Polyethylene Terephthalate) in amixture of AC-BC (Asphalt Concrete-Binder Course) was affected to the Marshall characteristics,as high as the levels of addition PET (Polyethylene Terephthalate) so the value of stability willincrease but the percentage of the value of void content in the mix will be higher.Keywords: AC-BC(Asphalt Concrete-Binder Course), Marshall, PET(Polyethylene Terephthalate)
Variasi Temperatur Pencampuran Terhadap Parameter Marshall pada Campuran Lapis Aspal Beton Sarkis Enda Raya S; Priyo Pratomo; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 3, No 3 (2015): Edisi September 2015
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This study was conducted to determine the effect of temperature variations on the mixing processof the asphalt concrete AC-WC (Asphalt Concrete-Wearing Course) subtle gradations in themiddle limit and lower limit of the Marshall parameters with reference to specifications of BinaMarga, 2010.From the results of experiments conducted that the optimum asphalt content is used to middle limitusing a asphalt content of 5,7% and 6,8% for the lower limit after that mixing was done usingtemperature variation of 120 o C, 130 o C, 140 o C, 150 o C, and 160 o C.To a mixture of Laston AC-WC subtle gradations middle limit grading 5,7% asphalt contentmixing temperature using a temperature of 120 o C, 130 o C, 140 o C, 150 o C, 160 o C and still meet allstandards of marshall parameters. Ideal mixing temperature variations in the middle limit ofmixing temperature 150 o C-160 o C. While the lower limit to the level of 6,8% asphalt contentmixing temperatures between 120 o C-160 o C did not meet the specifications, because the MQ valuebelow the minimum value of 250 kg / mm.Keywords: Mixing temperature, 2010 Specification, Marshall, Asphalt Concrete-Wearing Course(AC-WC) Subtle Gradation.
Co-Authors Alvio Rini Andriansyah Andriansyah Antonius Situmorang Budi Raharjo Danu Wahyudi Dwi Herianto Dwi Heriyanto Hadi Ali Nurfadli Muhammad Ponco Sugiarto Putri Ajeng Prameswari Rahayu Sulistiyorini Rahayu Sulistyorini Rainal Rainal Rindri Mutohir Sarkis Enda Raya S Sasana Putra Suhardi Suhardi Teguh Dwi Istanto Wahyudi Wahyudi Yuliansyah Yuliansyah