Jurnal Rekayasa Sipil dan Desain
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Perencanaan Struktur Gedung 5 Lantai Menggunakan Balok dan Pelat Prategang Sesuai SNI 2847 2013
Get PDFIn multistorey building construction there are many types structural system that are being used such as reinforced concrete system, prestressed concrete system and composite system with its advantages in disadvantages. The purpose of this research was for designing 5 storey building using prestressed concrete for beams and slabs with SNI 2847-2013. From analysis results, the dimension of hollow core slab is 1200 x 7500 x 250 mm with Ø12,7-300 strands. The reinforcement of non prestressed HCS are Ø16-250 for main reinforcement and Ø13-300 for cross reinforcement. The 15 m span prestressed beam has dimension 800 x 500 mm with 24-Ø12,7 strands. Shear and torsion design with Ø16-140 as stirrups and 8D19 as longitudinal reinforcement. The 7,5 m span prestressed beam has dimension 600 x 425 mm with 4-Ø12,7 strands. Shear and torsion design with Ø16-100 as stirrups and 10D19 as longitudinal reinforcement. The dimension of column is 600 x 600 mm with 26-D22 as main reinforcement and Ø16-175 for shear reinforcement on maximum load. In prestressed system design that applied for beam and slab based on SNI 2847-2013 on 5 storeys building has much smaller rebar percentage than normal reinforced system
Dampak Keruntuhan Jembatan Lempuyang Pada Jalan Lintas Timur dan Lintas Penghubung Provinsi Lampung
Get PDFThe Indonesian Transportation System, which is still dominated by ground transportation, has made the road have a more dominant role in economic growth. The condition of road facilities and infrastructure also encourages economic growth among regions connected by infrastructure networks, so that it is expected that in various regions there will be equitable growth.The collapse of the Lempuyang bridge resulted in a change in the volume of traffic flow on the roads that became an alternative road. This volume change can directly affect the condition of the road designated as an alternative road, namely the eastern crossroad (Sukadana - Sp. Bujung Tenuk) and the Tegineneng Feeder - Sukadana road.The segment most affected by the damage to the Lempuyang bridge is the Central - Metro - Sukadana feeder segment. In the Central - Metro - Sukadana feeder there was an increase in the size of the slightly damaged road in May 2015 from 2014, from 2.52% to 9.03%. The value of severely damaged conditions in the Central - Metro - Sukadana feeder also increased where in 2014 it was worth 0.00% to 5.34% in May 2015. Keywords: East Cross Road, Lempuyang Bridge, Road Condition Valu
Analisis Risiko Proyek Konstruksi Studi Kasus Bendungan Way Sekampung Paket 2 Dengan Metode Failure Mode and Effect Analysis dan Domino
Get PDFThe Way Sekampung Dam construction project is one of the major projects in the province of Lampung. There are several risk involved in the construction of the project. According to Project Management Body of Knowledge (PMBOK), the risks contain in a project can be controlled through risk management. The purpose of this research is to identify and analyze the highest risks in the Way Sekampung Dam package 2 construction project. The data was gathered through a questionnaire that was developed based on previous similar studies. The respondents was recruited based on a purposive sampling method. Based on Failure Mode and Effect Analysis (FMEA) method, it can be concluded three highest occupational risk, namely concrete work in diversion building, tunnel excavation and dewatering work. Subsequently, a fishbone analysis was carried out to determine the basic risk factors. After that a Domino method was utilized to find out the response and efforts to handle those risk
Desain Penampang Sungai Way Besai Melalui Peningkatan Kapasitas Sungai Menggunakan Softwere HEC-RAS
Get PDFWay Besai river is located in Sumberjaya subdistrict, West Lampung district, Lampung. It is one of the sub river from Tulang Bawang river. Way Besai river has been used as a the electric power source, known as Besai hydropower. Besai Hydropower has decreased energy supply of 40 MW from the supply optimum can reachs 90 MW. his is due to the catcment area conditions of the Way Besai rivers are "metastable" so which effected in the shallowing of the cross-section quickly. So it needs the capacity increased of the cross-section of the river until the early condition where is the supply can reachs 90 MW.For the first step in improving the capacity of the Way Besai river needed hydraulics river simulation process that facilitated by using Hydrologic Engineering Center-River Analysis System (HEC-RAS) Program. HEC-RAS program can help to modeling the flow of cross-section of the river on the existing condition and normalization using the steady flow options and data input including maximum discharge data. The output of modeling using HEC-RAS program can be seen in the form of pictures and a table that presents the characteristics of a cross-section of the river.From the result of the analysis founded that to reach the normalization condition, needs the dredging until the elevation +713,00 level, with 2.435.590,09 m3 of volume capacity of dredging. When the water level of the river reachs Full Supply Level (FSL) elevation that is on elevation +722,00 level founded that the maximum discharge in the downstream in the amount of 57,19 m3/s, with water volume capacity in the 1.471.185,77 m3. For the Reservoir Surface Area in Way Besai river has increased with 28,6% from the exsisting condition that recorded from Sta 0+000 level until sta 3+391,45 level Keywords: Debit ,HEC-RAS, Manning calibration , Normalization, River
Pengaruh Pergerakan Candra Superstore Terhadap Kinerja Jaringan Jalan Disekitarnya
Get PDFBandar 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 intersection
Analisis Layout Shearwall Terhadap Perilaku Struktur Gedung
Get PDF Shearwall is one of alternative solution in planning of building structure for earthquake-resistant. Shearwall is able to affect stiffness of the building structure and provide a structure with good ductility, so as to minimize the damaged caused by earthquake shaking. This study aimed to analyze the positioning of shearwall on a building structure models using non-linear static analysis (Pushover) In the analisys, shearwalls on each models are placed at different position. The performance of the building structure was analyzed using SAP2000 program. The result of the analysis is a form of drift ratio on each model of the buliding structure. From the result obtained drift value ratio on without shearwall model, model 1, model 2, model 3, model 4, model 5, model 6 in the X direction in sequences as follows: 54 x 10-8; 48 x 10-8; 42 x 10-8; 30 x 10-8; 28 x 10-8; 8 x 10-9; 8 x 10-9 . While in the Y direction as follows: 77 x 10-5; 66 x 10-5; 62 x 10-5; 51 x 10-5; 23 x 10-5; 15 x 10-5; 14 x 10-5. So we can conclude that model 6 has better performance compared to other models. Then, the optimum model of positioning ot the shearwalls is model 6. keywords: SAP2000, pushover analysis, shearwall, erathquake load.
Studi Dan Analisa Campuran Tanah Lempung Dan Abu Sekam Padi Terhadap Nilai Permeabilitas Dengan Alat Falling Head
Get PDFSoil permeability value for every construction is different. Such differences affect the strength of acivil construction to be built. Therefore it is necessary to attempt to manipulate the soilpermeability value by adding the additive to a soil permeability values obtained in order to meetthe standard of civil construction to be built. Among the many additives are used as soilstabilization materials, one of them is rice husk ash. Some recent researches in the field of CivilEngineering showed that rice husk ash mixture useful as a particularly clay soil stabilization.Because rice husk ash can fill the cavities that exist between the grains of ground.Soil samples tested in this study is clay derived from Perumahan Bhayangkara, KelurahanBeringin Jaya, Kecamatan Kemiling, Bandar Lampung. Rice husk ash used were obtained fromDusun Dantar, Kecamatan Padang Cermin, Kabupaten Pesawaran. This study was conducted todetermine the effect of rice husk ash to the soil permeability values.The results of analysis and calculations performed in the laboratory obtained averagepermeability value (k) for soil with 5% rice husk ash added, 10% rice husk ash added, and 15%rice husk ash added. The permeability value used to be compared with native soil (clay).Key words: clay, rice husk ash, permeability
Variasi Jumlah Tumbukan Terhadap Uji Karakteristik Marshall Untuk Campuran Laston (AC-BC)
Get PDFThis 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
Analisa Hidrologi dan Hidrolika Saluran Drainase Box Culvert di Jalan Antasari Bandar Lampung Menggunakan Program HEC-RAS
Get PDFThis research was conducted to know the Rainfall Intensity in Antasari area using Intensity Duration Frequency curve (IDF) knowing at what time of year again when the maximum discharge channel in Antasari will be exeeted and to know drainage channels capacity in Antasari based on hydrology analysis and hydraulic using HEC-RAS.The calculations performed by using minutely rainfall data obtained from BKMG Panjang, Bandar Lampung from 2000 until 2011. After checked based on statistical parameters, using Log Pearson III methods to find rain plan based on 2 years, 5 years and 10 years return period. The results were made in IDF curve by connecting consentration time to IDF curve obtained rainfall intensity for each return period. This intensity value will be inserted into the rational formula to obtained the discharge plan value for each return period. The discharge value will be inserted to channels modelling made on HEC-RAS program. it can be obtained for what return period the discharge will be exceeded. The hydrology analysis and hydraulic performed again by using trial and error model. it can obtained the channel capacity.Based on these results, it can conclude that the rainfall intensity is 58 mm/hour for 2 years return period, 76 mm/hour for 5 years return period and 115 mm/hour for 10 years return period of time. The channels capacity exceeded for 10 years period of time and channels capacity is 1,09 m3/hour.Key words : Intensity, Rasioanal method, HEC-RAS, capacit
Analisa dan Solusi Kemacetan Lalu Lintas di Ruas Jalan Kota (Studi Kasus Jalan Imam Bonjol - Jalan Sisingamangaraja)
Get PDFBandar 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 ofintersectio