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"Vol 16, No 1 (2012): Edisi April Tahun 2012"
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<![CDATA[Sampul Muka Jurnal Rekayasa Edisi April Tahun 2012 ]]>
<![CDATA[Ahmad Zakaria]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[Sampul Muka Jurnal Rekayasa Edisi April Tahun 2012]]>
<![CDATA[Daftar Isi Jurnal Rekayasa Edisi April Tahun 2012 ]]>
<![CDATA[Zakaria, Ahmad]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[Daftar Isi Jurnal Rekayasa Edisi April Tahun 2012]]>
<![CDATA[Model alat uji permeabilitas lapangan untuk jenis tanah lempung. ]]>
<![CDATA[Andius Dasaputra]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[The amount of water flowing through a certain area can be represented by the coefficient ofpermeability. Coefficient of permeability value is obtained by conducting laboratory test such asfalling head permeameter (FHP) or constant head permeameter (CHP). The equipment developedin this research can be used for field permeability test directly on the soil. The result of the testshows that the equipment can be used to determine coefficient of field permeability for clay type ofsoil. Results of permeability test based on FHP shows a little difference from the data based on theequipment model. Test on the field from 8 point location around Faculty of Engineering, LampungUniversity show that coefficient of permeability for clay about 10-6 until 10-7 cm/sec. This showsthat the equipment performs well for determining coefficient of permeability for clay soil.]]>
<![CDATA[Kajian potensi jalan alternatif Gedongtataan-Beranti ditinjau dari penghematan waktu dan biaya ]]>
<![CDATA[Arief Budi Atmoko]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[Along with the development of the region, the road to Radin Intan II Airport is now very crowdedand jammed so that it takes an alternative road. This study examines the potential for an alterna-tive way to Gedongtataan – Branti terms of saving time and cost. Car survey method used to de-termine the value of time travel saving taken while the observational method used to determinethe Vehicle Operating Costs (VOC). From the results of the discussion and analysis has been doneto obtain the benefits of development of the travel time and cost savings is the magnitude of thevalue of time savings for 5 years Rp 69.377.544.884,00 and then compared with the estimated costof construction Rp. 66.500.000.000,00, So the value of the benefits of road construction is aboutRp 2.877.544.884,00 and the value of vehicle operating costs for 5 years Rp. 67.161.235.626,00compared with the estimated cost of construction Rp. 66.500.000.000,00 so value of benefits aboutRp. 661.235.626,00. While this is still a global picture of the way benefits are worth the time andvehicle operating costs. If further study on the benefits that are not measurable (intangible bene-fits) such as regional development, community economic enhancement, smooth movement, pollu-tion reduction and so on, then the benefits will be far greater.]]>
<![CDATA[Kapasitas ultimate balok tersusun kayu - plywood terhadap kekuatan lentur balok ]]>
<![CDATA[Edi Purwanto]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[The use of wood in construction is very much utilization. Wood is known as plywood or plywood isone of the commonly used wood products. Use plywood nowadays more as a raw material in fur-niture. Plywood timber has not been widely used as a construction material that can withstandstructural loads such as beams. This study was conducted to determine the magnitude of the in-crease load capacity that can be supported by wood-plywood which has been prepared with a par-ticular arrangement, especially in bending strength, and the possibility to be applied as a struc-tural beam for a relatively heavy load. By knowing the flexural strength of the beam composed ofwood - plywood is expected to optimize the use of wood in construction plywood as a material thatis able to receive the load on the structure.]]>
<![CDATA[Pengaruh penambahan clean set cement (C5-20) pada stabilitas tanah gambut ditinjau dari nilai permeabilitas ]]>
<![CDATA[Muhammad Jafri]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[Salah satu alternatif bahan tambah yang digunakan untuk stabilisasi adalah menggunakan sistemsoil cement, dimana yang digunakan untuk bahan stabilisasi adalah clean set cement. Stabilisasitanah dengan menggunakan sampel tanah gambut (peat) di Propinsi Lampung dengan bahanclean set cement dilakukan dengan studi penyelidikan di laboratorium dengan pengujian beratjenis, pengujian batas atterberg, pengujian kepadatan, pengujian permeabilitas untuk mengetahuinaiknya kekuatan tanah gambut sebagai lapisan tanah dasar. Penelitian yang dilakukan denganmenggunakan 3 macam campuran: (a) Tanah gambut + 4% clean set cement, (b) Tanah gambut +8% clean set cement dan (c) Tanah gambut + 12% clean set cement. Hasil penelitianlaboratorium mekanika tanah menunjukkan bahwa peningkatan maksimum daya dukung tanahterdapat pada campuran tanah gambut ditambah 12% clean set cement dengan 14 hari waktupemeraman (delay time). Peningkatan kekuatan tanah dapat dilihat dari hasil pemadatan tanahyang semula memiliki kadar air optimum sebesar 62% turun menjadi 55,8%, berat isi keringtanah meningkat dari semula sebesar 0,676 gr/cm3 naik menjadi 0,770 gr/cm3, dan koefisienpermeabilitas yang semula 6,031 x 10-5 cm/detik turun menjadi 0,883x10-5 cm/detik. Peningkatankekuatan tanah tersebut disebabkan terjadinya pengikatan antara butiran-butiran tanah olehcampuran clean set cement dan lamanya waktu pengikatan dengan pemeraman. Hasil penelitianmenunjukkan bahwa tanah akan terus meningkat kestabilannya sampai pada batas optimumapabila kadar clean set cement ditambah atau dipakai clean set cement seri CS 20 (untuk tanahorganik tinggi dan gambut) dan waktu pemeramannya lebih lama.]]>
<![CDATA[Penerapan Modeling Transportasi Sebagai Dasar Penyusunan Rencana Induk Jaringan Jalan ]]>
<![CDATA[Rahayu Sulistyorini]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[In the development of transportation, government had role as guidance, so they have obligated toprepare and formulated transportation policy, control and monitor implementation of transporta-tion. One obligation referred to is setting transportation infrastructure network and level of ser-vice. Other important thing is performing prediction the movement of passengers and goods espe-cially on each point of transportation movement, related to road network master plan.The main objective of this research is the application of modeling transport in road network plan-ning. Other policies that will follow are the settings and policies regarding to freight circulation interminal, the recommendation of public transport and road network system. Four stages of trans-portation planning is used as a research method.The result of this study is recommendation that necessary to preserve transportation service in ru-ral areas to develop primary transportation based on community and land use development. Rec-ommendation of road network master plan is resettle of road level and function based on activity,new corridor development connecting under development area and nationality conection.]]>
<![CDATA[Analisis Model Jembatan Bentang Akibat Beban Gempa ]]>
<![CDATA[. Suyadi]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[In accordance the standard bridges, seismic loads must be taken into account in the combinationof loading conditions. Often the continous bridge model is a choise, especially on the model ofbridges with spans of more than 1 (one). This analysis focused on the piers of a bridge that consitsof 5 (five) spans. The variable in this model is layout of continous or simple beam. In this analysismade 5 (five) types of the bridge. To obtain the optimal and accurate design, use a dynamicanalysis by response spectrum based on the PGA value in SNI 03-1726-2002. With the pushovermethod using SAP 2000 software will be acquired and the value of Demand and CapacityDisplacement, so can to know the feasibility on the piers of a bridge modeled. Results of analysisthat only model IV incapable supporting the magnitude of longitudinal displacement. As for thetransverse direction of all the models capable to hold the magnitude of transverse displacement.Ductility of pier P1 and P2 for all models meet the requirements of the maximum ductility μD ≤ 5for multiple piers. Overall, the optmum behavior performance to resist earthquake loads is themodel II.]]>
<![CDATA[Korelasi IRMS dan BMS Terhadap Tingkat Pelayanan Ruas Jalan Nasional ]]>
<![CDATA[Yohanes Martono Hadi]]>
<![CDATA[ Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 1 (2012): Edisi April Tahun 2012 ]]>
Publisher : <![CDATA[UNIVERSITAS LAMPUNG ]]>
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<![CDATA[The road is expected to meet the criteria of "Fast, Nyama, Safe, Beautiful and Sustainable" ascriteria for reviewing the performance of roads. Evaluation or study was conducted to review oneaspect of road based on speed or travel time required by the traffic on the roads, and theevaluation is done by correlating the data IRMS (Integrated Roads Management System) and BMS(Bridges Management System) to services section one way to road performance component of"travel time" traffic required for condition of roads and bridges on the road conditions, theprimary and secondary data conducted in 2010 on the national road network in the province ofJambi using data IRMS in 2010 and BMS in 2009. This study aims to review the performance ofthe street on the national road network in the province of Jambi. Thus it can be taken a linkagethat the travel time required by the traffic to move from one place to another are affected by thecondition of roads and bridges on the road, up to now the results of the IRMS and BMS as aninstrument (Benchmark / Standard) used by policy makers as a basis for determining future goodprogram planning, maintenance, and development. While the actual conditions on the ground arenot in accordance with the results of the IRMS and BMS were taken by decision of the currentconditions specified policy.]]>
