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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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Aplikasi Tekanan Pada Roda Kendaraan Alat Berat di Lapangan untuk Proses Pemadatan Tanah terhadap Daya Dukung Lapisan Tanah Dasar (Subgrade) Tessya Febrania; Setyanto Setyanto; Rahayu Sulistyorini
Jurnal Rekayasa Sipil dan Desain Vol 7, No 1 (2019): Edisi Maret 2019
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Daya dukung tanah dasar/subgrade pada konstruksi jalan sangat menentukan, nilai daya dukung tanah dinyatakan dengan nilai California Bearing Rasio (CBR). Pada penelitian ini membahas mengenai aplikasi tekanan pada roda kendaraan alat berat di lapangan untuk proses pemadatan tanah terhadap daya dukung lapisan tanah dasar (subgrade). Sampel tanah yang digunakan pada pengujian ini berasal dari daerah Tirtayasa, Kec. Sukabumi, Bandar Lampung. Pengujian sampel menggunakan alat tekan modifikasi sebanyak delapan belas sampel untuk pemadatan standar, tekanan yang digunakan dalam pengujian sebesar 2,7 MPa, 7 MPa dan 8,4 Mpa.Hasil pengujian di laboratorium sampel tanah digolongkan sebagai kelompok tanah A-2-7 yaitu tanah berlempung. Nilai CBR tanpa rendaman dari pengujian pemadatan tanah menggunakan standard proctor sebesar 2,7%, sedangkan untuk nilai CBR rendaman sebesar 2%. Nilai CBR tanpa rendaman dari pengujian pemadatan tanah dengan metode tekanan pada masing-masing tekan sebesar 3,9%, 5,4% dan 5,8%, sedangkan untuk kondisi rendaman didapatkan nilai CBR sebesar 0,25%, 1,57% dan 1,83%. Nilai CBR mengalami peningkatan seiring bertambahnya tekanan yang diberikan pada sampel.Kata kunci: Alat tekan modifikasi, alat berat, Standard Proctor, California Bearing Rasio (CBR), pasir berlempung.
Design of Flat Plate with Equivalent Frame Design Method and Finite Element Method Fajar Putra Sanjaya; Bayzoni Bayzoni; Eddy Purwanto
Jurnal Rekayasa Sipil dan Desain Vol 6, No 4 (2018): Edisi Desember 2018
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The flate plate is a thick, evenly solid concrete plate that transfers the load directly to the support column without the aid of a beam or shear head or drop panel. This type of plate can be made quickly because of the formwork and simple reinforcement arrangement.  The flate plate is planned to be uniform with dimensions of 5000x4000 mm as many as 9 panels, plate thickness of 150 mm with 25 MPa concrete quality, quality of reinforcement 280 MPa and based on the provisions of SNI 1727; 2013 and SNI 2847; 2013. Flat plate analysis uses the equivalent frame design method, finite element method and SAP 2000 and Microsoft Excel programs. Based of the results of the analysis, the comparison value of moments between the portal method equivalent to SAP 2000 is equal to, whereas between finite element methods and SAP2000 is equal to. In the reinforcement plan, the number and diameter of the reinforcement were obtained in terms of the greatest moment value resulting from the analysis of the equivalent frame design method Keywords: Flat plate, Equivalent Frame Design Method, Finite Element Method
Sediment Analysis in the Way Besai Hydroelectric Watershed Using the USLE Method (United Soil Loss Equation) Fitriya Rahmawati; Dwi Joko Winarno; Dyah Indriana Kusumastuti
Jurnal Rekayasa Sipil dan Desain Vol 6, No 4 (2018): Edisi Desember 2018
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Way Besai hydropower station is located in Way Besai river basin (watershed) with most watersheds surrounded by mountains that cause erosion resulting in sediment buildup. The purpose of this research is to know the degree of erosion hazard and to know the sediment by the Universal Soil Loss Equation (USLE) method in Way Besai Watershed. The location of this research was conducted at Way Besai Sub River Watershed, Tulang Bawang Watershed, West Lampung Regency with Way Petai as the control point. The data needed in this research is the limitation of Way Besai Watershed catchment, land use data and land type at Way Besai Watershed catchment area. From the result of sedimentation analysis with USLE method, it can be known that the erosion rate of Way Besai Watershed catchment area is 305.03 ton/ha/year which is classified as Class IV Hazard Erosion or heavy and sedimentation of Way Besai Watershed catchment area is 165.079,13 ton/year.
Perencanaan Teknis Rehabilitasi Ruas Jalan Tirtayasa ( Studi Kasus Simpang Antasari - Simpang Sutami) Kusnadi Kusnadi; I Wayan Diana; Aleksander Purba
Jurnal Rekayasa Sipil dan Desain Vol 7, No 2 (2019): Edisi Juni 2019
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 Road is an infrastructure of land transportation which is very important for the growth of life because the road is a link between one region to another. In its use, the road always carries heavy loads every time someone crosses it so that it will be vulnerable for damage to occure  at the road surface and pavement structure.One effort to prevent more serious damage to the road is by conducting road rehabilitation such as patching and overlay thickness with the aim of restoring pavement strength so as to provide optimal service to road users. For this reason, a road rehabilitation plan is needed so that it is able to withstand the traffic load that passes through the road and has the as planned age.The purpose of this study was to determine the level of road damage on the Tirtayasa road section. To find out the method of improvement that can be done based on the level of damage and to find out the costs needed to repair the Tirtayasa road.This study begins with data collection and road damage conditions such as groove depth of cracks and holes resulting from visual survey.Analysis of the road conditions based on SDI values, for the Tirtayasa road along 4.8 km, with good conditions (75%), moderate conditions 0.4 km (6.25%), mildly damaged conditions 1.2 km (18, 75%), and 0 km (0%) is severely damaged, so that rehabilitation is done in the form of patching and overlay and the overlay and patching on the Road segment Tirtayasa needs a budget of Rp. 3,254,555,000.00Keywords: planning, technical road rehabilitation
Evaluasi Kebutuhan Dan Kinerja Pelayanan Parkir Dan Sistem Antrian Pada Pusat Perbelanjaan Di Bandar Lampung (Studi Kasus: Areal Parkir Transmart Carrefour Bandar Lampung) Arya Nugraha; Sasana Putra; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 7, No 3 (2019): Edisi September 2019
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The purpose of this research is to analyze the performance of the queuing system and parking needs at Bandar Lampung Mall Transmart Carefour. With various kinds of facilities available at Transmart Carrefour Mall, it can affect the number of visitors or the number of customers who come. The survey was conducted for 1 day and the observations were carried out for 10 hours at 10:00 to 20:00 WIB.This research was conducted in the parking area of the Transmart Carefour Mall and this survey included recording the number of vehicles, recording the number of vehicle police and the service time of vehicles entering and leaving the study site. The results of research on parking needs obtained the highest accumulation occurred on Saturday at 15.01-15.30 WIB namely 162 vehicles. The unit of car parking space (SRP) currently is 300 slots. With the accumulation and number of parking spaces, the available parking lots are not enough in the standard value but what happens in the field, the SRP can still accommodate customers who come. The highest average arrival rate at the entrance is 16 vehicles/hour with a service time of 15.6 seconds/vehicle. Thus there is still a lot of freedom in the parking gate, with the gate idle probability value of 0.366, so the parking gate is not too busy. Keywords: Parking Accumulation, Parking Space Unit, Arrival Rate, Service Time
The Effect Of Percentage Of Asphalt Mixed Recycling Materials On Characteristics Of Mechanical Mixed Heat Asphalt AC – WC (Achalt Concrete - Wearing Course) Sofyan Ramadhan; I Wayan Diana; Sasana Putra
Jurnal Rekayasa Sipil dan Desain Vol 7, No 2 (2019): Edisi Juni 2019
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Handling road damage using the greenroads method is one solution to the problem of natural resources. This method uses a recycling method of dismantling the old pavement layers to be used as a mixture of new pavement layers. This study aims to determine the use of Reclaimed Asphalt Pavement (RAP) material as a mixture of materials to be used again as AC - WC (Asphalt Concrete - Wearing Coarse) pavement and determine the best percentage between recycled asphalt mixture from RAP and new material. The results of this study were obtained for the stability value on the use of 25% RAP, 50% RAP and 75% in a row obtained 1300,320 kg, 1076,468 kg and 966 kg. Of the three variations in the use of RAP it has mixed characteristics and marshall characteristics that meet the General Specifications of Bina Marga. The Optimum Asphalt Content (KAO) value for the percentage of RAP use of 25%, 50% and 75% in a row obtained 5,8%, 5,6% and 5,4%. The higher the use of RAP percentage, the Optimum Asphalt Level (KAO) obtained is getting smaller. Keyword: RAP (Reclaimed Asphalt Pavement), Optimum Asphalt Levels (KAO), Asphalt Concrete - Wearing Coarse (AC – WC).
Evaluasi dan Perkuatan Struktur Pelat, dan Dinding Geser dengan Glass Fiber Reinforced Polymer (GFRP) Stephanus Martua Turnip; Fikri Alami; Ratna Widyawati
Jurnal Rekayasa Sipil dan Desain Vol 7, No 1 (2019): Edisi Maret 2019
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The Education hospital building of University of Lampung has been stalled and the construction is abandoned for years. So that, there is concern about the existing strength installed in the field. Therefore, it is necessary to evaluate and to strengthen the structure for increasing the strength and assuring appropriateness of the building. Two methods used in evaluating this building which weredirect survey method in the field and numerical method used the Finite Element Analysis (FEA) program. For strengthening calculations the American Concrete Institute code was applied (ACI 440.2R, 2008). The material for strengthening used Glass Fiber Reinforced Polymer (GFRP). The results showed that the existing concrete compressive strength on all structural elements decreased from the design which was 25 MPa. However, theexisting steel reinforcement tests showed good strength which greater than design strength of 400 Mpa.In strengthening calculation with GFRP type of SEH-51A which has tensility strength of 460 MPa, the material can increase flexural strength of several slabs that requiredfor strengthening. In addition, in the shear wall analysis, it concluded that the existing shear wall were strong enough to withstand the nominal shear forcesdesign that might be occured. Keywords : Structures Evaluation, Strengthening Structures, Glass Fiber Reinforced Polymers, Concrete Slab and Shear Walls.
performance of the unsignalized intersection of Jenderal Suprapto-S. Parman road. Fica Pinggungan; Aleksander Purba; Sasana Putra
Jurnal Rekayasa Sipil dan Desain Vol 7, No 2 (2019): Edisi Juni 2019
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With the increase in population and increasing the number of private vehicle ownership, it will cause traffic problems due to the many movements of community mobility, one of which is at the intersection. Bandar Lampung is one of the developing cities that experience these problems. One of the intersections in Bandar Lampung to be reviewed is the unsignalized intersection with 4 arms on Jendral Suprapto-S. Parman road. The purpose of this study is to evaluate and compare the performance of the intersection of Jenderal Suprapto-S. Parman road. Then the results of the analysis using KAJI are capacity (C) 2735 pcu / hour, degree of saturation (DS) 1.12, delay deviation (D) 43.01 sec / pcu and queuing probability (QP%) 60% - 122% with level service C. Analysis with the VISSIM program is a delay of 3.35 seconds / pcu (North), 5.4 seconds / pcu (West), 68.29 seconds / pcu (South), 33.89 seconds / pcu (East), while for long queue 31.68 m (North), 23.98 m (East), 190.3 m (South) and 31.13 m (West) with service level B. While the results of the Queue Theory analysis a delay of 49 seconds / pcu ( North), 39.2 seconds / pcu (West), 72.8 seconds / pcu (South) 124 seconds / pcu (East), while the queue length is 50 m (North), 63 m (East), 40 m (South ) and 25 m (West).
Analisis Kebutuhan Parkir Di Kampus Universitas Lampung Studi Kasus : (Fakultas Ekonomi dan Bisnis, Fakultas Ilmu Sosial dan Politik, Fakultas Hukum) Viktor Irawan; Rahayu Sulistyorini; Dwi Heriyanto
Jurnal Rekayasa Sipil dan Desain Vol 7, No 4 (2019): Edisi Desember 2019
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Dalam beberapa tahun terakhir ini pertumbuhan kendaraan semakin meningkat, ini menyebabkan harus di pertimbangkan penyediaan dan pengaturan fasilitas parkir. Umumnya di wilayah kampus kebutuhan terhadap ruang parkir cukup besar mengingat kebanyakan para mahasiswa, dosen, dan karyawan. Tujuan dari penelitian ini adalah untuk menganalisis kapasitas dan kebutuhan ruang parkir di Unila, khususnya di FEB, FISIP, FH. Dari hasil analisis, FEB yaitu kebutuhan parkir sebesar 67 petak parkir untuk kendaraan mobil dan 343 petak parkir untuk kendaraan motor, dengan durasi parkir rata-rata 175 menit kendaraan mobil dan 109 menit kendaraan motor, dengan indeks parkir 103% kendaraan mobil dan 114% kendaraan motor. FISIP yaitu kebutuhan parkir sebesar 72 petak parkir untuk kendaraan mobil dan 293 petak parkir untuk kendaraan sepeda motor, dengan durasi parkir rata-rata 163 menit kendaraan mobil dan 124 menit kendaraan motor, dengan indeks parkir 156% kendaraan mobil dan 187% kendaraan motor. FH yaitu kebutuhan parkir sebesar 76 petak parkir untuk kendaraan mobil dan 153 petak parkir untuk kendaraan sepeda motor, dengan durasi parkir rata-rata 149 menit kendaraan mobil dan 145 menit kendaraan motor, dengan indeks parkir di atas 146% kendaraan mobil dan 96% kendaraan motor.
Perencanaan Embung Konservasi Di Taman Rusa Universitas Lampung amelia sukma cindy; Opik Taufik Purwadi; margaretta welly; Ahmad Herison
Jurnal Rekayasa Sipil dan Desain Vol 7, No 1 (2019): Edisi Maret 2019
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University of Lampung has some of water patch such as small dams and retention basin which is needed optimalisazion to improve the function. Among of the small dams, there is small dam is located at Deer Park at University Of Lampung need to redesign. The purpose of redesign this small dam conservation is to increase its function as water conservation building. Water conservation building has functioned as rain harvesting and water reserves during the dry seasonThe methods are used to redesign this small dam conservation are hydrological , small dam conservation construction planning , analysis stability of  planned constructions and the last method is estimating building construction cost.  Small dam conservation planned height of 5 m,withabaseelevationat+104,7 thedamcrestelevation+112,5,00m.The flood debit of 426,279 m3/sec with cycle period 10 years.Spillway which used is Open Ogee type and basin specific energy building Vlugter type. Stability small dam conservation at Deer Park University of Lampung construction stated as safe. Cost estimated of design planning of conservation small dam is Rp. 5.918.096.000,00. Reservoir volume after planned to be 13.213,5627 m3. This volume has increased from the existing volume of the previous reservoir, which was only 5.981,3997 m3. It can be concluded, the ability of small dam conservation to rain harvesting and water reserves during the dry season increases. Keyword : Small dam, Conservation, University of Lampung

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