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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 545 Documents
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Evaluasi Kinerja Rainwater Harvesting di Lingkungan Fakultas Teknik Afifa, Hasna Nur; Susilo, Gatot Eko; Welly, Margaretta
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 1 (2017): Edisi Maret 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i1.624

Abstract

AbstractThis research aims to find the effectiveness of development the ground water tank, distribution system water supply in network, operations and water treatment and examination of water quality which is stored. Research conducting is using the method descriptive quantitative. This method of collect data dimensions PAH, data whole space the roof of the part that chatching water to ground water tank, rain data 2011 – 2013 as value inflow, standard water needs of the department of civil engineering on average each day as the value of the outflow.  The research is obtainable potential saving groundwater within 3 years worth 45.3%, from the laboratory tests and testing physically water it is included on the criteria water quality category 1 class the water is aimed can be used to raw water drinking water, the distribution system water used the down feed system, water threatmen that is used ( filter solid material, the deposition of mud, absorption). Keywords : Rainwater, rainwater harvesting, the potential saving groundwater AbstrakTujuan penelitian ini adalah untuk mengetahui efektifitas pembangunan ground water tank tersebut, system distribusi jaringan air bakunya, pengoperasian dan perawatan airnya serta dengan menguji kualitas dari air yang ditampung. Penelitian yang dilakukan menggunakan metode deskriptif kuantitatif. Metode ini berupa mengumpulkan data dimensi PAH, data luasan atap keseluruhan bagian yang menangkap air ke ground water tank, data hujan tahun 2011 – 2013 sebagai nilai inflow, kebutuhan air baku jurusan teknik sipil rata – rata setiap harinya sebagai nilai outfow.  Dari hasil penelitian ini didapat potensi penghematan air tanah dalam kurun waktu 3 tahun sebesar 45.3%, dari hasil uji laboratorium dan pengujian secara fisik air hujan tersebut masuk dalam kriteria mutu air kategori kelas 1 yaitu air yang peruntukannya dapat digunakan untuk air baku air minum, sistem distribusi air yang digunakan yaitu down feed system,water threatment yang digunakan (penyaring bahan padat, pengendapan lumpur, absopsi/penyerapan).  Kata kunci: Air Hujan, Pemanen Air Hujan, Potensi Penghematan Air Tanah
Pengaruh Bottom Ash sebagai Bahan Pengganti Sejumlah Pasir Terhadap Kuat Tekan, Kuat Lentur dan Modulus Elastistas Beton Mutu Tinggi Triwidinata, Sholahuddin; Sebayang, Surya; Irianti, Laksmi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.625

Abstract

AbstractOver time the production of high strength concrete it will increse more and more and otherwise it will decrease the natural resources. One of them is sand as concrete material. Based on the problem, it will be required another material, that can replace a number of the sand. Bottom ash is one of material from waste coal plant, generally have particle size or fine granule like as sand. This research is used to determine the variation of sand and bottom ash for high strength concrete. The testing are compressive strength with cylinder concrete 10x20 cm, flexural strength with beam concrete 10x10x40 cm, and modulus of elasticity concrete with cylinder concrete 15x30 cm. The compositions of the bottom ash for substitution the sand are 0%, 20%, 40%, 60%, 80% and 100%. The results of the compressive strength and flexural strength optimum testing are showed on variation 80% of bottom ash. Compressive strength values are 39,68 MPa (7 days age) and 45,41 MPa (28 days age). Flexural strength values are 4,62 MPa (7 days age) and 5,53 MPa (28 days age). Modulus of elasticity concrete optimum are showed on variation 20% and 80% of bottom ash with 60625,67 MPa and 59441,67 MPa (28 days age).  Keywords : high strength concrete, bottom ash, compressive strength, flexural strength, modulus of elasticity concrete.   AbstrakSeiring berjalannya waktu produksi beton mutu tinggi semakin lama akan semakin meningkat dan sebaliknya akan mengakibatkan berkurangnya sumber daya alam. Salah satunya ialah pasir sebagai bahan baku beton. Berdasarkan permasalahan tersebut, maka diperlukan suatu material lain yang dapat menggantikan sebagian sumber daya alam tersebut. Bottom ash merupakan salah satu material dari limbah hasil proses pembakaran batubara pada sektor pembangkit listrik, umumnya memiliki ukuran partikel atau butiran yang halus seperti pasir. Penelitian ini dilakukan untuk menentukan penggunaan variasi pasir dan bottom ash yang baik bagi beton mutu tinggi. Pengujian berupa uji kuat tekan dengan silinder beton 10x20 cm, uji kuat lentur dengan balok 10x10x40 cm dan modulus elastisitas beton dengan silinder beton 15x30 cm. Komposisi penggantian pasir dengan bottom ash sebanyak 0%, 20%, 40%, 60%, 80% dan 100%. Hasil pengujian kuat tekan dan kuat lentur optimum diperoleh pada variasi 80%bottom ash. Nilai kuat tekan sebesar 39,68 MPa (umur 7 hari) dan 45,41 MPa (umur 28 hari). Nilai kuat lentur sebesar 4,62 MPa (umur 7 hari) dan 5,53 MPa (umur 28 hari). Nilai modulus elastisitas beton optimum diperoleh pada variasi 20% dan 80% bottom ashyaitu sebesar 60625,67 MPa dan 59441,67 MPa (umur 28 hari). Kata kunci : beton mutu tinggi, bottom ash, kuat tekan, kuat tarik lentur, modulus elastisitas beton  
Studi Analisis Penurunan Tanah Lempung Lunak Dan Lempung Organik Menggunakan Pemodelan Box Dan Matras Beton Bendrat Tanpa Tiang Putra, Riansyah; Iswan, Iswan; Setyanto, Setyanto
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.627

Abstract

AbstractSoil clay have role that very important for something building civil especially in building and projects in whole indonesia. Development construction in soil clay will experience some obstacles as existence settlement and if soil given loading then will occurrence settlement that significant, will reduced volume soil so water pore exit and cause pressure water pore up so experience settlement on consolidation. Then from that need do research settlement that use box and mattress concrete bendrat without pole as tool land subsidence. For knowing how much big function from tool decline this could proven in laboratory with test soil clay in the box and burdened by concrete mattress bendrat and given loading, then do testing settlement or that called consolidation. Giving loading above surface permeability clay aim for look coefficient consolidation (Cv) compression index (Cc) changes in volume (Av) and the coefficient congestion volume (Mv). Result loading settlement clay that use modeling box and mattress bendrat without pole, soft clay soil experience decline 51% while organic clay soil experience decline 56%. Because of organic clay soil have value water content that more high. Research in prove that organic clay soil more fast experience decline compared with soft clay soil when given loading certain.Keywords : clay soil, concrete mattress box test and bendrat without poles, soil consolidationAbstrakTanah lempung memiliki peranan yang sangat penting bagi suatu bangunan sipil khususnya di gedung dan proyek-proyek di seluruh indonesia. Pembangunan kontruksi ditanah lempung akan mengalami beberapa kendala seperti adanya penurunan tanah dan apabila tanah diberi pembebanan maka akan terjadinya penurunan tanah yang signifikan, akan berkurangnya volume tanah sehingga air pori keluar dan menyebabkan tekanan air pori naik sehingga mengalami penurunan tanah secara konsolidasi. Maka dari itu perlu dilakukan penelitian penurunan tanah yang menggunakan box dan matrasbeton bendrat tanpa tiang sebagai alat penurunan tanahnya. Untuk mengetahui seberapa besar fungsi dari alat penurunan ini dapat dibuktikan dilaboratorium dengan menguji tanah lempung di dalam box dan di bebani oleh matras beton bendrat dan diberi pembebanan, kemudian dilakukan pengujian penurunan tanah atau yang disebut konsolidasi. Pemberian pembebanan diatas permukaan tanah lempung bertujuan untuk melihat koefesien konsolidasi (Cv) indeks pemampatannya (Cc) perubahan volume (Av) dan koefesien kemampatan volume (Mv).Hasil pengujian penurunan tanah lempung yang menggunakan pemodelan box dan matras beton bendrat tanpa tiang, tanah lempung lunak mengalami penurunan 51 % sedangkan tanah lempung organik mengalami penurunan 56 %. dikarenakan tanah lempung organik memiliki nilai kadar air yang lebih tinggi. Penelitian ini membuktikan bahwa tanah lempung organik lebih cepat mengalami penurunan dibandingkan dengan tanah lempung lunak ketika diberi pembebanan tertentu. Kata kunci : Tanah Lempung, Box Uji Dan Matras Beton Bendrat Tanpa Tiang, Penurunan Tanah
Analisis Koordinasi Sinyal Antar Simpang Pada Ruas Jalan Z.A. Pagar Alam Prayoga, Prayoga; Sulistyorini, Rahayu; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.634

Abstract

There are three intersections that are within 1.3 km of study focused on Jalan Z.A. Pagar Alam.  The problem that sometimes occurs is vehicles must stop at every intersection because it always gets a red signalThe data collection was done by a direct survey at all three intersections. The data that taken from the intersection are geometric and volume intersection.  The first intersection released from signal coordination between intersections, with a cycle time of 63 seconds was obtained degree of saturation on average 0.7378 and the queue length 70.23 m. After three planning between the intersection II and III intersection obtained the best cycle time of 99 seconds. The average degree of saturation of intersection II is 0.77 with queue length 146.71 m and the third intersection is 0.85 with queue length 82.03 m. Because the degree of saturation is approaching 0.8 and 0.8 exceed existing special construction needs to be done.
Kebutuhan Material Jaringan jalan Provinsi di Provinsi Lampung Pada Wilayah 2 dan Wilayah 4 wahyudi, meifra; Hadi, yohanes Martono; Adha, idharmahadi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.641

Abstract

Lampung Province is a province that annually holds improvements and infrastructure development, especially in the field of roads. By the increase of the road construction, the more material needed to meet the development.This research was conducted to know the amount of material of provincial road network of Lampung province in budget year 2016 region 2 and region 4 and to get material requirement in next year.From the collection of this data, obtained the auction pattern of project implementation began in mid-year until the end of the year. And from result of calculation of material requirement of road construction project of Lampung province in 2016 got the dominant result to use Sand, Asphalt, Aggregate Coarse, and Cement. In fulfilling the material needs of the Lampung provincial road project in 2016 region 2 and region 4 is good enough, it is shown with its fulfillment of the provincial road works material in 2016. From the analysis of the calculation of provincial road material needs in 2016 can be used as a guide to face the material needs of the following year.
PERENCANAAN DINDING PENAHAN TANAH PADA SUNGAI WAY HUI KABUPATEN LAMPUNG SELATAN nur, rizki abadian; susilo, gatot eko; sumiharni, sumiharni
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.665

Abstract

Flooding is an event that occurs when water flows water on the land, the EU defines flooding as a temporary immersion by water on land that is not normally submerged in water. Based on water sources that become reservoirs on earth, the type of flood is divided into three, namely river flood, lake flood, and flood tides. Floods that occur in some areas in Lampung are caused by overflow of water from rivers such as Way Hui rivers triggered by several things, namely garbage, river narrowing and drainage, and high rainfall. This study aims to analyze rainfall data in the study area. In addition, the plan also aims to calculate the design of rain and flood design in the study area and conduct retaining wall planning in the study area. In this study, the procedures used are data collection of rainfall and river basin data, calculation and rainfall analysis, calculation and analysis of rainfall design, calculation and analysis of rainfall intensity, calculation and design of debit analysis, calculation and analysis of slope stability, And Plan budget (RAB) budget. The results showed that the calculation of slope stability using Fellenius Method and Bishop Method. After the calculation, the security number (FK) of 1,317 for the Fellenius Method, and the security number (FK) for the Bishop Method is 1.351. With these results, the FK> 1 qualified safe is for the planning of retaining wall in Way Hui river. Then the authors calculate the cost budget plan (RAB) to build the retaining wall of the land and obtained a price of about Rp. 428.215.506,00. Keywords: flood, slope stability, flood dischargeAbstrakBanjir adalah peristiwa yang terjadi ketika aliran air merendam daratan, Uni Eropa mendefinisikan banjir sebagai perendaman sementara oleh air pada daratan yang biasanya tidak terendam air. Berdasarkan sumber air yang menjadi penampung di bumi, jenis banjir dibedakan menjadi tiga, yaitu banjir sungai, banjir danau, dan banjir laut pasang. Banjir yang terjadi disejumlah daerah di Lampung yang disebabkan oleh meluapnya air-air dari sungai seperti sungai Way Hui yang dipicu oleh beberapa hal, yaitu sampah, penyempitan sungai dan drainase, serta curah hujan yang tinggi.Penelitian ini bertujuan untuk menganalisa data hujan pada daerah studi. Selain itu, perencanaan ini juga bertujuan untuk melakukan perhitungan hujan rancangan dan banjir rancangan pada daerah studi dan melakukan perencanaan dinding penahan tanah pada daerah studi tersebut. Pada penelitian ini prosedur yang digunakan adalah pengumpulan data hujan dan data DAS, perhitungan dan analisa hujan kawasan, perhitungan dan analisa hujan rancangan, perhitungan dan analisa intensitas hujan, perhitungan dan analisa debit rancangan, perhitungan dan analisa stabilitas lereng, dan rencana anggaran biaya (RAB). Hasil penelitian menunjukkan bahwa perhitungan stabilitas lereng menggunakan Metode Fellenius dan Metode Bishop. Setelah dilakukan perhitungan maka diperoleh angka keamanan (FK) sebesar 1,317 untuk Metode Fellenius, dan angka keamanan (FK) untuk Metode Bishop sebesar 1,351. Dengan hasil tersebut maka memenuhi syarat aman yaitu FK > 1 untuk perencanaan dinding penahan tanah pada sungai Way Hui. Kemudian penulis menghitung rencana anggaran biaya (RAB) untuk membangun dinding penahan tanah tersebut dan diperoleh harga sekitar Rp. 428.215.506,00  Kata kunci : banjir, stabilitas lereng, debit banjir
Perencanaan Pintu Pelimpah Bendungan Margatiga Kabupaten Lampung Timur Provinsi Lampung Susanti, Lidya; Purwanto, Eddy; Wahono, Endro Prasetyo
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.667

Abstract

AbstractSpillway has an important role for both operating rules as well as a safety structure, particularly during flood, of a dam. In Margatiga Dam, gated-spillways were designed in order to regulate discharge to downstream mainly for irrigation purpose. The Margatiga Dam, located in East Lampung Regency, is a rock fill type of dam with vertical core, formed from specific clay materials. The dam was designed to supply the Sragi’s irrigation area mostly located in East Lampung Regency, which has more than 80% of its citizen are farmers. The main objective of this research is to design gate leaf structure of the spillway, in the form of skin plates and beams that fulfill safety requirement of the structure. Design was performed for two conditions, which are during normal water level, and during the flood conditions. Based on those two conditions, the most extreme forces was selected as the basis of the structural design. The loads, which are used for design, consist of hydrostatic pressure, sediment pressure, dynamic pressure during the earthquake, and the hydrodynamic pressure. This research provide dimension of the gate leaf of the concerned spillway. Thickness of the steel plates is 13 mm, meanwhile the dimension of girder plates are 900x300 mm, 860x100 mm, and 900x150 mm, for the horizontal beams, vertical beams, and the edge of the beams respectively. Thickness of flense and web for all the beams are designed to be 13 mm and 5 mm respectively. Design of the gate provide maximum deflection of the beams for 10.06 mm and maximum deflection of the plates is 5.16 mm, which are considered to fulfill the safety requirement for the conditions during probable maximum discharge (QPMF).Keywords : spillway, gate leaf, QPMF, girder plate
ANALISIS PERBANDINGAN KEHILANGAN PRATEGANG AKIBAT METODE STRESSING SATU ARAH DAN DUA ARAH PADA JEMBATAN BETON PRATEGANG Rizkia, Selvia Rahma; Suyadi, Suyadi; Husni, Hasti Riakara
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.668

Abstract

A prestressed concrete bridge is a construction structure bridging one location to another location and this is made by stressing strands with opposite force caused by the external loading. The stressing process can be done before the concrete is molded (pre-tensioning) and after the concrete is molded (post-tensioning). The stressing in the prestressed post-tensioning concrete can be done with two methods; the one way and two ways stressing. Stressing by using these two stressing methods may cause different prestress force loss in the concrete. The objective of this research was to find out the influence of one way and two ways stressing methods to the prestress force loss, analysis was conducted by estimating prestress forces, determining amounts and lines of stranded-wire tendons, estimating pre-stress force loss because of one way and two ways stressing methods and force controlling and deflection in the girder. This research used PC I girder, PC U girder, and box girder types. The analysis results showed that the prestress force loss in the one way stressing method in PC I girder was 30.826%, 30.3401% in PC U girder, and 31.885% in box girder. The prestress force loss in two ways stressing method was 29.8397% in PC I girder, 29.3169% in PC U girder, and 31.4955% in box girder. The conclusion was that the prestress force loss in the girder by using one way stressing method was bigger than in two ways stressing method.Keywords: prestress concrete, stressing method, one way, two ways.
OPTIMALISASI PROFIL BAJA IWF PADA BANGUNAN GUDANG KONSTRUKSI GABLE FRAME BERDASARKAN SNI 1729:2015 Putri, Ardini Yuliastri; Bayzoni, Bayzoni; Widyawati, Ratna
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.677

Abstract

The increasement and development of economic growth in Indonesia cause increasement of the construction of warehouse to support business expansion. However, there is an opinion about expensive steel prices which is causes the use of the steel its self is not optimum. In this case, there must be a calculation to determine the model of gable frame and the dimension of steel profiles for the warehouse.  In this study, the frame model is limited of four types that have differences in haunch span.  This study also use the Direct Stiffness Method to calculate structural analysis and  SNI 1729: 2015 to calculate section analysis.  From structural and section analysis, obtained weight for each type of frame.  Frame Type 1 has 4.771,89 kg, Frame Type 2 has 3.348,18 kg, Frame Type 3 has 3.682,24 kg and Frame Type 4 has 10.541,1506 kg.  Based on the volume and weight calculation in each frame type, Frame Type 2 has the lowest weight. Hence, this type of portal can be considered as the most optimum portal type. Key word : gable frame construction, SNI 1729: 2015, Direct Stiffness Method
Perbandingan Volume Kebutuhan Baja pada Pembuatan Struktur Rangka Atap Bentang 30 m Berdasarkan SNI 1729-2015 Anggraini, Sella; Bayzoni, Bayzoni; Husni, Hasti Riakara
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.679

Abstract

The use of steel as a framework for the roof of the warehouse building requires research on the efficiency of its volume according to the form of the frame designed by considering the strength and the economical of the building materials. In the implementation of this research the calculation of structural analysis using method of joint. The outline of the implementation step is to determine the profile data (quality and dimensions) and various controls on Gording, calculate the loading using SNI 1727-2013, calculate the structure analysis of each roof frame using Microsoft Excel, calculate the analysis of truss frame design (Tensile and press memberss), weld joint planning using SNI 1729-2015 and calculate the steel requirement volume ratio of the four types of roof truss structure. The result of the research shows that the volume of steel used in Type 1 roof truss construction is 0,2046 m3 with weight 1571,4287 kg; In Type 2 roof truss construction is 0,1862 m3 with weight 1461,5889 kg; In Type 3 roof truss construction is 0,1499 m3 with weight 1176,0578 kg; In Type 4 roof truss construction is 0,1488 m3 with weight 1167,4652 kg. Based on these results, the Type 4 is the most optimal type of roof truss construction, because the lowest volume and weight of steel was obtained. Keywords: Roof frame, SNI 1729-2015, steel, tensile member, press member

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