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Kota bandar lampung,
Lampung
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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Perilaku Penurunan Tanah Terhadap Dry Side of Optimum dan Wet Side of Optimum pada Kepadatan Tanah Organik Dony Rizky Pratama; Setyanto Setyanto; Muhammad Jafri
Jurnal Rekayasa Sipil dan Desain Vol 3, No 1 (2015): Edisi Maret 2015
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

The decline in soil organic matter due to the burden of its own soil and building construction thereon are not able to with stand the load that lasts. Of these conditions need to know the factors thataffect soil instability, through soil behavior can be observed with the organic content of the soilwater content. The compaction is the beginning of the formation process for testing the strength ofthe soil, so that the pattern of behavior can be identified by soil Dry and Wet Side of Optimum Sideof Optimum.Soil test results Decrease Behavior Against Dry and Wet Side of Optimum Optimum At the Side ofOrganic Soil density, Dry Side of Optimum sample / sample with 5% dry compaction over the bestsample for the fastest processing speed and magnitude of soil degradation as well as the smallestdecrease in the reduction process quickly said to be good for the soil more quickly reach the soillayer in a stable condition and the magnitude of the smallest drop is quite good because thecompression process a smaller type of soil, thereby reducing the risk of damage to the constructionthereon that the Cv value obtained by 0,168cm 2 / sec, Cc for 2.33, and AV 0.28 cm 2 / sec.Keywords: Organic Soil, Compaction, Dry Side of Optimum, Wet Side of Optimum, and SoilDeclinel.
Perancangan Struktur Apartement 20 Lantai Bandar Lampung Fauzil Alim; Bayzoni Bayzoni; Hasti Riakara Husni
Jurnal Rekayasa Sipil dan Desain Vol 3, No 2 (2015): Edisi Juni 2015
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Abstract

Bandar Lampung is one of the cities in Indonesia, which is being developed at this time. Thesedevelopments will affect population and workforce. The flurry will make the work of the public donot have much free time to prepare for daily needs. Condition, situation, and the state of society asthis causes them to prefer a place that provides various kinds of necessities of life (one stopservice).This apartment structure design project at the Teluk Betung which consists of 20 floors has 620rooms with various types and consists of Type A (230 m2), Type B (152 m 2 ), Type C (135 m 2 ), TypeD (120 m 2 ), Type E (98 m 2 ), Type F (73 m 2 ) and Type G (54 m 2 ). The apartment is also equippedwith various facilities such as a cafeteria, mini market, restaurant, fitness room, a mosque and amultipurpose hall.To analyze the structure, ETABS Non Linear version 9.7.4 software are used to get internal forcesand will be used in manually design of reinforce concrete refer to Concrete SNI code 03-2847-2002 and Earthquake code SNI 03-1726-2002. To compare the result Sp Coloum v. 4.81. and RC.Beam Design V.1.0. are used. The calculation obtained 80 x 80 cm coloum with 24 D 25reinforcement, 35 x 60 cm primary beam and 15 x 30 cm secondary beam. The pile pondation areused for pondation with 9 pile pondation, 60 cm diameter and 18 m depth.Key words: Structure, ETABS, Pile Pondation
PENGARUH VARIASI WAKTU PEMERAMAN TERHADAP NILAI UJI TEKAN BEBAS PADA TANAH LEMPUNG DAN LANAU YANG DISTABILISASI MENGGUNAKAN SEMEN PADA KONDISI TANPA RENDAMAN (UNSOAKED) mutia andriani; Setyanto Setyanto; Lusmeilia afriani
Jurnal Rekayasa Sipil dan Desain Vol 4, No 4 (2016): Edisi Desember 2016
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Abstract

Pada umumnya, pemeliharaan tanah dengan semen dicampur dengan kadar semen rendah dengan ataupun tanpa kekuatan yang ditargetkan sangat tergantung pada fungsinya. Sementara itu stabilisasi tanah dengan prosentase semen cukup tinggi harus dengan target kekuatan tertentu.Tujuan dilakukannya penelitian ini adalah Mengetahui pengaruh variasi kadar campuran semen dan mencari kadar semen yang ideal dalam pencampuran semen. Sampel tanah yang di uji pada penelitian ini yaitu tanah lempung di daerah Belimbing Sari, Kecamatan Jabung, Kabupaten  Lampung Timur dan jenis tanah lanau di daerah Desa Yosomulyo, Kecamatan Metro Timur, Kota Metro. Alat yang digunakan untuk uji analisis saringan, uji berat jenis, uji kadar air, uji batas-batas atterberg, uji pemadatan, uji kuat tekan bebas dan peralatan lainnya yang ada di Laboratorium Mekanika Tanah Jurusan Teknik Sipil, Fakultas Teknik, Universitas Lampung yang di sesuaikan dengan standar ASTM D-2216. Hasil penelitian yang dilakukan terhadap tanah lempung dengan campuran semen dengan kadar 12% dan waktu pemeraman 28 hari sebesar 0,84kg/cm2. nilai kuat tekan bebas tertinggi dari penelitian yang dilakukan terhadap tanah lanau dengan campuran semen dengan kadar 12% dan waktu pemeraman 28 hari sebesar 1,13 kg/cm2. Maka dapat disimpulkan bahwa semakin banyak kadar semen yang dicampurkan pada tanah lempung dan lanau akan menjadikan nilai tekan kuat bebas tinggi. Disarankan Untuk penelitian selanjutnya disarankan untuk menggunakan persentase campuran antara tanah lempung dan semen serta tanah lanau dan semen yang lebih rinci agar didapat perbandingan yang lebih baik. Kata kunci : Nilai uji tekan bebas, tanah lempung, tanah lanau, semen  
STUDI KONVERSI ENERGI PEMADATAN TANAH DENGAN MODIFIED PROCTOR METHOD UNTUK TANAH PASIR BERLEMPUNG Siti Zahhara Ulfa; Idharmahadi Adha; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 5, No 3 (2017): Edisi September 2017
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Abstract

Related to increased of society economics and the growth rate of vehicles, this needs to be balanced with facilities of transportation. So, a new road or repair existing road is needed. The physical and mechanical conditions of soil are closely related to the construction. It caused the soil has a very crucial role in supporting the construction. To obtain good quality pile of soil, soil compaction is required to stabilize against both structural or non-structural loads. In this study comparing the modified proctor method soil compaction energy with modified press compactor tools.The soil samples used is from Tirtayasa Region Sukabumi District Bandar Lampung, it consists of twelve samples used for modified press compactor tools tests, with pressure used are 5 MPa, 10 MPa, 15 MPa, and 20 MPa. For every pressure conducted for 3 soil samples.Laboratory experiment result shows that the maximum volume weight (γdmaks) of 1,42 gr/cm3 amount on modified proctor method tests with the results on modified press compactor tools obtain pressure value of 7 MPa value and the pressure on sheep foot rifling machine of 6,9 N/mm2.KEYWORDS : Modified Proctor, Modified Press Compactor Tools, Compaction, Soil Pile.
Analisis Model Tarikan Perjalanan Masyarakat ke Kawasan Perdagangan/Perbelanjaan Kota Bandar Lampung Niatika, Uun; Sulityorini, Rahayu; Karami, Muhammad
Jurnal Rekayasa Sipil dan Desain Vol 6, No 2 (2018): Edisi Juni 2018
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The objectives of this research were to analyze the characteristics of person movements in the Pasar Tengah shopping area of Bandar Lampung City, the model of trip attraction using regression analysis method and variables influence the attraction of person movements to the commercial area of Bandar Lampung City. The roadside interview carried out at the internal cordon was designed to collect data. The questions were asked about the origin, destination and purpose of the journey, the mode of transport used by the travellers and others. The result shows that the variables influenced the trip attraction of the person to this commercial area including the number of people in each household (X4), motor vehicle ownership (X5), the volume of retail sales (X10) and the goods price (X11). The trip attraction model obtained from the research is Y = -2.447 + 0.233X4 + 0.511X5 + 0.267X10 + 0.236X11 with R2 = 0.863.
Pengaruh Penambahan Fiber Baja Seling dengan Volume Fraction 0,4%, 0,6% dan 0,8% terhadap Kuat Tekan dan Kuat Tarik Lentur pada Beton Mutu Normal. Tiffany Marvin; Eddy Purwanto; Laksmi Irianti
Jurnal Rekayasa Sipil dan Desain Vol 4, No 3 (2016): Edisi September 2016
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This research was conducted to study and determine the influence of steel sling fiber 0,4%, 0,6% and 0,8% volume fraction of compressive strength and flexural strength on normal quality concrete. This study used an experimental method in the Laboratory of Material and Construction Engineering Faculty, University of Lampung. The compressive strength test specimen is a 30 cm height and 15 cm diameter cylinder and the flexural strength test specimen is a 40 cm length, 10 cm width and 10 cm height beam. The compressive strength and flexural strength test of  normal quality concrete with 0,4%, 0,6% and 0,8% volume fraction held after 14 and 28 days. The maximum compressive strength and flexural strength value are at 0,6% volume fraction and decrease at 0,8% volume fraction. The maximum compressive strength is 27,5537 MPa at 0,6% volume fraction and the optimum value  from polynomial trendline chart is 27,6028 MPa at 0,5754% volume fraction. The maximum flexural strength is 5,6899 MPa at 0,6% volume fraction and the optimum value from polynomial trendline chart is 5,7163 MPa at 0,5687% volume fraction. The steel sling fiber didn’t affect a high increase of the compressive strength, but this steel sling fiber had a high flexural strength which is 1733,46 MPa, so it affected a significant increase of the flexural strength test.Keywords : compressive strength, flexural strength, fiber concrete, steel sling fiber
Studi Analisis Daya Dukung Tanah Lempung Berplastisitas Tinggi yang Dicampur Zeolit Rian Alfian; Lusmeilia Afriani; Iswan Iswan
Jurnal Rekayasa Sipil dan Desain Vol 3, No 2 (2015): Edisi Juni 2015
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Abstract

C lay has properties that are not profitable for construction. This is because the bearing capacityof the soil or low CBR have low value. Therefore we need a stabilizing agent that can reduce soilproperties which are unprofitable, usually accompanied by binding to each soil grain with theother .The research was done by testing on clay samples without a mixture and the clay that is mixedwith zeolite with a variation of 6%, 8%, 10%, 12% and 14%. Tests were performed using standardand modified compaction which previously done curing for 14 days. After compaction test, thesamples were soaked for 4 days and then followed by mechanical testing which is CBR test thataimed to determine the bearing capacity value of the soil after the sample was mixed by zeolites.Based on the results of laboratory research, the highest value obtained on the sample CBR claywith a mixture of 14% zeolite with the use of modified compaction with 14 days of curingand 4days of soaking in the amount of 2.78%. This is because the effect of zeolite which can bind clayparticles. So, the more a mixture of zeolite then bearing capacity of the soil also increasing.However, the value of CBR in this research can not be used as subgrade in road constructionbecause of its CBR value ≤ 6%.Keywords: CBR, Soil Clay, Zeolite
ANALISIS PERBANDINGAN KEHILANGAN PRATEGANG AKIBAT METODE STRESSING SATU ARAH DAN DUA ARAH PADA JEMBATAN BETON PRATEGANG Selvia Rahma Rizkia; Suyadi Suyadi; Hasti Riakara Husni
Jurnal Rekayasa Sipil dan Desain Vol 5, No 2 (2017): Edisi Juni 2017
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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.
Pengaruh Jumlah Lapisan Tanah Terhadap Derajat Kepadatan Tanah Berdasarkan Metode Tekanan Annisa Tiara Rulya; Idharmahadi Adha; Lusmeilia Afriani
Jurnal Rekayasa Sipil dan Desain Vol 6, No 1 (2018): Edisi Maret 2018
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Abstract

Pemadatan tanah merupakan salah satu pekerjaan penting dalam setiap proyek konstruksi, tanggul, waduk dan konstruksi sipil lainnya, tanah yang belum padat atau masih kondisi gembur harus dipadatkan untuk meningkatkan untuk meningkatkan kekuatan tanah, sehingga dengan demikian meningkatkan daya dukung pondasi di atasnya, serta juga berfungsi untuk mengurangi besarnya penurunan tanah yang tidak diinginkan. Untuk itu, dalam penelitian ini akan dilakukan pemadatan tanah dengan menggunakan metode standard proctor di laboratorium dan menggunakan pemodelan alat uji tekan pemadat modifikasi untuk mengetahui pengaruh jumlah lapisan terhadap derajat kepadatan tanah. Tanah yang digunakan berasal dari Tirtayasa, Bandar Lampung. Pengujian proctor menggunakan beberapa lapisan yaitu lapisan 2, 3, 4, dan 5. Sedangkan alat tekan pemadat modifikasi menggunakan tekanan 5 MPa, 10 MPa, 15 MPa. Lapisan yang digunakan yaitu lapisan 2, 4, dan 6 pada setiap tekanan. Hasil penelitian menunjukkan bahwa berat volume maksimum (γdmaks) sebesar 1,49 gr/cm3 pada pengujian metode standard proctor dengan hasil pada alat tekan pemadat modifikasi didapat nilai (γdmaks) sebesar 1,66 gr/cm3.
Analisis Perhitungan Stabilitas Lereng dengan Metode Fellenius (Ordinary Method of Slice) Menggunakan Program PHP (Professional Home Page Hypertext Preprocessor) Fatria, Akhmad Ridho; Iswan, Iswan; Zakaria, Ahmad
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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Slopes as we know is a sloping ground surface and forming an angle to a horizontal plane andunprotected. Slopes there are generally divided into two categories of land slope, the naturalslopes and artificial slopes. Slope collapse could occur as a result of thrust arising due to the loadon the ground. In the method of calculation of the safety factor of the slope stability, a methodfrequently used in calculating the slope stability is by Fellenius method (Ordinary Method ofSlice), Fellenius method first introduced by Fellenius, slope stability calculations with Felleniusmethod if the count is use a lot of complicated manual calculations so that it becomes lesspractical and relatively take times.One effort to get the accurate calculation of slope stability in a short time, which is by making thesafety factor calculation program on the stability of the slope using a programming language.From the comparison calculation with the program and the results of manual counting,Calculating the percentage difference of less than 1 %, so the program can be used. With the datathat you have this program is able to calculate with no more than 1 minute after entering the dataslope previously calculated manually. While for the time that is required in calculating or writingthe result of manual calculation takes more than 60 minutes. Then it will produce time efficiencyfaster than using a manual calculation.Keywords: Analysis of Slope Stability, Safety Factor, Fellenius Method, PHP

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