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All Journal Jurnal Rekayasa Jurnal Rekayasa Sipil dan Desain Jurnal Pengabdian Masyarakat Indonesia Seminar Nasional Insinyur Profesional (SNIP) Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung JOURNAL OF PEOPLE, FOREST AND ENVIRONMENT
Lusmeilia Afriani
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Public Health Social Sciences Other

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Journal : Jurnal Rekayasa Sipil dan Desain

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Pengaruh Kejenuhan Air Tanah Lempung Organik Menggunakan Permodelan Laboratorium Chintia Makki; Setyanto Setyanto; Lusmeilia Afriani
Jurnal Rekayasa Sipil dan Desain Vol 5, No 2 (2017): Edisi Juni 2017
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The limited area for civil construction is affecting people to make building construction upper the clay- organic. The speciment of investigation soil wasobtained in Jabung, East Lampung. The speciment of soil obtaindirect shear and vane shear modeling test usingglass box with contain ±130,730gram/ 130,7kgof soil. Direct shear test for 30 cm depth below surfaceundrained soil obtainsomeresult.The result are forshearing strain is 0,1286 kg/cm2, shearing strain of vane shear test is 0,61 kg/cm2, and the value of bearing capacity is 1,4103 kg/cm2. for 50 cm depth below surfaceundrained soilintoobtain result for shearing strain is 0.1196 kg/cm2, shearing strain of vane shear test is 0,61 kg/cm2, and the value of bearing capacity is 1,7018 kg/cm2. Direct shear test for 30 cm depth below surfacedrained soilobtain result for shearing strain is 0,1286 kg/cm2, shearing strain of vane shear test is 0,61 kg/cm2, and the value of bearing capacity is 1,0347 kg/cm2 , for 50 cm depth below surfacedrained soilobtain result for shearing strain is 0,0861 kg/cm2, shearing strain of vane shear test is 0,46 kg/cm2, and the value of bearing capacity is 1,3997 kg/cm2 From the direct shear and vane shear test, it was obtained that shearingstrain in direct shear test is lower than vane shear test. Keywords: Direct Shear Test, Vane Shear Test, Shearing Strain, The Clay-Organic, Bearing Capacity
Analisis dan Perencanaan Pondasi Tiang Bored Pile pada Jembatan Jalur Ganda Kereta Api Bekri Kabupaten Lampung Tengah Muhammad Wahyuddin; Amril Ma`ruf Siregar; Lusmeilia Afriani
Jurnal Rekayasa Sipil dan Desain Vol 7, No 4 (2019): Edisi Desember 2019
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Provinsi Sumatera Selatan memiliki cadangan batubara sekitar 22,24 milyar ton. Batubara di Provinsi Sumatera Selatan 85 % dari total batubara di Pulau Sumatera. Tambang Batubara berada di Tanjung Enim, Sumatera Selatan. Batubara tersebut diangkut menggunakan Kereta Api Barang. Setiap kereta api terdapat 60 gerbong. Setiap gerbong dapat memuat 50 ton batubara. Pembangunan rel ganda akan meningkatkan kuantitas angkutan kereta api. Pembangunan kereta api jalur ganda dapat menghemat waktu 20-40 menit kereta api penumpang dan 30 menit bagi kereta barang. Pembangunan kereta api jalur ganda melewati wilayah Bekri, Lampung Tengah. Pembangunan tersebut memerlukan jembatan kereta api untuk melintasi sungai di Way Tipo. Jembatan kereta tersebut dibuat dengan pondasi Bored Pile. Pondasi Bored Pile tersebut memiliki diameter 1 meter. Pondasi boredpile dibuat 9 buah dan panjang 9 meter. Dari hasil analisis diperoleh nilai daya dukung ijin lebih besar dari daya dukung rencana. Hasil analisis diperoleh nilai daya dukung ijin 3273,19 kN dan daya dukung rencana 3220,13 kN. Dari hasil perhitungan, pondasi bored pile dapat menahan beban yang bekerja.  Kata kunci : pondasi, jembatan, bored pile, Fakultas Teknik, Universitas Lampung.
Analysis Factor Safety of Slopes With Sandy Loam Soil Types on Conditions Not Saturated, Saturated Conditions and Partially Saturated Conditions Using Computing Program Datra Peta Saputra; Lusmeilia Afriani; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 8, No 1 (2020): Edisi Maret 2020
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Natural disasters often occur in hilly areas in Lampung Province, namely landslides. Landslides that occur due to increased pore water pressure. The 2012 GeoStudio SLOPE / W program can analyze slope stability that can be modeled according to the original conditions in the field and can know the value of the safe slope factor. In this study, there were three cross section slopes with three groundwater conditions, namely the condition of the groundwater level at the base of the slope, half the height of the slope and following the maximum height of the cross section of the slope. Land property data needed include : cohesion, shear angle in soil and weight of soil contents. Slope stability is achieved when the retention force is greater than the driving force. The results of the analysis of slope stability show that the condition of the groundwater is very influential on slope stability, can be seen from the results of GeoStudio SLOPE / W 2012 analysis in simulation 1 and simulation 2 safe factor values obtained >1.25 that is  slopes are in safe status, while in simulation 3 the saturated condition has a safe factor <1,25 that is unsafe slopes or landslides, it is recommended to take care to prevent landslides. Key words : soil, slope stability, safety factor, geostudio slope/w 2012
Kajian Perbaikan Tanah Dasar dan Proteksi Lereng pada Rencana Jalur Ganda Kereta Api Antara Giham-Martapura oktario eko hidayat; lusmeilia Afriani; Amril ma&#039;ruf siregar
Jurnal Rekayasa Sipil dan Desain Vol 8, No 3 (2020): Edisi September 2020
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The train is a means of transportation favored by the community because the train is one of the modes of transportation that has special characteristics and advantages. Along with the development of infrastructure development in Lampung Province and South Sumatra Province, the planning and design of a building must be done carefully and well, one of them is by building a double track between Giham - Martapura, South Sumatra because the application of one track has many obstacles. It is hoped that the addition of the double track can make the train schedule more timely and can improve the quality of the trip. Based on the results of the Atterberg boundary test the soil originating from the undisturbed soil sample of the Giham-Martapura railroad gets an PI value <LL-30 (26.51% <27.95%), then the land based on the AASHTO system is classified into A -7-5 that is clay soil and as subgrade material has normal to poor evaluation. Keywords: railroad, land, double track, slope protection.
Uji Kepadatan Tanah Timbunan Pilihan Untuk Inti Bendung Terhadap Nilai Permeabilitas Hany Octavia Anggraini; Iswan Iswan; Lusmeilia Afriani
Jurnal Rekayasa Sipil dan Desain Vol 9, No 1 (2021): Edisi Maret 2021
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The development of infrastructure development in Indonesia is increasing in various areas, such as the construction of reservoirs, reservoirs, dams and other constuctions. One of the important things that is the basis of development is land because almost all buildings stand on the ground. Therefore, it is necessary to know the type of soil used and the nature of the soil permeability. Soil permeability describes the ability of the soil to pass water. Soil samples used were soil samples from Pamenang village, Pagelaran sub-district, Pringsewu district. Soil samples taken are disturbed and undisturbed soil samples. The soil is then compacted by the standard method and with the pressure method test apparatus at a pressure of 2,5 MPa, 5 MPa, 7,5 MPa, 10 MPa, 15 MPa, 20 MPa, and 30 MPa, each method has one sample being tested. Furthermore the permeability test was carried out to obtain the permeability coefficient value.Results from observations in the laboratory show that the greater the pressure exerted on the soil, the smaller the permeability coefficient. The relationship between the permeability coefficient and the standard compaction method and the pressure method obtained different permeability coefficient values.Keyword : Soil, Compaction, Pressure and Permeability
ANALISIS PERMEABILITAS TANAH YANG DIPADATKAN DENGAN MENGGUNAKAN METODA CUBIC PERMEAMETER Mohammad Yogi Alnasir; Lusmeilia Afriani; Idharmahadi Adha
Jurnal Rekayasa Sipil dan Desain Vol 8, No 1 (2020): Edisi Maret 2020
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AbstractThe development of infrastructure in Indonesia is increasing in various regions such as the construction of reservoirs, dams and other construction. One of the important things that became the basis of development is foundation ground. Therefore, it is necessary to know the type of soil used and the permeable nature of the soil. Soil permeability illustrates the ability of soil to pass water. In this study to determine the permeability of the soil by using a cubic mold and compare the results of soil permeability obtained from compacted soil using the pressure method and the standard method. Soil samples used were from Pamenang village, Pringsewu. Soil taken is disturbed and undisturbed soil samples. The soil was then compacted by a standard method and with a pressure test method at a pressure of 5 MPa, 10 MPa and 15 MPa. Then the permeability test is carried out to get the permeability coefficient. The results of observations in the laboratory show the greater pressure applied to the soil, the smaller coefficient of permeability. The relationship between the permeability coefficient with standard compaction method and the pressure method get the permeability coefficient value so that the pressure is between 5 to 10 MPa. Keywords: Soil, Compaction, Pressure and Permeability. AbstrakPerkembangan pembangunan infrastruktur di Indonesia sedang meningkat diberbagai daerah seperti pembangunan waduk, embung, bendungan dan konstruksi lainnya. Salah satu hal penting yang menjadi dasar dalam pembangunan adalah pondasi tanah. Oleh karena itu, perlu mengetahui jenis tanah yang dipakai dan sifat permeable tanah tersebut. Permeabilitas tanah menggambarkan kemampuan tanah dalam meloloskan air. Pada penelitian ini untuk mengetahui permeabilitas tanah dengan menggunakan mold segiempat dan membandingkan hasil permeabilitas tanah yang didapatkan dari tanah yang dipadatkan menggunakan metode tekanan dan secara metode standar. Sampel tanah yang digunakan berupa sampel tanah yang berasal dari desa Pamenang, Pringsewu. Tanah yang diambil merupakan sampel tanah yang terganggu dan sampel tanah tak terganggu. Tanah tersebut selanjutnya dipadatkan dengan metode standar dan dengan alat uji metode tekanan pada tekanan 5 MPa, 10 MPa, dan 15 MPa. Selanjutnya dilakukan pengujian permeabilitas untuk mendapatkan nilai koefisien permeabilitasnya. Hasil dari pengamatan di laboratorium menunjukan semakin besar tekanan yang diberikan pada tanah maka semakin kecil koefisien permeabilitasnya. Hubungan koefisien permeabilitas dengan metode pemadatan standar dan metode tekanan memperoleh nilai koefisien permeabilitas sehingga tekanan berada diantara nilai 5 sampai 10 MPa.  Kata kunci: Tanah, Pemadatan, Tekanan dan Permeabilitas.
Studi Analisis Penurunan Tanah Lempung Lunak dan Tanah Lempung Organik Menggunakan Pemodelan Matras Beton Bambu Nawawi Nawawi; Lusmeilia Afriani; Iswan Iswan
Jurnal Rekayasa Sipil dan Desain Vol 5, No 3 (2017): Edisi September 2017
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The strength of infrastructure buildings is influenced by the type of soil underneath. One type of land that is widely found in the land in the province of Lampung is fine-grained soil. The fine grained soil is meant soft clay and organic clay. Construction of the above clay will experience significant land subsidence constraints when given the loading. The load that causes the pore water pressure increases so that the pore water out and soil decreases consolidatively. Therefore, it is necessary to study soil degradation using box test and bamboo concrete mats as a means of land degradation. The result of clay decline testing using boks modeling and bamboo concrete mat, soft clay experience faster rate of process of decline (Cv) than organic clay. The magnitude of soft clay (Cc) decline is less than that of organic clay. Soft clay volumes are also changing volume (Mv) faster than organic clay. Coeficient of compression(av) of soft clay is also faster than organic clay. The total decline in total soil over a 20 year period on soft clay is smaller than that of organic clay. Keywords : Clay, Test Box, Bamboo Concrete Mattress, Soil Consolidation
ANALISIS PENGARUH PENAMBAHAN ZAT ADDITIVE ISS 2500 TERHADAP KUAT TEKAN BATU BATA DENGAN DAN TANPA PROSES PEMBAKARAN Aria Febriantama; Lusmeilia Afriani; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
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Brick is a material t h a t made of clay. Bricks were made with or without additional mixturel throughsome processes and stages. I n t his study used the clay with additional mixture 2500 ISS ( Ionic SoilStabilizer ) which has variety levels mixture of 0,9 ml, 1,2 ml , 1,5 ml and 2,1 ml with the intention to improvethe quality of brick. It is necessary to do the research , so this study can be compared with SNI standards.The tested samples in this study are clay that comes from jl . Nunyai , Rajabasa . It sample was curing for 7day and then, the samples will be done with or without burning process.Based on the results of physical testing the samples, USCS classify soil samples as clay with low plasticityand belongs to the ML group . After doing research of compressive strength testing of with and withoutburning process from four levels generating the compressive strength maximum average at a level of 2.1 mlboth of them. With value 21,24 kg / cm 2 for burning process and 4.25 kg / cm 2 for without burning process.Which is both of those treatments are not included into 25 classes based on tables strength of compressedbricks ( SNI 1991 ).Keywords: brick, clay, iss 2500 (ionic soil stabilizer), compressive strength.
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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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
Analisa Kelongsorang Lereng Akibat Dari Peningkatan Kadar Air YangTinggi Muhamad Rizki Rinaldi; Lusmeilia Afriani; Yohanes Martono Hadi
Jurnal Rekayasa Sipil dan Desain Vol 8, No 3 (2020): Edisi September 2020
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The level of slope safety is influenced by several factors. Such as slope conditions with largeloads, steep slopes and heavy rain conditions. This often results in landslides around the TransSumatra toll road, Pematang Panggang. So that around the slopes reinforcement is needed so thatthe slopes are more stable.Based on the results of laboratory tests and research in the field, the results of the calculation ofthe slope safety value program with a 30% saturation degree condition, the safe factor value is1.2946, the degree of saturation 40%, the safe factor value is 1.2881 and the degree of saturationis 60%, the safety factor value is equal to 1,2761. Because the lowest safe factor value is at 60%saturation degree, slope stability is handled at 60% saturation degree, which is strengthened bythe cutting method on the slope body and using sheet pile to get slope reinforcement. Two methodsof handling slope stability were carried out. From the comparison of slope stability handling with60% degree of saturation, the safe slope conditions are in handling one because there is nosubsidence and soil displacement to the free slope area.
Co-Authors 2016_Monica destia Abdil Hafizh Arrofiq Ahmad Zakaria Amril Ma&#039;ruf Siregar Amril Ma`ruf Siregar Annisa Tiara Rulya Aria Febriantama Aulia R Sudarman Bainah Sari Dewi Chintia Makki Datra Peta Saputra Dedi . Dikpride Despa Fadli Imran Fajar Destri Atmoko Fransiskus Afrie Gde Satya Yudha Tama Habibi Nur Arifin Hany Octavia Anggraini Hedi Saputra idarmahadi adha Idharmahadi Adha Ikratul Herman Irza Sukmana Iswan Iswan Ivan Sukastian karina apriliani puspa zulmi M. Iqbal Hermawan Mohammad Yogi Alnasir Monica destia muhamad rizki rinaldi Muhammad Malik Purnama Muhammad Wahyuddin mutia andriani Nawawi Nawawi Novita Nurdiana Ofik Taupik Purwadi oktario eko hidayat Renold Pangidoan Rambe Rian Alfian Rizki Dwi Putra Ryzal Perdana Setyanto Setyanto Sugeng p Harianto Syahreza Nurdian Yan Juansyah Yohanes Martono Hadi yota pentawan yusuf sukamto