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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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MENENTUKAN PERBANDINGAN DERAJAT KEPADATAN TANAH  MUNGGUNAKAN ALAT UJI TEKAN MODIFIKASI METODE STANDAR DENGAN ALAT UJI PROCTOR STANDAR Hidayatulloh, Anwar; Afriani, Lusmeilia; Setyanto, Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 6, No 1 (2018): Edisi Maret 2018
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Tanah memegang peranan penting dalam infrastruktur untuk mencapai infrastruktur yang kokoh, tanah di sumatera memiliki dataran yang tidak rata, sehingga membutuhkan tanah untuk timbunan agar mendapatkan ketinggian tanah yang direncanakan. Timbunan memerlukan pemadatan tanah agar dapat benar-benar kuat dan stabil terhadap beban struktur maupun beban non struktur. Pada  penelitian ini adalah menentukan perbandingan derajad kepadatan tanah menggunakan alat uji tekan modifikasi dengan alat uji standar proctor. Penelitian ini menggunakan sampel tanah yang berasal dari daerah Gedung Agung Kec. Jati Agung, Lampung Selatan. Pelaksanaan pengujian alat tekan pemadat modifikasi dengan menggunakan empat sampel tanah pada masing-masing tekanan, tekanan yang digunakan yaitu 1,66 MPa, 6,2 MPa, 7 MPa dan 8,4 MPa.Berdasarkan hasil dari pengujian sifat-fisik dan mekanis, tanah digolongkan sebagai kelompok tanah A-2-4 yaitu tanah pasir berlempung. Pengujian dari uji pemadatan tanah menggunakan standard proctor didapatkan nilai 1,62 gr/cm3 dan nilai berat volume kering menggunakan uji alat tekan modifikasi didapatkan hasil 1,6234 gr/cm3, sehingga dengan hasil yang didapatkan alat uji tekan modifikasi dapat dipakai untuk menggunakan pengujian  uji pemadatan di laboratorium.
Pengaruh Subtitusi Pasir Pada Tanah Organik Terhadap Kuat Tekan dan Kuat Geser Rizki Dwi Putra; Iswan Iswan; Lusmeilia Afriani
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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Abstract

Physical properties of organic soils have a very high water content and low carrying capacity.One method to increase the carrying capacity of the soil is by adding or mixing with materials thathave a high carrying capacity. By adding sand on the sample in this study is expected to increasethe carrying capacity of organic soils of compressive strength and strong shear. The study wasconducted in the laboratory of Soil Mechanics Faculty of Engineering, University of Lampung, bymaking a sample of the results of compaction standard, then the samples are given the addition ofsand to the percentage increments of 5%, 10%, 15%, and 20% for the comparison of thecompressive strength (qu), shear angle (φ), and the value of cohesion (c) after the addition ofsand.Results of testing the compressive strength and shear strength showed soil behavior in a state ofthe sample with the addition of sand up to 20% has an increased qu and φ, but a decline in thevalue of soil cohesion. The more increasing mix of sand in the soil samples, the values ofcohesion / coherence on the ground will be more decreased, but the sand has good gradation andstrong grain will be able to withstand the load that works vertically or horizontally.Keywords: Organic Soil, Compressive strength and Shear strength, Friction Angle, and Cohesion.
Pengaruh Waktu Perendaman Terhadap Uji Kuat Tekan Paving Block Dengan Campuran Tanah, Pasir Dan Semen Menggunakan Alat Pemadat Modifikasi Restu Agusni; Setyanto Setyanto; Iswan Iswan
Jurnal Rekayasa Sipil dan Desain Vol 5, No 2 (2017): Edisi Juni 2017
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Abstract

Paving blocks are compositions of building material constructed from a mixture of Portland cement or other similar hydrolysis, water, and aggregate with or without other additives which do not reduce the quality of the material. Paving blocks in the field are made of cement, sand, aggregate, and water by mixing all the ingredients and form the paving blocks. In this research, the paving blocks are made of the mixture of soil, sand, and cement. In the process, the paving blocks are compacted by a modified penetration tool in order to improve the paving blocks quality in accordance with SNI-03-0691-1996.The soil samples used in this research were from Kota Baru, Lampung Selatan. The amount of mixture used for making the paving block was 75% of soil, 10% of sand and 15% of cement. The variations of curing time were 7 days, 14 days, 21 days and 28 days as well as with pre and post burning treatment on the paving block samples.The results of the compressive strength test to the paving blocks which are made of soil, sand, and cement showed that the cement and sand do not meet the standard of SNI 03-0691-1996 for the paving block classification because the highest compressive strength value is obtained by the paving blocks with pre and post burning treatment on the variation mixture of 75% soil, 10% sand, and 15% cement with the value 7,65 MPa and 7,25 MPa. The result of water absorption value which was between 16,6% - 25,4% do not meet the specification in SNI-03-0691-1996.Keywords: Paving block, silt, compressive strength, water absorption
Analisis Desain Gedung Whiz Hotel Metode Sistem Rangka Pemikul Momen Khusus lexono x nadeak; Suyadi Suyadi; Ratna Widyawati
Jurnal Rekayasa Sipil dan Desain Vol 4, No 3 (2016): Edisi September 2016
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AbstractSpecial Moment Resisting Frame System(SMRFS) is a system with the highest ductility and that has detail requirements in the calculation of structural reinforcement components of axial, bending and shear of beam and columns elements, as well as provisions regarding the beam column connection that will affect the overall performance building when receiving earthquake load. This study aims to determine the detail requirements of special moment resisting frame system in accordance with SNI 2847-2013 and performance evaluation of structures with pushover analysis. Based on study results, the level of structure performance in accordance with the performance point obtained shows that the values of the displacement target are 0.042 m in x-direction and 0.413 m in y-direction. The value of the performance point also shows that the building is designed in the Immediate Occupancy condition that is while the building receives the earthquake load, it is expected that the structure will not be damaged. Distribution of plastic hinge is appropriate to the expectation that is the strong column and the weak beam because plastic hinge formation begins from the beam element then the column element. From the pushover analysis, it is obtained the value of the actual reduction factors (R) are 8.9 in x-direction and 7.8 in y-direction, while the values of the actual system over strength factor (Ωo) are 4.34 in x-direction and 5.70 in y-direction and the values of actual deflection magnification factor (Rd) are 5.9 in x-direction and 5.2 in y-direction.Keywords : pavement distress types, severity level, PCIAbstrakSistem Rangka Pemikul Momen Khusus (SRPMK) merupakan sistem dengan daktilitas tertinggi dan memiliki persyaratan yang detail dalam perhitungan penulangan komponen struktur aksial, lentur dan geser untuk elemen balok dan kolom, serta ketentuan mengenai hubungan balok kolom yang akan mempengaruhi kinerja bangunan secara keseluruhan ketika menerima beban gempa. Penelitian ini bertujuan untuk mengetahui detail persyaratan sistem rangka pemikul momen khusus sesuai dengan SNI 2847-2013 dan evaluasi kinerja struktur dengan pushover analysis. Berdasarkan hasil studi, level kinerja struktur sesuai dengan titik kinerja yang didapat menunjukkan nilai dari target perpindahan untuk arah x sebesar 0,042 m dan arah y sebesar 0,413 m. Nilai dari titik kinerja juga menunjukkan bahwa bangunan yang di desain berada pada kondisi Immediate Occupancy dimana kondisi gedung saat menerima beban gempa diharapkan struktur tidak akan mengalami kerusakan. Distribusi sendi plastis sesuai yang diharapkan yaitu kolom kuat dan balok lemah karena terbentuknya sendi plastis diawali dari elemen balok terlebih dahulu kemudian diikuti elemen kolom. Dari hasil analisis pushover didapat nilai faktor reduksi gempa (R) aktual arah x sebesar 8,9 dan arah y sebesar 7,8, sedangkan nilai faktor kuat lebih sistem (Ωo) aktual arah x sebesar 4,34 dan arah y sebesar 5,70 dan nilai faktor pembesaran defleksi (Rd) aktual arah x sebesar 5,9 dan arah y sebesar 5,2.Kata kunci : SRPMK, titik kinerja, sendi plastis, analisis pushover
Variasi Temperatur Pencampuran Terhadap Parameter Marshall pada Campuran Lapis Aspal Beton Sarkis Enda Raya S; Priyo Pratomo; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 3, No 3 (2015): Edisi September 2015
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This study was conducted to determine the effect of temperature variations on the mixing processof the asphalt concrete AC-WC (Asphalt Concrete-Wearing Course) subtle gradations in themiddle limit and lower limit of the Marshall parameters with reference to specifications of BinaMarga, 2010.From the results of experiments conducted that the optimum asphalt content is used to middle limitusing a asphalt content of 5,7% and 6,8% for the lower limit after that mixing was done usingtemperature variation of 120 o C, 130 o C, 140 o C, 150 o C, and 160 o C.To a mixture of Laston AC-WC subtle gradations middle limit grading 5,7% asphalt contentmixing temperature using a temperature of 120 o C, 130 o C, 140 o C, 150 o C, 160 o C and still meet allstandards of marshall parameters. Ideal mixing temperature variations in the middle limit ofmixing temperature 150 o C-160 o C. While the lower limit to the level of 6,8% asphalt contentmixing temperatures between 120 o C-160 o C did not meet the specifications, because the MQ valuebelow the minimum value of 250 kg / mm.Keywords: Mixing temperature, 2010 Specification, Marshall, Asphalt Concrete-Wearing Course(AC-WC) Subtle Gradation.
Pengaruh Nilai Kohesi Tanah Terhadap Stabilitas Retaining Wall Pada Basement Gedung Bertingkat Feby Aristia Putri; Idharmahadi Adha; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 4 (2016): Edisi Desember 2016
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This study aims to determine the stability of the retaining wall as a basement storey building in the city of Bandar Lampung. This study uses secondary data, ie, bor logs and SPT. Data on. laboratory test results are obtained from the geotehnical report.Based on the geotechnical data on the stability calculation and reinforcement retaining wall. High retaining wall is 3.25 meters with a thickness of 0.6 meters and a width 1meter (reviewed per meter). Calculation of the stability of retaining wall just reviewed against the danger of sliding and rolling hazard. As for reinforcing the retaining wall of concrete is based on ISO 2013.From the analysis, obtained the value of stability to the danger of sliding and rolling 4.8 ≥ 1.5 were declared safe retaining wall against the danger of sliding and rolling. The results of calculations on the retaining wall reinforcement, for the main reinforcement D16 - 250, shear D13 - 200, and reinforcement for D10-300. Amount of reinforcement based on the calculation is similar to the design of reinforcement used in the construction of this multi-storey building.  Keywords: retaining wall, basement, shear stability and bolsters.
Perencanaan Embung di PT. Perkebunan Nusantara 7 Unit Usaha Bunga Mayang, Kabupaten Lampung Utara Zaina Khoerunnisa Nurul Fath; Gatot Eko Susilo; Margaretta Welly
Jurnal Rekayasa Sipil dan Desain Vol 5, No 4 (2017): Edisi Desember 2017
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Dalam rangka peningkatan produktivitas kebun tebu di PT. Perkebunan Nusantara 7 Unit Usaha Bunga Mayang, Kabupaten Lampung Utara, dilakukan revitalisasi puluhan embung untuk memenuhi kebutuhan air irigasi tanaman tebu.Perhitungan – perhitungan yang dilakukan dalam perencananaan embung ini meliputi analisa kapasitas tampungan menggunakan lengkung kapasitas, perhitungan curah hujan rencana menggunakan metode Log Pearson Tipe III, debit rencana menggunakan metode Rasional, analisa spillway, analisa tubuh embung, serta analisa kestabilan tubuh embung terhadap longsor.Dari perhitungan yang telah dilakukan diperoleh kapasitas tampungan sebesar 37224,24 m3, curah hujan rencana periode ulang 25 tahun sebesar 121,2384 mm, debit rencana periode ulang 25 tahun sebesar 1,89 m3/detik, mercu spillway menggunakan mercu Ogee Tipe I dengan elevasi mercu pada +42,5 dan elevasi muka air banjir pada +42,70. Tubuh bendungan menggunakan urugan tanah dengan kemiringan hulu 1 : 3 dan hilir tubuh embung adalah 1 : 2,25, elevasi puncak berada pada +44,0 dan elevasi dasar berada pada + 36,0. Tinggi jagaan tubuh embung dipakai sebesar 1,50 meter. Tubuh embung dan spillway dinyatakan aman terhadap gaya – gaya yang terjadi. Kata kunci : Embung, perencanaan, irigasi, PTPN 7.
Pengaruh Waktu Perendaman Terhadap Uji Kuat Tekan Paving Block Menggunakan Campuran Tanah dan Semen dengan Alat Pemadat Modifikasi Mutiara Prestika; Idharmahadi Adha; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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Paving Block is the product of a cement building materials that are used as an alternative groundcover of surface hardening. In general, paving block itself is usually made from a mixture ofcoarse aggregate (gravel) and fine aggregate (sand) with a mixture of cement and water areformed according to demand. So in this study, will provide another alternative to using a mixtureof soil and cement as well as soaking to know the effect of compressive strength.Soil samples were taken from Kota Baru, South Lampung. The mixture used is 20% cement and80% is soil, with a variation of immersion 7, 14, 21, and 28 days. Soaking were conducted withand without the combustion process to be seen compressive strength and water absorption.The result is that the compressive strength without burning has increased up to -28 immersion dayby 38.8%, while the compressive strength is experiencing burning decreased to 28 days amountedto 20.63%.Despite an increase in the sample without fuel, and a decrease in samples that undergocombustion, which produced the same compressive strength together to meet quality specificationD on SNI 03-0691-1996. Value of water absorption of pre-combustion meets the specification SNI03-0691-1996 which is 3%-10%. While with combustion does not meet due to exceed 10 %.Keys : paving block, cement, compressive strength,water absorption
Pengaruh Derajat Kejenuhan Pada Tanah Gambut Menggunakan Uji Kuat Geser Tanah Achmad Paksi Firdaus; Setyanto Setyanto; Ahmad Herison
Jurnal Rekayasa Sipil dan Desain Vol 6, No 3 (2018): Edisi September 2018
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The soil occupies an important role in the construction of a building, the main benefit of the soil isas a foundation of the construction, there are several soil shear strength tests, such as DirectShear Test, and Vane Shear Test. Each test can produce different test results for the same testobject. This may occur due to different testing procedures and workings of different tools as wellas the main test result targets of each equipment in the determination of soil parameters.Therefore, a careful soil investigation is needed, especially to determine the degree of saturationin peat soils by using soil shear strength test. In this study, the soil tested is a type of peat soiloriginated from the Rawa Seragi area, Belimbing Sari Village, Jabung District, East LampungDistrict.The tests were conducted directly in the laboratory for 12 (twelve) points and at differentdepths with Vane Shear and Direct Shear tools used to calculate the soil and maximum readingability on the torsimeter dial. Based on the test results obtained the average shear strength valueof Vane Shear on saturated soil at 30cm with an average value of 0.0379 and at a depth of 50cmwith an average value of 0.0384 and on unsaturated soil at a depth of 30cm with an average valueof 0.0434 and at a depth of 50cm with an average value of 0.0406 thus obtained a decrease of0.0066.Keywords: Degree of Saturation, Peat Soil, Shear Strength Test
Pengaruh Penambahan Pasir Terhadap Tingkat Kepadatan dan Daya Dukung Tanah Lempung Organik Ferdi Ferdian; Muhammad Jafri; Iswan Iswan
Jurnal Rekayasa Sipil dan Desain Vol 3, No 1 (2015): Edisi Maret 2015
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Abstract

The problem of density level and bearing capacity of soil is one of things that really need toconsidered in the planning and construction work of a civilian building . This is because the landin question serves as a medium that holds the load or the action of a construction that is built on it. Stabilization using sand material is one way to meet the needs of the required strength . Changesin weather and temperature in the field are factors that makes the soil unstable .The type of soil is organic clay stabilized from the Gedong Pasir village, Jabung District, EastLampung District. This research was conducted by using a mixture of sand with variations mixtureof 5 %, 10 % and 15 %. After the CBR testing, Density, Atterberg Limits and Specific Gravity foreach sample.The more variations of a mixture of sand were added resulting in declining water levels that wouldmake the value of the soil carrying capacity increases, the value of density and plastic limitincreased, while the value of the liquid limit and plasticity index decrease.Keywords: sand, organic clay, bearing capacity

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