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All Journal International Journal of Applied Power Engineering (IJAPE) PROSIDING SEMINAR NASIONAL Tadulako Journal Sport Sciences And Physical Education Jurnal Rekayasa Jurnal Rekayasa Sipil dan Desain DINAMIKA Jurnal Ilmiah Teknik Mesin REFLEKSI EDUKATIKA Terampil : Jurnal Pendidikan dan Pembelajaran Dasar UNM Geographic Journal Jurnal Environmental Science Civil and Environmental Science Journal (CIVENSE) Islamic Management: Jurnal Manajemen Pendidikan Islam IKRA-ITH ABDIMAS Holistika : Jurnal Ilmiah PGSD Jurnal Teknodik Edukids: Jurnal Pertumbuhan, Perkembangan, dan Pendidikan Anak Usia Dini JURNAL PENDIDIKAN, SAINS DAN TEKNOLOGI Al'adzkiya International of Education and Sosial (AIoES) Journal juremi: jurnal riset ekonomi Jurnal Ranah Publik Indonesia Kontemporer (Rapik) Pedagogy : Jurnal Pendidikan Matematika PENANOMICS: INTERNATIONAL JOURNAL OF ECONOMICS Seminar Nasional Insinyur Profesional (SNIP) JPNM : Jurnal Pustaka Nusantara Multidisiplin AN-NAS: Jurnal Pengabdian Masyarakat Jurnal Papeda: Jurnal Publikasi Pendidikan Dasar
Iswan Iswan
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Uji Kuat Tekan Paving Block Menggunakan Campuran Tanah dan Kapur Dengan Alat Pemadat Modifikasi Diah Larasati; Iswan Iswan; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
Publisher : Jurnal Rekayasa Sipil dan Desain

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Paving blocks are widely used as a public building construction, especially for paving roads,yards, sidewalks, parking lots, etc. The use of materials such as paving block the main constituentof cement and sand is relatively expensive. So in this study will provide another alternative tousing a mixture of soil and lime.Soil samples tested were from Kota Baru, South Lampung, with variations in the levels of themixture used is 0%, 5%, 10%, 15%, and 20% and the curing time for 14 days, as well as with thetreatment without burning and burning which will then be tested compressive strength and waterabsorption.The results showed that the compressive strength occurs at the most optimal mix of 15% and adecline in a mixture of 20%. The addition of lime percentage ≤15% resulted in the addition ofcompressive strength of paving blocks, while the addition of lime percentage of 20% resulted in adecrease in the compressive strength of the paving blocks. The compressive strength withoutburning still not meet the specifications of SNI 03-0691-1996, while paving blocks with burningthe lime content of 15% is already included in the classification of the quality of D. Waterabsorption test values not meet the specifications of paving blocks SNI 03-0691-1996 whichranges from 3%-10%.Keywords : Paving block, kapur, kuat tekan, daya serap air
Pengaruh Penambahan Zat Additive Abu Sekam Padi dan Matos Terhadap Nilai CBR (California Bearing Ratio) Tanah Lempung Sindu Abadi Sampurna; Iswan Iswan; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 6, No 1 (2018): Edisi Maret 2018
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Soils have different types and different carrying capacity. One of them is clay soil that has the low carrying capacity. Viewed from the rapid development of infrastructure in Indonesia, does not rule out the possibility that the infrastructure built in areas with clay soil types. Given the small carrying capacity of the clay, the soil should be improved in order to support the development of a construction.soil improvement with an additional mixture of rice husk ash and matos as stabilizer can improve soil quality. This research was conducted with rice husk ash mixture of 6%, 8%, 10%, and 12% and matos with level 3,3898% gr. Then curing for 7 days, 14 days, 21 days, and 28 days without immersion.Soil that used in research is from Sidomulyo, South Lampung is a type of clay soil that belongs to the A-7-5 group based on the AASTHO classification. Research in laboratory showed that 28 days of curing with 12% rice husk ash mixture had the highest CBR value from other curing durations. Soil clay CBR value increased from 7.3% to 31.8%. This shows that the ash mixture of rice husk and matos is quite effective in increasing the carrying capacity of clay soil. 
Studi Kasus Longsor pada Ruas Jalan Kecamatan Batu Ketulis Lampung Barat dengan Menggunakan Analisis Komputasi dan Metode Penanganannya M Lucky Apriansyah Nawawi; Iswan Iswan; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 9, No 2 (2021): Edisi Juni 2021
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Batu Ketulis merupakan kecamatanyang berada di Kabupaten Lampung Barat, provinsi Lampung. Lampung Barat adalah salah satu daerah di Lampung yang memiliki potensi rawan longsor. Penelitian ini adalah untuk mengetahui nilai faktor aman lereng dan menghitung stabilitas lereng menggunakan Bronjong untuk menahan daya dukung tanah agar aman dan tidak longsor, yang dihitung menggunakan program komputasi dengan metode fellenius, bishop dengan kondisi muka air tanah jenuh, jenuh sebagian, dan tidak jenuh. Hasil penelitian menunjukan bahwa parameter tanah berpengaruh terhadap stabilitas lereng, kondisi tanah jenuh penuh memiliki nilai terendah dibandingkan dengan kondisi lainnya. Dari hasil penelitian didapat nilai faktor aman terkecil sebelum penanganan yaitu pada lokasi II dengan elevasi ketinggian 20 m dan sudut kemiringan 30° ,35° ,40° sebesar 1,074, 1,023, 1,008 pada kondisi muka air tanah jenuh penuh. Pada kondisi lerengsetelah penanganan menggunakan bronjong didapat nilai sebesar 2,462, 2,303, 2,223 untuk metode Fellenius, sedangkan untuk metode Bishop sebesar 2,12, 2,006, 1,95.Penangananmenggunakan bronjong cukup efektif terhadap meningkatnya faktor aman sehingga penanganan longsor menggunakan bronjong cukup stabil jika diterapkan di lokasi penelitian.
Pengaruh Waktu Pemeraman Terhadap Uji Kuat Tekan Paving Block dari Campuran Tanah dengan Semen Menggunakan Alat Pemadatan Modifikasi Risqon Septian; Iswan Iswan; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 2 (2016): Edisi Juni 2016
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Paving block is a building material composition made of a mixture of Portland cement or other similar hydraulic adhesive material, water, and aggregates or without other additives that do not reduce the quality of the concrete. In the implementation, paving blocks are made of basic materials such as cement, sand, aggregates and water by mixing all the ingredients and printing the mortar of paving block. One of the efforts to create new innovations in appliance manufacture of paving blocks so that paving blocks compactor was created which were expected to improve the quality of the paving block with the basic mixture of cement and soil.Soil samples tested in this research were soils derived from Kota Baru, Lampung Selatan. Content mixture used was 20% and conducted from 7 days, 14 days, 21 days, and until 28 days curing time as well as the pre and post-combustion treatment on the sample of paving blocks. Based on the physical properties of soil testing, USCS classifies the soil samples as fine-grained soils and belongs to CL group.The results of the research showed that the manufacture of paving blocks using the clay materials with additive materials such as cement fulfilled paving block SNI-03-0691-1996. The addition of the additive materials and curing can increase the physical and mechanical properties of the soil. For the compressive strength of paving blocks without and with burning process were best shown in the addition of a mixture of 20% content with curing time to 14 days. Beside the compressive strength, overall the water absorption between 3-9% qualifies paving block SNI-03-0691-1996. Keywords: paving blocks, clay, compressive strength, curing time, water absorption.
Hubungan Nilai Konsolidasi dan Nilai Kuat Tekan Bebas pada Tanah Lempung yang Disubtitusi Material Pasir Dedy Kurniawan; Iswan Iswan; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 3, No 1 (2015): Edisi Maret 2015
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This study was conducted to determine the behavior of reduction and compressive strength in claywhich is substituted with sand material and to see the correlation between the value ofconsolidation and the compressive strength on the soil. Because the clay when getting loadingthere will be a significant reduction in soil that affects the reduction in carrying capacity orcompressive strength of the soil. In this study used clay from the village of Belimbing Sari, Jabungdistrict, East Lampung with the coordinates of 105° 39 '10.74 "T and 5 ° 31' 44.26" S.The research was done by testing on samples without a mixture of clay and the clay soil mixedwith sand with varying amounts of sand mixture of 10%, 20%, and 30%. Testing was conducted ona standard compaction test to find the optimum water content, consolidation testing to find thevalue of the coefficient of consolidation (Cv), compression index (Cc) and coefficient ofcompression (Av) and compressive strength testing are free to seek the compressive strength on thesoil.Based on the results of this study can be seen in the behavior of a mixture of clay and sand withoutonce mixed with sand material that is an increase in the value of the coefficient of consolidation(Cv), a decrease in the value of compression index (Cc) and coefficient of compression (Av) and anincrease in the compressive strength (qu) in the clay soil. Value increases and decreases that occurwithout a mixture of clay and after mixed variations mixture of 10%, 20%, and 30% tend to bestable. From this study it can be concluded that the value of consolidation and strong correlationpress substituted clay with sand material that is smaller then the consolidation of soil compressivestrength will be greater as well.Keywords: Soil Clay, Sand, Consolidation, Soil Compressive Strength
Studi Kekuatan Pasangan Batu Bata Pasca Pembakaran Menggunakan Bahan Additive Zeolit Aldy Fernanda; Iswan Iswan; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 3, No 3 (2015): Edisi September 2015
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In this research the reseacher used the worst material of soil with additive materials named theash of bagasse in purpose to utilize the waste and to increase the strength of the bricks so that itcan produce cheap bricks with good quality that can be an alternative for bricks industries.Soil samples were tested in this study is derived from the silt soil region Nyunyai road,Kec.Rajabasa. Variations in the levels of the mixture used is 6%, 8%, 10%, and 12% and dryingfor 7 days, with burning treatment and without burning treatment. Based on the results of physicalexamination native land, USCS classify soil samples as fine-grained soil and belong to the CLgroup.The results showed that the brick-making post-combustion using zeolite mixture meets theIndonesian National Standard (SNI) bricks for building materials. In general, the addition ofzeolite material in the soil reduces the value of the density of the soil mixture. For the compressivestrength of bricks without combustion and combustion processes are best shown in the addition ofa mixture of 10%-12%.Keywords: Bricks, silt soil, zeolite, compressive strength
Pengaruh Waktu Pemeraman Terhadap Daya Dukung Tanah Lempung Dan Lanau Yang Distabilisasi Dengan Menggunakan Kapur Pada Kondisi Rendaman (Soaked CBR) Fransiskus Afrie; Lusmeilia Afriani; Iswan Iswan
Jurnal Rekayasa Sipil dan Desain Vol 5, No 4 (2017): Edisi Desember 2017
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ABSTRACTThe soil layer is the bottom layer that has function to forward the load from construction on it. But not always the basic soil layer is able has function properly as the bearing capacity. The soil stabilization method with lime additive is an alternative that can be used in planning on a unstable soil construction. The aim of this research is to know the physical characters of clay soil in Sidodadi Asri area, Jati Agung subdistrict, South Lampung regency and the type of silt soil in Yosomulyo area, East Metro District, Metro City. And also to know the increase of the bearing capacity of both types of soil with variation of curing time of 7, 14 and 28 days. From the result of the physical character research and mechanical of original soil samples obtained so it can be concluded that land taken from Sidodadi Asri village classified as clay with high plasticity, while the soil from yosomulyo village is clay with low plasticity. And on the CBR test in the ideal soaking conditions with ideal lime content showed that the increase of CBR value in each soil type along with the increase of the curing duration of 2.8%, 4%, 6.4% and 10.2% in clay and 2, 2%, 3%, 3.6% and 6% in silt soils. This suggests that the ideal lime composite in addition to the curing duration gives a positive effect to increase bearing capacity soil or CBR value. Keywords: Lime, Stabilization, Clay and Silt Soil, Soaked CBR. 
Studi Kuat Tekan Paving Block dari Campuran Tanah, Semen, dan Abu Sekam Padi Menggunakan alat Pemadat Modifikasi Sherliana Sherliana; Iswan Iswan; Setyanto Setyanto
Jurnal Rekayasa Sipil dan Desain Vol 4, No 1 (2016): Edisi Maret 2016
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One of means transportation wich already familiar is paving block. Paving blocks made of amixture of portland cement or adhesive material like hydrolysis, water, and aggregates with orwithout other ingredients. However, the use of the material is made into high production rates.Therefore, in this study the process of manufacture of paving blocks will be tested using alternativematerials such as soil mixtures with rice husk ash additive materials derived from residualcombustion rice straw waste combined with portland cement.Soil samples were tested in this study are derived from clay Kota Baru, South Lampung are..Variations in content the mixture used was 0%, 7%, 9%, 11% and 13%, to 14 days curing timeand with burning treatment and without burning paving block samples. Based on the results ofphysical testing original soil, USCS soil samples classified as fine-grained soil and included in theCL group.The results showed that the manufacture of paving blocks using the soil material with additivematerials such as rice husk ash and cement did not fulfill SNI paving block. However, in generalthe addition of the additive materials can increase the physical and mechanical properties of thesoil. It is proved by the increasing value of the optimum moisture content and ductility of pavingblocks. For the compressive strength of paving blocks without and with burning process is bestshown in the addition of a mixture of 9% content.Keywords: Paving blocks, clay soil, compressive strength
KORELASI NILAI DDT PADA TANAH LEMPUNG DAERAH LAMPUNG SELATAN YANG TELAH DI SWELLING MENGGUNAKAN ABU KELAPA SAWIT TERHADAP TEBAL PERKERASAN JALAN RAYA martha vepti dhina; iswan iswan; aminudin syah
Jurnal Rekayasa Sipil dan Desain Vol 8, No 2 (2020): Edisi Juni 2020
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Kerusakan jalan raya terjadi akibat pengembangan pada tanah dasar (Subgrade) masih cukup tinggi, sehingga dibutuhkan stabilisasi. Tujuan penelitian ini untuk mengetahui nilai DDT tanah lempung yang telah di swelling menggunakan abu kelapa sawit untuk tebal perkerasan jalan raya.Pengujian laboratorium yang dilakukan adalah uji indeks properties, pemadatan, uji CBR dan swelling. Uji CBR dilakukan pada sampel tanah asli dan yang telah dicampur dengan abu kelapa sawit dengan kadar campuran 6%, 8% dan 10% dengan pemeraman selama 4, 7 dan 10 hari. Uji CBR yang dilakukan adalah CBR Soaked dan Unsoaked.Tanah dari Desa Marga Kaya Lampung Selatan berdasarkan klasifikasi USCS berupa CL atau lempung tak organic dengan plastisitas rendah, sedangkan klasifikasi AASTHO yaitu kelompok A-7-6 tergolong tanah berlempung. Nilai CBR Unsoaked optimum terjadi pada campuran kadar abu 8% dengan pemeraman 7 hari sebesar 19,3%. Nilai CBR Soaked optimum pada campuran abu 8% dengan nilai  2,2%. Ketebalan perkerasan jalan pada CBR Soaked efisien pada campuran abu kelapa sawit 8% dengan ketebalan D1 = 7,5 cm, D2 = 25 cm dan D3 = 40 cm. Nilai swelling optimum pada campuran abu kelapa sawit 10% yaitu sebesar 2,86% termasuk ke dalam potensi pengembangan rendah. Nilai DDT dipengaruhi oleh nilai CBR semakin besar nilai CBR maka DDT akan semakin meningkat.Kata Kunci: Stabilisasi, Abu Kelapa Sawit, California Bearing Ratio, Swelling,  DDT, Tebal Perkerasan Jalan.
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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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
Co-Authors Abdil Hafizh Arrofiq Achmad Satria Nursar Ade Setiawan Ahmad Zakaria Ahmad Zakaria Albertus Willy Pratama Aldy Fernanda Alward Farabi Amal Khairan Andius Dasa Putra Andius Dasa Putra Aswir Aswir Ati Kusmawati Aulia R Sudarman Ayu Ning Trias Pratiwi Badruzzaman Aji Bahar, Herwina Bahfen, Munifah Basuki Sri Hermanto Bravo Pandiangan Carissa, Caroline Clara Christian Prasenda Dani Aprizal DELLA ANDANDANINGRUM Desti Rahayu Devrisvansyah Irwan Dewi, Afini Riani Dhea Chandra Dewi, Dhea Chandra Dewi Diah Andika Sari Diah Larasati DIRGANTARA WICAKSONO Duha, Mayunata Faanzir, Faanzir Fatmi Riandini Fatria, Akhmad Ridho Ferdi Ferdian Fikri Alami Fikri Alami Fransiskus Afrie Hadi, Sofian Hadidah, Indah Handayani, Friska Hany Octavia Anggraini Happy Indira Dewi hardianto widyastomo Haryati Haryati Hatapayo , Abdul Aziz Hedi Saputra hermawan arbenta Husainah, Nazifah I Komang Tri Herdiana Ikratul Herman Imam Wahyudin Indah Parsianti Istikomah Istikomah Jafri, M. julian fahlefi Lusmeilia Afriami Lusmeilia Afriani Lusmeilia Afriani M Lucky Apriansyah Nawawi M. Fahmi Rinaldi M. Iqbal Hermawan Ma'rufi, Ma'rufi Markus Manik martha vepti dhina Mirsa Susmarani Muhammad Aldani Muhammad Ilyas Muhammad Jafri muhammad karami Muhammad Nur Kholiq Muhammad Rendi Ramdhani Natanael Sembiring Nawawi Nawawi NURWAHIDAH NURWAHIDAH Ofik Taufik Purwadi, Ofik Taufik Panca Kurniawan Prayitno, Irwan Putra Andrean A. Putri, Silfa Nayyira Rahayu Sulistyiorini Rahayu Sulistyorini Rahman, Muhammad Natsir Rasyid, Ramly Renold Pangidoan Rambe Restu Agusni Retno Primantiko Retno Wulandari Rian Alfian Riansyah Putra Rio Dwi Septian Risqon Septian Ritonga, Matnur Rizki Dwi Putra Rizki Prinanda Umar Rizki, Fildzah Rizki, M. Rosmini Maru S. Indira Adhi Ariana Saiful Bahri Salsabila Atalia Sadil Sejati, Septias Herson Setyanto Setyanto Sherliana Sherliana Sholehuddin, Sholehuddin Sindu Abadi Sampurna Siti Yulianah M. Yusuf SRIYANTI RAHMATUNNISA Sulaiman Zhiddiq, Sulaiman Sumiharni Sumiharni Sundi, Venni Herli Suryaningsih Suryaningsih Susilo, G.E. Syah, Aminudin SYAMSU ALAM Taufik Ramadhani Taufiq Qurrahman Umar Umar Wahyudhi, Aden Wijayanti, Nurulita WINATA, WIDIA yulisna anggi Yupi Ardianto Yusak Maryunianta