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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 840 Documents
 49   50   51   52   53 
Perencanaan Ulang Struktur Jembatan Way Magnay di Ruas Jalan Krui-Biha Kabupaten Pesisir Barat susanto, susanto; Isneini, Mohd; Husni, Hasti Riakara; Bayzoni, Bayzoni
Jurnal Rekayasa Sipil dan Desain Vol 11, No 1 (2023): Edisi Maret 2023
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AbstractWay Magnay Bridge is a reinforced concrete bridge span 2 x 25 m as liaison between Krui – Biha Regency West Coast . Way magnay bridge have width 6.42 m with traffic lane width 4.5 m. Base the load used in redesign of this bridge is SNI 1725-2016 and load earthquake use SNI regulations 2833-2016. Based on calculations that have been done , obtained reinforcement plate floor vehicle use flexural reinforcement D16 – 75 mm whereas reinforcement for used D10 – 295 mm. Girder transverse obtained main reinforcement 4D25 and reinforcement shear Ø10 -350 mm. Girder elongated obtained flexural reinforcement 20D34, reinforcement press 8D32, shear reinforcement Ø22 – 150 mm and shrink reinforcement 4D29. for pile cap abutments obtained flexural reinforcement direction x D25 – 130 mm, flexural reinforcement y direction D25 – 150 mm, shear reinforcement direction x Ø19 – 130 mm and shrink reinforcement D22 – 150 mm, Rim obtained flexural reinforcement D32 – 80 mm and shrink reinforcement D25 – 90 mm, Back wall obtained flexural reinforcement D22 – 200 mm and shrink reinforcement D22 – 85 mm, meanwhile for Foundation pole stake obtained main reinforcement 4D13 and shear spiral reinforcement Ø12 – 50 mm with total 10 piles Keywords : Redesign bridge , Reinforced concrete bridge , Way Magnay
Karakteristik Campuran Aspal Porus Dengan Limbah Plastik Polietilena Tereftalat (PET) Sebagai Bahan Tambah Pada Aspal Arif, Muhammad Isfan; Putra, Sasana; Herianto, Dwi; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol 11, No 1 (2023): Edisi Maret 2023
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Plastic waste, which is one of the biggest environmental pollutants, can open up opportunities to be utilized in the field of highway construction because it is easy to obtain and has a more economical price as a porous asphalt mixture. Referring to this, a research was carried out on the characteristics of a mixture of porous asphalt with polyethylene terephthalate (PET) plastic waste as an additive to asphalt. The purpose of this study was to determine the effect of the use of PET plastic waste on the characteristics of porous asphalt mixtures. The method used is a laboratory scale experimental method based on 3 types of testing, namely marshall, cantabro loss and asphalt flow down. The gradation in this study used the open graded Australian Asphalt Pavement Association (AAPA) 2004. The test results showed that the addition of PET could improve the performance of porous asphalt mixtures. Stability, density, MQ, and VFA values increase with the addition of PET content so that they can prevent fractures due to traffic loads. The decrease in the cantabro loss value makes the mixture's resistance to disintegration better. addition of PET content up to 7.5% can reduce the flow value so that the mixture has optimal flexibility. However, the recommended PET content should be below 5% because in this study the penetration and ductility values did not meet the general specifications for 2018 Highways.
Pengaruh Panas Hidrasi Semen Terhadap Perilaku Deformasi Beton Kolom Usia Dini Saputra, Aji; Niken, Chatarina; Kusumastuti, Dyah Indriana; Zakaria, Ahmad
Jurnal Rekayasa Sipil dan Desain Vol 12, No 1 (2024): Edisi Maret 2024
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Beton pada usia dini mengalami deformasi termal akibat panas yang dihasilkan oleh reaksi hidrasi semen. Deformasi ini dapat menyebabkan keretakan pada beton. Penelitian ini bertujuan untuk mengetahui pengaruh panas hidrasi semen terhadap perilaku deformasi pada kolom beton usia dini. Penelitian dilakukan secara eksperimental pada 3 sampel beton kolom berukuran 15 cm × 15 cm × 100 cm dengan kuat tekan rencana 20,75 MPa, menggunakan portland composite cement (PCC). Sampel ditutup dengan styrofoam segera setelah pengecoran. Penelitian ini mempelajari perilaku kolom beton dan suhu di dalamnya menggunakan alat embadded vibrating wire strain gauge yang ditanam pada tiap sampel. Posisi EVWSG berada pada 45 cm dari bagian bawah benda uji. Pengamatan dilakukan selama 24 jam dengan rentang setiap 15 menit. Hasil penelitian menunjukkan perilaku deformasi dan perubahan suhu dalam beton kolom memiliki pola yang mirip. Nilai minimum dan maksimum deformasi dan suhu dalam beton secara berurutan terjadi pada umur 0 jam dan 7,75 jam sebesar 5,4000E-0,7 (m/m) dengan suhu 29,5 ⁰C dan 5,6808E-0,5 (m/m) dengan suhu 36,1 ⁰C dan rata-rata deformasi sebesar 3,0341E-0,5 dengan rata-rata suhu 32⁰C. Kata kunci : Hidrasi semen, deformasi, kolom beton, suhu dalam beton.
Analisis Perbandingan Pengaruh Variasi Ukuran Panjang Pada Kawat Bendrat Terhadap Beton Konvensional Ristama, M Alvany Veschonanda; Isneini, Mohd; Noorhidana, Vera Agustriana; Widyawati, Ratna
Jurnal Rekayasa Sipil dan Desain Vol 11, No 3 (2023): Edisi September 2023
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AbstrakBeton adalah material konstruksi yang terdiri dari campuran bahan-bahan seperti semen, air, dan agregat, yang digunakan dalam berbagai jenis infrastruktur. Beton memiliki nilai kuat tekan yang tinggi namun lemah terhadap gaya tarik. Penambahan kawat bendrat pada beton dilakukan untuk menaikkan nilai kuat tarik dan kuat lentur beton. Penelitian ini menggunakan volume fraksi 0%, 0,75% dan 1,5% dengan menggunakan variasi panjang tiap volume fraksi sebesar 30 mm, 50 mm, dan 70 mm dan bertujuan untuk menganalisis panjang kawat bendrat paling efektif sebagai bahan campuran beton. Pengujian dilakukan pada umur rencana 28 hari dan pengujian kuat tekan menggunakan sampel silinder dengan diameter 150 mm dan tinggi 300 mm sedangkan pengujian kuat tarik lentur menggunakan sampel balok dengan ukuran 100x100x400 mm. Pada kuat tekan penambahan serat kawat bendrat dinilai tidak efektif dan mengalami penurunan terkecil pada beton volume fraksi 0,75% panjang kawat bendrat 50 mm dengan penurunan sebesar 0,68%. Sedangkan pada kuat tarik lentur penambahan serat kawat bendrat dinilai efektif dan mengalami peningkatan terbesar sebesar 168,39% dari beton normal yaitu pada beton volume fraksi 1,5% dengan panjang kawat bendrat 50 mm.Kata kunci : beton, serat kawat bendrat, variasi panjang, kuat tekan, kuat tarik lentur.
Perbandingan Antara Regangan Susut yang Terjadi pada Jalan Beton di Iklim Tropis Lembap dan Prediksi ACI 209R-92 Malau, Joses Aristo; Niken, Chatarina; Helmi, Masdar; Irianti, Laksmi
Jurnal Rekayasa Sipil dan Desain Vol 11, No 4 (2023): Edisi Desember 2023
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Jurnal ini membahas tentang perbandingan antara prediksi susut ACI 209R-92 dengan susut yang terjadi dalam perkerasan kaku. Penelitian ini dilakukan di Indonesia, yang memiliki iklim tropis lembab dengan suhu dan kelembapan yang tinggi sepanjang tahun. Perilaku beton akan berbeda dengan negara yang memiliki empat musim seperti Amerika Serikat, tempat dimana ACI diterbitkan. Benda uji yang digunakan dalam penelitian ini berukuran 5m × 4,5m × 0.3m. Regangan susut beton didapatkan dari pembacaaan keempat alat vibrating wire strain gauges(VWSG) yang ditanam dalam beton. Pengamatan dilakukan sampai beton berusia 90 hari. Hasil dari regangan beton kemudian dibandingkan dengan prediksi ACI 209R-92. Hasil regangan beton yang terbesar terjadi pada daerah tengah pelat (VWSG 1) dikarenakan daerah tengah memiliki luasan yang berkontak langsung dengan udara sekitar paling besar, jadi suhu dan kelembapan sekitar bisa masuk ke dalam beton dan mempercepat penguapan air yang ada dalam beton. Hasil prediksi dari ACI 209R-92 sekitar 15,6%-36,7% lebih kecil daripada hasil penelitian. Perbedaan ini disebabkan karena lokasi penelitian ini memiliki suhu yang cukup tinggi dankelembapan tinggi karena berada di iklim tropis.
Penerapan Building Information Modeling (BIM) Menggunakan Software Autodesk Revit 2019 pada Pekerjaan Non Struktur (Studi Kasus : Gedung B Fakultas Ekonomi dan Bisnis Universitas Lampung) reviana, reviana; Bayzoni, Bayzoni; Husni, Hasti Riakara; Siregar, Amril Maruf
Jurnal Rekayasa Sipil dan Desain Vol 11, No 1 (2023): Edisi Maret 2023
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Indonesia's development in the construction sector is progressing very rapidly. With the increasing number of developments in Indonesia, the scale and types of work projects in the field of civil engineering are also increasingly varied. In infrastructure development there needs to be a good system and management. This good system and management can be found in the implementation of Building Information Modeling (BIM) in project implementation. BIM is a process of generating and managing building data in 3D in its project cycle where it can help human limitations in managing data and managing large resources and complex work systems so that errors can be minimized and projects can be analyzed in more depth (Succar , 2008). The purpose of this study was to conduct a study on the use of Building Information Modeling (BIM) in non-structural modeling of Building B, Faculty of Economics and Business, University of Lampung using the Autodesk Revit 2019 software. From the results of the research conducted, non-structural modeling in the form of modeling windows, walls, ceramics , doors and ceilings can be done quickly and well. Then the results of the BoQ comparison between the conventional and Revit methods show a significant difference, this is shown in the difference in brick wall work of -3.91%, the comparison of plastering and plastering work of 6.61%, the difference in the calculation of tiles and bathroom ceilings respectively respectively 3.29% and 4.69%, this is due to differences in calculating the area of brick walls using the conventional method using Revit 2019.
Studi Perbandingan Beban Gempa Pada Gedung Rawat Inap Non Bedah RSUD Dr. H. Abdul Moeloek, Bandar Lampung Dengan Analisis Respon Spektrum Sesuai SNI 1726:2012 dan SNI 1726:2019 Hania Cipta, Ade Permata; Isneini, Mohd.; Husni, Hasti Riakara; Kusnadi, Andi
Jurnal Rekayasa Sipil dan Desain Vol 11, No 2 (2023): Edisi Juni 2023
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The rapidly growing population is directly proportional to the increasing amount of land use, especially in urban areas, one of which is in the city of Bandar Lampung. The construction of vertical structures or high-rise building structures is an option in overcoming the limited land. However, high-rise building structures are considered to be risky to lateral loads such as earthquake loads, so that in planning, earthquake loads must be considered.This study aims to determine differences in response to the earthquake acceleration spectrum in the City of Bandar Lampung, especially the Non-Surgical Inpatient Building at Dr. H. Abdul Moeloek based on SNI 1726:2012 and SNI 1726:2019. Based on the results of this study, it was found that due to the influence of the earthquake the input spectrum response was in accordance with SNI 1726:2012 and SNI 1726:2019, the base shear force due to the earthquake spectrum response for SNI 1726:2012 was 12900.4864 kN and SNI 1726:2019 was 14931.0787 kN . Interstory drift between levels that occur in the structure are still in the safe category because they do not exceed the story drift allowable levels, 48.4615 mm.
Kajian Laboratorium Pemanfaatan Tanah Merah Terstabilisasi Kapur Sebagai Bahan Pengikat Lapis Pondasi Agregat Kelas B Rama Yuda, Amran
Jurnal Rekayasa Sipil dan Desain Vol 11, No 2 (2023): Edisi Juni 2023
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AbstractIn class B aggregate foundation layer mixtures, the utilization of red soil can be used as an alternative material for a class B aggregate foundation layer binder. Aggregate binder is used to increase the bearing capacity of Class B aggregate foundation course. Red soil has shortcomings in its plasticity index value, therefore red soil needs to be stabilized with lime with the addition of a ceritain percentage to meet the standard plasticity index value of class B aggregate foundation layer requirement. The purpose of this study was to determine the utilization of lime-stabilized red soil as a binder for class B aggregate foundation layers by comparing CBR values. The method used was to compare the CBR values of class B aggregate foundation layer 100% red soil with a mixture of lime-stabilized red soil with the addition of 15% lime.The results of the CBR research of class B aggregate foundation layers show the addition of 15% lime stabilized red soil with a CBR value of 82,9%. For class B aggregate foundation layer 100% red soil, the CBR value was 69,7%.Keywords: Class B aggregate foundation layer, stabilized red soil, CBR 
Pengaruh PET Sebagai Bahan Tambah Aspal Terhadap Nilai Kekuatan Sisa Campuran Asphalt Concrete-Binder Course (AC-BC) Wibisono, Andryan; Putra, Sasana; Junaedi, Tas'an; Sulistyorini, Rahayu
Jurnal Rekayasa Sipil dan Desain Vol 11, No 4 (2023): Edisi Desember 2023
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Road damage often occurs due to excessive volume of heavy vehicles so that vehicle loads cause strain and stress of the pavement layer. One way to improve the quality of asphalt mixtures is by adding PET plastic. Research was conducted to determine the effect of AC-BC mixtures with the addition of PET plastic waste as a binder additive in asphalt on Marshall parameters and Durability of Residual Strength Index. Based on the results of the study, the specific gravity of asphalt increased as the level of PET mixed increased. The penetration value decreases as the PET content increases because the asphalt becomes harder. Ductility decreases as more PET content makes the asphalt more brittle. The softening point value increases as the PET content increases because the wax content in the asphalt increases. In the durability test, the largest IKS value occurred in the mixture of asphalt penetration 60/70 + 4% PET at 94.58%; asphalt penetration 60/70 + 2% PET made an IKS value of 94.00%; asphalt penetration 60/70 + 3% PET made an IKS value of 94.36%; and asphalt penetration 60/70 + 0% PET had the smallest IKS value of 91.58%. All IKS values have met the minimum Bina Marga standard of 90%. Therefore, the greater the percentage of PET mixed, the greater the IKS value.
Analisis Perbandingan Pengaruh Variasi Ukuran Panjang Serat Baja Dramix 3D Terhadap Beton Self Compacting Concrete (SCC) Ramadhan, Vernady Napatino; Isneini, Mohd; Widyawati, Ratna; Irianti, Laksmi
Jurnal Rekayasa Sipil dan Desain Vol 11, No 3 (2023): Edisi September 2023
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AbstrakSelf Compacting Concrete (SCC) merupakan beton inovatif yang dapat memadat sendiri (tanpa vibrator) dan mampu mengalir dengan beratnya sendiri untuk mengisi bekisting dengan jenuh tanpa mengalami segregasi. Hal ini dapat mengatasi masalah dalam hal produktivitas, kualitas, dan juga keselamatan kerja. Beton adalah bahan bangunan komposit yang kuat dalam menahan gaya tekan, tetapi lemah terhadap gaya tarik, juga getas dan mudah retak. Serat baja ditambahkan dalam campuran beton untuk memperbaiki karakteristik beton tersebut. Pada penelitian ini menggunakan serat baja Dramix 3D pada SCC dengan volume fraksi 1% pada setiap variasi panjang 20 mm, 40 mm, dan 60 mm. Sampel yang digunakan pada benda uji kuat tekan dan tarik belah berupa silinder dengan diameter 150 mm dan tinggi 300 mm. Sedangkan uji kuat tarik lentur berupa sampel balok dengan ukuran 100x100x400 mm. Pengujian sampel dilakukan pada umur 28 hari. Peningkatan nilai kuat tekan tertinggi terjadi pada variasi panjang 40 mm sebesar 5,99% dari beton normal. Peningkatan nilai kuat tarik belah tertinggi terjadi pada variasi panjang 60 mm sebesar 36,44% dan peningkatan nilai kuat tarik lentur tertinggi terjadi pada variasi panjang 60 mm sebesar 531,7%. Hasil penelitian menunjukkan bahwa variasi panjang serat baja pada SCC dapat mempengaruhi kuat tekan, kuat tarik,dan juga mengurangi workability atau kemudahan pengecoran beton.

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