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Kota bandar lampung,
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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
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Studi Kasus Pada Ruas Jalan Kecamatan Batu Ketulis Lampung Barat dengan Menggunakan Analisis Komputasi dan Metode Penanganannya M Lucky Apriansyah Nawawi; I Iswan; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 9, No 3 (2021): Edisi September 2021
Publisher : Jurnal Rekayasa Sipil dan Desain

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Abstract

Batu Ketulis is a sub-district located in West Lampung Regency, Lampung province. West Lampung is one of the areas in Lampung that has landslide-prone potential. This study is to determine the value of slope safety factors and calculate the stability of slopes using Bronjong to hold the soil carrying capacity to be safe and not landslide, which is calculated using computational programs with fellenius method, bishop with saturated, partially saturated, and unsaturated groundwater face conditions. The results showed that soil parameters affect the stability of the slope, the condition of fully saturated soil has the lowest value compared to other conditions. From the results of the study obtained the value of the smallest safe factor before handling, namely at location II with an elevation of 20 m and a slope angle of 30° ,35° ,40° of 1,074, 1,023, 1,008 in the condition of fully saturated groundwater face. In the condition of the slope after handling using bronjong obtained a value of 2,462, 2,303, 2,223 for the Fellenius method, while for the Bishop method of 2.12, 2,006, 1.95. Handling using bronjong has a big effect on increasing safe factors so that landslide handling using bronjong is quite stable if applied at the research site.
Evaluasi Desain dan Analisis Dinding Penahan Tanah (Retaining Wall) pada Pembangunan Underpass Di Jalan Zainal Abidin Pagar Alam hardianto widyastomo; iswan iswan; muhammad jafri
Jurnal Rekayasa Sipil dan Desain Vol 8, No 2 (2020): Edisi Juni 2020
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Underpass merupakan infrastruktur yang dibangun untuk memberikan solusi kemacetan jalan yang terjadi di sebuah jalan. Untuk membangun sebuah underpass, maka diperlukan suatu dinding penahan tanah untuk menjaga stabilitas lereng sehingga aman dari kelongsororan. Penelitian ini bertujuan untuk mengevalusasi desain dan menganalisis dinding penahan tanah pada pembangunan underpass yang sudah dibangun di Jalan Zainal Abidin Pagar Alam depan Universitas Lampung.Pada penelitian ini menggunakan SNI-1726-2012 untuk pembebanan gempa dan SNI-2847-2013 untuk penulangan dinding penahan tanah. Sebelum membangun underpass, diperlukan menghitung stabilitas lereng menggunakan rumus teori Fellinius (1927) agar tidak terjadi kelongsoran. Pada dinding penahan tanah terdapat 3 tekanan tanah lateral yaitu tekanan tanah diam, tekanan tanah aktif, dan tekanan tanah pasif menggunakan rumus teori Coulomb serta terdapat stabilitas guling, stabilitas geser, dan stabilitas daya dukung tanah menggunakan rumus teori Vessic (1975) untuk menentukan faktor keamanan. Selanjutnya dinding penahan tanah dipengaruhi oleh beban merata tambahan dengan menganggap sebagai beban tanah. Hasil penelitian ini didapatkan bahwa pembangunan dinding penahan tanah pada underpass yang sudah dibangun aman terhadap stabilitas guling, stabilitas geser, stabilitas daya dukung tanah, dan gempa. Selanjutnya hasil perhitungan yang didapatkan tulangan geser, tulangan utama, dan tulangan susut pada dinding penahan tanah sudah aman.   Kata kunci:underpass,dinding penahan tanah, tekanan tanah lateral, longsor
Analisis Kinerja Struktur Gedung Bertingkat Terhadap Beban Gempa Dengan Metode Pushover Analysis (Studi Kasus: Gedung Rawat Inap Non – Bedah Rumah Sakit Umum Daerah Dr. H. Abdul Moeloek) Risty Amelia Firdha; Mohd. Isneini; Hasti Riakara Husni; Ratna Widyawati
Jurnal Rekayasa Sipil dan Desain Vol 9, No 4 (2021): Edisi Desember 2021
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AbstractThe condition of the tectonic arrangement is so complex that the Indonesian territory becomes an active seismic area with a high frequency of earthquakes. Considering that earthquakes can cause casualties and damages to infrastructure, it is necessary to analyze the structure of the building using the right method. This study aims to analyze the structure in needed to fulfill the safety requirements based on SNI 1726:2019 with the interstory drift and ATC-40 which is observed based on the maximum total drift and see the mechanism of the collapse that occurs. Structural analysis was carried out using the pushover anaysis method added with a structural analysis program. From the analysis results, the displacement values obtained by the ATC-40 method are 63,939 mm in the x – direction and 85,299 mm in the y – direction. The performance level generated based on this method is immediate occupancy where the structural and non-structural elements experience minimum damage so that the building remains safe for reuse. The structure collapse mechanism shows the concept of a strong column weak beam mechanism. The interstory drift that occurs is still in the safe category because it does not exceed the interstory drift, which is 42 mm. Key words:pushover analysis, performance level, failure mechanism, interstory drift. AbstrakKondisi tatanan tektonik yang begitu komplek menyebabkan wilayah Indonesia menjadi kawasan seismik aktif dengan frekuensi kegempaan yang tinggi. Mengingat gempa bumi dapat mengakibatkan korban jiwa dan hancurnya infrastruktur sehingga diperlukan analisis terhadap struktur bangunan tersebut dengan menggunakan metode yang tepat. Penelitian ini bertujuan untuk menganalisis struktur dalam memenuhi persyaratan keamanan berdasarkan SNI 1726:2019 dengan tinjauan simpangan antar tingkat dan ATC-40 yang ditinjau berdasarkan maximum total drift serta melihat mekanisme keruntuhan yang terjadi. Analisis struktur yang dilakukan menggunakan metode pushover analysis dengan bantuan program analisis struktur. Dari hasil, didapatkan nilai displacement dengan metode ATC-40 sebesar 63,939 mm arah – x dan 85,299 mm arah – y. Level kinerja yang dihasilkan adalah immediate occupancy dimana elemen struktural dan non-struktural mengalami kerusakan minimum sehingga bangunan tetap aman digunakan kembali. Mekanisme keruntuhan struktur menunjukkan konsep mekanisme strong column – weak beam. Simpangan antar tingkat yang terjadi masih dalam kategori aman karena tidak melebihi simpangan antar tingkat izin yaitu 42 mm. Kata kunci: analisis pushover, level kinera, mekanisme keruntuhan, simpangan antar tingkat.
Preferensi Pengguna Kendaraan Pribadi dalam Memilih Jenis BBM Subsidi dan Non Subsidi Andrian Setiawan; Sasana Putra; Aleksander Purba
Jurnal Rekayasa Sipil dan Desain Vol 8, No 3 (2020): Edisi September 2020
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Gasoline is an important item and becomes a basic need for the community. Subsidized gasoline in Bandar Lampung experienced sales restrictions according to the specified quota. The price of subsidized gasoline which is cheaper than non-subsidized gasoline makes people willing to wait to get subsidized gasoline. This study aims to determine the factors that influence the selection of gasoline types and determine the preferences of each private vehicle user in choosing gasoline, both subsidized gasoline and non-subsidized types. This research uses AHP (Analytical Hierarchy Process) methodBased on the results of the analysis conducted on the group of civil servants, non-civil servants and students, it was found that the group of non-civil servants chose Premium which was the most priority with a weighting value of 0.3745, then for Pertalite of 0.3156 and Pertamax 0.3108. Then for the group of civil servants, the greatest or priority results were Premium with a value of 0.3457, then Pertamax with a value of 0.3350 and Pertalite with a value of 0.3205. Then, for the Student group the most priority results are Premium of 0.3479, then Pertalite of 0.3288 and Pertamax with a difference not too far at 0.3263.
Analisis Stabilitas Lereng Dengan Variasi Lapisan Tanah Berbeda Yang Di Pengaruhi Nilai Kohesi Tanah Fajar Destri Atmoko; Lusmeilia Afriani; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 8, No 4 (2020): Edisi Desember 2020
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Natural disasters often occur in hilly areas in Lampung Province, namely landslides. Slides thatoccur due to increased soil pore water pressure. The GeoStudio SLOPE / W 2012 program cananalyze slope stability which can be modeled according to the original conditions in the field andcan determine the value of the slope safety factor. In this study, there are four cross sections ofslopes with four different layers with an angle of 30 ° each, and following a maximum height of 18meters.The results of the analysis of the GeoStudio Slope / W 2012 program using 4 methods of analysis,namely Ordinary, Bishop, Janbu and Morgenstern Price, obtained different safe factor values, theMorgenstern Price method and the Bishop method have a safe factor value that tends to be thesame and greater than the Ordinary method and the method. Janbu tends to have a smaller safetyfactor.The shape of the cross section of the slope in the 5 soil layers is the most safe factor, different soillayers, it can be seen that each layer of soil has different safety factors but does not differ muchfrom the others.
Analysis of Traffic Accident Factors on The Road of Tarahan Lampung Selatan Megalensi Kholbuniah; Rahayu Sulistyorini; Aleksander Purba; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 8, No 1 (2020): Edisi Maret 2020
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 The purposes of this study were to analyze the factors causing of the traffic accident using correlation analysis with SPSS program and  analyze the relationship between the characteristics of accidents and road safety facilities such as road signs, road markings, and lighting lights the road of Tarahan. The secondary data were obtained from the Ditlantas Polda Lampung in the form of accident data per month from 2014-2018. Then from National Road Planning and Supervision were obtained form of geometric data for the Tarahan Road in 2019. The results showed that there were still inadeguate road safety facilities on the Tarahan road, such as lighting, road markings and rescue path. In terms of the geometric conditions of the Tarahan Road it has a maximum slope exceeding the Bina Marga standard of 10,83%, it affects traffic accidents. The characteristics of accidents based on the factors that cause the accidents were vechicle factors (46,7%) with the result of correlation analysis of ,943* significance ,016. The types of accidents were are single accidents (35,5%) with the result of correlation analysis of ,934* significance ,020. Keywords: Accident Characteristics, Correlation, Road Safety Facilities
Analisis Solusi Kemacetan pada Simpang Sebidang Kereta Api Jalan Urip Sumoharjo Raditya Eros Witantra Hutapea; Dwi Herianto; Amril Ma'ruf Siregar
Jurnal Rekayasa Sipil dan Desain Vol 9, No 3 (2021): Edisi September 2021
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The high frequency of the Babaranjang train track causes congestion problems on the Urip Sumoharjo road which is caused by road closures when the train passes. The impact of the closure caused long queues of vehicles to block Padjajaran and Kimaja roads. In this study, it discusses the causes of congestion in the vehicle movement that is not smooth, especially on the Simpang Urip Sumoharjo road. Then compare the road capacity and the degree of saturation of the Urip Sumoharjo road under normal conditions and the conditions when the Babaranjang train passes, and analyze the structural concept to overcome congestion at the Urip Sumoharjo crossing.Analyze the comparison between Flyover and Underpass using the Scoring Zero One method. The results of the analysis show that to overcome congestion on Jalan Urip Sumoharjo it is more effective to build an underpass with a score of 60% while the flyover building gets a score of 40%. With the cross-normal degree of saturation, the result is 0.711. As for the results of saturation after the train passed the result was 1.56. And the calculation results show that the existence of an underpass can reduce congestion on Jalan Urip Sumoharjo by 45.58%.Keywords: Railroad latch, Degree of Saturation, Scoring Zero One method
Finite Element Analysis on Reinforced Concrete Beams Strengthened with GFRP (Glass Fiber Reinforced Polymer) Using Software Ridho Surahman; Mohd. Isneini; Fikri Alami
Jurnal Rekayasa Sipil dan Desain Vol 8, No 1 (2020): Edisi Maret 2020
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In testing reinforced concrete beams strengthened with 4 layers of GFRP can increase the maximum load up to 112% (Nalarita, 2019). The test can be done by modeling using finite element based software.The beam that is modeled has a dimension of 1,7 m long, 15 cm wide and 15 cm high with 4 layers of 1,3 mm/layer GFRP. The beams that are modeled are only a quarter section because of symmetrical geometry and loading.The percentage difference between the results of modeling and experimental tests on normal beams is 1,49% for deflection in the middle span. The crack that occurs in normal beams in modeling and experimental shows the same crack pattern, which is flexural crack. The percentage difference between modeling and experimental tests on the strengthened beam is 21,81% for the deflection in the middle span. In experimental and modeling tests, the applied GFRP undergoes debonding before the concrete compressive strain reaches its ultimate strain.Keywords: Concrete, GFRP, debonding, modeling
Modifikasi Struktur Rumah Sakit Umum Hermina Lampung dengan Metode Sistem Rangka Bresing Eksentris (SRBE) untuk Bangunan Tahan Gempa Lukman Sarifuddin; Mohd Isneini; Surya Sebayang
Jurnal Rekayasa Sipil dan Desain Vol 9, No 2 (2021): Edisi Juni 2021
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Eccentrically Braced Frame System (EBFs) is a diagonal brace system which at least one end of each supporting element supports the beam at a certain distance from the location of the beam-column joint, or from another diagonal end by a distance called a link or eccentricity. . This study aims to determine how to plan a steel structure building using the Eccentrically Braced Frame System (EBFs) method and to find out how the joint planning method for the steel structure.Hermina Lampung General Hospital is a building consisting of eight floors built using reinforced concrete construction which will be re-planned using the Eccentrically Braced Frame System (EBFs). The standard provisions in the calculations used in this study refer to SNI 1729 (2020) about cerning the Procedure for Planning Building Steel Structures.Based on the results of the research that has been done, it can be concluded that in calculating the steel frame structure using Eccentrically Braced Frame System (EBFs) can be planned based on SNI 1729 (2020) or AISC 360 (2016), but to calculate the link and brace components refer to SNI 7860 (2020) or AISC 341 (2016). Meanwhile, connection planning can be carried out based on SNI 1729 (2020) and SNI 7860 (2020) by using two methods, namely load and resistance factor design (LRFD) and allowable strength design (ASD).
ANALISIS SEDIMEN TRANSPOR SUNGAI WAY SANGARUS (HULU BENDUNGAN BATUTEGI) MENGGUNAKAN PENDEKATAN EMPIRIS Faishal Muhammad Hanun; Endro Prasetyo Wahono; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 8, No 2 (2020): Edisi Juni 2020
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Bendungan Batutegi adalah bendungan terbesar di Asia Tenggara yang memiliki peran penting dalam perkembangan provinsi lampung. Way Sangarus merupakan salah satu hulu sungai bendungan batutegi yang mengalir sepanjang tahun, yaitu merupakan sungai dengan debit yang besar dan sangat penting dalam suplai air menuju tampungan bendungan. Sedimentasi Sungai akan menjadi masalah yang serius apabila tidak dikontrol dengan baik. Sedimentasi pada bendungan batutegi menyebabkan pendangkalan dan berkurangnya kapasitas tampungan waduk bendungan. Maka diperlukan penelitian mengenai analisis angkutan sedimen untuk mengetahui berapa sedimen yang oleh dibawa hulu sungai menuju waduk bendungan. Tiga pendekatan empiris yang dipilih ialah: Meyer Peter and Muller, Einstein, dan Leo Van Rijn, yang digunakan untuk menganalisis laju transpor sedimen. Data hujan dengan rentang waktu 2011-2016 digunakan dalam analisis curah hujan. Curah hujan dengan prediksi 50% menggunakan metode Weibull. Debit dari curah hujan yang dipilih kemudian dianalisis dengan menggunakan metode rasional. Laju sedimen tahunan dari sungai sebesar 331.318,0 m3 , 2.404.701,0 m3 , dan 448.175,51 m3 secara berurutan metode pendekatan Meyer Peter and Muller, Einstein, dan Leo Van Rijn.Kata kunci : Angkutan Dasar, Angkutan Sedimen, Volume Sedimen, Meyer Peter and Muller, Einstein, Leo Van Rijn.

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