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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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Analisis Pemodelan Numerik Redaman Breakwater Tenggelam Tipe Berlubang dan Tidak Berlubang Menggunakan Sigerd Annika Lukitawati; Ahmad Zakaria; Subuh Tugiono; Dwijoko Winarno
Jurnal Rekayasa Sipil dan Desain Vol 9, No 1 (2021): Edisi Maret 2021
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Abstract

Continuous waves crashing into the coastal area can cause abrasion on the coast and damage facilities and settlements in the area. Therefore, a coastal protection building is needed to reduce wave energy before arriving at the beach such as a breakwater. To design a breakwater it is necessary to pay attention to wave deformation, one of which is wave diffraction. Where the wave when obstructed by an obstacle will bend around the end of the obstacle and enter the protected area behind it. The complex phenomena of nature are described in terms of equations, but they are difficult to solve analytically. So in this study solved numerically with the help of a computer with 2D wave simulation software based on the principle of the hyperbolic equation propagation model. Then get the results in the form of diffraction coefficient values that are close to the results obtained in the physical model research that has been carried out. Changes in wave height occur after passing through the breakwater which indicates a change in energy from before and after passing through the breakwater.
Simulasi Tampungan Bendungan Sukamahi, Kecamatan Megamendung Kabupaten Bogor Ayu Kurniasih; Endro P Wahono; Ahmad Zakaria; Opik Taufik Purwadi
Jurnal Rekayasa Sipil dan Desain Vol 9, No 3 (2021): Edisi September 2021
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Abstract

Banjir yang sering terjadi di wilayah Jakarta dan sekitarnya yang hampir terjadi setiap tahunnya atau setiap musim penghujan datang menimbulkan kerugian harta benda, selain itu juga menggangu kegiatan perekonomian. Salah satu upaya untuk mengurangi pengaruh kerugian yang disebabkan oleh banjir di kota Jakarta tersebut yaitu membangun 2 (dua) buah bendungan di Daerah Aliran Sungai Ciliwung yang terletak di hulu sungai yang berada di Kabupaten Bogor, yaitu Bendungan Sukamahi yang berfungsi sebagai pengendalian banjir sungai ciliwung oleh sebab itu dilakukan simulasi tampungan menggunakan program HEC-HMS 4.5.Penelitian ini dibutuhkan beberapa analisis antara lain meliputi hujan harian maksimum, curah hujan rancangan, hujan efektif, hidrograf satuan banjir rancangan, dan simulasi tampungan menggunakan program HEC-HMS 4.5.Berdasarkan penelitian ini menunjjukan bahwa curah hujan yang mungkin terjadi (PMP) mrncapai 571,7967 mm, debit banjir 2, 5, 10, 20, dan 50 tahun mencapai 56,6853 m3/det, 72,8729 m3/det, 84,1311 m3/det, 110,5354 m3/det. Selain debit banjir, dalam penelitian ini berdasarkan terowongan tertutup didapat kapasitas pelimpah dan volume tampungan dalam kala ulang 50 tahun yaitu didapat tinggi muka air maksimum yaitu 597,4 m, dengan kelebihan 0,65 m diatas spillway dengan volume sebesar 969400 m3.Kata kunci : HEC-HMS, Bendungan, PMP, Simulasi Tampungan.
Potensi dan Nilai Indeks Kerawanan Bencana Alam di Kabupaten Lampung Selatan Fitri Indah Sari; Andius D. Putra; Aminudin Syah
Jurnal Rekayasa Sipil dan Desain Vol 9, No 3 (2021): Edisi September 2021
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Abstract

Pemetaan risiko bencana gempa bumi, banjir dan tsunami disusun dengan mengklasifikasikan tingkat ancaman, kerentanan dan kapasitas dalam menghadapi bencana menggunakan Sistem Informasi Geografis (SIG). Parameter pemetaan ancaman gempa bumi didasarkan dari kepadatan penduduk dan letak sesar atau patahan. Pemetaan ancaman banjir menggunakan parameter daerah aliran sungai dan data kejadian bencana. Sedangkan ancaman bencana tsunami menggunakan beberapa parameter yaitu, jarak dari pusat gempa, kelerengan topografi, jarak dari sungai, keterlindungn lahan, morfologi garis pantai dan keberadaan pulau penghalang. Penentuan parameter, klasifikasi dan pembobotan indeks kerentanan dan kapasitas mengacu pada Peraturan Kepala Badan Nasional Penanggulangan Bencana No. 2 Tahun 2012. Kabupaten Lampung Selatan tidak memiliki risiko tinggi terhadap bencana gempa bumi, Kecamatan yang memiliki tingkat risiko tinggi terhadap bencana banjir adalah Way Sulan, Candiuro, Katibung, Sidomulyo, Palas dan Sragi. Sedangkan Kecamatan yang memiliki risiko tinggi terhada bencana tsunami adalah Katibung, Sidomulyo, Kalianda, Rajabasa, Bakauheni, Ketapang dan Sragi.
Analisis Korelasi Data Curah Hujan BMKG dengan TRMM (Studi Kasus Stasiun BMKG di Sumatera Utara) Ibnu Tuhu Pangestu; Ahmad Zakaria; Subuh Tugiono
Jurnal Rekayasa Sipil dan Desain Vol 8, No 1 (2020): Edisi Maret 2020
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Abstract

Pengukuran curah hujan di Indonesia dilakukan oleh beberapa instansi, diantaranya adalah Badan Meteorologi dan Geofiska (BMKG) dan The Tropical Rainfall Measuring Mission (TRMM) NASA. Keduanya masing-masing memiliki kelebihan dan kekurangan. Tujuan penelitian ini adalah untuk menghitung nilai korelasi data curah hujan antara TRMM dan BMKG dengan mencari persamaan hubungan antar data dan menganalisis data curah hujannya. Data yang digunakan merupakan curah hujan harian dari tahun 1998-2014. Data dianalisis dalam bentuk data 7 harian, bulanan, dan tahunan. Berdasarkan hasil analisis didapatkan jika data curah hujan yang diukur oleh TRMM memiliki kesamaan pola distribusi temporal curah hujan dengan yang diukur oleh BMKG. Nilai korelasi antara data TRMM dan data BMKG menunjukan hasil yang lebih baik jika menggunakan data bulanan, dimana nilai korelasi dari data bulanan 4 stasiun yang dihitung yang terbesar adalah 0,7992 dan yang terkecil adalah 0,5283.
Analisis Pengaruh Beban Gempa pada Gedung Tujuh Lantai Menggunakan Metode Statik Ekuivalen (Studi Kasus Rumah Sakit Ibu dan Anak Hermina Lampung) Alvino Wafi; Mohd Isneini; Hasti Riakara Husni
Jurnal Rekayasa Sipil dan Desain Vol 9, No 2 (2021): Edisi Juni 2021
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Abstract

Earthquake is one of the natural disasters that often occurs in Indonesia. One of the effects of earthquake natural disasters is that it can damage building structures. Therefore, the building to be built should take into account the effect of the earthquake load. Planning for a safe multi-storey building must minimize the risk of casualties, especially for health building facilities where there is a lot of human activity. SNI 1726: 2019 is the latest regulation governing the planning procedures for earthquake resistant buildings. In this research, structural modeling software is used to facilitate the analysis to be carried out. The expected results of this study are (1) Comparison of the value of the force in the RSIA Hermina building structure without earthquake loads and with earthquake loads (2) The ability of the RSIA Hermina building structure to withstand the internal forces generated from the analysis using the equivalent static method. From the results of this study, it was found that the increase in moment and latitude values in the beam and column was 2 to 20 times. Meanwhile, the floor slab structure does not experience the impact due to earthquake loads.
Aplikasi hasil Eksperimen Pemadatan Tanah Untuk Konstruksi Embung Berdasarkan Metode Tekanan Eria Zundi Rahmadani; Idharmahadi Adha; Ofik Taufik Purwadi
Jurnal Rekayasa Sipil dan Desain Vol 8, No 2 (2020): Edisi Juni 2020
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Peningkatan akan kebutuhan air untuk irigasi maupun kebutuhan air baku, membuat Pemerintah Provinsi Lampung perlu meningkatakan insfrastruktur pada bidang pengairan atau irigasi, maka perlu dilakukan pembuatan Bendungan. Di Universitas Lampung sendiri telah di bangun Embung digunakan untuk mengatur atau menampung aliran air hujan, meningkatkan kualitas air serta dapat menjaga kualitas air tanah dan mencegah banjir. Pada dasarnya untuk membangun sebuah konstruksi sangat berkaitan erat dengan sifat fisik dan mekanis pada tanah. Hal tersebut dikarenakan tanah adalah material yang berperan sangat penting sebagai pendukung suatu konstruksi. Pada penelitian ini menggunakan dua pemadatan, yaitu pemadatan dengan menggunakan tumbukan dan pemadatan dengan menggunakan tekanan yang menggunakan standard proctor. Penelitian ini bertujuan untuk  mengetahui perbandingan  dengan menggunakan tumbukan dan  menggunakan metode tekanan. Pemadatan dilakukan berdasarkan metode tumbukan dan tekanan. Metode tekan digunakan alat tekan modifikasi dengan tekanan 5 MPa, 10 MPa, dan 15 MPa. Dari hasil penelitian dilaboratorium dengan metode tumbukan didapatkan berat volume kering sebesar 1,7 gr/cm³. bila dikonversi  terhadap uji tekan modifikasi didapatkan nilai sebesar 7 MPa. Kata Kunci : Pemadatan Metode Standard, Pemadatan Metode Tumbukan, Ydalik   
Tinjaun Undang-Undang dan Peraturan Presiden Terhadap Contract Change Order Proyek Perpustakaan Modern Lampung Akibat Rasionalisasi Anggaran Pemilik Proyek Deddy Sanjaya; Ika Kustiani; Amril Maruf Siregar; Napoli Situmorang
Jurnal Rekayasa Sipil dan Desain Vol 8, No 3 (2020): Edisi September 2020
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The Library Building is one of the Infrastructure that provides various sources of information to improve the intelligence of human resources in a region. This research focuses on the analysis of statutory regulations and the scope of work, costs, time and quality. The focus of the research is the process of analyzing the justification for changes in the volume of work after the rationalization of the budget is reviewed based on Law No. 2/17 concerning Construction Services and Presidential Regulation of the Republic of Indonesia No. 2/18 concerning Government Procurement of Goods / Services. The result of this analysis is that the Construction Work Contract Article 47 paragraph 1 letter b is the regulation rules of the  UUJK which are used as a reference as budget rationalization and work changes are allowed and regulated in Presidential Regulation article 54. This Contract Change Order has a significant volume increase in structural work, due to The lack of accuracy in calculating the initial planning consultant and there are seven specifications for changes in architecture work items façade. The result of this budget rationalization was also a change in the budget for the construction of the Modern Library of Lampung Province from Rp62,384,405,000.00 to Rp55,746,000,000.00 and there was no additional time for completion of work. This project does not cause a dispute because both parties have agreed to change the volume and work items.
Evaluation of Stucture Performance the Building a Regional Police Headquarters of Lampung using Direct Displacement Based Design Method of Base Shear Forces Zihan Ramdan Hilmi; Bayzoni Bayzoni; Hasti Riakara Husni
Jurnal Rekayasa Sipil dan Desain Vol 8, No 4 (2020): Edisi Desember 2020
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Direct Displacement Based Design (DDBD) is a new method in computing the loading of earthquakes resistant building structures with displacement as a performance target, which is considered to be more efficient than the method often used previously, namely the Force Based Design (FBD). The purpose of this research is evaluate the performance of the Lampung Regional Police Headquarters building based on the ATC-40 and FEMA 440, where the dimensions of the structure used from shop drawings and can be change if the dimensions not meet requirements. The loads used are gravity loads and base shear force designed using DDBD, where the design performance target is life safety. In the evaluation process of this research, there is one type of main beam that must be changes in dimensions, and the result of structure performance evaluation is immediate occupancy, based on ATC-40 and FEMA 440. Keywords: Displacement, DDBD, Evaluation of Performance.
Study of The Access Performance of Airport Toll Road on Trans Sumatera Toll Road Bakauheni – Terbanggi Besar (Case Study: Intersection of Natar Toll Road) Mustika Rahmadini; Aleksander Purba; Dwi Herianto
Jurnal Rekayasa Sipil dan Desain Vol 8, No 4 (2020): Edisi Desember 2020
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Abstract

The construction of the Trans Sumatra Toll Road provides convenience for the public. The distance from the Natar Toll Gate to the intersection of the Lintas Sumatera Road, which is 2,5 km will interfere with toll performance at the peak of holidays if it is not properly regulated. Therefore, it is necessary to do reaserch to determine the performance of toll roads at the Exit of Natar Toll, to know the performance of roads outside the city on Jalan Branti Raya and to find out the performance of signalized intersections at the Natar Toll Exit Intersection. This reaserch use the 2014 Indonesian Road Capacity Guidelines (PKJI) method. The results show that the performance of the toll road at the Natar Toll Exit was still adequate with degree of saturation with direction 1 is 0,09 and direction 2 is 0,13. The performance of roads outside the city on Jalan Branti Raya  was still adequate with degree of saturation with direction 1 is 0,47 and direction 2 is 0,43. The performance of the signalized intersection at the Natar Toll Exit Intersection is almost saturated with the degree of saturation the south approach is 0.67; the east approach is 0.08 and the north approach is 0.82. The queue for the south approach is 30 meters; the east approach is 2 meters and the north approach is 84 meters. The average delay of the intersection is 25 seconds /skr. To improve the performance of the Natar Toll Exit Intersection, it is necessary to rearrange the green time at this intersection.
Analisis Pengaruh Penggunaan Serat Polypropylene Terhadap Self Compacting Concrete (SCC) dengan Bahan Dasar Agregat Kasar Gradasi Senjang (Gap-Grading) Adipati Syahidullah Ulini'am; Vera Agustriana Noorhidana; Laksmi Irianti; Mohd Isneini
Jurnal Rekayasa Sipil dan Desain Vol 9, No 2 (2021): Edisi Juni 2021
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Abstract

In general, Self Compacting Concrete (SCC) uses coarse aggreggate with dense graded for mix composition. However, in certain places, sometimes the sources of aggreggate are limited and there’s no stone crusher with possibly use coarse aggreggate with gap graded. H. This research was conducted for investigate the effect of polypropylene fiber additions to SCC with gap graded on workability, compressive strength, splitting tensile strength, and bending strength. Test result for Slump-Flow and T50 for both of gradation with Vf 0%, 0,05%, and 0,1% quilify that Slump-Flow are about 50-65 cm and T50 are 3-15 second. Test result for compressive strength of SCC with gap graded, the optimum Vf is 0,05% with 7,02% increase in strength compared to dense graded with 0% Vf. Test result for split tensile strength of SCC with gap graded, the optimum Vf is 0,05% with 45,53% increase in strength compared to dense graded with 0% Vf. Test result for bending strength of SCC with gap graded, the optimum Vf is 0,05% with 347,28% increase in strength compared to dense graded with 0% Vf.

Page 37 of 84 | Total Record : 840

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