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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
 57   58   59   60   61 
Kajian Permasalahan Getaran pada Pelat dan Balok Beton Bertulang di Gedung E Fakultas Teknik Universitas Lampung Firdasa, Silsila Jana; Alami, Fikri; Helmi, Masdar
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 2 (2020): Edisi Juni 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i2.1350

Abstract

The planning of a building has some criterias that need detailed attention which are the stiffness, strength, stability, flexibility and economical aspect. This result focus for building planner which is need the experimental method that use tools such as hammer test, Ultrasonic Pulse Velocity (UPV) and accelerator. Hence, the numerical method used SAP 2000 v.14.14.0.0. This result the frequency of the building was 1,953 Hz and the acceleration was 0,263 m/s2. Based on the SAP 2000 v.14.14.0.0 calculation, the building frequency was 7,078142 Hz and the acceleration was 0,001005 m/s2. The different results between those two methods were caused by unsatisfying building quality that caused the difference of result between those two methods. The building frequency fitted the specification attached on ISO 2631-2: 2003 but the acceleration was bigger 0,5% than the gravitation. The adding of BJ 37 IWF 350 mm x 175 mm could enhance the vibration frequency from 7,078142-7,3351 Hz as many as 3,630% and the acceleration from 0,001005-0,0009177 m/s2 as many as 8,6865%.Key words: Beam, Plate, Vibration, Frequency, Acceleration.
Analisis Percepatan Durasi Proyek Dengan Menggunakan Metode Crashing Pramana, I Dewa Made Agung; Siregar, Amril Ma'ruf; Herianto, Dwi
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 2 (2020): Edisi Juni 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i2.1354

Abstract

There are possible problems arise during construction of project that can cause delays. Delays can cause losses in the form of fines, overhead costs, additional salaries and rental tools and other. To overcome the problems, there are some ways to achieve project completion in due time. The purpose of this study was to analyze the acceleration of the project duration by utilizing crashing method and its impact on project cost. The object of the case study was the construction of Lampung Regional Police Headquarter. The scenario utilized was increased the number of workers by 35% and the added working hours by four hours. The results show by increasing the number of workers across eleven project activities, the project duration was crashed to 252 days or two days earlier than the scheduled time and the project cost was decrease to Rp. 23,964,647,646.00 or 0.908% lower than the scheduled cost. The results also show by adding four more working hours across ten project activities, the project duration was crashed to 253 days or one day earlier than the scheduled time and the project cost was decreased to Rp. 23,995,417,215.00 or 0.781% lower than the scheduled budget. Keywords: Project Acceleration, Crashing method, increase of the number of workers, the addition of working hours
Pengaruh Serat Kulit Kayu Gelam Terhadap Kuat Tarik Lentur Beton Menggunakan Semen OPC Awan, Herdi; DWSBU, Caterina Niken; Putra, Sasana
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 2 (2020): Edisi Juni 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i2.1356

Abstract

The load from vehicles received by rigid pavement is characterized as dynamic load that move and change quantitively, so the r2eaction accepted by rigid pavement is the combination of compressive and tensile strength. In the reaserch, as the effort to know the effect of flexural and split tensile strength on normal quality concrete with 0%, 0,4%, 0,6% and 0,8%. The samples of flexural tensile strength testimonial use 60 cm x 15cm x 15 cm beam and the sampes of split tensile and compressive strength test use 15 cm x 30 cm cylinder. As the result, the concrete sample with 0,4% of volume fraction has the most significant progress in the flexural tensile strength, split tensile strength and compressive strength. The result of this research also shows that the progress of flexural tensile test sample reach 9,42%, split tensile strength 7,5% and compressive strength 6,12% from concrete sample with 0% of volume fraction and it has decreased test result from 0,6% and 0,8% of volume fraction. The maximum of flexural tensile test, split tensile test, and compressive test are 6,62 MPa, 2,58 MPa, and 30,54 MPa. Key words : Melaleuca bark fiber, flexural tensil strength,split tensil strength, compressive strength, volume fraction, and rigid pavement.
Techincal Planning Of Strategical Bridge in Way Umpu Way Kanan Regency Aditya, I Gede Putu Indra; Diana, I Wayan; Sebayang, Surya
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 2 (2020): Edisi Juni 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i2.1363

Abstract

The Way Umpu Bridge is located in Blambangan Umpu District, Way Kanan Regency which ispart of the Trans-Central Sumatra road section. In the structural elements of the bridge damageoccurs in the structural elements on the bridge so that it can endanger road and bridge users.Therefore effective and efficient planning is needed for the design of the new bridge.Standards used as a reference in planning the Way Umpu Bridge are SNI 1725-2016, RSNI T-02-2005 and PUPR PERMEN NUMBER 28 / PRT / M / 2016. By using supporting software for thecalculation and design of AutoCAD 2017, Microsoft Excel 2013, Google Earth Pro and SAP 2000V 14.The results of this plan are (1) effective type of bridge top structure is a class A bridge framestructure with a span length of 60 m, (2) the type of effective lower structure used is a supportedT-type support and the foundation of the pre-cast concrete piles ( rotating) pile), and (3) totalconstruction costs provided by labor costs, supply of materials and equipment, heavy equipmentoperating and rental costs and taxes of Rp 16,644,725,377.
Pengaruh Penambahan Serat Baja Terhadap Kuat Lentur Balok Beton Bertulang pada Beton Mutu Normal Putra, Asyrofi Miranda; Noorhidana, Vera Agustriana; Isneini, Mohd
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 2 (2020): Edisi Juni 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i2.1366

Abstract

Penelitian pada skripsi ini merupakan studi eksperimental untuk menyelidiki pengaruh penambahan serat baja terhadap kuat lentur balok beton bertulang pada beton mutu normal. Penelitian ini juga membandingkan pola retak dan pola keruntuhan balok beton bertulang pada beton tanpa serat dan beton dengan campuran serat baja. Penelitian ini menggunakan sampel balok beton bertulang dengan ukuran 15 cm x 19 cm x 170 cm dengan 2 tulangan lentur D-10 mm (2D-10mm) dengan 1 buah sampel balok setiap volume fraction (Vf) 0%, 0,5%, 1% dan 1,5%. Sampel balok beton bertulang mempunyai bentang diantara dua tumpuan sederhana sepanjang 150 cm, dan diuji dengan dua beban titik secara bertahap dari nol sampai dengan runtuh. Pengujian tiap sampel dilakukan 28 hari setelah pengecoran. Dari hasil penelitian didapatkan: (1) Hasil uji kuat tekan tidak mengalami perbedaan yang signifikat dengan adanya penambahan serat baja., (2) Kuat tarik lentur balok beton tertinggi terdapat pada Vf 1,5% dan mengalami peningkatan sebesar 281,42% dari Vf 0%., dan (3) Kuat lentur balok beton bertulang dengan beban maksimum terdapat pada Vf 1,5% dan mengalami peningkatan sebesar 56,64% dari Vf 0%. Penambahan serat baja pada balok beton bertulang menyebabkan balok tersebut menjadi lebih kaku, penambahan serat juga dapat memperbaiki sifat getas pada beton.
Kinerja Kuat Geser Interface Beton Lama (Substrate) Dan Beton Baru (Overlay) Dengan Variasi Sudut Kemiringan Dan Volume Fraksi Serat Baja Hussein, Imam; Noorhidana, Vera Agustriana; Isneini, Mohd.
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1385

Abstract

Dalam suatu pekerjaan struktur seringkali dijumpai pekerjaan perbaikan atau perkuatan struktur beton. Permasalahan yang sering muncul pada pekerjaan perbaikan atau perkuatan struktur terletak pada lekatan antara beton lama dan baru, dimana pertemuan (interface) merupakan bagian terlemah dari struktur. Penelitian ini bertujuan untuk mengetahui kinerja kuat geser lekatan interface antara beton lama (substrate) dengan beton baru (overlay) dengan variasi sudut kemiringan dan volume fraksi serat baja pada beton baru. Metode yang digunakan adalah metode Slant Shear Test, dengan menggunakan benda uji berbentuk prisma dengan dimensi 150 x 150 x 300 mm. Terdapat 2 variasi yang digunakan yaitu, (1) variasi sudut kemiringan 30°,45°, dan 70°dan (2) variasi campuran serat baja pada lapis overlay sebesar 0%, 0,5%, 1% dan 1,5%. Pada setiap variasi dibuat benda uji kuat tekan (kubus 150 x 150 x 150) dan kuat tarik lentur (balok 100 x 100 x 400). Dari hasil penelitian dapat disimpulkan bahwa 1) Kemiringan interface antara beton lama dan beton baru terhadap arah beban tekan mempengaruhi kuat geser lekatan antara beton lama dan beton baru, 2) Penambahan serat baja dalam beton overlay dapat meningkatkan kuat lekatan antara beton lama-baru dan kuat tarik lentur beton.  Kata kunci : kuat geser, interface, substrate, overlay, kuat tarik lentur.
Preferensi Pengguna Kendaraan Pribadi dalam Memilih Jenis BBM Subsidi dan Non Subsidi Setiawan, Andrian; Putra, Sasana; Purba, Aleksander
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1389

Abstract

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.
Perencanaan Sistem Jaringan Air Limbah di Fakultas Teknik Universitas Lampung Essra, Imannurichsan; Angin, Geleng Perangin; Purwadi, Ofik Taufik
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1391

Abstract

Fakultas Teknik adalah salah satu fakultas terbaik di Universitas Lampung, dan menjadi pusat penelitian di bidang teknologi. dengan bertambahnya civitas maka akan bertambah juga volume air limbah cair domestik yang di hasilkan, sehingga berpotensi terjadinya pencemaran lingkungan.Pembuangan air limbah tanpa melalui proses pengolahan terlebih dahulu akan menjadi sebab terjadinya pencemaran lingkungan. Oleh karena itu perencanaan sistem jaringan air limbah di Fakultas Teknik Universitas Lampung perlu mendapat perhatian yang penting guna menghidari penurunan kualitas air baku akibat pencemaran lingkungan. Penelitian ini bertujuan untuk mengetahui jumlah debit air limbah cair domestik yang dihasilkan di Fakultas Teknik Universitas Lampung dan mendesain sistem jaringan air limbah cair domestik sesuai dengan ketentuan.Berdasarkan penelitian yang telah dilakukan, diperoleh kapasitas air limbah domestik di Fakultas Teknik Universitas Lampung sebesar 12600 liter/hari atau 0,1447 liter/detik, dan debit puncak 0,2170 liter/detik, ukuran desain bak pengolahan air limbah adalah panjang 6 meter, lebar 1 meter. sistem pengolahan air limbah menggunakan sistem terpusat dengan metode aerob-anaerob. Saluran pembawa air limbah di desain dengan pipa diameter 6 inci / 150 milimeter menggunakan bahan PolyvinilChloride(PVC) Kata kunci:Air Limbah domestik, Aerob-anaerob, Bak pengolahan.
Evaluasi Struktur Jalan Rel Kereta Api pada Fasilitas Perawatan Angkutan Batu Bara Wilayah DIVRE IV TNK Anggi, Yulisna; Iswan, Iswan; Alami, Fikri
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1392

Abstract

Untuk mengetahui kondisi struktur jalan rel yang telah dibangun pada STA 28+221,52 sampai dengan STA 30+269,80 di stasiun rejosari kecamatan Natar, Lampung Selatan. Tujuan penelitian ini adalah mengevaluasi desain exsisting struktur jalan rel kereta api baik dari segi dimensi ataupun mutu bahan menggunakan software FEA (Finite Element Analysis) yaitu aplikasi SAP 2000 dan Plaxis versi 8.6. Dari hasil pembahasan didapatkan evaluasi struktur jalan rel pada STA 28+221,52 sampai dengan STA 30+269,80 80% memenuhi standar peraturan yang ada secara mutu bahan material. Didapatkan nilai faktor keamanan yaitu pada STA 29+575 sebesar 0,856. Pada STA 30+125 sebesar 1,047, pada STA 30+250 sebesar 1,198. Nilai ini tidak memenuhi syarat kestabilan tanah yaitu faktor keamanan > 1,25 sehingga dilakukan analisis berikutnya menggunakan desain turap yang dipasang pada kelongsoran tanah yang terjadi. STA 29+575 sebesar 1,971, STA 30+125 sebesar 1,454, STA 30+250 sebesar 1,471 yang artinya peningkatan faktor keamanan terjadi sebesar 20% dan memenuhi syarat kestabilitasan tanah. Kemudian pada analisa SAP 2000 dilakukan pada bantalan beton untuk mengetahui keretakan pada bantalan yang terjadi. Dari hasil analisis yang dilakukan didapat : bantalan beton tidak retak jika diberikan jacking force sebesar 74 kN.
Kajian Perbaikan Tanah Dasar dan Proteksi Lereng pada Rencana Jalur Ganda Kereta Api Antara Giham-Martapura Hidayat, Oktario Eko; Afriani, Lusmeilia; Siregar, Amril Ma'ruf
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1405

Abstract

The train is a means of transportation favored by the community because the train is one of the modes of transportation that has special characteristics and advantages. Along with the development of infrastructure development in Lampung Province and South Sumatra Province, the planning and design of a building must be done carefully and well, one of them is by building a double track between Giham - Martapura, South Sumatra because the application of one track has many obstacles. It is hoped that the addition of the double track can make the train schedule more timely and can improve the quality of the trip. Based on the results of the Atterberg boundary test the soil originating from the undisturbed soil sample of the Giham-Martapura railroad gets an PI value <LL-30 (26.51% <27.95%), then the land based on the AASHTO system is classified into A -7-5 that is clay soil and as subgrade material has normal to poor evaluation. Keywords: railroad, land, double track, slope protection.

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