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All Journal IPTEK The Journal for Technology and Science Journal of Civil Engineering BERITA BIOLOGI Jurnal Aplikasi Teknik Sipil Envirotek : Jurnal Ilmiah Teknik Lingkungan Islamic Economics and Finance Journal
Harun Alrasyid
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences

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KAJIAN BUDIDAYA POHON EBONI Alrasyid, Harun
BERITA BIOLOGI Vol 6, No 2 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.544 KB) | DOI: 10.14203/beritabiologi.v6i2.1484

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Multi-Objective Two-Dimensional Truss Optimization by using Genetic Algorithm Alrasyid, Harun; Aji, Pujo
IPTEK The Journal for Technology and Science Vol 22, No 2 (2011)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v22i2.62

Abstract

During last three decade, many mathematical programming methods have been develop for solving optimization problems. However, no single method has been found to be entirely efficient and robust for the wide range of engineering optimization problems. Most design application in civil engineering involve selecting values for a set of design variables that best describe the behavior and performance of the particular problem while satisfying the requirements and specifications imposed by codes of practice. The introduction of Genetic Algorithm (GA) into the field of structural optimization has opened new avenues for research because they have been successful applied while traditional methods have failed. GAs is efficient and broadly applicable global search procedure based on stochastic approach which relies on “survival of the fittest” strategy. GAs are search algorithms that are based on the concepts of natural selection and natural genetics. On this research Multi-objective sizing and configuration optimization of the two-dimensional truss has been conducted using a genetic algorithm. Some preliminary runs of the GA were conducted to determine the best combinations of GA parameters such as population size and probability of mutation so as to get better scaling for rest of the runs. Comparing the results from sizing and sizing– configuration optimization, can obtained a significant reduction in the weight and deflection. Sizing–configuration optimization produces lighter weight and small displacement than sizing optimization. The results were obtained by using a GA with relative ease (computationally) and these results are very competitive compared to those obtained from other methods of truss optimization.
Evaluasi Struktur Bangunan Gedung Beton Bertulang Berusia 50 Tahun Bedasarkan SNI 1726 2012 dan SNI 2847 2013 Afif Navir Refani; Harun Alrasyid; Mudji Irmawan
Jurnal Aplikasi Teknik Sipil Vol 13, No 2 (2015)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2112.259 KB) | DOI: 10.12962/j12345678.v13i2.1586

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Penelitian ini membahas penilaian bangunan beton bertulang yang berusia 50 tahun berdasarkan standar perencanaan bangunan terbaru. Studi kasus yang dipakai adalah gedung Cipta yang terletak di Merdeka Barat, Jakarta. Survei lapangan dan uji laboratorium dilakukan untuk mengamati kondisi terkini dari struktur bangunan. Satu tes destruktif dan tiga tes non-destruktif dilakukan untuk mendapatkan kekuatan tekan beton aktual dan jumlah tulangan yang terpasang dalam elemen struktur. Berdasarkan kekuatan material eksisting, analisis struktur 3 dimensi yang diterapkan untuk mengevaluasi kekuatan nominal elemen beton bertulang. Dalam penilaian ini, gedung Cipta dievaluasi berdasarkan persyaratan struktur rangka pemikul momen khusus. Hasil pengamatan menunjukkan bahwa bangunan Cipta masih aman untuk menahan beban gravitasi. Disisi lain, struktur bangunan ini tidak memenuhi persyaratan untuk struktur rangka pemikul momen khusus. Penelitian ini menunjukkan bahwa bangunan beton yang berusia 50 tahun diperkuat hanya didesain untuk beban gravitasi.
PEMBUATAN SILIKA TERMODIFIKASI DARI SEKAM PADI SEBAGAI ADSORBEN LOGAM BERAT PADA LIMBAH CAIR [REVIEW] Oktavia Safitri; Harun Alrasyid; Kartika Udyani
Envirotek : Jurnal Ilmiah Teknik Lingkungan Vol 12 No 2 (2020): Envirotek : Jurnal Ilmiah Teknik Lingkungan
Publisher : Program Studi Teknik Lingkungan, Universitas Pembangunan Nasional Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (379.127 KB) | DOI: 10.33005/envirotek.v12i2.53

Abstract

ABSTRACT Some heavy metals that can pollute the environment and are toxic are lead [Pb], nickel [Ni]. Waste water treatment that contains heavy metals can be done by the adsorption method, because it is more efficient and economical. The review discusses how to determine the use of rice husks as heavy metal adsorbents in liquid waste and how to modify silica rice husks as adsorbents in order to increase the ability of absorption of heavy metals in liquid waste. In this stage the method of rice husk silica by means of rice husk is heated by heating around 7500C and the rice husk silica is modified with solutions such as 3-aminopropyl trimethoxysilane. From this literature study can provide information about the adsorption power of modified rice husk silica to heavy metals in liquid waste. The order maksimum of Pb, and Ni is 98,14% absorption efficiency and 99.43% Keywords : waste water, heavy metals, silica, rice husk, adsorption
SHEAR BEHAVIOUR ANALYSIS OF REINFORCED CONCRETE BEAM USING NON-LINEAR FINITE ELEMENT SIMULATION Rahmat Dwi Sutrisno; Harun Alrasyid; Wahyuniarsih Sutrisno
Journal of Civil Engineering Vol 37, No 1 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i1.12602

Abstract

This paper investigates shear behaviour of reinforced concrete using multi-surface plasticity model. This analysis uses nonlinear finite element simulation using 3D-NLFEA finite element package. The experimental data adopted from the results of experimental test on eighteen beams where nine beams carried out by Bresler and Scordelis in 1963 and similar nine beams carried out by Vecchio and Shim in 2004. The constitutive model for the concrete material which used in this simulation is based on the plasticity-fracture model and considered the tension stiffening effect for the concrete. The result of the numerical simulation latter compared with the experimental test including load-deflection response, cracking pattern, and failure mode. Based on the analysis result, it was found that the load-deflection response shows slightly higher response compared with the experimental result. However, the cracking pattern and failure mode of the beam shows good result which is in compliance with the experimental test.
PENGARUH KEPERCAYAAN DAN KEMUDAHAN LAYANAN DIGITAL TERHADAP KEPUASAN NASABAH BANK SYARIAH INDONESIA DALAM MELAKUKAN TRANSAKSI DI MASA PANDEMI COVID-19 Nanda Dian Rahmadani; Nur Diana; Harun Alrasyid
El-Aswaq Vol 3, No 1 (2022): Vol 3, No 1 (2022) : El-Aswaq
Publisher : Fakultas Ekonomi dan Bisnis Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (184.089 KB)

Abstract

Perkembangan teknologi yang pesat dimanfaatkan secara langsung oleh industri perbankan,khususnya bank syariah, dengan melakukan inovasi produk digital untuk melayani nasabah di masapandemi covid-19. Layanan digital perbankan syariah terkait mobile banking menggambarkan prosesvirtual yang mendukung semua layanan yang diharapkan dapat meningkatkan tingkat literasiperbankan syariah secara signifikan. Tujuan dari penelitian ini adalah untuk mengklarifikasi dampakkeandalan dan kenyamanan layanan digital terhadap kepuasan nasabah Bank Syariah IndonesiaKota Malang. Metode penelitian ini memakai kuantitatif. Metode pengambilan sampel yangdigunakan adalah metode sampling bertarget. Pengumpulan data dilakukan melalui Google Formyang dibagikan kepada 100 responden. Untuk pengujian hipotesis menggunakan SPSS 2022. Hasilsurvei ini menunjukkan bahwa kepercayaan pelanggan yang fluktuatif (X1) berpengaruh positif dansignifikan terhadap kepuasan pelanggan (Y). Variabel serviceability (X2) untuk layanan digitalberpengaruh positif dan signifikan terhadap kepuasan pelanggan (Y). Variabel kepercayaanpelanggan dan kemudahan penggunaan layanan digital berpengaruh positif dan signifikan terhadapkepuasan pelanggan. Hal ini dibuktikan dengan nilai signifikansi sebesar 0,000 (p˂o, o5). Nilaikoefisien determinasi adalah 0,832, artinya kontribusi layanan digital terhadap kepuasan pelanggansebesar 83%, sisanya sebesar 17% dipengaruhi oleh variabel lain.
PENGARUH ZAKAT, INFAK DAN SHODAQOH (ZIS) PRODUKTIF TERHADAP KINERJA UMKM YANG TERDAMPAK PANDEMI COVID-19 (Studi Kasus UMKM Binaan LAZIZNU Kertosono) Bayu Kurnia Rizki; Nur Diana; Harun Alrasyid
El-Aswaq: Islamic Economics and Finance Journal Vol. 2 No. 1 (2021): El-Aswaq
Publisher : Universitas Islam Malang

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Abstract

This study aims to determine the effect of Productive Zakat, Infaq and Shodaqoh (ZIS) on the performance of MSMEs affected by the Covid-19 pandemic. Samples were taken using purposive sampling method. The method used in this research is descriptive quantitative method with simple linear regression analysis technique and hypothesis testing with SPSS. The results of data analysis show that Productive ZIS simultaneously affects the performance of MSMEs affected by the COVID-19 pandemic. Partially, productive ZIS affects the performance of MSMEs affected by the COVID-19 pandemic.
PENGARUH INFLASI DAN NILAI TUKAR TERHADAP PROFITABILITAS BANK UMUM SYARIAH YANG LISTING DI OJK TAHUN 2016-2020 Asniza Afhami; Maslichah Maslichah; Harun Alrasyid
El-Aswaq: Islamic Economics and Finance Journal Vol. 2 No. 2 (2021): El-Aswaq
Publisher : Universitas Islam Malang

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Abstract

This study aims to determine the effect of inflation and exchange rates on theprofitability of Islamic Commercial Banks listed at OJK in 2016-2020. The analyticalmethod used in this research is multiple linear regression analysis. for hypothesis testingusing SPSS. The results of this study indicate that 1) the inflation variable has asignificant negative effect on profitability (Y). 2) the exchange rate variable has no effecton profitability (Y). while the inflation and exchange rate variables affect profitability.
PENGARUH PERSEPSI MASYARAKAT TERHADAP KENYAMANAN DAN TINGKAT KUALITAS PELAYANAN PASCA MERGER BANK SYARIAH INDONESIA (Studi kasus pada nasabah Bank Syariah Indonesia) Dewi Hurwardani; Nur Diana; Harun Alrasyid
El-Aswaq: Islamic Economics and Finance Journal Vol. 3 No. 1 (2022): El-Aswaq
Publisher : Universitas Islam Malang

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Abstract

Penelitian ini bertujuan untuk mengetahui Persepsi Masyarakat (X) terhadap Kenyamanan (Y1) danTingkat Kualitas Pelayanan (Y2) pasca merger Bank Syariah Indonesia.Jenis penelitian didesain dengan penelitian korelasional. Sampel penelitian adalah 70 respondenyang merupakan nasabah Bank Syariah Indonesia dengan menggunakan metode kuesioner. Data dianalisisdengan menggunakan analisis regresi sederhana. Hasil penelitian menunjukkan bahwa: (1) Persepsimasyarakat berpengaruh positif signifikan terhadap kenyamanan pasca merger Bank Syariah Indonesia. (2)Persepsi masyarakat berpengaruh positif signifikan terhadap tingkat kualitas pelayanan pasca merger BankSyariah Indonesia.
Pengaruh Pengetahuan Nasabah , Reliogiousity Dan Lingkungan Sosial Terhadap Minat Menabung Menggunakan Bank Syariah (Studi Kasus Mahasiswa Universitas Islam Malang) Dinda Dewi Anggraeni; Nur Diana; Harun Alrasyid
El-Aswaq: Islamic Economics and Finance Journal Vol. 3 No. 1 (2022): El-Aswaq
Publisher : Universitas Islam Malang

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Abstract

This study aims to determine and analyze the effect of customer knowledge, religiosity, and social environment oninterest in saving in Islamic banks among students of the Islamic University of Malang. The type of research used iscorrelational research. The sample in this study was 99 students of the Islamic University of Malang. Data wascollected by distributing questionnaires. Analysis of the data used in this study using validity test, reliability test,normality test, multicollinearity, heteroscedasticity, simultaneous F test, coefficient of determination, and t-testresults. The results of this study simultaneously the variables of customer knowledge, religiosity, and socialenvironment have a significant effect on interest in saving in Islamic banks. While partially 1) the variable ofcustomer knowledge partially has a significant positive effect on interest in saving, 2) religiosity partially has asignificant and positive effect on interest in saving, and the social environment partially has a significant andnegative effect on interest in saving.
Co-Authors Afif Navir Refani Aji, Pujo Asniza Afhami Bayu Kurnia Rizki Dewi Hurwardani Dinda Dewi Anggraeni Farizka Ananda Safitri Kartika Udyani Maslichah, Maslichah Mudji Irmawan Nanda Dian Rahmadani Nur Diana Nur Diana Oktavia Safitri Pinky Anjeli Rafika Nur Laili Rafika Tri Cahya Rahmat Dwi Sutrisno Sabariah Sabariah Sylviah Rizky Novia Anwaari Wahyuniarsih Sutrisno