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All Journal Jurnal F. Teknik : RESULTAN JREC (Journal of Electrical and Electronics) SITEKIN: Jurnal Sains, Teknologi dan Industri BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Creative Research Journal Jurnal Kridatama Sains dan Teknologi Jurnal ABDIMAS (Pengabdian kepada Masyarakat) UBJ Jurnal Sains dan Teknologi An-Nizam: Jurnal Bakti Bagi Bangsa Sejahtera: Jurnal Inspirasi Mengabdi Untuk Negeri Innovative: Journal Of Social Science Research Jurnal Ilmiah Multidisiplin Ilmu Jurnal Riset Teknik Komputer
Ninik Paryati
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PENGGUNAAN BATANG ECENG GONDOK TERHADAP KUAT TEKAN DAN KUAT TARIK BETON Gunawan Priyatno; Anita Setyowati Srie GunartI; Ninik Paryati
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 5 No 1 (2017): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v5i1.153

Abstract

Tanaman Eceng Gondok yang tumbuh sangat cepat berdampak negatif bagi fungsisungai, rawa dan danau dimana akar tanaman yang menggantung ini menyerap oksigenyang berada disekitarnya. Aliran air sungai jadi terhambat karena penuh oleh tanamanEceng Gondok, oleh karena itu perlu adanya pemanfaatan Eceng Gondok yang positifseperti sebagai bahan tambah campuran beton.Pengujian laboratorium dilaksanakan dengan menambahkan serat batang EcengGondok pada beton. Penambahan serat sebesar 0,25 %, 0,50 % dan 0,75 % subtitusiterhadap agregat halus. Pengujian yang dilakukan yaitu uji kuat tekan dan uji kuat tarikbeton dengan mutu K-225.Hasil penelitian menunjukan penurunan kuat tekan beton sebesar 7,54 % terhadapbeton normal pada komposisi serat Eceng Gondok 0,25 %. Begitu juga dengan nilai kuattarik beton terjadi penurunan sebesar 7,57 % terhadap beton normal pada komposisi seratEceng Gondok 0,25 %. Seiring dengan pertambahan kadar serat Eceng Gondok, nilai kuattarik dan tekan semakin menurun.
Kinerja Simpang Bersinyal Jalan Ahmad Yani dengan Jalan M.Hasibuan – Jalan KH. Noer Ali Kota Bekasi Rizal Maarif; Sri Nuryati; Ninik Paryati
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 7 No 1 (2019): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v7i1.1598

Abstract

Material construction resources are very limited, but the demand for these materials tends to increase. Therefore, it is necessary to search for alternative materials such as utilizing used goods (garbage) as construction materials. An alternative material used in this study was iron shavings waste as an additional material in the concrete brick mixture to replace sand. Therefore, it can minimize the use of sand and reduce iron shavings. The study was conducted by changing the standard size of the brick according to SNI to a size of 10 x 10 x 10 cm. The results showed that the addition of iron shavings in the concrete mixture was able to increase compressive strength value. The percentage increases in compressive strength of normal concrete blocks were: 14.87%, 24.79%, 45.45%, and 71.90%. The compressive strength of ordinary concrete brick of age 7 days is 41,374 KN, and after iron shaving addition the strength improve by 47,529 KN, 51,632 KN, 60,18 KN and 71,123 KN with the percentage of iron shaving of 2.5%, 5% , 7.5% and 10% respectively. These improve value was also categorized as quality I, II and III according to SNI 03-0349-1989 requirement.
Investigasi Keruntuhan Geser Balok Tinggi Beton Bertulang dan Beton Fiber Dengan Metode Eksperimental, Metode Numerik dan Metode Strut and Tie Eko Darma; Ninik Paryati
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 7 No 2 (2019): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v7i2.1749

Abstract

One reinforced beam element that experiences a shear failure is a high beam; a beam that follows a requirement based on SNI-2847-2013 standard that have the proportion of sliding span (l) and the effective height (d) not more than three. The type of collapse in high beams generally is shear failure in which the crack appears from the area around the placement, propagates and reaching the maximum value at the point of loading. Observation of crack patterns and ultimate loads can be done by several methods based on both non-linearity and linearity of materials. Two specimens consisted of one high beam conventional reinforced concrete and one high beam concrete fiber with a dimension of 170 mm x 420 mm x 850 mm were prepared. Fiber from machine turning waste was used as coarse aggregate substitution with 100% composition in fiber concrete. Both specimens were tested in the laboratory and observed for crack patterns analysis and ultimate load achievement. The experimental test results were then compared with the numerical test results for the non-linearity properties of the material and the Strut and Tie method for the linearity properties of the material. The ultimate high beam of conventional reinforced concrete when experiencing shear failure in the experimental method, numeric method, and strut and tie method were 310 KN, 290 KN, and 236.917 KN respectively, whereas in the high beam fiber concrete, the ultimate load in the experimental method, numeric method, and in the strut and tie method were 280 KN, 260 KN, and 263,917 KN respectively. The biggest ratio of test results were obtained from the comparison between the numerical and the experimental methods in conventional concrete which was equal to 0.94. This showed the similarity of non-linearity properties of the material to produce adjacent test results.
Faktor Keterlambatan Pekerjaan Struktur Gedung terhadap Biaya Pelaksanaan pada Proyek Pembangunan Hotel di Bekasi Dian Dwi Putra; Ninik Paryati; Elma Yulius
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 7 No 2 (2019): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v7i2.1752

Abstract

Nowadays, delays in project often occur and cause various losses both for service providers and users. For the contractors, delays create the project cost overruns due to project overtime and can decrease contractor credibility in the future. This study aims to analyze a project delay by minimizing the work delays earlier. The analysis of a hotel building planning regarding the cost and time delays is done qualitatively by distributing questionnaires to the contractors and processing the responses using the SPSS software. The results of the S curve analysis and 30 factors that caused the project delay were identified and indicated that there was a delay value of 1.26% with five variables that most contributed to the delay in the construction project at PT. Wijaya Kusuma Contractors, i.e. reworking due to construction errors, low coordination between contractors and stakeholders, late material delivery, and equipment shortages.
Prototipe Antena Mikrostrip Feed Slot Loop Berfrekuensi Milimeter Wave Untuk Teknologi 4G LTE Sukwati Dewi Asrika; Sri Marini; Ninik Paryati
JREC (Journal of Electrical and Electronics) Vol. 7 No. 2 (2019): JREC (Journal of Electrical and Electronics)
Publisher : Program Studi Teknik Elektro Fakultas Teknik Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Teknologi 4G LTE membutuhkan antena yang bekerja pada frekuensi 1,8 GHZ - 5 GHZ. Pada Penelitian ini merancang Antena mikrostrip wide-band T tranformer slot loop patch persegi berfrekuensi milimeter wave berkerja pada range frekuensi 2 GHz - 5 GHz. Geometri antena 12 x 18
Co-Authors Adi Susanto, Riki Agussalim, Anita Mardiana Anita Mardiyana Agussalim Anita Setyowati Srie Gunarti Aris Setyo Wibowo Asrika, Sukwati Dewi Budi Rahmawati, Budi Ciptaningtyas, Yulia Darma , Eko Dian Dwi Putra Ekawati , Dian Ekawati , Inna Eko Darma Eko Darma Elma yulius Elvira Novita Tanjung Eransyah, Muhammad Fitra Fajar Prihesnanto, Fajar Falah, Fazrul Fathu Rahman Fikri, ZA Freedrick, Freedrick Gunawan Priyatno Irfan Nanda Pratama Irfan Saputra, Muhammad Luky Adrianto Maarif, Rizal Nurita, Firda Putri Prasetyawan, Dimas Tri Prasetyo, Setyo Priyatno, Gunawan Putra, Dian Dwi Rika Sylviana Rizal Maarif Saputro, Rizki Adityo Setyo Supratno Sri Marini Sri Nuryati Srigunarti, Anita Setyowati Sukwati Dewi Asrika Taufan, Acep Ali