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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 Journal La Multiapp Jurnal Sains dan Teknologi Jurnal Bakti Bagi Bangsa Sejahtera: Jurnal Inspirasi Mengabdi Untuk Negeri Innovative: Journal Of Social Science Research Jurnal Salome: Multidisipliner Keilmuan Jurnal Ilmiah Multidisiplin Ilmu Jurnal Riset Teknik Komputer
Ninik Paryati
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Pengaruh Penggunaan Serbuk Arang Batok Kelapa Terhadap Kuat Tekan Beton Eransyah, Muhammad Fitra; Paryati, Ninik; Sylviana, Rika
Jurnal Sains dan Teknologi (JSIT) Vol. 2 No. 1 (2022): January-April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v2i1.88

Abstract

Processing of coconut shells into charcoal powder as a concrete mixture. The use of coconut shell charcoal powder on the compressive strength of concrete aims to be a substitute for cement for normal concrete compressive strength and to determine the optimum concrete compressive strength after substitution of cement using coconut shell charcoal powder. In this study the use of coconut shell charcoal powder as a cement substitution with variations of 0%, 2.5%, 5% and 7.5%. Concrete testing was carried out at the age of 28 days after treatment by being immersed in water. The results of the analysis showed that the average compressive strength value of the addition of coconut shell charcoal powder at variations of 5% and 7.5% decreased by 11% and 12.57% because with the increasing number of calcium hydroxide formed, the cement adhesion will decrease so that the structure inside will be weak and cause the compressive strength to be low, while the variation of adding coconut shell charcoal powder 2.5% has an increase of 2.07% against normal concrete compressive strength. From the results of the characteristic concrete compressive strength obtained with substitution variations of 2.5%, 5%, and 7.5% respectively of 278.74 kg/cm2, 243.43 kg/cm2 and 238.96 kg/cm2, the concrete These include class II K 275 concrete (middle class concrete) structural concrete.
Analisis Kuda-Kuda Baja dengan Metode Titik Buhul dan Structure Analisis Program (SAP) 2000 Paryati, Ninik
Innovative: Journal Of Social Science Research Vol. 5 No. 3 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i3.18881

Abstract

Struktur rangka batang merupakan struktur yang banyak digunakan dalam dunia konstruksi, seperti rangka jembatan, kuda-kuda pada atap, tower dan lain sebagainya. Struktur rangka batang terangkai dari beberapa batang yang disambungkan pada ujung batang di titik buhul atau simpul. Sambungan pada titik buhul biasanya memakai alat sambung baut, paku keling atau las. Untuk analisis, biasanya sambungan atau titik buhul dianggap sendi dan terangkai dari elemen segitiga-segitiga yang mampu menahan beban aksial tekan maupun tarik. Berbagai metode digunakan untuk menganalisis struktur truss ini agar mendapatkan perencanaan yang baik sehingga struktur tersebut akan stabil atau seimbang dan kuat sehingga aman untuk digunakan. Perencanaan struktur kuda-kuda baja ini menggunakan metode keseimbangan titik buhul untuk menganalisis kekuatannya dalam menahan beban yang ada pada kuda-kuda baja, kemudian dikontrol dengan software teknik sipil yaitu Structure Analysis Program (SAP)2000 baik dalam geometri struktur, pembebanan, kekuatan maupun keamanannya untuk mengetahui kuat tidaknya struktur yang direncanakan, selanjutnya dibuat gambar final desain strukturnya. Hasil dari perencanaan struktur kuda-kuda menggunakan profil baja 2L.60.60.6 dan 2L.50.50.5 tegangan pada struktur kuda-kuda sebesar 802.76 kg/cm2 lebih kecil dari tegangan ijin sebesar 1600 kg/cm2 sehingga struktur aman. Untuk hasil kontrol lendutan diketahui bahwa dari lendutan pada struktur kuda-kuda sebesar 0.01287 lebih kecil dari lendutan ijin sebesar 1.042 sehingga struktur aman. Dari hasil check desain struktur diketahui bahwa semua frame berwarna biru yang menunjukkan bahwa struktur kuda-kuda baja tersebut sangat kuat dan aman.
Comparative Analysis of Steel and Timber Truss Structural Strength in Shophouse Buildings Using the Structure Analysis Program Method Paryati, Ninik
Journal La Multiapp Vol. 7 No. 1 (2026): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v7i1.2769

Abstract

Wood and steel trusses are two types of materials commonly used in building roof structures, each with its own advantages and disadvantages in terms of strength, durability, cost, aesthetics, and other aspects. This study examines steel and wood trusses from the aspect of strength by designing both types of trusses and then determining the quality of wood and steel materials for analysis using a structural analysis program. The truss design has a span of 18 m with a roof slope of 30°, and the trusses are spaced 2 m apart. The total area of the shop-house building is 12 m × 18 m = 216 m², with a height of 4 m. The truss material uses steel with a grade of BJ 37, while the wood is grade A. The structure of the shop-house uses concrete with a strength of 25 MPa. The dead load consists of a uniform load of 50 kg/m² for the trusses and 150 kg/m² for the shop-house. The live load for the roof (liveroof) is 50 kg/m², while the live load for the shop-house floor is a uniform load of 100 kg/m². The load combination used in the analysis is 1.2D + 1.6L + 0.5Lr. The analysis results show that the bending moment, shear force, and axial force of the steel truss are greater than those of the wood truss because the self-weight of the steel truss is higher than that of the wood truss. The deflection of both steel and wood trusses remains within the allowable limit of 0.3, indicating that the deflections are safe. Based on the structural design check, both steel and wood trusses are safe to use.
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 Sri Nuryati Srigunarti, Anita Setyowati Supratno , Setyo Taufan, Acep Ali