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All Journal Jurnal Media Teknik Sipil Inersia : Jurnal Teknik Sipil dan Arsitektur Jurnal Ilmiah Teknik Sipil Jurnal Ilmiah Desain & Konstruksi Jurnal Teknosains Rekayasa Sipil Fondasi: Jurnal Teknik Sipil Jurnal Teknik Sipil Journal of the Civil Engineering Forum Civil Engineering Dimension Jurnal Riset Rekayasa Sipil Stabilita : Jurnal Ilmiah Teknik Sipil Fakultas Teknik Universitas Halu Oleo Kendari Community Empowerment Journal of Civil Engineering and Planning (JCEP)

Aminullah, Akhmad

Civil And Environment Engineering Of Gadjah Mada University

Author-ID : 2555684

Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences Transportation

Published : 19 Documents Claim Missing Document

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EKSPERIMEN PADA STRUKTUR PILE CAP TIGA TIANG DENGAN METODE STRUT AND TIE MODEL Maulana Agung Sedayu; Djoko Sulistyo; Akhmad Aminullah
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 15, No 2 (2019): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACTIn general, the design of the pile cap structure still uses conventional method assuming all regions experience linear strain. However, in reality the strain distribution in the cross section of the structure is not always linear so that a rational analysis method is needed with the assumption that is close to the actual condition using the strut and tie model method. This study aims to determine the behavior of crack pattern in the pile cap designed using the strut and tie model method (SNI 2847:2013 Appendix A) compared to conventional methods (SNI 2847:2013 Article 15). The specimen is the pile cap with three-piles and concentrated load, each of which has three methods. Loading is a static load that is channeled through a column located centric towards the structure of the pile cap. The results show that: the entire test object based on the two methods have flexural crack pattern. The average load capacity of the first crack (Pcr) on the specimen was designed using the strut and tie model and the conventional method were 239.0 kN and 193.7 kN. The average of crack width on the specimen using the strut and tie model and the conventional method were 0.68 mm and 3.88 mm.Keywords: crack pattern, pile cap, three-piles, strut and tie model ABSTRAK Pada umumnya perancangan struktur pile cap masih menggunakan metode konvensional dengan asumsi semua daerah mengalami regangan linier. Akan tetapi pada kenyataannya distribusi regangan pada penampang struktur tidak selalu linier sehingga diperlukan suatu metode analisis yang rasional dengan asumsi yang mendekati kondisi sebenarnya yaitu menggunakan metode strut and tie model. Penelitian ini bertujuan untuk mengetahui perilaku pola retak pada pile cap yang dirancang dengan metode strut and tie model (SNI 2847:2013 Lampiran A) dibandingkan dengan metode konvensional (SNI 2847:2013 Pasal 15). Pada setiap metode terdiri dari tiga buah benda uji berupa pile cap tiga tiang dengan beban sentris. Pembebanan berupa beban statis yang disalurkan melalui kolom yang terletak sentris terhadap struktur pile cap. Hasil pengujian menunjukkan bahwa keseluruhan benda uji berdasarkan kedua metode mempunyai pola retak lentur (flexural crack). Untuk rata-rata kapasitas beban saat retak pertama (Pcr) pada benda uji yang dirancang menggunakan metode strut and tie model dan metode konvensional adalah sebesar 239,0 kN dan 193,7 kN. Kemudian rata-rata lebar retak pada benda uji menggunakan metode strut and tie model dan metode konvensional adalah sebesar 0,68 mm dan 3,88 mm. Kata kunci: pola retak, pile cap, tiga tiang, strut and tie model

OPTIMASI GEOMETRI BERDARASKAN GAYA-GAYA DALAM PADA JEMBATAN PELENGKUNG BETON Almulianur Almulianur; Akhmad Aminullah; Muslikh Muslikh
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 14, No 2 (2018): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACT This study discusses geometricoptimization based on internal forces that occur on concrete arch bridges. Geometric optimization is viewed from the use of the ratio between the height to the length of arch. Optimum ratio based on the internal forces that occur on concrete arch bridge. The ratio between the height and the length of arch are made on the concrete arch bridge with the span of 150 m, variation of the ratio performed 1: 2 to 1: 8 with interval of 0.25. Modeling of concrete arch bridge was made on softwere SAP 2000 with 25 models due to the difference of ratio interval variation. Based on the results of internal forces with variation of the ratio, the results for the most optimum geometry are 1: 4 to 1: 7,25.Keywords: concrete arch bridge, geometry,optimization, ratio ABSTRAK Pada kajian ini membahas tentang optimasi geometri berdasarkan gaya-gaya dalam yang terjadi pada jembatan pelengkung beton. Optimasi geometri dilihat daripenggunaan rasio antara tinggi pelengkung terhadap panjang pelengkung. Rasio yang paling optimum berdasarkan gaya-gaya yang terjadi pada jembatan pelengkung beton. Rasio antara tinggi pelengkung dan panjang pelengkung akan dilakukan pada jembatan pelengkung beton dengan bentang 150 m. variasi rasio dilakukan antara 1 : 2 sampai 1 : 8 dengan interval 0.25. Pemodelan jembatan pelengkung beton dilakukan pada softwere sap 2000 dengan 25 model akibat perbedaan variasi interval rasio. Berdasarkan hasil gaya-gaya dalam dengan variasi rasio didapatkan hasil untuk geometri yang paling optimum berada antara rasio 1 : 4 sampai 1 : 7,25.Kata kunci: jembatan pelengkung beton geometri, optimasi, rasio

Pendekatan Artificial Neural Network untuk Mengestimasi Dimensi Optimum dan Rasio Tulangan Gedung Kinanti Faradiba Harahap; Akhmad Aminullah; Henricus Priyosulistyo
Inersia: Jurnal Teknik Sipil dan Arsitektur Vol 18, No 1 (2022): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v18i1.45481

The conceptual design stage is necessary because it is considered as a fundamental input in decision making for maximizing the performance of a building. On the other hand, to maximize the performance of the building, there are many things that need to be considered. Therefore, an estimation of the optimum dimensions and the reinforcement ratios of beam and column was carried out at the conceptual design stage using the artificial neural network (ANN). ANN is a network based method that allows to get an accurate approach even with the limited information provided. This study aims to help engineers shorten the time for trial at the conceptual design stage. A total of 36 building variations modelling were prepared as the training data for the set up ANN model. Eight parameters used which consist of earthquake accelarations, soil sites class, joint types, beam spans, number of storey, high of storey, concrete strengths and diameters of the reinforcement. There are 16 empirical formulas for estimating the optimum dimensions and the reinforcement ratios of beam and column. The results showed that the dimensional regression values and the reinforcement ratio were 98.53% and 96.06% respectively. This value indicates that ANN can estimate well.

Co-Authors Ahmad Rifa`i Ali Awaludin Almulianur Almulianur Angga Fajar Setiawan Annisa Azhar Firdausi Arief Setiawan Budi Nugroho Arif Setiawan Budi Nugroho Ashar Saputra Baehaki Baehaki Baehaki _ Bambang Agus Kironoto Bambang Suhendro Bambang Suhendro Brigitta Petra Kartika Narindri Danang Parikesit Djoko Sulistyo Djoko Sulistyo Henricus Priyosulistyo, Henricus K. T. N. Gherry Kinanti Faradiba Harahap Kinanti Faradiba Harahap KMS. M. Rama Perwira M. Fauzi Darmawan Maulana Agung Sedayu Muslikh Muslikh Ni Nyoman Nepi Marleni Nurul Alvia Istiqomah Panji Ginaya Taufik Panji Krisna Wardana Rachmad Jayadi Raka Bagus Panuntun Ratih Dewanti restu faizah Risang Aji Dananjoyo Suprapto Siswosukarto Suprapto Siswosukarto Taufik, Panji Ginaya Toriq arif ghuzdewan Triyoso, Christopher Y. A. Adhitama

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