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All Journal Jurnal Teknik Sipil dan Perencanaan JURNAL PHOTON Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI) Prosiding Seminar Nasional Teknik Sipil UMS Journal of Electronics Technology Exploration (JOeTEx)
Huda, Amirul
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Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Nursing Physics Other

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Experiment of Pullout Expansion Anchor in Installation Cast in Place and Post Installed with Concrete Breakout Failure Huda, Amirul; Apriyatno, Henry
Jurnal Teknik Sipil dan Perencanaan Vol 23, No 1 (2021): Jurnal Teknik Sipil dan Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v23i1.26246

Abstract

Abstract: The use of anchors in construction is gaining popularity to connect steel and concrete constructions, and to transmit tensile loads acting onto the concrete. This research aims to find out the difference in the strength of anchor based on two methods of installations that are cast in place compared to post installed with the influence of effective depth, diameter of anchor and quality of concrete, and failure of concrete breakout. Expansion anchor used in this study is "Sanko" M12x100 and ready-mix concrete PT Bonindo Ungaran, fc 25 MPa with 6 pieces of test specimens of 300x300x150 mm. Each specimen has 4 anchors with a distance between the anchors of 100 cm, the distance between the anchors to the edge of the concrete 100 mm, and the depth of installation (hef) of 60 mm. The result of the study is the predicted value of the anchor pullout capacity with the failure of concrete breakout due to the theoretical pullout, namely 42,223 N, anchor pullout test results with cast in place method of 40,574 N and post installed method by 37,494 N. Tensile strength tests (material) of anchor (fy) 338 MPa, for flat concrete compressive strength strength of (f’c) 25,698 MPa. The results of the cast in place pullout test are larger and better than post installed (40574 N>37494 N). Failure that occurred in cast in place method is a failure of concrete breakout and post installed method has occurred slip. Failures that occur are relevant to the theory.
Experiment of Pullout Expansion Anchor in Installation Cast in Place and Post Installed with Concrete Breakout Failure Huda, Amirul; Apriyatno, Henry
Jurnal Teknik Sipil dan Perencanaan Vol 23, No 1 (2021)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v23i1.26246

Abstract

Abstract: The use of anchors in construction is gaining popularity to connect steel and concrete constructions, and to transmit tensile loads acting onto the concrete. This research aims to find out the difference in the strength of anchor based on two methods of installations that are cast in place compared to post installed with the influence of effective depth, diameter of anchor and quality of concrete, and failure of concrete breakout. Expansion anchor used in this study is "Sanko" M12x100 and ready-mix concrete PT Bonindo Ungaran, fc 25 MPa with 6 pieces of test specimens of 300x300x150 mm. Each specimen has 4 anchors with a distance between the anchors of 100 cm, the distance between the anchors to the edge of the concrete 100 mm, and the depth of installation (hef) of 60 mm. The result of the study is the predicted value of the anchor pullout capacity with the failure of concrete breakout due to the theoretical pullout, namely 42,223 N, anchor pullout test results with cast in place method of 40,574 N and post installed method by 37,494 N. Tensile strength tests (material) of anchor (fy) 338 MPa, for flat concrete compressive strength strength of (f’c) 25,698 MPa. The results of the cast in place pullout test are larger and better than post installed (40574 N37494 N). Failure that occurred in cast in place method is a failure of concrete breakout and post installed method has occurred slip. Failures that occur are relevant to the theory.
The Design and Construction of A Dynamic Multi-Sensor and Multi-Storage Data Logger for Weather Parameters Wahyuni, Retno Tri; Subagiyo, Heri; Huda, Amirul
Photon: Jurnal Sain dan Kesehatan Vol. 14 No. 1 (2023): Jurnal Photon
Publisher : LPPM Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jp.v14i1.6278

Abstract

The Data Logger is an electronic device designed to automatically and continuously store data. Data loggers are widely used in various fields, including the storage of weather parameter data. Generally, a data logger consists of sensor devices, a processor, and storage media. This paper discusses the design of a dynamic data logger that allows the selection of sensor input types and storage media such as an SD card or a cloud database. The data logger comprises hardware devices, including five weather parameter sensors, a processor and a communication module using ESP32, a timing system using RTC, and local storage media in the form of an SD card. Additionally, there is a computer-based user interface built using Visual Basic. The connection between the user interface application and the data logger hardware is established using serial communication. Overall system testing results indicate that all features of the data logger system have operated well.
Analisis Kemampuan Numerasi Peserta Didik pada Materi Fungsi Berdasarkan Hasil Asesmen Diagnostik di SMP Negeri 6 Semarang Huda, Amirul; Purwosetiyono, FX. Didik; Purwanto, Purwanto; Rahmawati, Noviana Dini
Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI) Vol. 4 No. 2 (2024): Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI), 2024 (2)
Publisher : Yayasan Pendidikan Bima Berilmu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53299/jppi.v4i2.491

Abstract

Matematika sebagai suatu disiplin ilmu merupakan alat untuk berpikir, berkomunikasi, dan memecahkan berbagai masalah praktis. Peserta didik dengan tingkat pemahaman matematika yang baik dapat menuntun peserta didik mempunyai kemampuan numerasi yang baik pula. Kemampuan literasi numerasi adalah kemampuan menerapkan konsep bilangan dan kemampuan berhitung yang ada dalam kehidupan dunia nyata. Saat ini masih sedikit yang bisa memanfaatkan kemampuan literasi numerasi dan hal tersebut menjadi penyebab matematika dianggap mata pelajaran yang sulit bagi peserta didik. Ketika proses belajar mengajar, guru dapat mengidentifikasi kemampuan awal peserta didik menggunakan asesmen diagnostik. Salah satunya adalah asesmen diagnostik kognitif untuk melihat kemampuan awal peserta didik dari aspek kognitif. Asesmen ini dilakukan pada awal pembelajaran yang hasilnya dapat digunakan guru sebagai pertimbangan dalam merancang kegiatan pembelajaran sesuai kebutuhan peserta didik. Penelitian ini dilakukan di SMP Negeri 6 Semarang dengan subjek penelitian kelas VIII menggunakan penelitian kualitatif deskriptif yang berfokus untuk mendeskripsikan bagaimana kemampuan numerasi pada peserta didik dengan tingkat kognitif tinggi, sedang dan rendah materi relasi dan fungsi. Teknik pengumpulan data dengan observasi, test dan wawancara. Instrumen penelitian yang digunakan adalah soal asesmen diagnostik kognitif, soal test yang dapat memunculkan kemampuan numerasi dan panduan wawancara. Kemudian teknik analisis yang digunakan adalah reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menyatakan kemampuan numerasi yang berbeda-beda pada tiga subjek penelitian. Peserta didik dengan tingkat kognitif tinggi telah menguasai seluruh indikator kemampuan numerasi. Peserta didik dengan tingkat kognitif sedang memenuhi dua indikator kemampuan numerasi. Selanjutnya peserta didik dengan tingkat kognitif rendah tidak memenuhi seluruh indikator kemampuan numerasi.
Eksperimen Tarik Angkur Tipe Ekspansi secara Cast in Place dan Post Installed dengan Keggalan Breakout Concret Huda, Amirul; Apriyatno, Henry
Prosiding Seminar Nasional Teknik Sipil UMS 2020: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1310.914 KB)

Abstract

Penggunaan angkur dalam konstruksi semakin populer untuk menghubungkan konstruksi baja dan beton yang menyalurkan beban tarik yang bekerja ke beton. Penelitian bertujuan untuk mengetahui perbedaan kekuatan angkur berdasarkan metode pemasangan yakni secara cast in place dibandingkan post-installed melalui pengujian kuat tarik angkur terhadap beton dengan kegagalan breakout concrete. Angkur tipe ekspansi merk “Sanko” M12x100 (hef: 60 mm, diameter 12 mm, panjang 100 mm) dan beton ready mix fc 25 MPa. Dalam pengujian tarik angkur terhadap beton baik pemasangan angkur secara cast in place dan post installed, masing-masing metode pemasangan menggunakan 3 benda uji dengan dimensi 300x300x150 mm. Setiap benda uji terpasang 4 angkur. Hasil pengujian dan hitungan teoritis ditujukkan dengan kegagalan breakout concrete (jebol beton) akibat tarik, dimana perilaku jebolnya beton disekitar angkur, dengan kekuatan maksimum rata-rata sebesar 40506,67 N untuk pemasangan cast in place dan 38187,33 N untuk pemasangan angkur secara post installed. Kuat tekan beton rata-rata sebesar 25,2 MPa. Kuat tarik (bahan) angkur rata-rata sebesar 338 MPa.
Automated Printed Circuit Board Inspection System using NI Vision Builder and NI MyRio Wijaya, Yusmar Palapa; Swinarno, Imam; Prabowo, Bambang; Subagiyo, Heri; Huda, Amirul; Syahbana, Dodi
Journal of Electronics Technology Exploration Vol. 2 No. 2 (2024): December 2024
Publisher : SHM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52465/joetex.v2i2.511

Abstract

To improve flaw identification in contemporary electronics manufacturing, this study introduces an automated printed circuit board (PCB) inspection system that integrates NI Vision Builder with NI MyRIO. The device effectively detects flaws like missing parts, open circuits, and over-etched traces by utilizing a high-resolution camera and sophisticated methods including color plane extraction and pattern matching. Real-time visualization, classification, and automated data recording are made possible via a LabVIEW-based interface, which makes the inspection process easy to use. A 92% accuracy rate was attained during testing on both bare PCBs and PCB assemblies, indicating better performance than conventional techniques. Although multi-layer and subsurface defect detection still presents difficulties, the system provides a scalable and affordable solution with the possibility to incorporate machine learning and sophisticated imaging in the future for increased adaptability.
Co-Authors FX. Didik Purwosetiyono Henry Apriyatno Noviana Dini Rahmawati, Noviana Dini Prabowo, Bambang Purwanto Purwanto Subagiyo, Heri Swinarno, Imam Syahbana, Dodi Wahyuni, Retno Tri Yusmar Palapa Wijaya, Yusmar Palapa