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All Journal International Journal of Engineering Science and Technology Development (IJEST) Jurnal Teknik ITS IPTEK The Journal for Technology and Science International Conference on Engineering and Technology Development (ICETD) Journal of Engineering and Technological Sciences Journal of Civil Engineering Jurnal Teknik Sipil Civil Engineering Dimension Civil Engineering Journal Spektra: Jurnal Fisika dan Aplikasinya Journal of Infrastructure and Facility Asset Management Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Journal of Comprehensive Science Makara Journal of Technology Seminar Nasional Ilmu Terapan
Priyo Suprobo
Departemen Teknik Sipil FTSP-ITS
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Transportation

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Journal : IPTEK The Journal for Technology and Science

 1 
A study on Cold-formed Steel Frame Connection: A review Komara, Indra; Wahyuni, Endah; Suprobo, Priyo
IPTEK The Journal for Technology and Science Vol 28, No 3 (2017)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.443 KB) | DOI: 10.12962/j20882033.v28i3.3223

Abstract

This paper is aimed to review the current researches on Cold-formed steel (CFS) structures, particularly for screw connections, welded connections, bolted connections and adhesive connections. Connection presents as a major parameter of the important elements for CFS framing system in order to attain its structural stability. The performance of different CFS connections is well-discussed in order to capture the behaviour of each type of connection. Based on the review assessment, the results highlighted that all types of connections except adhesive connections have shown the proper behaviour that can trigger the change of any design codes. Otherwise, adhesive connection is given several advantages that leads a novelty in the construction technology. Hence it still has some gaps of knowledge that are needed to be filled with comprehensive future researches.
Investigation of Water Absorption for Concrete Using Supplementary Materials Gabriel Jose Posenti Ghewa; Priyo Suprobo; Djoko Irawan; Sutrisno Wahyuniarsih; Tambusay Asdam
IPTEK The Journal for Technology and Science Vol 31, No 3 (2020)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v31i3.5596

Abstract

Concrete’s durability is the key factor that affects the service life of the concrete structure. One factor that affects the durability properties of concrete is its pore structure, which can be investigated by analyzing the materials’ absorption rate. For the structures with direct contact with water, water absorption can change the pore structure’s behavior, affecting the durability of the conc in the long term rate. It is important to research to find the water absorption properties of concrete with different mixtures. This research investigates the rate of absorption of concrete by using fly ash and silica fume. Based on secondary absorption properties, the result shows that 15% fly ash in normal concrete increases the resistance to water penetration by 23%. The usage of 5% Silica Fume increases the resistance by 11.8%. The usage of 5% silica fume + 10% fly ash increases the resistance by 16.2%. It shows that the use of supplementary materials in concrete increases the resistance of water penetration. In this research, the usage of 15% fly ash as cement replacement shows the best result.
Co-Authors . Faimun Agoes Soehardjono Moesono Djojoatmodjo Agoes Soehardjono Moesono Djojoatmodjo, Agoes Soehardjono Moesono Agung Budipriyanto Ahmad Basshofi Habieb Akmilia Aswarini Andrew Jamieson Apriansyah Apriansyah Apsari, Auliagitta K. Arie Febry Arie Febry Ary Dwi Jatmiko Asdam Tambusay Asdam Tambusay Asdam Tambusay Asdam Tambusay Bambang Piscesa Basuki , Benny Suryanto Benny Suryanto Benny Suryanto Diana Suteja Djamaluddin, Rudy Djoko Irawan Djoko Irawan Dwi Mide Febriyan Endah Wahyuni Endah Wahyuni Fillbert Hanselly Njoko Gabriel Ghewa Gabriel Jose Posenti Ghewa Gambiro Soeprapto Harun Al Rasyid Heppy Kristijanto I Gusti Putu Raka I Gusti Putu Raka I Ketut Hartana Indra Komara, Indra Iranata, Data Irawan, Candra Irmawan, Mudji Karen Chong Krisnajana, Joshua F Lailatul Fitriyah Mansur, Moh Safii Muhammad Rifky Trisnawardhana Ni Putu Ary Yuliadewi Nugroho, Wahyu Ery Sambodho, Kriyo Shirleyana Shirleyana Siti Nur Rahmah Anwar, Siti Nur Rahmah Soegeng Soetedjo Suryanto, Benny Suswanto, Budi Sutrisno, Wahyuniarsih Tambusay, Asdam Tavio, Tavio Wahyuniarsih Sutrisno Warren Don Wijaya, Belinda Raquel Yuyun Tajunnisa