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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 Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Transportation

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Journal : Civil Engineering Dimension

 1 
A REGIONAL REFINEMENT FOR FINITE ELEMENT MESH DESIGN USING COLLAPSIBLE ELEMENT Priyo Suprobo; Tavio Tavio
Civil Engineering Dimension Vol. 2 No. 2 (2000): SEPTEMBER 2000
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (497.119 KB) | DOI: 10.9744/ced.2.2.pp. 83-91

Abstract

A practical algorithm for automated mesh design in finite element analysis is developed. A regional mixed mesh improvement procedure is introduced. The error control%2C algorithm implementation%2C code development%2C and the solution accuracy are discussed. Numerical example includes automated mesh designs for plane elastic media with singularities. The efficiency of the procedure is demonstrated. Abstract in Bahasa Indonesia : regional+refinement%2C+mesh+generation%2C+isoparametric+element%2C+collapsible+element
Nonlinear Analysis of Reinforced Geopolymer Concrete Beams Karen Chong; Benny Suryanto; Asdam Tambusay; Priyo Suprobo
Civil Engineering Dimension Vol. 24 No. 1 (2022): MARCH 2022
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1012.475 KB) | DOI: 10.9744/ced.24.1.1-10

Abstract

To decarbonise the current construction sector and meet the global net-zero target, there is a pressing need to develop an environmentally friendly alternative to Portland cement concrete. Alkali activated and geopolymer concrete have much to offer in this regard. At present, however, there is limited study on the behaviours of alkali activated structural members, particularly on flexural members, which encompass most practical design situations. This paper presents a database of 37 tests on slender alkali activated and geopolymer concrete beams available in the literature, with the aim to investigate the flexural strengths of this alternative concrete when used as a structural member. In addition, the results of nonlinear finite element analyses on fourteen reinforced geopolymer concrete beams are presented to highlight key influencing factors governing the behaviour and failure of flexural members. Of particular interest is to study the influence of reinforcement ratio, compressive strength, and material brittleness on the overall strength and ductility. Overall, it is shown that the flexural response of geopolymer concrete beams under short-term loading is comparable to that of ordinary reinforced concrete beams.
Digital Image Correlation for Cement-based Materials and Structural Concrete Testing Asdam Tambusay; Benny Suryanto; Priyo Suprobo
Civil Engineering Dimension Vol. 22 No. 1 (2020): MARCH 2020
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1103.664 KB) | DOI: 10.9744/ced.22.1.6-12

Abstract

This paper presents the application of a low-cost digital image correlation (DIC) system for automated crack mapping. The system employed makes use of a conventional digital camera, a remote image recording controller, and an open-source digital image correlation MATLAB software Ncorr. To showcase the potential of the proposed system, two case studies involving general structural and material testing were undertaken. In the first series, the DIC system was used to study the fracture processes in a reinforced concrete beam and to investigate the influence of key input parameters on the spatial quality of strain maps obtained from the DIC analysis. In the second series, the application of the DIC method was expanded to assist in the study of complex multiple micro-crack formations in ductile cement composite testing. It is shown that the strain maps obtained from the DIC technique have a close resemblance to the actual crack patterns
Modelling of Shear-critical, Lightly Reinforced Concrete T-beams with Externally Bonded CFRP using ATENA Science Fillbert Hanselly Njoko; Asdam Tambusay; Andrew Jamieson; Benny Suryanto; Priyo Suprobo
Civil Engineering Dimension Vol. 25 No. 2 (2023): SEPTEMBER 2023
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.25.2.67-77

Abstract

This paper presents the finite element modelling of shear-critical reinforced concrete beams strengthened with U-wrapped CFRP fabrics using ATENA. Fracture-plastic constitutive models, implemented in the context of smeared crack and crush-band approach, were employed to represent the nonlinear behaviours of concrete. CFRP U-wraps were modelled as smeared rein­forcement and bonded to the concrete surface using an interface element, considering appropriate bond properties. To this end, two large lightly reinforced concrete T-beams from tests undertaken by Brindley in 2018 were analysed and predictions of the load-deflection response and failure mode are presented to demonstrate the accuracy of the modelling. Moreover, parametric analyses were performed to assess the effectiveness of CFRP U-wraps for strengthening deteriorated members. It is shown that the response of the beams can be predicted accurately, capturing successfully the brittle shear failure mode observed experimentally. It is also shown that CFRP U-wraps are useful for reducing the brittleness of shear-critical beams.
Experimental Study of Two-way Half Slab Precast Concrete using Rextangular Rigid Connection Djoko Irawan; Ahmad Basshofi Habieb; Data Iranata; Priyo Suprobo; I Gusti Putu Raka
Civil Engineering Dimension Vol. 26 No. 1 (2024): MARCH 2024
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.26.1.63-70

Abstract

A half-slab precast concrete (HSPC) system with precast bottom layers and in-situ cast top layers has been widely applied in various constructions. It generally behaves as a one-way slab due to the absence of positive-flexural reinforcements in the perpendicular direction to the precast component. However, in some cases, the HSPC was also applied in a two-way slab system. Consequently, a particular design and treatment in the connection between precast members was required, so that the bending moment in two orthogonal directions could be accommodated. In the present study, an innovative rectangular rigid connection (RRC) in a two-way HSPC system was investigated through an experimental test. It was found that the RRC-HSPC presented only a 9.13% reduction of the load at the crack, a 16.44% reduction of the ultimate load, and a 6.06% increase of the deflection at the crack when compared to the monolithic one.
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