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All Journal Jurnal Dimensi Pratama Teknik Sipil Civil Engineering Dimension
Pamuda Pudjisuryadi
Dosen Program Studi Teknik Sipil Universitas Kristen Petra Surabaya
Civil Engineering, Building, Construction & Architecture

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Application of Soil Structure Interaction on Building with Basement using Nonlinear Soil Springs Jesica, Anastasia; Pudjisuryadi, Pamuda; Rosidi, Dario
Civil Engineering Dimension Vol. 25 No. 1 (2023): MARCH 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.25.1.20-28

Abstract

In a typical building design, the interaction between building and surrounding soils is often ignored. Since soil is deformable and has limited capacity to resist loads, this interaction, called soil-structure interaction (SSI), could alter building responses, especially during earthquake loadings for buildings with significant basement depths. In this study, a 10-story reinforced concrete building with 3-level basement was used to evaluate the effects of SSI on building during earthquakes. Dynamic time response analyses were performed using earthquake time histories scaled to a design response spectrum for a Surabaya, Indonesia, location. Soil responses during earthquakes were modeled using nonlinear hysteresis normal and elastic-perfectly plastic frictional soil springs, developed using the hardening soil with small strain stiffness model. Depth-varying ground motions were also applied along the basement depth. The results show inconclusive SSI effects, where some of the time histories produce greater base shears and inter-story drifts when SSI is considered, while others show the opposite results.
Seismic Responses of Concrete Building Subjected to Out-of-phase Ground Motions Karyanto, Yohanes; Rosidi, Dario; Pudjisuryadi, Pamuda
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.25.2.96-105

Abstract

Seismic performance of a building is commonly evaluated by applying same design ground motions at each building foundation. However, local soil conditions beneath a building likely vary, and these variations could result in out-of-phased design ground motions at each of the foundation locations. In this study, building’s responses during earthquakes were analyzed and compared using same and out-of-phase ground motions. The building is 10-story, 90m-wide, reinforced concrete structure supported on isolated footings with tie beams. Dynamic time response analyses were performed using five earthquake records which were scaled to a design response spectrum for a location in Surabaya. Seismic modification factor, R, of 8 was used. The results indicate that the use of out-of-phase ground motions does not have significant impacts on building inter-story drifts; it results, however in significantly higher column base shears and tie beam axial forces compared to those calculated using same ground motions.
Experimental Study of Bond Strength of Embedded Steel Reinforcement in Vibration-Based 3D Printed Concrete Mortar Chandra, Jimmy; Halim, Alvin; Budiman, Franky; Pudjisuryadi, Pamuda; Antoni, Antoni
Civil Engineering Dimension Vol. 26 No. 2 (2024): SEPTEMBER 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.26.2.130-137

Abstract

Many new construction techniques have been developed in recent years, one of them is Three-Dimensional Concrete Printing (3DCP). It offers many advantages such as reduced human error, minimum manpower usage, and shorter construction period. This technique, however, still needs to be studied further to ensure good quality of constructions. This experimental study aims to investigate the bond strength of embedded steel reinforcement in vibration-based 3DCP mortar. The parameters varied are reinforcement diameter and direction of printing. It is found that average bond stress decreases as reinforcement diameter increases. Furthermore, 3DCP specimens with bars placed parallel to the printing direction have relatively higher bond stresses as compared to the ones with bars placed perpendicularly. As compared to conventional cast specimens, 3DCP specimens have higher bond stresses which might be due to vibration-based 3DCP mortar. Moreover, building code formulas significantly underestimate the bond stresses of vibration-based 3DCP specimens tested in this study.
Co-Authors , Herryanto Albert Hansel, Albert Alex Jayanata, Alex Alvin Halim, Alvin Andre Halim, Andre Andrians Juniawan Andrianto Gunawan Angkasaputra, Kenny Antoni Antoni Aphrodita, C. Benjamin Lumantarna Billy Prawira Candra Budiman, Franky Chandra, Jimmy Charlie Wijaya Charly Wijaya Dario Rosidi Dicky Fredy Widjaja, Dicky Fredy Effendy Tanojo F.X. Eka Prasetyo Setiohadi Fransisca Wijaya Gogot Setiabudi, Gogot Ima Muljati Jesica, A. Jesica, Anastasia Kandiawan, Alexander Keith Karel Abraham Tantra, Karel Abraham Karyanto, Y. Karyanto, Yohanes Kevin Tjoanda Michael Andrian Michael Dharmawan Oetomo, S.I. Prasetyo, B.C. Prayogo, V.S. Ryan Wijaya, Ryan Sanjaya, Steven Sebastiano, Favian Stefanus Tanaya, Stefanus Stefany Marsilea Glorie Stephen Wibiatma Wijaya Tandelilin, Rikson Kurniawan Tanuwijaya, R. Theodora, M.K. Victor Luis Welly William Wijaya, F. Wijaya, Gunawan Budi Willy Sugiarto Chandra, Willy Sugiarto Wong Foek Tjong Yosua Christabel Zendy Sutanto, Zendy