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Journal : Journal of Infrastructure Planning and Engineering

Prestressed beam system due to the addition of a long-span beam in building infrastructure Debora Evlin; I Nengah Sinarta
Journal of Infrastructure Planning and Engineering Vol. 1 No. 1 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.1.2022.27-32

Abstract

Prestressed concrete is the perfect composite consisting of high-strength concrete and strands with reinforcement with high yield strength Prestressed concrete beam is one of the concrete innovations that have been used in many constructions. The advantage of prestressed concrete particularly using the post-tensioning method, in designing and applying prestressed concrete beam for the building is that the tensioning can be carried out in stages, for all tendons in a member, or some of them Prestressed concrete beam using post-tensioning method can be an alternative to increase the span of the building when removing the existing column in the center of the building is required. In this paper, the use of prestressed concrete beam will be designed in Nyitdah Hospital-Tabanan, Bali. The prestressed beam is designed with 60/90 cm dimension and 1 tendon unit with 12 strands unit. Based on the design and result, the prestressed beam can be used as the alternative to increase spans in a building room of the Nyitdah hospital.
Column structure strengthening with FRP (Fiber Reinforced Polymer) due to story addition I Wayan Maesa Andreasnata; I Nengah Sinarta; Ni Komang Armaeni; I. P. Ellsa Sarassantika; Dang Thanh Trung; Cintantya Budi Casita; Roro Sulaksitaningrum; Sudarno P. Tampubolon
Journal of Infrastructure Planning and Engineering Vol. 1 No. 1 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.1.2022.38-45

Abstract

This study focuses on strengthening scheme of an existing structure with added story. The addition of a new story increases gravitational loading, which affects the seismic and wind responses of the structure and, as a consequence, the loading combination. To ensure the structure’s capacity requirement, the strengthening scheme uses CFRP (Carbon Fiber Reinforced Polymer). In order to adequately define the structure's performance, a series of structural analyses were performed. The structure's state before and after story addition, subsequently the state after CFRP strengthening, were evaluated. It is demonstrated that the additional story to the structure causes an exceedance in internal forces; however, the strengthening with CFRP is sufficient to withstand these forces, proving that the strengthening scheme is effective and beneficial.
Composite structure in the Kutus-kutus factory building, Gianyar, Bali Ni Putu Indah Puspita Anggraeni; I Nengah Sinarta; I Putu Ellsa Sarassantika
Journal of Infrastructure Planning and Engineering Vol. 1 No. 2 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.2.2022.81-86

Abstract

This study focuses on the design implementation and performance analysis of concrete-steel composite structure of a four-story Kutus-Kutus Factory, a facility for the production of herbal oils, built in the seismically active Gianyar district of Bali. In order to create an efficient, fully composite cross section, the design process uses an analytical approach that emphasizes the relationship between the concrete slab and steel beams as well as the design of each of these components. The structure was designed and assessed in accordance with Indonesia Building Standard guidelines for minimum load, earthquake-resistant, and concrete and steel based material requirements. The final results of the design confirmed that the composite performance is strong enough to withstand enormous loads combined in industrial buildings, particularly in seismically active areas, and can operate within the recommended safety margins and restrictions. This paper ends with a call for more research on the real application of composite structure design in Indonesia, which can then assist the rapidly expanding Indonesian construction industry in maximizing the advantages of using composite construction techniques.
The design of the flat slab system with drop panel in the Sukawati market building Dewa Ngakan Made Dwiva Cahyana; I Nengah Sinarta; I Putu Ellsa Sarassantika
Journal of Infrastructure Planning and Engineering Vol. 1 No. 2 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.2.2022.75-80

Abstract

Sukawati Market Building has 4 floors and 1 basement with a total building area of 1136.16 m2. It was designed to use a flat slab structure system with the addition of drop panels that maintained the height or story clearance while reducing total building height by eliminating the interior beams. The structure was designed follow the Indonesian Standard for reinforced concrete building design guideline and assessed through finite element simulation. The shear capacity of the flat slab was determined by the strength of the concrete and its dimensions. The reinforcing bar of flat slabs with drop panels is determined in the same way as the reinforcing bar of concrete slabs. Based on the results, the design efficiently resists the forces demand while meeting the deflection requirement, reflecting the structure system's safety and serviceability. The structure system also maintains the total height of the building in order to comply with local high-limit regulation.
STUDY OF THE APPLICATION GREEN CONSTRUCTION IN TESTING THE FUNCTIONAL FEASIBILITY OF MAIN PRAJA OFFICE THE REGIONAL SECRETARIAT OF DENPASAR CITY I Gusti Agung Gede Jaya Adhiputra; I Nengah Sinarta; Ni Komang Ayu Agustini
Journal of Infrastructure Planning and Engineering Vol. 3 No. 1 (2024)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.3.1.2024.12-17

Abstract

The functional feasibility and green construction application in the retrofitting of the Praja Utama office building of the Denpasar City regional secretariat was investigated based on Indonesian regulations PUPR Ministerial Regulation No.21 of 2021 concerning Green Buildings and PP No. 16 of 2021 concerning building functional feasibility testing. Visual observations and structural analysis using SAP2000 software revealed significant damage to structural elements, compromising the building's safety and functionality. A retrofitting plan was developed using Fiber Reinforced Polymer (FRP) to strengthen and repair the damaged components. The green construction assessment showed a high level of compliance, with 12 out of 13 required categories fulfilled in the retrofitting process. The findings highlight the importance of regular structural assessments, timely retrofitting interventions, and the feasibility of incorporating sustainable practices in building rehabilitation projects. The successful application of FRP and green construction principles demonstrates the potential for restoring structural integrity while minimizing environmental impact. Future research could explore the broader application of these methods and develop standardized guidelines for functional feasibility assessments and green construction in retrofitting projects.
Co-Authors A.A Gede Sumanjaya Agus Kurniawan Agus Kurniawan Agus Kurniawan Agus Kurniawan Cahaya Putra, Putu Agus Adi Candrayana, Kadek Windy Cintantya Budi Casita Dang Thanh Trung Debora Evlin Dewa Ngakan Made Dwiva Cahyana Dharma, I Made Sotya Wira Diatmika, Pande Gede Bayu Guna Fajar Yudha Pratama Gede Suartana Gusti, I Gusti Putu Agung Giga Pasoepati Hartawan, I Made Nova I Gusti Agung Gede Jaya Adhiputra I Gusti Agung Gede Jaya Adhiputra I Gusti Agung Putu Eryani I Gusti Agung Putu Eryani I Gusti Agung Putu Eryani I Gusti Ngurah Agung Eka Arya, Tejadinata I Ketut Nudja S., I Ketut I Made Adi Bhaskara I Made Bagastia Pinandika I Made Indra Beratha I Made Kusuma Wiranata I Made Kusuma Wiranata I Made Kusuma Wiranata I Made Surya Kumara I Made Wahyu Pramana I Nengah Damara Putra I Nyoman Surayasa I Putu Ananda Indra Kusuma I Putu Ellsa Sarassantika I Putu Ellsa, Sarassantika I Wayan Ariyana Basoka I Wayan Gde Erick Triswandana I Wayan Gde Erick, Triswandana I Wayan Maesa Andreasnata I Wayan Widanan Ida Ayu Cri Vinantya Laksmi Ika Wahyuni Jose Manuel Maniquin Kadek AGus Mahabojana Kadek Windy Candrayana Komang Deddy Endra Prasandya Mandia, I Wayan Maria Imaculata Goran Mosa Maria Imaculata Goran Mosa Ni Ketut Natalia Wulansari Ni Ketut Natalia Wulansari Ni Komang Armaeni Ni Komang Ayu Agustini Ni Komang Ayu Agustini Ni Made Widya Pratiwi Ni Putu Indah Puspita Anggraeni Nugraha, Cokorda Gede Eka Nyoman Nuri Arthana Nyoman Parthin Indra, Maulana Putu Aryastana Putu Ellsa, Sarassantika PUTU IKA WAHYUNI Putu Ika Wahyuni Putu Ika, Wahyuni Rahadiani, Anak Agung Sagung Dewi Roro Sulaksitaningrum Sudarno P Tampubolon Sumanjaya, Anak Agung Gede Wayan Runa Wirasana, I Made Adi Wisnawa, I Putu Gede Dharma Yasa Bagiarta, I Ketut Yohanes Parlindungan Situmeang