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ANALISIS PERILAKU KEKAKUAN LANTAI STRUKTUR GEDUNG HOTEL ZEST AMBON MENGGUNAKAN METODE RESPONS SPEKTRUM Latumeten, Victor C. M; Frans, Pieter Lourens; Hutubessy, Vector R. R.
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1372

Abstract

Earthquakes that occur can sometimes affect the structure of the building. This research was conducted to determine the effect of the earthquake on the building of the Zest Ambon hotel building which was newly build in 2018. This study aims to analyze the behavior of floor stiffness in Zest Hotel Ambon building, resulting in a large displacement value in Zest Hotel Ambon building. Data collected in this present strudy is primary data in the form of a map of the building layout, secondary data in the form of structural drawings of the zest hotel buildings. Analysis of floor stiffness and displacement of zest hotel ambon building using ETABS (Extended three analysis building systems) software with dynamic load response spectrum based on the soil site class SNI-03-1726-2019.The result of analysis showed that the deviation value between floor is still within permit limit determined by SNI-03-1726-2019and the largest amount of displacement value found on 11th floor with an X direction of 21,6 mm and a Y direction of 21,7mm where higher the floor level in the building, the greater the displacement value.
OPTIMALISASI STRUKTUR RANGKA BATANG JEMBATAN WAY MAMUA KABUPATEN MALUKU TENGAH Aloon, Pedro; Frans, Pieter Lourens; Lewakabessy, Godfried
Journal Agregate Vol. 2 No. 2 (2023): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v2i2.1376

Abstract

The truss structure of the bridge is formed from several arrangement of rod elements which are connected by joint joints at the point of connection. The actual conditions in the field on the main frame structure of the Way Mamua bridge, Leihitu District, Central Maluku Regency, have dimensions of the steel cross-section that are quite large and not optimal, so that in this present study aims to analyze the rod forces of the Way Mamua Bridge structure and optimize the cross-sectional dimensions of the Way Mamua Bridge trunk frame. The methods used in this study are the ritter and cremona methods, as well as cross-sectional optimization simulations using the help of the SAP2000 program. Loading Standards for Bridges based on SNI 1725:2016 and Steel Structure Planning Standards for Bridges are used by SK regulations. SNI T-03-2005. Based on the results analysis of the rod forces of the Way Mamua Bridge structure, a minimum bar force was obtained for the upper horizontal bar, the lower horizontal bar and the diagonal bar totaling 2 bars. The maximum bar force for the upper horizontal bar is 1 bar, while the lower horizontal bar and diagonal bar are 2 bars with accepted forces namely compressive and tensile forces. The optimization results obtained an increase in the percentage of cross-sectional dimensions to the cross-sectional area for the upper horizontal bar by 2%, the lower horizontal bar and diagonal bar experienced a percentage reduction of 64% and 54% of the cross-sectional dimensions under actual conditions in the field. From the optimization results, the voltage ratio is not > 1 so that it can be concluded that the bridge bar truss structure is still in safe condition.
TINJAUAN FONDASI TIANG PANCANG PADA BANGUNAN RTMC POLDA MALUKU Lestaluhu, Apriyanti; Frans, Pieter Lourens; Titaley, Henriette Dorothy
Journal Agregate Vol. 3 No. 1 (2024): Maret
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i1.1993

Abstract

The foundation of the RTMC Polda Maluku building has changed in the length of the piles used during implementation that is not in accordance with the plan, raising the question of whether the pile foundation with its carrying capacity is able to accept the load working on it. The purpose of this study is to obtain the results of calculating the carrying capacity and lowering of pile foundations in the RTMC building of the Maluku Regional Police using the Meyerhoff method based on Sondir test result data, SPT and laboratory test result data. This study shows that the calculation of the ultimate carrying capacity obtained the ultimate carrying capacity value of single piles from sondir data of 305.6 tons, and SPT data of 595.2 tons and laboratory data of 150.88 tons. This shows that the largest carrying capacity results are based on SPT data, then followed by sondir data and the smallest is the carrying capacity based on laboratory data results. The calculation of the decline in the pile foundation with the number of 2 piles shows a single decrease of 0.0062 m and a decrease in the pile group of 0.015 m and the result of the decline in the pile foundation with a total of 3 piles shows a single decrease of 0.0063 m and a decrease in the group of 0.015 m. This shows that the decrease in the foundation of 2 poles and 3 poles is smaller than the allowable decrease of 0.15 m so that the decrease is declared safe.
ANALISIS KINERJA STRUKTUR GEDUNG BERTINGKAT DENGAN MENGGUNAKAN METODE STATIC NON-LINEAR (STUDI KASUS : GEDUNG DPRD KABUPATEN MALUKU TENGAH) Pattiwael, Krisselto; Frans, Pieter Lourens; Hutubessy, Vector R. R.
Journal Agregate Vol. 3 No. 2 (2024): September
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/ja.v3i2.2115

Abstract

Central Maluku Regency is an area prone to earthquakes because it is included in one of the 5th earthquake zone areas in Indonesia, so it is very necessary to analyze the performance of structures against earthquakes. The purpose of this research is to produce the displacement value between floors in the upper structure of the Central Maluku Regency DPRD Building and obtain the performance of the upper structure of the Central Maluku Regency DPRD Building with non-linear static analysis with the help of the SAP2000 v.22 program. This research shows several conclusions.  The displacement value between plants due to the largest X-direction earthquake load is 21.19 mm, and the largest Y-direction displacement is 20.73 mm. Evaluation of structural performance The results of the X-direction review capacity curve show that the building is included in the IO condition, while the Y-direction review provides an overview of the behavior of the structure experiencing elastic, in-elastic conditions and then experiencing collapse shown by the curve with a decrease. In the Y direction, the building is included in the IO condition. The design concept of a strong column weak beam is fulfilled, this is because, in the structural elements of the building, the beam experiences plastic conditions earlier than the column.