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ANALISIS KINERJA STRUKTUR ATAS BANGUNAN RTMC POLDA MALUKU MENGGUNAKAN METODE STATIC NON-LINEAR Markus, Leviona; Frans , Pieter Lourens; Hutubessy , Vector R. R
Journal Agregate Vol. 3 No. 1 (2024): Maret
Publisher : Jurusan Teknik Sipil

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Abstract

Ambon City is one of the cities in Moluccas which is also one of the earthquake-prone areas which is classified in earthquake zone 5. Several structural elements of the Moluccas Police RTMC building in the realization of fieldwork were not by the planning results. The research aimed to produce displacement values ​​and obtain the performance of the structural of the Maluku Regional Police RTMC building against earthquake forces after being analyzed by non-linear static analysis with the help of SAP2000 v.22. Research shows that the movement between floors is still safe because it does not exceed the drift limit of 30 mm where the largest displacement in the x direction occurs due to a dynamic earthquake (DX) on the roof floor, about 10.443 mm, and the largest displacement in the y direction occurs due to loads due to dynamic earthquakes (DY) on the roof floor about 28.514 mm. The performance evaluation for the XZ direction is still in a safe condition because the plastic hinge distribution scheme does not show structural members that pass the immediate occupancy (IO), and happen strong column weak beams occur if the loading step is enlarged, this is indicated by the absence of column elements that achieve IO performance. The performance of the YZ direction is still in a safe condition because the plastic hinge distribution scheme does not show that the structural members pass the IO performance and happen strong column weak beams occur when the loading step is increased.
ANALISIS KINERJA STRUKTUR ATAS BANGUNAN RTMC POLDA MALUKU MENGGUNAKAN METODE STATIC NON-LINEAR Markus, Leviona; Frans , Pieter Lourens; Hutubessy , Vector R. R
Journal Agregate Vol. 3 No. 1 (2024): Maret
Publisher : Jurusan Teknik Sipil

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Ambon City is one of the cities in Moluccas which is also one of the earthquake-prone areas which is classified in earthquake zone 5. Several structural elements of the Moluccas Police RTMC building in the realization of fieldwork were not by the planning results. The research aimed to produce displacement values ​​and obtain the performance of the structural of the Maluku Regional Police RTMC building against earthquake forces after being analyzed by non-linear static analysis with the help of SAP2000 v.22. Research shows that the movement between floors is still safe because it does not exceed the drift limit of 30 mm where the largest displacement in the x direction occurs due to a dynamic earthquake (DX) on the roof floor, about 10.443 mm, and the largest displacement in the y direction occurs due to loads due to dynamic earthquakes (DY) on the roof floor about 28.514 mm. The performance evaluation for the XZ direction is still in a safe condition because the plastic hinge distribution scheme does not show structural members that pass the immediate occupancy (IO), and happen strong column weak beams occur if the loading step is enlarged, this is indicated by the absence of column elements that achieve IO performance. The performance of the YZ direction is still in a safe condition because the plastic hinge distribution scheme does not show that the structural members pass the IO performance and happen strong column weak beams occur when the loading step is increased.
PERILAKU DEFLEKSI BALOK BETON TULANGAN SISTEM RANGKA DENGAN JARAK SPASI SEPERDUA TINGGI EFEKTIF BALOK Sahusilawane, Tonny; Frans , Pieter Lourens
JURNAL SIMETRIK Vol 12 No 1 (2022): Jurnal Simetrik (Sipil, Mesin, Listrik)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M) Politeknik Negeri Ambon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/js.v12i1.1066

Abstract

Penyelidikan defleksi telah dilakukan sebelum tahun 1970-an dan analisisnya memberikan batasan tegangan beton sekitar 45% dari kekuatan tekannya dan tegangan baja 50% dari kekuatan lelehnya pada balok beton bertulang. Pada umumnya balok beton bertulang menggunakan tulangan sengkang dipasang secara tegak lurus terhadap sumbu balok guna menahan kekuatan gaya geser. Perubahan geometrik tulangan sistem rangka dapat meningkatkan kekuatan geser dan kekuatan lentur serta mengurangi besarnya defleksi pada balok. Oleh pengamatan penulis, bagaimana perilaku defleksi balok beton dengan mengubah konfigurasi tulangan geser vertikal menjadi tulangan miring. Pada penelitian ini bertujuan untuk menganalisis perilaku defleksi balok beton tulangan sistem rangka dengan jarak spasi seperdua dari tinggi efektif balok. Penelitian ini merupakan penelitian ekeperimental laboratorium dengan rancangan benda uji sebanyak enam benda uji yang terdiri dari tiga balok normal (BN) sebagai balok variabel kontrol dan tiga balok tulangan sistem rangka dengan jarak spasi 0,50d (BTR50) sebagai variabel bebas. Data dianalisis dengan menggunakan metode kekuatan (strength design method). Hasil penelitian menunjukan bahwa perilaku defleksi balok beton tulangan sistem rangka dengan jarak spasi seperdua dari tinggi efektif balok (BTR50) mempunyai kemampuan layan (serviceability) lebih baik dan meningkatkan kapasitas lentur balok Mu hingga 7,47% serta dapat mengurangi besar lendutan dari balok BN.