ANALISA STRUKTUR ATAS GEDUNG UNIVERSITAS DENGAN PENAMBAHAN SHEAR WALL (STUDI KASUS: UNIVERSITAS PEMBANGUNAN JAYA)

HARTONO, RINTO (2020) ANALISA STRUKTUR ATAS GEDUNG UNIVERSITAS DENGAN PENAMBAHAN SHEAR WALL (STUDI KASUS: UNIVERSITAS PEMBANGUNAN JAYA). S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

This final project aims to analyze the 10 storey university building by adding a shear wall as a buffer against earthquake loads. The system used is the Special Moment Resistant Frame System (SRPMK) and the Special Structural Wall System (SDSK) located in South Tangerang with moderate soil conditions. Analysis is also carried out to compare the behavior of the structure between the open frame structure with the dual system structure. From the results of the analysis conducted, it was found that after the open frame structure was added to the shear wall it caused the structure to become more rigid, this was seen after checking the intersection between floors and checking the P-delta. On checking the intersection between floors the structure of the open frame X direction occurs inter-floor deviation that exceeds the permit deviation on floors 3, 4, 5, & 6. In the Y direction there is an inter-floor deviation on the 5th floor. While in the dual system structure there is no inter-floor deviation which exceeds the deviation of permits. In checking the P-delta structure of the open frame in the direction of X & Y, the Pdelta effect occurs on floors 1 & 2. In the dual system structure, there is no P-delta effect on all storey. In checking the contribution of the frame to bear a minimum of 25% earthquake force, the higher the building the contribution of the frame to bear the burden of the earthquake will be even greater, while the higher the shear wall the building the smaller the burden of bearing the earthquake. Keywords: Structure analysis, shear wall, open frame, dual system, P-delta. Tugas akhir ini bertujuan untuk menganalisa bangunan universitas 10 lantai dengan menambahkan shear wall sebagai penahan beban gempa. Sistem yang digunakan adalah Sistem Rangka Pemikul Momen Khusus (SRPMK) dan Sistem Dinding Struktural Khusus (SDSK) yang berlokasi di Tangerang Selatan dengan kondisi tanah sedang. Analisa yang dilakukan juga untuk membandingan perilaku struktur antara struktur open frame dengan struktur dual system. Dari hasil analisa yang dilakukan, didapatkan bahwa setelah struktur open frame ditambahkan dengan shear wall menyebabkan struktur bertambah kaku, hal ini terlihat setelah dilakukan pengecekan simpangan antar lantai dan pengecekan P-delta. Pada pengecekan simpangan antar lantai struktur open frame arah X terjadi simpangan antar lantai yang melebihi simpangan izin di lantai 3, 4, 5, & 6. Pada arah Y terjadi simpangan antar lantai di lantai 5. Sedangkan pada struktur dual system tidak terjadi simpangan antar lantai yang melebihi simpangan izin. Pada pengecekan P-delta struktur open frame arah X & Y terjadi efek P-delta di lantai 1 & 2. Sedangkan pada struktur dual system tidak terjadi efek P-delta di semua lantai. Pada pengecekan kontribusi frame memikul minimal 25% gaya gempa, semakin tinggi bangunan maka kontribusi frame memikul beban gempa akan semakin besar, sedangkan pada shear wall semakin tinggi bangunan maka semakin kecil memikul beban gempa. Kata kunci: Analisa struktur, shear wall, open frame, dual system, P-delta

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