STUDI ANALITIKAL PERILAKU DAN KINERJA STRUKTUR RANGKA DINDING PENGISI DENGAN BUKAAN SENTRIS

  • I Putu Agus Putra Wirawan Teknik Sipil, Universitas Mahasaraswati, Denpasar, Bali
  • I Ketut Diartama Kubon Tubuh Teknik Sipil, Universitas Mahasaraswati, Denpasar, Bali
  • I Gede Gegiranang Wiryadi Teknik Sipil, Universitas Mahasaraswati, Denpasar, Bali
DOI: https://doi.org/10.22225/pd.11.1.4256.49-56
Kata Kunci: strat diagonal, sudut strat diagonal, struktur RDP berlubang, elemen shell, persamaan lebar strat

Abstrak

Penelitian ini bertujuan untuk memperoleh perbandingan struktur rangka terbuka (RT) dengan struktur rangka dinding pengisi (RDP) berlubang sentris dengan perkuatan di sekitar bukaan. Dilakukan validasi model terhadap hasil uji laboratorium. Selanjutnya dibuat model rangka sederhana untuk membuat persamaan lebar strat diagonal. RDP satu tingkat juga dibuat dengan rasio bukaan 10% hingga 60% dengan interval 10% dan sudut strat diagonal 33°, 39°, 45°, 51°. Dinding pengisi dibuat dengan memodel strat diagonal dan elemen shell. Setelah diperoleh rumus lebar strat, dilanjutkan dengan penerapan rumus pada pemodelan struktur rangka tiga tingkat dengan sudut strat diagonal bervariasi. Hasil yang diperoleh adalah pemodelan RDP dengan elemen shell dan strat diagonal dapat mengikuti hasil uji laboratorium. Dari analisa lebar strat diagonal dihasilkan rumus Wco = (d/4tanØ)·Cc, dengan d merupakan panjang diagonal; Cc merupakan koefisien kekakuan pasangan dinding (Cc = 1.2022r2-2.0953r+1.045); r merupakan rasio lubang dinding; Ø merupakan sudut diagonal. Penerapan rumus lebar strat memperlihatkan perilaku model strat berhimpitan dengan model elemen shell. Kekuatan struktur meningkat 57%-86% setelah dilakukan penambahan dinding. Selisih drift rasio memperlihatkan sudut strat diagonal berbanding terbalik dengan kekuatan struktur yang terjadi.

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Diterbitkan
2022-05-18
Terbitan
Vol 11 No 1 (2022)
Bagian
Articles

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