Studi Eksperimental tentang Pengaruh Dinding Bata Merah Terhadap Ketahanan Lateral Struktur Beton Bertulang

Jafril Tanjung, Maidiawati Maidiawati

Abstract


Abstrak. Bata merah umum digunakan sebagai dinding pada struktur bangunan beton bertulang di negara berkembang dan rawan bencana gempa bumi seperti Indonesia. Dalam proses prencanaan, dinding bata merah biasanya diperlakukan sebagai komponen non-struktur, dimana interkasi antara dinding dan struktur beton bertulang diabaikan. Fakta hasil observasi lapangan pasca bencana gempa bumi Sumatera Barat menunjukkan bahwa dinding bata merah dapat membantu mengurangi kerentanan struktur beton bertulang yang dikenai beban lateral. Dalam makalah ini, hasil serangkaian pengujian laboratorium struktur portal beton bertulang akan dibahas untuk menentukan pengaruh dinding bata merah terhadap ketahanan lateral struktur beton bertulang. Hasil pengujian menunjukkan bahwa dinding bata mempunyai pengaruh yang signifikan terhadap ketahanan lateral struktur beton bertulang. Peningkatan ketahanan lateral juga diperoleh dengan penggunaan ukuran bata merah yang lebih besar dan penggunaan plesteran pada kedua sisi dinding.

Abstract. Reinforced-Concrete (R/C) frame structures with unreinforced clay brick masonry (URM) infill walls are commonly used in developing countries with regions of high seismicity. The walls are usually treated as non-structural components, and their interaction with the bounding frames is often ignored in designing process. Field evidences after West Sumatera earthquake have shown that URM infill walls can help reduce the vulnerability of the R/C frame structures against lateral load. In the present paper, it is an attempt to highlight the series laboratory experimental results of the R/C frame structures with URM infill walls. Results of the experimental studies which have indicated URM infill walls can have a significant influence on the lateral resistance of the R/C frame structures. Increasing the lateral resistance is also observed on the R/C frame structures uses larger size of the clay brick masonry and uses mortar on the infill walls’ surfaces.

Keywords


Rekayasa gempa; Beton bertulang; Dinding bata masonri; Ketahanan lateral.

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References


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DOI: http://dx.doi.org/10.5614%2Fjts.2016.23.2.2

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