Project Information / 計畫資訊


計畫代碼NCREE-S2014086
主持人鍾立來
主持人(英)Lap-Loi Chung
單位國震中心
單位(英)NCREE
計畫名稱鋼筋混凝土開口剪力牆校舍補強之試驗研究
計畫名稱(英)Experimental Study on School Retrofit by Adding Reinforced Concrete Opening Shear Wall
計畫編號06103A1500
關鍵字校舍, 低矮型建築物, RC開口剪力牆, 補強
計畫啟始2014/1/1
計畫結束2014/12/31
摘要民國88年發生的912地震,反應出國中小校舍耐震能力普遍不足之問題,各方學者對此亦提出對應之補強工法,其中,剪力牆修復補強為一常見的補強方法,但有鑒於剪力牆補強之後難以與既有構架同時發揮強度,遂本中心參考後甲國中校舍德育樓之結構配置擬規劃一系列開口RC牆的補強試體來進行試驗研究,以探討開門或開窗的RC牆補強試體之耐震行為,為了能符合目前現有的校舍型式,本試驗研究規劃了兩種校舍常見的構架尺度,試體採單層單跨設計,柱淨高均為300 cm、柱淨跨度分別為300 cm及420 cm兩種形式。本試驗所規劃的開口RC牆試體,為考量校舍建築的實際使用情形,以採光通風佳的大面積開口為原則,此外試體開口位置皆為對稱配置,以利未來能建立一套有效且可靠的開口RC牆補強耐震評估方式及補強施工準則給工程師參考使用。 實驗結果顯示,大開口RC牆補強試體,可提昇約3.8倍的側向強度、提昇至少13倍的勁度;小開口RC牆補強試體,可提昇約6.8倍的側向強度、提昇至少34倍的勁度。且測試層間變位角可達2 %,表示開口鋼筋混凝土牆補強可直接應用在校舍等低矮型建築物上。而以校舍手冊三版所建議的評估方法以主軸,再加以修改過後的評估曲線均能保守的評估試驗結果。
摘要(英)Lots of elementary and secondary school buildings were damaged by the devastating 921 Chi-Chi earthquake, so scholars proposed methods for increasing the seismic performance of school buildings. The shear wall reinforcement method is very often be used in school retrofit. But after used shear wall retrofit, it is difficult with existing frame while paying strength. Consequently, National Center for Research on Earthquake Engineering (NCREE) is planning a series opening RC wall reinforcement specimen refer to the structure of Hou-Jia junior high school, to study the seismic behavior of opening door or window of RC wall reinforcement specimen. In order to comply with existing school type, this experimental study two kind of common frame span of school buildings. The specimen to adopt single-layer and single-span design, column clear height 300 cm, span between columns are 300 cm and 420 cm in two forms. The planned of opening RC wall specimens, considering the good lighting and ventilation for school building, a large area of the opening is considered the main principle. Also, the specimen is considered the symmetric configuration, in order to facilitate establish an effective and reliable seismic evaluation method of RC opening wall for engineers in future. Experimental results show that the large opening RC wall specimens can enhance the lateral strength of about 3.8 times, at least 13 times to enhance the stiffness; the opening RC wall specimens can enhance the lateral strength of about 6.8 times, at least 34 times to enhance the stiffness. All drift ratio of the specimens can up to 2%, it is mean the opening RC wall can applied directly to the low profile school building. The prediction curve is base on handbook third edition. After modification all prediction curve is conservative.

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Experiments / 實驗清單


實驗代號實驗名稱實驗名稱(英)地點設施實驗類型試體材料說明說明(英)
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FLD-11FLD-11FLD-11NCREEShaking table  RC  
FLD-31FLD-31FLD-31NCREEShaking table  RC  
FSFSFSNCREEShaking table  RC  
FSD-19FSD-19FSD-19NCREEShaking table  RC