Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/91030
標題: 含孔磚牆面外撓曲握裹強度探討
Out-of-Plane Flexural Bond Strength of Brick Walls with Holes
作者: 張祐荏
Yu-Zen Chang
關鍵字: Out-of-Plane Flexural Bond Strength of Brick Walls with Holes;含孔磚牆面外撓曲握裹強度探討
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摘要: 
本研究主要在探討國產不同含孔清水磚塊之橫縫撓曲握裹強度。試驗共灌製25組變數不同之試體,搭配不同磚塊種類、水泥砂漿配比、孔洞填漿與不填漿、插筋與不插筋。試驗結果交叉比較分析後,歸納如下:
1. 含孔磚孔洞填漿會增加橫縫撓曲握裹強度,最大為十孔磚試體增加約25%。砂漿與磚塊接觸面增加提高撓曲握裹強度。
2. 自充填砂漿水灰比(W/C)=0.6之橫縫撓曲握裹強度比自充填砂漿水灰比(W/C)=0.5降低約45%。自充填砂漿水灰比0.5之橫縫撓曲握裹強度較普通砂漿水灰比0.5增加約3%。
3. 含孔磚孔內插筋增加橫縫撓曲握裹強度700%~900%。
4. 磚柱抗壓強度約為清水磚抗壓強度之80%~100%,磚塊抗壓強度影響磚柱抗壓強度明顯。
5. 自充填砂漿W/C=0.5抗壓強度比W/C=0.6高21.5%。自充填砂漿水灰比0.5磚柱試體之抗壓強度較水灰比0.6之抗壓強度高約1%~2%,砂漿抗壓強度較不影響磚柱抗壓強度。
6. 孔洞填漿會降低磚柱抗壓強度,影響十孔磚柱抗壓強度最大,降低34%。磚柱也會因砂漿受壓而膨脹,造成砂漿撐開孔洞,磚柱抗壓強度降低。

The purpose of this research is to investigate the out-of-plane flexural bond strength of brick walls with holes. A total of two-hundred and ten specimens were made. The testing variables include different types of bricks, mortar water cement ratio(w/c), effect of grouting, and effect of reinforcing. The following results are observed.
1. Grouting will increase flexural bond strength of brick walls with holes. The maximum increase is approximately 25% for the ten-hole brick specimens.
2. The flexural bond strength of brick walls with self-compacting mortar with w/c of 0.6 is less than that of self-compacting mortar with w/c of 0.5 by 45%, approximately.
3. Reinforcing will increase the flexural bond strength up to 700%~900% .
4. Compressive strength of brick prism is approximately 80% to 100% of that of bricks. Compressive strength of brick significantly affects compressive strength of brick prism.
5. Compressive strength of self-compacting mortar with w/c of 0.5 is greater than that of self-compacting mortar with w/c of 0.6 by approximately 21.5%. Effect of w/c ratio on the compressive strength of brick prisms is not significant.
6. Grouting will reduce the compressive strength of brick prisms. For the ten-hole brick prisms, the reduction could be 34%.
URI: http://hdl.handle.net/11455/91030
其他識別: U0005-2811201416184025
Rights: 不同意授權瀏覽/列印電子全文服務
Appears in Collections:土木工程學系所

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