Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/12956
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dc.contributor.advisor林 建 宏zh_TW
dc.contributor.advisorChien-Hung Linen_US
dc.contributor.author李豐勝zh_TW
dc.date2000zh_TW
dc.date.accessioned2014-06-06T06:50:04Z-
dc.date.available2014-06-06T06:50:04Z-
dc.identifier.urihttp://hdl.handle.net/11455/12956-
dc.description.abstract本研究主要在探討使用高拉力剪力筋之高性能混凝土梁受靜態載重作用下之撓曲行為。試驗共製作二十一支梁試體,其中七支為普通混凝土梁,另十四支為高性能混凝土梁。試體尺寸為240mm×360mm×3500mm。探討之變數包括混凝土強度、軸向鋼筋量、橫向鋼筋量、橫向筋強度等,期望對高性能混凝土梁使用高拉力剪力筋後之撓曲強度與延展性有所了解。試驗結果可歸納如下: 1. 高性能混凝土梁與普通混凝土梁之極限撓曲強度無明顯差異,且皆比ACI規範預估值高。 2. 拉力筋量為梁撓曲強度之主要影響因素,提高拉力筋量可提高混凝土梁之撓曲強度但其延展性卻會下降。增加壓力筋量、混凝土強度對梁之撓曲強度之助益不如拉力筋量明顯,但皆可增加梁之延展性。於低拉力筋量( )時,高性能混凝土梁之延展性較普通混凝土梁佳。 3. 試驗結果顯示,可以採用 以探討圍束效應對梁之延展性影響。箍筋之 愈高,梁之延展性愈佳。 4. 高性能混凝土梁之裂縫控制較普通混凝土梁佳。梁使用高拉力剪力筋對撓曲裂縫之控制,並不比使用傳統剪力筋差。zh_TW
dc.description.abstractThe purpose fo this study is to investigate the flexural behavior of high performance concrete beams with high strength shear reinforcement under static load. A total of twenty-one beam specimens were made in this study, seven were normal concrete beams and the rest were high performance concrete beams. The size of specimens was 240 mm 360 mm 3500 mm .The parameters included concrete strength, amount of longitudinal steel, amount of shear reinforcement and strength of transerverse reinforcement. The following conclusions can be made from the test results. 1. High performance concrete beams and normal concrete beams have similar strengths. The ultimate strengths predicted by ACI code are conservative . 2. Increase of tension reinforcement will increase the strength but decrease the ductility of the beams. Increase of the compression reinforcement and concrete strength will increase the ductility of the beams more effectively than the strength of the beams. When is less than , high performance concrete beams show better ductility than normal concrete beams. 3. Effect of confinement on ductility can be represented by . Increase of of shear reinforcement will increase the ductility. 4. High performance concrete beams have better crack control over normal concrete beams. Beams with high strength shear reinforcement exhibit the same crack control ability as normal concrete beams.en_US
dc.description.tableofcontents摘要 I Abstract II 目錄 III 表目錄 VI 圖目錄 ..VIII 照片目錄 XI 符號說明 .XII 第一章 緒論 .1 1-1 前言 .1 1-2 研究動機 .3 1-3 研究目的與方法 .4 第二章 文獻回顧 .6 2-1高性能混凝土之力學性質 .6 2-1-1 抗壓強度 .6 2-1-2 彈性模數 .6 2-1-3 應力-應變行為 .7 2-1-4 混凝土的極限應變值 .8 2-2鋼筋混凝土梁之延展性 .9 2-2-1 梁之構件延展性 .9 2-2-2 梁之斷面延展性 10 2-3 影響梁延展性知因素 12 2-3-1 拉力鋼筋量 12 2-3-2 壓力鋼筋量 12 2-3-3 箍筋間距 13 2-3-4 混凝土抗壓強度 14 2-3-5 箍筋降服強度 15 2-4混凝土受圍束之撓曲構件 15 第三章 試驗計畫及過程 18 3-1 試驗目的 18 3-2 試體規劃 18 3-3 試驗材料 21 3-4 試體製作 23 3-5 試驗設備 24 3-6 試體安裝 25 3-7 試驗過程 26 第四章 試驗結果與分析 27 4-1 混凝土新拌材料性質 27 4-2 梁撓曲破壞行為 27 4-3 梁之極限撓曲強度 30 4-4 梁構件之延展性 32 4-4-1 拉力筋含量與梁延展性 32 4-4-2 壓力鋼筋含量與延展性 34 4-4-3 混凝土強度與延展性 35 4-4-4 剪力筋強度與延展性 37 4-4-5 剪力筋間距與延展性 37 4-4-6 與延展性 39 4-4-7高性能混凝土梁之延展性與 及 之關係 40 4-5裂縫觀測 42 4-5-1 拉力筋量與裂縫寬度 44 4-5-2 混凝土強度與裂縫寬度 44 4-5-3 剪力筋間距與裂縫寬度 44 4-5-4 剪力筋強度與裂縫寬度 45 第五章 結論與建議 46 5-1 結論 46 參考文獻 49zh_TW
dc.language.isoen_USzh_TW
dc.publisher土木工程學系zh_TW
dc.subjectHigh Performance Concrete Beamsen_US
dc.subject高性能混凝土梁zh_TW
dc.subjectHigh Strength Reinforcementen_US
dc.subjectDuctilityen_US
dc.subject延展性zh_TW
dc.subject高拉力剪力筋zh_TW
dc.subject延展性zh_TW
dc.title高性能混凝土梁使用高拉力剪力筋後之延展性探討zh_TW
dc.titleDuctility of High Performance Concrete Beams with High Strength Shear Reinforncementen_US
dc.typeThesis and Dissertationzh_TW
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