軸力及雙向彎矩作用下之鋼骨鋼筋混凝土柱耐震行為

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姓名

詹富傑(FU-CHIEH CHAN) 查詢紙本館藏

畢業系所

土木工程學系

論文名稱

軸力及雙向彎矩作用下之鋼骨鋼筋混凝土柱耐震行為
(Seismic behavior of steel reinforced concrete columns subjected to axial load and bi-axial bending)

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摘要(中)

摘要
本研究針對24根以H型鋼與RC所組成之鋼骨鋼筋混凝土實尺寸構材，探討其在軸力與雙向彎矩作用下之耐震行為，研究主要參數為斷面之不同鋼骨與全斷面之強度比及雙向彎矩大小。研究發現，由於弱軸方向受壓側由混凝土提供大部分的壓應力，弱軸方向的鋼骨貢獻較小，所以在RC部分之強度固定下，提高鋼骨與全斷面之強度比，構材受壓側混凝土壓應力將因之提高，使得混凝土提早碎裂，強度衰減越快。再者，因斷面弱軸之影響，導致構材在軸力與強弱軸雙向彎矩作用時，若增加鋼骨與全斷面之強度比，其變形能力與能量消散能力反因之降低。由試驗結果亦發現，為求得較佳之構材耐震行為，斷面強弱軸之強度比需適度調整，本研究建議其值為2.2至2.5。

摘要(英)

ABSTRACT
This study investigated the seismic performance of 24 composite columns composed of H-steel and reinforced concrete. Major parameters studied included the sectional strength ratios and the magnitudes of biaxial bending. It was found from test results that member performance was governed by the strength of reinforced concrete when they were loaded in the section’s weak axis. It was also observed that the performance of member with weak axis bending decreased when the section’s steel strength increased. Test results suggested that the strength ratio between the section’s strong and weak directions be adequately adjusted so that high member performance could be achieved. It is proposed in this study that the ratio be set to 2.2 and 2.5.

關鍵字(中)

★ 耐震行為
★ 雙向彎矩
★ 鋼骨鋼筋混凝土

關鍵字(英)

★ Steel Reinforced Concrete
★ Bi-axial Bending
★ Seismic Behavior

論文目次

目錄
目錄……………………………………………………………………Ⅰ
表目錄…………………………………………………………………Ⅳ
圖目錄…………………………………………………………………Ⅴ
照片目錄………………………………………………………………Ⅸ
第一章諸論………………………………………………………….1
1.1 前言…………………………………………………………1
1.2 動機與目的…………………………………………..……1
1.3 研究方向及內容…………………….……………………2
第二章文獻回顧………………...…….……………………………4
2.1 國內外相關研究……………………...…………………..4
第三章理論強度計算……………….…………………..………..10
3.1 國內外相關規範之理論……………….………………10
3.1.1 美國ACI規範相關規定………….………………..….10
3.1 2 美國AISC-LRFD相關規定…………………………...11
3.1.3 日本AIJ-SRC相關規定…………………………….....14
3.1.4 國內鋼骨鋼筋混凝土構造SRC設計規範與解說……19
3.2 破壞方程式及參數……………….…………………….20
第四章實驗規劃與試驗方法………...…………………………22
4.1 試驗受力型式之背景…………..………………………22
4.2 試體規劃與流程……………...…………………………22
4.2.1 試體規劃………………………………………...……22
4.2.2 實驗參數及編號說明……………...…………………23
4.3 試體製作………………...………………………..………24
4.4 實驗設備…………….……………………………………25
4.5 試驗方式與流程………...………………………………26
第五章試驗觀察與破壞模式……...……………………………27
5.1 試驗觀察……………………….…………………………27
5.1.1 弱軸方向承受單載之試體觀察…………………...…27
5.1.2 強軸方向承受反覆載重之試體觀察……………...…30
5.1.3 承受雙向彎矩大小之試體觀察…………………...…35
5.2 破壞模式……………….…………………………………44
5.2.1 SRC構件受弱軸單向彎矩之破壞模式…………...…44
5.2.2 SRC構件受軸力及強軸方向反覆彎矩之破壞模式...45
5.2.3 SRC構件承受雙向彎矩之破壞模式……………...…46
第六章試驗結果分析與討論.......................................................48
6.1 構件弱軸之極限強度與規範比較…………...………48
6.1.1 實驗值與AIJ規範比較………………………………48
6.1.2 實驗值與LRFD塑性分析之值比較…………………48
6.2 強度分析…………………….……………………………49
6.2.1 破壞面方程式………………………………………...49
6.2.2 構件強度之分析…………………………………...…49
6.3 勁度衰減…………………….……………………………50
6.4 變形能力及能量消散…………..………………………52
6.5 設計建議…………………………….……………………55
第七章結論與建議……………………………………………57
7.1 結論………………………..………………………………57
7.2 建議………………………..………………………………58
參考文獻…………….………………..……………………………….59
附表…………………….………………………………………………62
附圖…………………………….………………………………………68
照片…………………………………..………………………………..76

參考文獻

參考文獻
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指導教授

許協隆(Hsieh-Lung Hsu)

審核日期

2004-1-16

推文