博碩士論文 91322010 詳細資訊




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姓名 陳信成(Shin-Cheng Chen)  查詢紙本館藏   畢業系所 土木工程學系
論文名稱 鋼骨鋼筋輕質混凝土構件耐震行為
(Seismic behavior of lightweight steel reinforced concrete columns)
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摘要(中) 本研究針對14根應用輕質骨材之鋼骨鋼筋混凝土構材承受撓曲、軸力與單向撓曲聯合作用,及軸力與反覆側向力聯合作用時之承載行為,進行一系列的實驗研究,針對骨材單位重、圍束形式、鋼骨比和軸力比之改變,對構材極限強度、韌性、破壞型式與消能能力等行為之影響,進行探討,並與文獻[26]之相同參數常重混凝土SRC構件行為進行比較。研究顯示,以適當的鋼骨量與圍束型式下,對輕質混凝土複合構件可達與常重混能土構件相當之韌性,而在輕質混凝土SRC構件中,改善圍束型式和提高鋼骨量都能有效的提高構件的韌性行為,且鋼骨量的提升使輕質混凝土複合構件之勁度衰減趨於緩和,但以較佳圍束型式對輕質混凝土複合構件之勁度衰減沒有明顯效果。
摘要(英) This study is focused on the experimental investigation of seismic performance of steel reinforced concrete columns (SRC) composed of lightweight aggregate concrete. Specimens with various reinforcement placements were tested under bending and different combinations of bending and axial loads. Test results show that the inelastic behavior of lightweight aggregate concrete SRC members is governed by the steel ratio and the volumetric ratio of the confinements. It is also confirmed from the comparison on energy dissipation capacity that the ductility of lightweight aggregate concrete SRC members with adequate confinements stays at the equivalent level as that of normal weight concrete SRC, which justifies the applicability of lightweight aggregate concrete SRC to engineering practices.
關鍵字(中) ★ 鋼骨鋼筋混凝土
★ 輕質混凝土
關鍵字(英) ★ lightweight aggregate concrete
★ steel reinforced concrete
論文目次 目錄........................................I
表目錄......................................IV
圖目錄.......................................V
照片目錄...................................VIII
第一章 緒論.................................1
1-1 前言 ...................................1
1-2 研究動機與目的............2
1-3 研究方法與內容............2
第二章 文獻回顧............4
2-1 國內外相關研究............4
2-1-1 輕質骨材混凝土之應力-應變關係...........4
2-1-2 輕質骨材鋼筋混凝土構件之相關研究.........4
2-1-3 鋼骨鋼筋混凝土相關研究............5
2-1-4 核心混凝土圍束之相關研究............6
第三章 理論強度計算............8
3-1 美國ACI 規範相關規定[13]............8
3-2 美國AISC-LRFD 規範相關規定[14]...........9
3-3 日本AIJ-SRC相關規定[15]............11
3-4 國內「鋼骨鋼筋混凝土構造 (SRC) 設計規範與解說」............16
第四章 實驗規劃與試驗方法及流程............18
4-1 試驗規劃與參數............18
4-1-1 試驗規劃............18
4-1-2 試驗參數與試體編號............19
4-2 試體製作............19
4-3 試驗設備............20
4-4 試驗方法與流程............21
第五章 實驗觀察及破壞模式............23
5-1 實驗觀察............23
5-1-1 承受單向側向力之試體............23
5-1-2 承受反覆側向力之試體............24
5-1-3 承受軸力0.2Pn及單向側向力之試體.........26
5-1-4 承受軸力0.2Pn及反覆側向力之試體.........27
5-1-5 承受軸力0.35Pn及反覆側向力之試體........31
5-2 破壞模式..........34
5-2-1 加載型式之影響............34
5-2-2 圍束型式之影響............34
5-2-3 鋼骨量之影響............35
5-2-4 軸力之影響............36
第六章 實驗結果分析比較............38
6-1 構件極限強度與規範值比較............38
6-1-1 實驗值與ACI規範比較............38
6-1-2 實驗值與AIJ規範比較............38
6-2 勁度............39
6-2-1彎矩與曲率關係............39
6-2-2 位移勁度............40
6-3 韌性 ............42
6-3-1 位移比............42
6-3-2 能量韌性指標............44
第七章 結論與建議............46
7-1 結論 ............46
7-2 建議............47
參考文獻............48
附表........................................51
附圖........................................57
照片........................................63
參考文獻 [1]Wang﹐P. T.﹐Shah﹐S.P.﹐and Naaman﹐A. E. “Stress-Strain Curves of Normal and Lightweight Concrete in Compression”﹐ACI Journal,Nov78 pp.603-611.
[2]Ahmad﹐S.H.﹐and Barker﹐R. “Flexural Behavior of Reinforced High-Strength Lightweight Concrete Beams”﹐ACI Structural Journal‚Feb91 pp.69-77.
[3]Ahmad﹐S.H.﹐Xie﹐Y.﹐and Yu﹐T. “Shear Strength of Reinforced Lightweight Concrete Beams of Normal and High Strength Concrete”﹐Magazine of Concrete Research﹐Mar94 pp.57-66.
[4] Ahmad﹐S.H.﹐Xie﹐Y.﹐and Yu﹐T. “Shear Ductility of Reinforced Lightweight Concrete Beams of Normal Strength and High Strength Concrete”﹐Cement and Concrete Composites 17﹐Jan 1995﹐pp.147-159.
[5]Khaloo﹐Ali R﹐and Bozorgzadeh﹐A “Influence of Confining Hoop Flexural Stiffness on Behavior of High-Strength Lightweight Concrete Columns”﹐ACI Structural Journal Oct01 pp.657-663.
[6]Khaloo﹐A.R.﹐EI-Dash﹐K.M.﹐and Ahmad﹐S.H. “Model for Lightweight Concrete Columns Confined by Either Single Hoops or Interlocking Double Spirals”﹐ACI Structural Journal Dec99 pp.883-890
[7] El-Tawil, S., and Deierlein, G. G. “Strength and Ductility of Concrete Encased Composite Columns.” ASCE Journal of Structural engineering, Vol.125, NO.9, September, 1999, pp.1009-1019.
[8] Lege’ron, F., and Paultre, P. “Behavior of High Strength Concrete Columns under Cyclic Flexure and Constant Axial Load.” ACI Structural Journal, Vol.97, NO.4, July-August 2000, pp.591-601.
[9] Martirossyan, A.,and Xiao, Y., “Compressive Behavior of Square High-Strength Concrete Columns Reinforced with W-Shape Steel.” Ph.D. thesis supervised by Y. Xiao, University of Southern California, Los Angles.
[10] Saatcioglu Murat﹐Member﹐ASCE﹐and Razvi Salim R. “High-Strength Concrete Columns With Square Sections Under Concentric Compression”﹐Journal of structural engineering. Dec98, Vol. 124 Issue 12, pp.1438-1448
[11] Cusson, D., and Paultre, P. “Stress-Strain Model for Confined High-Strength Concrete.” ASCE Journal of Structural engineering, Vol.121, NO.3, March, 1995, pp.468-477.
[12] Razvi, S., and Saatcioglu, M. “Confinement Model for Hogh-Strength Concrete.” ASCE Journal of Structural engineering, Vol.125, NO.3, March, 1999, pp.281-289.
[13]ACI, ”Buildings code requirements for structural concrete (ACI318-95).” American Concrete Institute, Detroit, Michigan. ,1995.
[14]AISC, “Load and resistance factor design.” Second edition, American Institute of Steel Construction, Inc. ,1994.
[15]AIJ, “AIJ Standards for Structural Calculation of Steel Reinforced Concrete Structures.” Architectural Institute of Japan.
[16]Lin, C. H., and Lee, F. S. ”Ductility of High Performance Concrete Beams with High-Strength Lateral Reinforcement.” ACI Structural Journal, Vol.98, NO.4, July-August 2001, pp.600-608.
[17]Foster, S. J. “On Behavior of High-Strength Concrete Columns: Cover Spalling, Steel Fibers, and Ductility.” ACI Structural Journal, Vol.98, NO.4, July-August 2001, pp.583-589.
[18]Cusson, D., and Paultre, P. “High-Strength Concrete Columns Confined by Rectangular Ties.” ASCE Journal of Structural engineering, Vol.120, NO.3, March, 1994, pp.783-804.
[19]Mander, J. B., Priestley, J. N., and Park, R. “Theoretical Stress-Strain Model for Confined Concrete.” ASCE Journal of Structural engineering, Vol.114, NO.8, August, 1988, pp.1804-1826.
[20]Cusson, D., De Larrard, F., Boulay, C., and Paultre, P. “Strain Localization in Confined High-Strength Concrete Columns.” ASCE Journal of Structural engineering, Vol.122, NO.9, September, 1996, pp.1055-1061.
[21]Wee, T. H., and Mansur, M. A. “Stress-Strain Relationship of High-Strength Concrete in Compression.” ASCE Journal of Materials in Civil Engineering, Vol.8, NO.2, May, 1996, pp.70-76.
[22]翁正強、廖慧明、張荻薇、陳誠直,「鋼骨鋼筋混凝土結構 ( SRC ) 設規範與解說研究」,內政部建築研究所專題研究計畫成果報告,民國八十六年六月,台北。
[23]林銅柱、許偉銘﹐“輕質骨材混凝土工程應用之初步經濟評估”﹐國立交通大學土木工程研究所﹐碩士論文﹐八十一年六月。
[24]陳豪吉、高章育﹐“輕質骨材混凝土之耐震性質研究”﹐國立中興大學土木工程研究所﹐碩士論文﹐九十一年六月。
[25]許協隆、王慶雲,「應用高強度混凝土之鋼骨鋼筋混凝土耐震行為」,國立中央大學土木工程學系,民國九十年十二月。
[26]許協隆、陳景仁﹐“高強度鋼骨鋼筋混凝土含鋼量與耐震行為研究”﹐國立中央大學土木工程研究所﹐碩士論文﹐九十年六月。
[27]顏聰﹐“台灣區水庫淤泥化性調查及輕質骨材製成技術研究”﹐水庫淤泥輕質骨材混凝土產製及應用研討會論文集﹐九十二年十二月﹐pp.3-30台北﹐台灣。
指導教授 許協隆(H. L. Hsu) 審核日期 2004-7-16
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