鋼筋混凝土構件之鋼筋握裹性能試驗研究

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姓名

周秉憶(BING-YI CHOU) 查詢紙本館藏

畢業系所

土木工程學系

論文名稱

鋼筋混凝土構件之鋼筋握裹性能試驗研究
(Experimental Investigation on the Bond Performance of Rebar in Reinforced Concrete)

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至系統瀏覽論文 (2027-9-1以後開放)

摘要(中)

本研究為探討不同節型鋼筋於混凝土中之握裹行為。共製作30 組梁端鋼筋錨定試體，採用梁端偏心拉拔之試驗形式，模擬具有適當橫向圍束竹節與光面鋼筋之受撓構件中鋼筋的直線握裹行為，探討鋼筋在臨界斷面處發展斷筋伸展長度下，其握裹應力與不同鋼筋節型間的關係。過去曾對於竹節鋼筋與混凝土之握裹性能及螺紋節鋼筋與混凝土之握裹性能進行研究，針對不同鋼筋節形與混凝土握裹行為之相關研究較少。本研究考慮在不同主筋節形、主筋脊位置、箍筋強度、混凝土強度、包含混凝土保護層及橫向鋼筋圍束的劈裂指數（超過上限值2.5）及鋼筋表面之幾何形狀指標Rr（節高與節距之比值）下，鋼筋與混凝土間的握裹行為。

摘要(英)

The purpose of this study is to investigate the gripping behavior of different nodal types of steel bars in concrete. A total of 30 sets of beam-end reinforcement anchoring specimens were made, and the beam-end eccentric pulling test was used to simulate the straight-line wrapping behavior of steel bars in a flexural member with appropriate transverse confinement bamboo joints and smooth steel bars. The relationship between the wrapping stress and the different types of steel bars under the extension length of the broken bar developed at the surface. In the past, there have been studies on the gripping properties of slub-jointed steel bars and concrete and the gripping properties of threaded-section steel bars and concrete, but there are few studies related to different shapes of steel bars and the gripping behavior of concrete. In this study, different main bar nodal shapes, main bar ridge positions, stirrup strength, concrete strength, splitting index (over the upper limit of 2.5) including concrete cover and transverse reinforcement bars, and the geometric shape index Rr of the steel bar surface were considered. The ratio of height to pitch), the grip behavior between steel and concrete.

關鍵字(中)

★ 直線伸展長度
★ 高強度鋼筋
★ 握裹性能
★ 節高
★ 節距
★ 劈裂指數

關鍵字(英)

★ Develop length
★ High-Strength deformed bars
★ Bonding performers
★ Rib heigh
★ Rib space
★ Spilling index

論文目次

第一章緒論 1
1.1 前言 1
1.2研究動機與目的 1
1.3研究方法 2
1.4 論文架構 2
第二章文獻回顧 3
2.1 混凝土性質 3
2.2 鋼筋性質 4
2.3 圍束性質與劈裂指數效應 9
2.4 握裹受力機制 10
2.6 ACI 318 伸展長度模型 11
2.7 螺紋節鋼筋於鋼筋混凝土之握裹行為研究 13
第三章直線鋼筋握裹實驗 17
3.1 試體設計 17
3.2 應變量測計測 38
3.3 試體製作 39
3.4 試驗構架與量測 41
3.4.1 試驗構架與加載程序 41
3.4.2 量測系統 43
3.5 試驗過程 46
試體DC4A4S1V： 47
試體DC4A4S3V： 48
試體PC4A4S0V： 49
試體PC4A4S1V： 50
試體AC4A4S1H： 51
試體AC4A4S3H： 52
試體TC4A4S1H： 53
試體TA4A4S3H： 54
試體AC4A8S1V： 55
試體AC4A8S3V： 56
試體TC4A8S1V： 57
試體TC4A8S3V： 58
試體AC4A4S0V： 59
試體AC4A4S1V： 60
試體AC4A4S3V： 61
試體TC4A4S0V： 62
試體TC4A4S1V： 63
試體TC4A4S3V： 64
試體AC4P4S1V： 65
試體AC4P4S3V： 66
試體TC4P4S1V： 67
試體TC4P4S3V： 68
試體AC2A4S1V： 69
試體AC2A4S3V： 70
試體TC2A4S1V： 71
試體TC2A4S3V： 72
試體AC2P4S1V： 73
試體AC2P4S3V： 74
試體TC2P4S1V： 75
試體TC2P4S3V： 76
第四章實驗結果與討論 77
4.1 材料試驗 77
4.1.1 混凝土抗壓試驗 77
4.1.2 鋼筋拉伸試驗 80
4.2 梁端偏心拉拔實驗 82
4.2.1 破壞模式 83
4.2.3 橫向圍束鋼筋應變 85
4.2.2 握裹強度及效益比 88
4.2.4 鑽石節形之相對節面積 97
4.2.5 握裹滑動位移 99
第五章結論與建議 103
參考文獻 106

參考文獻

[1] 紀凱甯,林克強,邱建國.螺紋節鋼筋直線伸展握裹研究，中國土木水利工程學刊，2018，30.3: 171-179。
[2] 李柏達. (2019). 竹節鋼筋於鋼筋混凝土之直線握裹行為研究. 國立台灣科技大學營建工程學系碩士學位論文.
[3] 林垣諺，(2021)，高強度竹節鋼筋於混凝土之直線劈裂握裹行為研究，國立中央大學土木工程學系碩士學位論文。
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[5] Metelli G., Plizzari G., “Influence of the relative rib area on bond behaviour. ”Magazine of Concrete Research. Vol.66:6, 2014, pp. 277-294.
[6] Thompson, M. K., “The Anchorage Behavior of Headed Reinforcement in CCT Nodes and Lap Splices,” PhD dissertation, University of Texas at Austin, Austin,TX, 2002, 502 pp.
[7] Abrams, D. A., “Tests of Bond between Concrete and Steel,” Bulletin No. 71, Engineering Experiment Station, University of Illinois, Urbana, Ill., 1913, pp. 105.
[8] Clark, A. P., “Comparative Bond Efficiency of Deformed Concrete Reinforcing Bars,” ACI Journal, Proceedings V. 43, No. 4, Dec., 1946, pp. 381-400.
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[10] Soretz, S., and Holzenbein, H., “Influence of Rib Dimensions of Reinforcing Bars on Bond and Bendability,” ACI Journal, Proceedings V. 76, No. 1, Jan., 1979, pp.111-127.
[11] Darwin, D., and Graham, E. K., “Effect of Deformation Height and Spacing on Bond Strength of Reinforcing Bars,” SL Report 93-1, University of Kansas Centerfor Research, Lawrence, Kans., Jan., 1993, pp. 68.
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[13] 中華民國國家標準規範(CNS)，ICS 77.140.60，「鋼筋混凝土用鋼筋」，總號： 560，類號：A2006。
[14] Erdem Canbay and Robert J.Frosch,”Bond Strength of Lap-Spliced Bars”,ACI Journal,July,2005,pp.605-614
[15] Zuo, J., and Darwin, D., “Splice Strength of Conventional and High Relative Rib Area Bars in Normal and High-Strength Concrete,” ACI Structural Journal, V. 97,No. 4, July-Aug., 2000, pp. 630-641.
[16] Darwin, D., Tholen, M. L., Idun, E. K., and Zuo, J., “Splice Strength of High Relative Rib Area Reinforcing Bars,” ACI Structural Journal, V. 93, No. 1, Jan.-Feb., 1996a, pp. 95-107.
[17] ACI Committee 318, “Building Code Requirements for Structural Concrete (ACI318-14) and Commentary (ACI 318R-14),” American Concrete Institute (ACI),Farmington Hills, Mich., 2014.
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[19] I.C.Jhamb and J.G.Mac Gregor,”Stress Concentrations Caused By Reinforcing Bar Deformation”,1976

指導教授

王勇智(Yung-Chih Wang)

審核日期

2022-9-23

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