綠色無水泥混凝土鋼筋握裹性質之研究｜國立臺灣科技大學博碩士論文系統

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研究生：	李炳輝 Ping-Hui Lee
論文名稱：	綠色無水泥混凝土鋼筋握裹性質之研究 Study on Bonding Behavior of Reinforcing Bar in Green No-cement Concrete
指導教授：	張大鵬 Ta-Peng Chang
口試委員:	黃然 Ran Huang 徐輝明 Hui-Mi Hsu
學位類別：	碩士 Master
系所名稱：	工程學院 - 營建工程系 Department of Civil and Construction Engineering
論文出版年：	2017
畢業學年度：	105
語文別：	中文
論文頁數：	102
中文關鍵詞：	鋼筋握裹力、動彈性模數、鹼激發爐石混凝土、SFC混凝土
外文關鍵詞：	bonding behavior, dynamic Young’s modulus, alkaline-activated slag concrete, SFC concrete
相關次數：	點閱：300 下載：1
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上一筆

本研究探討鋼筋在鹼機發爐石粉(AAS)膠結材混凝土及SFC(由爐石粉(S)、F級飛灰(F)及循環式流化床燃燒飛灰(C)所組成)膠結材混凝土等兩種綠色無水泥混凝土之握裹應力性質，並以卜特蘭水泥(OPC)混凝土作為控制組作為比較依據，依照RILEM規範埋置鋼筋於150×150×150 mm3之混凝土方塊試體，鋼筋尺寸選用D13 mm (#4)鋼筋，埋設長度為65 mm(約五倍鋼筋直徑)，各澆置三種不同低、中及高抗壓強度試體，探討抗壓強度、劈裂強度、彈性模數、超音波波速與鋼筋握裹力之關係。

This study aims to discuss the bonding stress properties of two green no-cement concretes, an alkali-activated slag (AAS) binder concrete and an innovative no-cement SFC binder concrete which was purely produced with the ternary mixture of three industrial by-products of ground granulated blast furnace slag (S), low calcium Class F fly ash (F) and circulating fluidized bed combustion (CFBC) fly ash (C). The ordinary Portland concrete was used as the control set for comparison. Based on RILEM standard, the rebars were embedded in a 150×150×150 mm3 cubic concrete specimens with the embedded length of 65 mm (about 5 times the diameter of rebars) where the size of rebars of D13 (#4) was chosen. Concrete specimens with three levels of low, medium and high compressive strength were cast. The relationship between the compressive strength, splitting tensile strength, elastic Young’s modulus, ultrasonic pulse velocity and the bonding stress of rebars was investigated for these concretes with similar compressive strengths as the base for comparison.

目錄
摘要    i
目錄    v
表目錄    viii
圖目錄    ix
第一章 緒論    1
1-1研究動機    1
1-2研究目的    2
1-3研究流程圖與內容    2
第二章 文獻回顧    4
2-1鋼筋握裹力    4
2-1-1握裹力相關規範    4
2-1-2握裹力學探討    5
2-1-3鋼筋受拉拔破壞模式    5
2-1-4 拉拔(pull-out)試驗    6
2-1-5    鋼筋握裹力與其他試驗之關係    7
2-2工業副產物介紹    8
2-2-1爐石    8
2-2-2 CFBC副產石灰    10
2-2-3飛灰    11
2-3 鹼激發爐石粉(AAS)    12
2-3-1鹼激發溶液    12
2-3-2 鹼激發反應機理    13
2-4 SFC混凝土    14
2-4-1 SFC混凝土反應機理    14
2-4-2 SFC相關探討    14
第三章 試驗計畫    33
3-1試驗內容    33
3-2試驗材料    34
3-3試驗儀器    35
3-4試驗配比    37
3-5試體編號    37
3-6試體拌合與製作    38
3-7試驗項目    38
3-7-1坍流度試驗    38
3-7-2 抗壓強度試驗    39
3-7-3劈裂強度試驗    39
3-7-4動彈性模數試驗    40
3-7-5超音波波速試驗    40
3-7-6鋼筋握裹力試驗    41
第四章 結果與討論    55
4-1 抗壓強度    55
4-2 動彈性模數    56
4-2-1動楊氏係數    56
4-2-2動剪力模數    56
4-2-3動彈性模數成長趨勢    57
4-3 劈裂強度探討    57
4-3-1 OPC混凝土    57
4-3-2 SFC混凝土    57
4-3-3 AAS混凝土    58
4-3-4劈裂強度比較    58
4-3-5破壞型態    59
4-4 坍流度試驗    59
4-5 超音波波速(UPV)    59
4-6 鋼筋握裹分析    60
4-6-1鋼筋握裹應力    60
4-6-2握裹分析-線性階段    61
4-6-3握裹分析-非線性階段    62
4-6-4握裹分析-下降階段    62
4-7 鋼筋綠混凝土運用評估    63
第五章 結論與建議    94
5-1結論    94
5-1建議    95
參考文獻    96


                                

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