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論文中文名稱:混凝土新舊界面之施工品質與力學性質之探討 [以論文名稱查詢館藏系統]
論文英文名稱:The Research of old and new concrete interfaces cohesive behavior and quality control [以論文名稱查詢館藏系統]
院校名稱:臺北科技大學
學院名稱:工程學院
系所名稱:土木與防災研究所
中文姓名:林建智
英文姓名:Chien-Chih Lin
研究生學號:94428034
學位類別:碩士
語文別:中文
口試日期:2007-07-10
論文頁數:95
指導教授中文名:林利國
口試委員中文名:黃兆龍;林祐正
中文關鍵詞:混凝土施工縫黏結力摩擦力
英文關鍵詞:ConcreteWorking jointcohesivefriction
論文中文摘要:混凝土(Concrete)是土木與建築的結構體中,不可或缺的主要營建材料之ㄧ;土木與營建工程之硬體設施乃提供人類安全且有保障的居住環境與工作場所,也滿足了民眾食、衣、住、行、育、樂等各方面的需求,所以無論時代的轉變如何快速,混凝土依然是當今多數建築結構的主要材料。
基本上,混凝土之澆置,應以一次澆置完成為原則,但因為受到技術、時間、施工人力乃至供料速度等因素之影響或在澆置作業中遇到突發情況而導致被迫澆置作業必須中斷,因而需設置施工縫;或建築物如需臨時增建、擴建或補強時,即需要將舊有建築物之混凝土與新澆製混凝土作結合此種新舊混凝土的交接面亦產生縫隙,當此一結合介面若處理不當,即可能造成結構弱面的產生,進而使得建物本身的強度與安全性大幅降低,嚴重時,即可能導致民眾生命財產安全之危害。
故本研究將探討新舊混凝土介面不同狀態之力學行為,藉由三種實驗方式,以製作混凝土試體在不同條件情況下,以實測及探討新混凝土之黏結力與摩擦力,所能發揮之結構抵抗角色,進而驗證此其新舊混凝土交接面所能提供的力學行為與施工品質。
論文英文摘要:Concrete is one of the essential materials for construction and building industrys. The form or frame of constrution and building project not only can provides a safe and sure environment for habitation and working but also contents with every aspect of their needs for the people on eating, clothing, living, traffing, educatiing and entertainment. Nowadays, concrete is still the main material in almost all architectures and hasn’t changed much throghout time. Basically, the placing activity of concrete should be done at one time. But there are a few reasons that could change it. For instance, the placing precesure it could be affected by some factors, such as technigue skill, time, man-power and the speed of the supply. During the placing of concrete, something could happen to cause its process being cut off, so wxpansion and contraction is needed to set up before this happens. If the constrution is required to be supplemented, wxpanded or intensified that connect
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with the old-new concrete is necessary and world create a crevice along the connecting interface. When the connection surface couldn’t be done well, it might bring a soft side of construction. Moreover, that could substantially reduce the safety and the steady of the construction itself. The worst of all is that might terminate the resident’s live, and the safety of the property. To sum up, three scientific methods of this had study be done to discuss old-new concrete cohesive behavior in different stage. Also the experiment and discussions will derive the cohesion and friction of new concrete and may play appropriate role in resisting construction. Furthmore the research result can be used to verify old-new concrete connecting surfaces may supply resistance with quality performance in constuction.
論文目次:中文摘要......................................................................................................i
英文摘要......................................................................................................ii
誌謝.............................................................................................................iv
目錄.............................................................................................................v
表目錄.........................................................................................................vii
圖目錄.........................................................................................................ix
第一章 緒論..............................................................................................1
1.1研究動機......................................................................................1
1.2研究目的......................................................................................3
1.3研究方法與流程..........................................................................3
1.4研究範圍與限制..........................................................................4
第二章 文獻回顧......................................................................................6
2.1混凝土材料..................................................................................6
2.1.1 混凝土的基本特性............................................................7
2.1.2 混凝土品質的基本要求....................................................7
2.1.3 工程常用之混凝土種類....................................................8
2.1.4 混凝土之強度種類特性....................................................9
2.1.4.1 影響混凝土強度之因素.........................................9
2.1.4.2 混凝土抗壓強度性質.............................................11
2.2 混凝土之裂縫.............................................................................14
2.2.1 混凝土受外在影響自然產生之裂縫.................................15
2.2.1.1 混凝土自然裂縫產生原因.....................................16
2.2.1.2 混凝土裂縫處理方式.............................................17
2.2.2 混凝土之施工縫................................................................18
2.2.3 混凝土之伸縮縫................................................................22
2.2.3.1 伸縮縫之型式.........................................................22
2.2.3.2 伸縮縫之功能與優缺點.........................................23
2.2.3.3 伸縮縫施工應注意事項.........................................24
2.3 國內外新舊混凝土相關研究文獻..............................................26
第三章 新舊混凝土介面試驗流程與紀錄...............................................28
3.1 新舊混凝土介面黏結力試驗儀器之介紹..................................29
3.2 新舊混凝土介面黏結力試驗實驗規劃......................................30
3.3 新舊混凝土介面黏結力試驗實驗流程......................................40
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3.4 新舊混凝土介面黏結力試驗實驗相關數據..............................41
3.5 新舊混凝土介面黏結力試驗實驗方法......................................41
3.6 新舊混凝土介面黏結力試驗試體製作流程紀錄......................42
3.7 小結............................................................................................58
第四章 混凝土介面接合力之測試實驗...................................................64
4.1 試驗儀器介紹.............................................................................64
4.2 試驗規劃.....................................................................................66
4.3 混凝土介面接合力模擬實驗流程..............................................69
4.4 新舊混凝土介面黏結力實驗方法說明......................................70
4.5 新舊混凝土介面黏結力試體製作及紀錄..................................70
4.5.1 新舊混凝土澆置時間差之黏結力試驗.............................70
4.5.2 新舊混凝土粗細介面黏結力試驗.....................................74
4.5.3 混凝土黏結材料黏結力試驗............................................75
4.5.4 混凝土填充材料摩擦力試驗............................................82
4.6 小結............................................................................................86
第五章 結論與建議..................................................................................91
5.1 結論............................................................................................91
5.2 建議............................................................................................92
參考文獻......................................................................................................94
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論文全文使用權限:同意授權於2017-12-31起公開