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論文中文名稱:模組化鋼筋混凝土預鑄節塊橋柱之耐震行為研究與探討 [以論文名稱查詢館藏系統]
論文英文名稱:Study on Seismic Behavior of Module Precasted Reinforced Concrete Bridge Columns [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:土木工程系土木與防災碩士班
畢業學年度:104
畢業學期:第二學期
中文姓名:呂政勳
英文姓名:Cheng-Hsun,Lu
研究生學號:103428007
學位類別:碩士
口試日期:2016/07/28
指導教授中文名:宋裕祺
指導教授英文名:Yu-chi,Sung
口試委員中文名:宋裕祺;張國鎮;洪曉慧
中文關鍵詞:剪力榫ANSYSSAP2000圍束配件自復位
英文關鍵詞:Shear keyANSYSSAP2000Confinement equipmentSelf-centering
論文中文摘要:本文以具類脊椎關節預鑄節塊鋼筋混凝土柱之研究為基準,延續積木式堆疊模組化預鑄節塊橋柱之耐震性能研究,採用鋼棒作為剪力榫,使層與層間之節塊有良好的剪力傳遞機制,並增加各層間接處面之剪力強度,不僅有利於施工精度,也可以減少預力鋼腱所需之預應力。本文所提出之模組化預鑄節塊橋柱,對於施工工期以及周遭環境的影響可以降到最低,因此本研究之模組化預鑄節塊橋柱適用於市區、山區或災後。
為了更進一步了解橋柱之實際結構力學行為,本研究於國家地震工程研究中心(NCREE)進行橋墩試體之相關耐震性能實驗,其遲滯迴圈特性、消能能力、殘餘變形量之結果顯示,均優於傳統之鋼筋混凝土橋柱。
續以有限元素分析軟體ANSYS將模組化預鑄節塊橋柱試體進行細部數值模擬分析。此外,為使工程界能夠進行相關之設計工作,亦使用工程界常用之結構分析軟體SAP2000簡化模擬分析並進行非線性分析。研究成果顯示其良好之耐震能力,加上施工工期短及低環境影響之優點,冀望本研究可促進模組化預鑄節塊橋柱於未來之使用。
論文英文摘要:Based on the previous research, this thesis continued the study on seismic behavior of module precasted segmental concrete bridge column using toy-block stacking. To integrate the structural performance of all the stacking blocks, the shear key is implemented in the adjacent blocks in elevation and provides sufficient shear strength between interface of blocks. It can not only benefit the construction precision but also decrease the demand on prestress to the tendon. As for the proposed module column, the construction time and environmental impact could be minimized and therefore suitable to the bridge erection in urban area or after disaster.
The cyclic loading test of a bridge column specimen that is close to real scale was conducted at National Center of Research of Earthquake Engineering (NCREE), Taiwan. The hysterestic loop behavior, seismic energy dissipation, permanent displacement and capacity of drift ratio of the proposed module column are found to be superior to that of conventional reinforced concrete column.
In order to further understand mechanical behavior of the module bridge columns, the software of ANSYS was used to do finite element analysis for detailed numerical simulation. In addition, a simplified structural model using software SAP2000 well known by engineers was proposed as well in view of availability of the proposed method to practical engineering. The results obtained show the advantages of good seismic performance, rapid construction and low environmental impact of the proposed module bridge column. It is expected this thesis could facilitate the use of the module bridge column in the near future.
論文目次:摘 要 i
ABSTRACT ii
誌 謝 iv
目 錄 vi
表目錄 ix
圖目錄 x
第一章 緒論 1
1.1 研究背景與目的 1
1.2 研究內容與方法 2
1.3 論文組織與架構 3
第二章 文獻回顧 6
2.1 相關實驗研究 6
2.2 具類脊椎關節預鑄節塊與模組化預鑄節塊實驗研究 19
2.2.1 具類脊椎關節之預鑄節塊 19
2.2.2 模組化預鑄節塊 21
2.2.3 實驗成果探討 21
2.2.4 小結 23
2.3 預鑄節塊行為特性之回顧 24
2.3.1 預力鋼腱 24
2.3.2 消能行為 26
2.3.3 節塊接頭 27
2.4 有限元素軟體在預鑄節塊分析之應用回顧 29
第三章 理論分析模型 38
3.1 一般鋼筋混凝土橋墩分析模式 38
3.2 預力柱分析模式 41
3.3 鋼筋混凝土材料組成律 44
3.3.1 混凝土組成律 44
3.3.2 鋼筋應變硬化組成律 55
3.3.3 預力鋼腱組成律 57
3.4 節塊接觸介面力學行為探討 59
第四章 模組化預鑄節塊橋柱之設計 62
4.1 傳統試體之介紹 62
4.1.1. 傳統試體之斷面尺寸介紹 62
4.1.2. 軸力與側力加載系統 66
4.1.3. 傳統橋柱試體反覆載重試驗成果 67
4.2 模組化預鑄節塊橋墩試體之設計、規劃及組裝 68
4.2.1 實心模組化預鑄節塊橋墩試體 73
4.2.2 橫向圍束螺桿 96
第五章 模組化預鑄節塊之數值分析要點 100
5.1 有限元素法基本概念 100
5.2 ANSYS有限元素軟體之基本架構 101
5.2.1 前處理器(Preprocessor) 102
5.2.2 求解器(Solution) 103
5.2.3 後處理器(Posprocessor) 103
5.3 ANSYS構件模擬之適用元素 103
5.3.1 混凝土元素-Solid65 104
5.3.2 鋼筋元素-Pipe288 107
5.3.3 鋼腱元素-Link180 108
5.3.4 接觸面元素-Conta174及Targe170 109
5.4 ANSYS模型之模擬 114
5.4.1 材料性質與參數 114
5.4.2 邊界條件 118
5.4.3 有限元素模型 119
5.5 SAP2000簡化模型之模擬 122
5.5.1 模組化預鑄節塊簡化模型建立 122
5.5.2 構件塑鉸性質 125
5.5.3 推覆分析設定 127
第六章 模組化預鑄節塊橋柱之成果探討 130
6.1 實心試體成果 130
6.1.1 實心MSSK試體遲滯迴圈發展成果 130
6.1.2 實心MSSK試體之破壞模式 132
6.1.3 實心MSSK試體節塊開合與轉角 138
6.1.4 實心MSSK試體節塊預力發展 144
6.2 MSSK試體與傳統試體之比對探討 145
6.3.1 實心MSSK試體與傳統試體之比對 145
6.3.2 試體MSSK實驗結果與及ANSYS模型分析比對 146
6.3.3 試體MSSK實驗結果與及SAP2000模型分析比對 150
第七章 結論與建議 152
7.1結論 152
7.2建議 154
參考文獻 156
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