台灣目前常見之結構物仍是鋼筋混凝土構物居多，然現行常使用之鋼筋為SD 420之鋼筋及一般強度(fc’ = 280 kgf/cm² 或350 kgf/cm²)之混凝土，隨著近年來高強度鋼筋SD 490W及SD 550W的發展並搭配高強度混凝土的設計理念，藉以縮減建築物之梁、柱斷面，以增加內部使用空間。故後續對於混凝土構物使用高強度鋼筋將成為趨勢。
本研究係選用混凝土預拌廠常使用之高強度混凝土配合設計強度(fc’ = 560 kgf/cm²)，及使用鋼筋生產廠商目前例行生產之高強度鋼筋 (SD 490W及SD 550W)；以不同之鍍鋅含量，並於現地固定鋼筋及澆製高強度混凝土，於不同混凝土養護齡期 (7、28及91天)，進行現地鋼筋與混凝土之拉拔試驗，藉以了解在混凝土強度發展與不同鋼筋號數、鍍鋅含量間與試驗方法之差異對鋼筋握裹強度關係。並通過製作圓柱試體對高強度混凝土進行新拌性質、硬固性質及耐久性質之試驗了解高強度混凝土之工程性質。
結果顯示，養護齡期28天之混凝土抗壓強度皆可達到63.4MPa以上，劈裂強度為5.28~5.62MPa，反彈錘R值為44，參考對應混凝土抗壓強度約為R值13.6 倍，顯示強度皆隨著齡期的增加而增強，且抗壓及劈裂強度間具有良好關係；超音波波速成長狀況為4,660 ~4,706 m/s，顯示各取代量皆能達到較佳的緻密性，且與抗壓強度有相似的成長趨勢；量測之表面電阻為23.3~24.3 kΩ-cm，皆高於20 kΩ-cm，顯示該混凝土配比有著很好的緻密性；透過快速氯離子電滲試驗量測試體電滲質為2177~2475庫倫之間，顯示該混凝土有著良好的氯離子滲透性； 28天鍍鋅鋼筋拉拔試驗方面，其握裹力強度皆達到 20MPa，顯示隨著混凝土強度的提升鋼筋的握裹力也會隨之增長。研究結果顯示，以ASTM E488進行鋼筋拉拔試驗數據判斷無鍍鋅鋼筋與鍍鋅量不同之高強度鋼筋混凝土之握裹強度差異不大。

At present, most common structures in Taiwan are reinforced concrete structures. However, the commonly used steel bars are SD 420 steel bars and concrete with normal strength (fc' = 280 kgf/cm² or 350 kgf/cm²). The development of the strength steel bars SD 490W and SD 550W is combined with the design concept of high-strength concrete to reduce the cross-section of the beams and columns of the building to increase the internal use space. Therefore, the subsequent use of high-strength steel bars for concrete structures will become a trend.
In this study, the design strength of high-strength concrete (fc' = 560 kgf/cm²) commonly used in concrete ready-mix plants is selected, and the high-strength steel bars (SD 490W and SD 550W) currently routinely produced by steel bar manufacturers are used; In order to understand the difference in the strength of concrete, the steel bars and high-strength concrete were fixed on site, and high-strength concrete was poured. The pull-out test of the on-site steel bars and concrete was carried out at different concrete curing ages (7, 28 and 91 days). The relationship between the number of steel bars, the content of galvanized steel and the test method has an effect on the bond strength of steel bars. And through the production of cylindrical specimens, the high-strength concrete is tested for its fresh mixing properties, hardening properties and durability properties to understand the engineering properties of high-strength concrete.
The results show that the compressive strength of the concrete with a curing age of 28 days can reach above 63.4MPa, the splitting strength is 5.28~5.62MPa, the rebound hammer R value is 44, and the reference corresponding concrete compressive strength is about 13.6 times the R value. The strength increases with the increase of age, and there is a good relationship between compressive strength and splitting strength; the ultrasonic wave velocity growth status is 4,660 ~ 4,706 m/s, showing that each amount of substitution can achieve better compactness, and It has a similar growth trend with the compressive strength; the measured surface resistance is 23.3~24.3 kΩ-cm, which are all higher than 20 kΩ-cm, indicating that the concrete ratio has good compactness; through the rapid chloride ion electroosmosis test The electroosmotic quality of the test body is between 2177 and 2475 coulombs, which shows that the concrete has good chloride ion permeability; in the 28-day galvanized steel pull-out test, the bond strength reached 20MPa, which shows that the strength of the concrete increases with the strength of the concrete. The binding force of the lifting steel bars will increase accordingly. The results of the study show that there is little difference in the bond strength between ungalvanized steel bars and high-strength reinforced concrete with different galvanized amounts using ASTM E488 steel pull-out test data.

目錄
摘要 4
ABSTRACT 5
表目錄 11
圖目錄 12
第一章 緒論 14
1.1研究動機 14
1.2研究目的 14
1.3研究內容 15
1-4 研究流程 16
第二章 文獻回顧 17
2-1波特蘭水泥的基礎性質與反應 17
2-1-1水泥製程與基本性質 17
2-1-2水泥水化反應 17
2-1-3卜作嵐材料之的特性及應用 20
2-2煉鋼爐碴的製程與性質 20
2-2-1一貫作業煉鋼製程 20
2-2-2爐石粉基本性質 20
2-2-3爐石粉反應過程 21
2-3氯離子的來源與反應 22
2-3-1 氯離子的來源 22
2-3-2中性化反應 26
2-4熱浸鍍鋅的特性與應用 27
2-4-1熱浸鍍鋅原理 27
2-4-2熱浸鍍鋅發展與應用 27
2-4-3熱浸鍍鋅鋼筋應用特性 28
2-4-4鍍鋅層鋼筋與混凝土界面之影響 28
2-5鋼筋混凝土握裹行為 29
2-5-1握裹力之發展 29
2-5-2握裹破壞模式及影響因素 31
第三章 試驗計畫 35
3-1 試驗材料 35
3-2 試驗項目及設備 35
3-2-1新拌性質 35
3-2-2 硬固性質 35
3-2-3耐久性質 38
3-3 試驗變數 39
3-3-1高強度混凝土鋼筋握裹力之變數 39
3-3-2 高強度混凝土變數 40
第四章 結果與分析 57
4-1 新拌性質 57
4-2硬固性質 57
4-2-1抗壓強度 57
4-2-2鑽心試驗 58
4-2-3超音波波速 58
4-2-4劈裂強度 59
4-2-5敲擊回音 60
4-2-6反彈錘試驗 60
4-3鋼筋握裹拉拔 61
4-3-1鋼筋握裹強度 61
4-3-2 抗壓強度和鋼筋握裹強度之關係 61
4-3-3 小結 64
4-4 耐久性質 65
4-4-1四極式電阻 65
4-4-2快速氯離子滲透試驗 66
第五章 結論與建議 93
5-1 結論 93
5-2 建議 94
參考文獻 95
作者簡歷 99

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