第五章 結論與建議
5.2 建議
1. 本研究所設計之試體尺寸較小，其尺寸定義包括鋁合金管之斷面 外徑及長度，未來研究可試著採用尺寸較大之試體，並與本研究 結果相互比較。
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2. 本研究僅探討鋁合金管填充混凝土短柱純軸壓行為，未來研究可 以此為基礎，延續探討與鋁合金填充混凝土梁柱構件之行為。
3. 鋁合金方管試體於此研究中數據稍嫌不足，且實驗值差距過大，
無法進行合理之軸壓強度推導，留待後續研究討論。
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陳瑞益，「高強度混凝土在被動圍束下之行為研究」，國立交通大學 土木工程研究所碩士論文 1987，趙文成指導。
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丁英哲，「高強度鋼管混凝土柱強度之實驗探討」，國立中興大學土 木工程研究所碩士論文 2004。
表3.1 圓管試體編號
Specimen Depth D (mm)
表3.2 方管試體編號
表3.3 圓管試體之混凝土強度 f '
Specimen c (MPa)
C-d38t3-CN 40.2 C-d38t3-CH 62.5 C-d41t6-CN 37.0 C-d41t6-CH 58.8 C-d45t3-CN 37.0 C-d45t3-CH 58.8 C-d51t3-CN 40.2 C-d51t3-CH 62.5 C-d55t6-CN 37.0 C-d55t6-CH 58.8 C-d63t3-CN 40.2 C-d63t3-CH 62.5 C-d63t6-CN 40.2 C-d63t6-CH 62.5 C-d76t3-CN 40.2 C-d76t3-CH 62.5 C-d102t3-CN 40.2 C-d102t3-CH 62.5 C-d102t6-CN 40.2 C-d102t6-CH 62.5 C-d102t12-CN 40.2 C-d102t12-CH 62.5
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表3.4 方管試體之混凝土強度
Specimen
'
fc (MPa) S-b38t2-CN 40.2 S-b38t2-CH 62.5 S-b38t3-CN 40.2 S-b38t3-CH 62.5 S-b51t2-CN 40.2 S-b51t2-CH 62.5 S-b51t3-CN 40.2 S-b51t3-CH 62.5 S-b76t3-CN 40.2 S-b76t3-CH 62.5 S-b102t3-CN 40.2 S-b102t3-CH 62.5
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表3.5 鋁合金管材料性質試驗結果
表4.1 圓管試體極限軸壓強度規範值與實驗值之比較
Specimen Ptest (kN)
表4.2 方管試體極限軸壓強度規範值與實驗值之比較
Specimen Ptest (kN)
表4.3 圓管試體之波松比 Specimen Poisson’s ratio C-d38t3-CN 0.32 C-d38t3-CH 0.33 C-d41t6-CN 0.33 C-d41t6-CH 0.37 C-d45t3-CN 0.30 C-d45t3-CH 0.33 C-d51t3-CN 0.33 C-d51t3-CH 0.33 C-d55t6-CN 0.33 C-d55t6-CH 0.36 C-d63t3-CN 0.35 C-d63t3-CH 0.34 C-d63t6-CN 0.31 C-d63t6-CH 0.32 C-d76t3-CN 0.28 C-d76t3-CH 0.39 C-d102t3-CN 0.31 C-d102t3-CH 0.27 C-d102t6-CN 0.31 C-d102t6-CH 0.28 C-d102t12-CN 0.32
C-d102t12-CH 0.33
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表4.4 圓管試體公式推導值與實驗值之比較
Specimen PCFAAT−C C-d38t3-CN 1.01 C-d38t3-CH 0.96 C-d41t6-CN 1.04 C-d41t6-CH 1.20 C-d45t3-CN 0.98 C-d45t3-CH 0.90 C-d51t3-CN 0.99 C-d51t3-CH 0.93 C-d55t6-CN 1.15 C-d55t6-CH 0.96 C-d63t3-CN 0.95 C-d63t3-CH 0.92 C-d63t6-CN 1.13 C-d63t6-CH 1.08 C-d76t3-CN 0.90 C-d76t3-CH 0.81 C-d102t3-CN 0.85 C-d102t3-CH 0.93 C-d102t6-CN 0.99 C-d102t6-CH 0.96 C-d102t12-CN 1.08 C-d102t12-CH 1.01 Mean 0.99 COV 0.097
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圖2.1 鋁合金降伏強度之平移法(Gere J.M. 2004)
(a) (b)
圖3.1 試體斷面圖(a)圓管試體；(b)方管試體
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Axial Load
LVDTs at Each Corner
圖3.2 試體於試驗機設置側視圖
Location of LVDTs
Longitudinal Strain Gauge Transverse Strain Gauge
(a) (b)
圖3.3 試體於試驗機設置俯視圖(a)圓管試體；(b)方管試體
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圖3.4 圓管試體應變計黏貼處
圖3.5 方管試體應變計黏貼處
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0 20 40 6
Average Strain (mm/mm)
C-d38t3-CH
Average Strain (mm/mm)
C-d41t6-CH C-d41t6-CN C-d41t6-CO
圖4.2 試體 C-d41t6 系列載重位移圖
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0 20 40 6
Average Strain (mm/mm)
C-d45t3-CH
Average Strain (mm/mm)
C-d51t3-CH C-d51t3-CN C-d51t3-CO
圖4.4 試體 C-d51t3 系列載重位移圖
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0 20 40 6
Average Strain (mm/mm)
C-d55t6-CH ge Strain (mm/mm)
C-d63t3-CH C-d63t3-CN C-d63t3-CO
圖4.6 試體 C-d63t3 系列載重位移圖
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0 20 40 6 ge Strain (mm/mm)
C-d63t6-CH
Average Strain (mm/mm)
C-d76t3-CH C-d76t3-CN C-d76t3-CO
圖4.8 試體 C-d76t3 系列載重位移圖
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0 10 20 30 40 5
Average Strain (mm/mm)
C-d102t3-CH
Average Strain (mm/mm)
C-d102t6-CH
0 10 20 30 40 5
Average Strain (mm/mm)
C-d102t12-CH
Average Strain (mm/mm)
S-d38t2-CH S-d38t2-CN S-d38t2-CO
圖4.12 試體 S-d38t2 系列載重位移圖
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0 4 8 12
Average Strain (mm/mm)
S-d38t3-CH
Average Strain (mm/mm)
S-d51t2-CH S-d51t2-CN S-d51t2-CO
圖4.14 試體 S-d51t2 系列載重位移圖
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0 4 8 12
Average Strain (mm/mm)
S-d51t3-CH
Average Strain (mm/mm)
S-d76t3-CH S-d76t3-CN S-d76t3-CO
圖4.16 試體 S-d76t3 系列載重位移圖
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0 4 8 12
Average Strain (mm/mm)
S-d102t3-CH
Circular λ= 0.26 Square λ= -0.32
圖 4.18 λ值求取示意圖
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0 10 20 30 4
0 20 40 6
Average Strain (mm/mm)
S-d38t3-CH
Average Strain (mm/mm)
S-d51t3-CH
0 10 20 30 40
Average Strain (mm/mm)
S-d76t3-CH
Average Strain (mm/mm)
S-d102t3-CH
0 20 40 6
0 20 40 6
0 10 20
Load (kN) C-d102t12-CH
C-d102t12-CN
0 4 8
0 10 20 30 4 D/t
0 0 0.04 0.08 0.12 0.16
ε
u圖4.33 圓管試體之寬厚比與極限載重應變關係圖
0 10 20 30 4
D/t 0 0
0.004 0.008 0.012 0.016
ε
u圖4.34 方管試體之寬厚比與極限載重應變關係圖
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