╙10࿁ ᭴ㅧ‛ߩⴣ᠄㗴ߦ㑐ߔࠆࠪࡦࡐࠫ࠙ࡓ⺰ᢥ㓸( 2010ᐕ12) ᧁቇળ
◲ᤃࡎ࡞࠳ߦࠃࠆࠦࡦࠢ࠻⎕⎈ᤨߩേ߭ߕߺ⸘᷹
Measurements of the dynamic strain on thr concrete block for fracture control blasting using the simple-type charge holders
✜ᣇ㓶ੑޔਭ↰჻㇢ޔಽ ޔਛ৻ޔട⮮ޔ ጊᶆ৻㇢ޔਛ⡡⏷ޔᨖᴛବ㓶********
Yuji Ogata, Shiro Kubota, Tei Saburi, Yuichi Nakamura, Masatoshi Kato, Ichiro Yamaura, Satoki Nakamura and Toshio Matsuzawa
*Ꮏඳ, ↥ᬺᛛⴚ✚ว⎇ⓥᚲ⊒↪↥ᬺࠣ࡞ࡊࠣ࡞ࡊ㐳㧔ޥ305-8569⨙ၔ⋵ߟߊ߫Ꮢዊ㊁Ꮉ16-1㧕
** Ꮏඳ㧘↥ᬺᛛⴚ✚ว⎇ⓥᚲ⊒↪↥ᬺࠣ࡞ࡊ⎇ⓥຬ㧔ޥ305-8569⨙ၔ⋵ߟߊ߫Ꮢዊ㊁Ꮉ16-1㧕
***Ꮏඳ㧘↥ᬺᛛⴚ✚ว⎇ⓥᚲ⊒↪↥ᬺࠣ࡞ࡊ⎇ⓥຬ㧔ޥ305-8569⨙ၔ⋵ߟߊ߫Ꮢዊ㊁Ꮉ16-1㧕
****Ꮏඳ,ᾢᧄ㜞ኾᢎޔᑪ▽␠ળ࠺ࠩࠗࡦᎿቇ⑼㧔ޥ866-8501ᾢᧄ⋵ઍᏒᐔጊᣂ↸2627㧕
*****Ꮏඳ,㧔ᩣ㧕᭴ㅧో⎇ⓥᚲޔᚲ㐳㧔ޥ181-0013᧲੩ㇺਃ㣔Ꮢਅㅪ㓴8-2-24㧕
******ᵗᑪ⸳㧔ᩣ㧕ㇱ㐳,ᑪ▽ࠛࡦࠫ࠾ࠕࡦࠣㇱ㧔ޥ112-8576᧲੩ㇺᢥ੩ᓟᭉ2-2-8㧕
*******ࠞࡗࠢࠫࡖࡄࡦᩣᑼળ␠ޔㇱ㐳ޔᛛⴚㇱ㧔ޥ130-0015᧲੩ㇺა↰ᮮ✂1-6-1㧕
********ࠞࡗࠢࠫࡖࡄࡦᩣᑼળ␠ޔၫⴕᓎຬ㧔ޥ30-0015᧲੩ㇺა↰ᮮ✂1-6-1㧕
Key Words㧦Simple-type charge holders, Blasting agent ,Dynamic strain, Full-scaled experiments
ࠠࡢ࠼㧦◲ᤃⵝ⮎ࡎ࡞࠳ޔࠦࡦࠢ࠻⎕⎈⮎ޔേ߭ߕߺ⸘᷹ޔታⷙᮨታ㛎
㧚 ߹߃߇߈
ࠦࡦࠢ࠻⎕⎈⮎ߪޔ৻⥸ߦࠛࡑ࡞࡚ࠪࡦ⮎╬ߩ
↥ᬺ↪⮎ߣᲧセߒߡΆㅦᐲ߇ㆃߊࠟࠬ⊒↢㊂߽ዋߥ
ߎߣ߆ࠄ᭴ㅧ‛╬ߩ⎕⎈ᤨߦ⊒↢ߔࠆ⋚ᝄേޔ⊒⎕
㛍㖸╬ࠍૐᷫߢ߈ࠆߎߣ߇⍮ࠄࠇߡࠆޕ߹ߚޔᓥ᧪ߩ ࡂࡦ࠼࠼࡞╬ߩ⸃ᯏེߦࠃࠆ⸃ᬺߣᲧセߒߡޔ
⸃Ꮏᦼߩ⍴❗ޔ⸃ࠛࡀ࡞ࠡᷫ╬ߩലᨐ߇ᦼᓙߐ ࠇߡࠆޕࠦࡦࠢ࠻⎕⎈ེߪޔࠆ৻ቯ㊂એਅߩᶖ
⾌㊂ߢߪޔᶖ⾌㒢߇✭ߐࠇߡࠆ1)ޕ
ߎߩߚᧄ⎇ⓥߢߪޔⅣႺૐ⽶⩄⸃Ꮏᴺߩ৻ߟߣߒ ߡ᧮㗡ಣℂᎿᴺ߳ߩࠦࡦࠢ࠻⎕⎈⮎ߩㆡ↪ࠍᬌ⸛
ߔࠆߚߦޔࠦࡦࠢ࠻ଏ⹜ߦࠃࠆ⎕⎈ታ㛎ࠍታᣉ ߒߚޕታ㛎ߢߪޔࠦࡦࠢ࠻ଏ⹜ߦ⊒↢ߔࠆⵚࠍ
ᓮߔࠆ⎕⎈Ꮏᴺߣߒߡ◲ᤃⵝ⮎ࡎ࡞࠳ߩㆡ↪ࠍᬌ
⸛ߒߚޕ◲ᤃࡎ࡞࠳ߦࠃࠆⵚᓮᴺߪޔ⎕⎈ሹߦ◲
ᤃࡎ࡞࠳ࠍ⸳⟎ߔࠆߎߣߢޔ⊒↢ߔࠆᔕജࠍᓮߔࠆ ᣇᴺߢࠅޔ⍱ᒻᣇะ߳ߩⵚㅴዷࠍഥ㐳ߔࠆߎߣ߇ታ 㛎⊛ߦ␜ߐࠇߡࠆ2)3)ޕ
ታ㛎ߢߪޔ◲ᤃࡎ࡞࠳ߦࠃࠆⵚᓮࠍᬌ⸛ߔࠆߚ
ߦޔ◲ᤃⵝ⮎ࡎ࡞࠳ߩᔕജ⁁ᘒ߅ࠃ߮ࠦࡦࠢ࠻
ଏ⹜ߩ⎕უ⁁ᴫࠍ⸃ߔࠆߚߦޔ◲ᤃࡎ࡞࠳ޔ㋕
╭ߣࠦࡦࠢ࠻ଏ⹜ߩ㕙ߦ߭ߕߺࠥࠫࠍ⾍ࠅ
ઃߌߡޔ߭ߕߺߩᄌൻ߅ࠃ߮ⵚߩㅴዷࠍ⸘᷹ߒߚߩߢޔ ߘߩ⚿ᨐࠍႎ๔ߔࠆޕ
㧞㧚߭ߕߺࠥࠫ⸳⟎⟎
ታ㛎ߢ↪ߒߚࠦࡦࠢ࠻ଏ⹜ߪޔ㋕╭ࠦࡦࠢ
࠻ߣή╭ࠦࡦࠢ࠻ࠍ↪ߒߚޕߒߚࠦࡦࠢ
࠻ଏ⹜ߪޔOOO ᄢ߈ߐߢࠅޔታⷙᮨ
ࠨࠗ࠭ߣߒߚޕή╭߅ࠃ߮㋕╭ࠦࡦࠢ࠻ଏ⹜ߦࠃ ࠆ⎕⎈ታ㛎ࠍߘࠇߙࠇ㧞࿁ታᣉߒߚޕ
߭ߕߺࠥࠫߩ⸳⟎⟎ߪޔ◲ᤃⵝ⮎ࡎ࡞࠳ߩᄖ
㕙ߩ㧞ࠞᚲߣ㋕╭ߩ㕙㧞ࠞᚲ߹ߚߪࠦࡦࠢ࠻
ߩ㕙ߦ⸳⟎ߒߚޕ◲ᤃⵝ⮎ࡎ࡞࠳ߪޔ⎕⎈⮎ߩਛᔃ ㇱߦㄭ◲ᤃࡎ࡞࠳ਅ㕙߆ࠄ OO ߣ OO ὐߩ㧞
▎ᚲߦ⸳⟎ߒߚޕࠦࡦࠢ࠻ౝㇱߩ㋕╭ߦߪޔਅ㕙߆ ࠄ OO ߣ OO ὐߦ⸳⟎ߒߚޕ߹ߚޔή╭ࠦࡦࠢ
࠻ߢߪޔ㋕╭ߩઍࠊࠅߦࠦࡦࠢ࠻ଏ⹜ߩ㕙ߩ
㕙ߣ㕙ߦ߭ߕߺࠥࠫࠍ⾍ࠅઃߌߚޕ◲ᤃⵝ⮎ࡎ࡞
࠳߅ࠃ߮㋕╭ߢߩ߭ߕߺࠥࠫ⸳⟎⟎ߩ⇛ࠍ࿑
㧙㧝ߦ␜ߔޕ߹ߚޔࠦࡦࠢ࠻ଏ⹜ߢߩ߭ߕߺࠥ
ࠫߩ⸳⟎⟎ࠍ࿑㧙㧞ߦ␜ߔޕࠦࡦࠢ࠻ଏ⹜ߩ
㪈㪇㪎
(20)
㕙ߦ⾍ࠅઃߌߚ߭ߕߺࠥࠫߪޔ◲ᤃⵝ⮎ࡎ࡞࠳
ߦࠃࠅ⎕ᢿߔࠆ੍ቯ✢ߦ⸳⟎ߒߚޕ◲ᤃࡎ࡞࠳
㕙ߢߪ߭ߕߺࠥࠫߪޔ⎕⎈⮎⸳⟎㕙ߣߪኻ㕙 ߦ߭ߕߺࠥࠫࠍ⸳⟎ߒߚޕ㧞ゲ߭ߕߺࠥࠫߩ⸳
⟎⁁ᴫࠍ࿑㧙㧟ߦ␜ߔޕ
↪ߒߚ߭ߕߺࠥࠫߪޔ㋕╭ߢߪࠥࠫ㐳㧝OO 㧝ゲޔ◲ᤃⵝ⮎ࡎ࡞࠳ߢߪޔࠥࠫ㐳 OO㧞ゲ߹
ߚߪ㧝ゲߢޔࠦࡦࠢ࠻㕙ߦߪޔࠥࠫ㐳 OO 㧝ゲߩ߭ߕߺࠥࠫࠍ↪ߒߚޕߘࠇߙࠇߩ߭ߕߺ
ࠥࠫߪޔࠛࡐࠠࠪ᮸⢽ߢ࿕ቯߒߚޕ 㧟㧚⸘᷹ᣇᴺ
േ߭ߕߺ⸘᷹ߢߪޔࡉ࠶ࠫࡏ࠶ࠢࠬߣേ߭ߕߺ ࠕࡦࡊ㧔㔚ᬺ %&8#㧦ᔕ╵ᵄᢙ㧦&%㨪-*\㧕 ࠍߒߡޔ࠺࠲ࠦ࠳㧔6'#% ␠ :.㧦ࠨ ࡦࡊ࡞࠻ -*\㧕ߢ⸘᷹ߒߚޕ߭ߕߺࠥࠫ↪
ߩࡉ࠶ࠫࡏ࠶ࠢࠬߣേ߭ߕߺࠕࡦࡊߩធ⛯ߪޔ߭
ߕߺ↪ࠪ࡞࠼ࠤࡉ࡞ࠍ↪ߚޕ߹ߚޔหᤨߦ⎕
680mm
100mm 300mm
ਅ
㕙
߭ߕߺ ࠥࠫԛ ߭ߕߺࠥࠫԜ 㕙 X
Y
880mm
300mm 300mm 280mm
ਅ
┵
┵
߭ߕߺࠥࠫԝޔԟޔԡ ߭ߕߺࠥࠫԞޔԠޔԢ
㋕╭
࿑㧙㧝 ◲ᤃࡎ࡞࠳߅ࠃ߮㋕╭ߢߩ߭ߕߺࠥࠫ⸳⟎⟎
ࠥ ࠫԝ ࠥ ࠫԞ ࠥ ࠫ ԟ
ࠥࠫ Ԣ
ࠥࠫ ԡ
ࠥ ࠫ Ԡ
ࠥ ࠫ ԣ 250mm
500mm
200mm
250mm 600m500mm
400mm
࿑㧙㧞 ࠦࡦࠢ࠻ଏ⹜ߢߩ⸳⟎⟎
࿑㧙㧟 ߭ߕߺࠥࠫ⸳⟎⁁ᴫ㧔◲ᤃࡎ࡞࠳㕙㧕
࿑㧠 ࠦࡦࠢ࠻ଏ⹜ߩ⎕ᢿ⁁ᴫ 2
㪈㪇㪏
⎈ᤨߦ⊒↢ߔࠆ⊒ⴣ᠄㖸ࠍ㖸ࡦࠨ
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㖸⸘ߩ⸳⟎⟎ߪޔ↪ߔࠆ⎕⎈⮎㊂ߩ
✚㊂߆ࠄ឵▚-୯߇㧔⚂O㧕ޔ㧔⚂O㧕ޔ 㧔⚂ O㧕ߩὐߩ㧟ࠞᚲߢ⸘᷹ߒߚޕ 㖸⸘᷹࠺࠲߽หᤨߦ࠺࠲ࠦ࠳
ߢ⸘᷹ߒߚޕ 㧠㧚⸘᷹⚿ᨐ
ታ㛎ߢߪޔή╭߅ࠃ߮㋕╭ࠦࡦࠢ࠻ଏ
⹜ߦࠃࠆ⎕⎈ታ㛎ࠍታᣉߒޔߘࠇߙࠇ㧞࿁
ߩታ㛎ߢ߶߷੍ቯㅢࠅߩ⎕ᢿ㕙ࠍᒻᚑߒߡ
ಾᢿߔࠆߎߣ߇ߢ߈ࠆߎߣࠍ⏕ߒߚޕࠦࡦ
ࠢ࠻ଏ⹜ߩ⎕ᢿ⁁ᴫࠍ࿑̆㧠ߦ␜ߔޕ
߶߷ޔಾᢿ੍ቯ✢ߦⵚ߇ㅴዷߒޔ⸳⟎ߒ ߚ߭ߕߺࠥࠫࠍಾᢿߒޔࠦࡦࠢ࠻ଏ⹜
߇⎕ᢿߒߡࠆߎߣ߇ಽ߆ࠆޕ߹ߚޔࠦࡦ
ࠢ࠻ଏ⹜ߩ⎕⎈ߦࠃࠆ㘧ᢔ‛߽⊒↢
ߒߡߥޕ
㧠㧚㧝 ߭ߕߺ⸘᷹⚿ᨐ
߭ߕߺ⸘᷹⚿ᨐࠦࡦࠢ࠻ଏ⹜ߩⵝ
⮎ࡎ࡞࠳ߦ⸳⟎ߒߚ߭ߕߺߩ⸘᷹⚿ᨐߩ
৻ࠍ࿑㧙㧡ߦ␜ߔޕ࿑㧙㧡ߪޔⵝ⮎ࡎ࡞࠳
ߩᏀߩ⸘᷹⚿ᨐߢࠆ߇ޔࡎ࡞࠳ਅㇱ 㧔㧯㧯㧾ㇱ㧦࿑ਛߩ㤥✢ # ߣ㕍✢ $㧕ߩᮮᣇ ะߩᒁᒛᄌᒻ߇ᄢ߈ߎߣ߇ಽ߆ࠅޔ᳗ਭ߭
ߕߺ㧔႟ᕈᄌᒻ㧕ߣߒߡᱷࠆߎߣ߇ಽ߆ࠆޕ
߹ߚޔ◲ᤃⵝ⮎ࡎ࡞࠳߇⎕⎈⮎ߩ⤘ᒛࠟࠬ
ߦࠃࠅᐢ߇ࠆߎߣ߆ࠄᲧセ⊛ࠁߞߊࠅߣᒁ ᒛ⁁ᘒߦߥࠆߎߣࠍ␜ߒߚޕߎࠇߪޔ⎕⎈⮎
ߩⴣ᠄ࠃࠅ⊒↢ߒߚ⤘ᒛࠟࠬߩᓇ㗀ߦࠃ ࠅޔ◲ᤃࡎ࡞࠳߇ᄌᒻߒߚߣផቯߢ߈ࠆޕ
⎕⎈⮎ㄭறߢߪޔ◲ᤃࡎ࡞࠳ߩᮮᣇะߩᄌ ᒻ߇ޔ❑ᣇะࠃࠅᄢ߈߈ߎߣ߇ಽ߆ࠆޕ
ࡎ࡞࠳ㇱߩ߭ߕߺᄌൻ㧔࿑ਛߩ✛✢%㧕 ߪޔᒁᒛ❗ߣᝄേߔࠆ⒟ᐲߢࠅޔᄢ߈ ߥ߭ߕߺᄌൻߣߪߥࠄߥ߆ߞߚ߇ޔᣢߦⵚ ߇ㅴዷߒߡࠆߎߣ߇੍᷹ߢ߈ࠆޕ◲ᤃࡎ࡞
࠳ߢߩ߭ߕߺߩᄌൻߪޔታ㛎ᓟߦ࿁ߒߚ
◲ᤃࡎ࡞࠳ߩ⁁ᘒ߇ޔ㧯㧯㧾ⵝ⮎ㇱಽ߇ᄢ ߈ߊᄌᒻߒߡࠆ⁁ᴫߦ৻⥌ߒߡࠆޕ
ࠦࡦࠢ࠻㕙ߦ⾍ࠅઃߌߚ߭ߕߺ᷹ቯ⚿ᨐࠍ࿑
㧢ߦ␜ߔޕ࿑㧙㧢ߪࠦࡦࠢ࠻ଏ⹜ߩ㕙ߦ⾍ࠅઃ
ߌߚ߭ߕߺ᷹ቯ⚿ᨐߢࠅޔࠥࠫ⇟ภԝߣԞ߇߶߷ห
ᤨߦ⎕ᢿߒޔ⚂2.0msec⒟ᐲㆃࠇߡࠥࠫԟ߇⎕ᢿߔࠆޕ ߎߩ⚿ᨐߪޔⵝ⮎ࡎ࡞࠳ߩ߭ߕߺ⁁ᘒ߆ࠄฝߩⵝ⮎
߇వߦߒߚ⁁ᴫߦ৻⥌ߒޔࠦࡦࠢ࠻㕙ߦ߽
ⵚ߇ㅴዷߒ⊒↢ߒߚߎߣ߇ಽ߆ࠆޕࠦࡦࠢ࠻ଏ⹜
ߩ㕙ߦ⾍ࠅઃߌߚ߭ߕߺ᷹ቯ⚿ᨐࠍ࿑㧙㧣␜ߔޕⵝ⮎
ὐߦㄭޔࠥࠫ⇟ภԣ߇ᦨೋߦ⎕ᢿߔࠆޕ߹ߚޔԠޔ ԡޔԢߪޔᒁߞᒛࠅ⁁ᘒߣߥࠅㆃࠇߡ⎕ᢿߔࠆޕ⎕⎈⮎
ߩⵝ⮎⟎ߦㄭ႐ᚲ߆ࠄⵚߩㅴዷߪᆎ߹ߞߚߎߣ ߇ផቯߢ߈ࠆޕ
0 10 20 30 40 50
-5000 0 5000
time(msec)
Strain(u)
Under-X Max=5,600 Under-Y Max= 960 Upper-X Max= 810 A
B
C
࿑㧙㧡 ◲ᤃⵝ⮎ࡎ࡞࠳ߩ߭ߕߺ
15 20 25 30
-4000 -2000 0 2000 4000
time(msec)
Strain(u)
Ch06 Ch07 Ch08
ԝ Ԟ
ԟ
࿑㧙㧢 ࠦࡦࠢ࠻㕙ߩ߭ߕߺ⸘᷹⚿ᨐ㧔㕙㧕
15 20 25 30
-2000 -1000 0 1000 2000
time(msec)
Strain(u)
Ch09 Ch10 Ch11 Ch12
ԣ ԠԡԢ
࿑㧙㧣 ࠦࡦࠢ࠻㕙ߩ߭ߕߺ⸘᷹⚿ᨐ㧔㕙㧕
㪈㪇㪐
ࠦࡦࠢ࠻ଏ⹜ߩౝㇱ㋕╭ߦ⾍ࠅઃߌߚ߭ߕߺ
ࠥࠫߪޔ⎕⎈⮎ߩߣ߶߷หᤨߦᔕߒޔᒁᒛ
❗ࠍ➅ࠅߔߎߣ߇ޔ㋕╭߇ಾᢿߐࠇࠆ⁁ᴫߦߥߞߡ
ߥߎߣ߇ಽ߆ࠆޕߎࠇߪޔ⮎ࠍ↪ߒߚ⎕უታ㛎⚿
ᨐߣᲧセߒߡޔࠦࡦࠢ࠻ଏ⹜߇ࠁߞߊࠅߣ⎕⎈ߒ ߚ߽ߩߣផቯߢ߈ࠆޕߎߩߎߣ߆ࠄࠦࡦࠢ࠻⎕⎈
⮎ߦࠃࠆ⎕⎈ߢߪޔ⎕⎈⮎߆ࠄ⊒↢ߔࠆ⤘ᒛࠟࠬߦࠃࠆ
⎕⎈߇ਥߢࠆߎߣ߇ផቯߢ߈ࠆޕ
㧠㧚㧞 㖸⸘᷹⚿ᨐ
⊒↢ߒߚ㖸ߪޔജࡌ࡞߇ᕆỗߦߔࠆⴣ᠄㖸 ߢߞߚޕḮㄭறߩജ߇㕖Ᏹߦ㜞ߊޔ〒㔌ߦࠃࠅᕆ ỗߦᷫߔࠆߎߣࠍ␜ߒߚޕ߹ߚޔ- ὐߢߪ F$
એߩ㖸ߣߥߞߚޕḮㄭறߢߪ㜞㖸⁁ᘒߦߥࠆ ߎߣࠍ␜ߒߚޕߒ߆ߒޔ㜞ᵄߩᵄേߢࠅޔዊ⮎㊂ߢ
ࠆߎߣ߆ࠄޔࠆ⒟ᐲߩ〒㔌߇ࠇ߫ޔᕆỗߦᷫߒޔ
⎕⎈⮎⥄ߩ⊒ߣᲧセߒߡૐߊᛥ߃ࠄࠇࠆߎߣࠍ␜
ߒߚޕ߹ߚޔ㒐㖸ࡑ࠶࠻ࠪ࠻╬ߦࠃࠆ㒐㖸ភ⟎ࠍ ᣉߔߎߣߢޔචಽߦᛥ߃ࠄࠇࠆߣᕁࠊࠇࠆޕ⸘᷹ߒߚ㖸
ᵄᒻߣ㖸ߩ〒㔌ᷫࠍ࿑㧙㧤ߣ࿑̆㧥ߦ␜ߔޕ 㧡㧚 ߹ߣ
ⅣႺૐ⽶⩄⸃Ꮏᴺߣߒߡޔࠦࡦࠢ࠻⎕⎈⮎ߦࠃ ࠆࠦࡦࠢ࠻ଏ⹜ߩ⎕⎈ታ㛎ࠍታᣉߒޔ◲ᤃⵝ⮎ࡎ
࡞࠳ࠍ↪ߔࠆߎߣߢᗐቯㅢࠅߩⵚࠍ⊒↢ߐߖࠆ ߎߣ߇ߢ߈ࠆߎߣࠍ⏕ߒߚޕࠦࡦࠢ࠻ଏ⹜ߩ⎕
⎈ᤨߩേ߭ߕߺ⸘᷹߅ࠃ߮㖸⸘᷹߆ࠄએਅߩߎߣ߇
್ߒߚޕ
㧝㧚⎕⎈ᤨߩേ߭ߕߺ⸘᷹߆ࠄ◲ᤃⵝ⮎ࡎ࡞࠳ߢߪޔ
⎕⎈⮎ߩㄭறߢᄢ߈ߊ⤘ᒛߒޔ⊒↢ࠟࠬߢⵚࠍ⊒
↢ߐࠇࠆߣផቯߢ߈ࠆޕ߹ߚޔታ㛎ᓟߩ⎕უ⁁ᴫߣ
ࠦࡦࠢ࠻ଏ⹜ߩ㕙ߦ⾍ࠅઃߌߡ߭ߕߺࠥ
ࠫߩ⸘᷹⚿ᨐ߆ࠄ◲ᤃⵝ⮎ࡎ࡞࠳ߦࠃࠅⵚ ߇ㅴዷࠍᓮߢ߈ࠆߎߣࠍ␜ߒߚޕ
㧞㧚㖸⸘᷹ߢߪޔḮㄭறߢߪᄢ߈ߥ୯ࠍ␜ߒߚ߇ޔ
〒㔌ߦࠃࠅᕆỗߦᷫߔࠆߎߣࠍ␜ߒߚޕ↥ᬺ↪
⮎ߦࠃࠆ㖸ࠃࠅૐߊߥࠅޔⅣႺૐ⽶⩄⸃߇น⢻
ߢࠆߎߣࠍ␜ߒߚޕ
ᓟߪޔታ㓙ߩ᧮㗡ಣℂᎿᴺ߳ߩㆡ↪ࠍᬌ⸛ߔࠆ੍ቯ ߢࠆޕ
⻢ㄉ
ᧄ⎇ⓥߩታᣉߦߚߞߡߪޔઍ㜞ኾ㧔ᾢᧄ㜞ኾ㧕ޔ
ᵗᑪ⸳㧔ᩣ㧕ޔࠞࡗࠢࠫࡖࡄࡦ㧔ᩣ㧕ߣ↥✚⎇ߩ
ห⎇ⓥߢታᣉߒߚ߽ߩߢࠅޔ㑐ଥฦߦᗵ⻢ߩᗧࠍ
ߒ߹ߔޕ
ෳ⠨ᢥ₂
Ἣ⮎㘃ข✦ᴺ╙㧞᧦╙㧝㗄╙㧝ภߩࡂ
ਛ৻ޔട⮮ޔ✜ᣇ㓶ੑޔጊᧄ㓷ᤘޔᨖᴛବ㓶ޔ
᧮㗡ߩേ⊛⎕⎈ಣℂᎿᴺߩ㐿⊒ޔᐔᚑ ᐕᐲᧁቇળ
ㇱᡰㇱᛛⴚ⊒⺰ᢥ㓸ޔRR
ട⮮ޔਛ৻ޔ✜ᣇ㓶ੑޔ⠃ ਭᐘޔਛ⡡⏷ޔ ጊᧄ㓷ᤘޔࠦࡦࠢ࠻⎕⎈ེߣⵝ⮎ࡎ࡞࠳ࠍ↪ߚ
ࠦࡦࠢ࠻᭴ㅧ‛ߩ⎕⎈ᑼޔᐔᚑ ᐕᐲἫ⮎ቇળ⑺ ቄ⎇ⓥ⊒ળ⻠Ṷⷐᣦ㓸ޔRRޕ
;1ICVC5-WDQVCCPF65CDWTK̍6JGUVTCKP OGCUWTGOGPVQHTGKPHQTEGFEQPETGVGYCNNWPFGTVJG DNCUVKORCEVNQCFKPI̍2416'%6ޔ
✜ᣇ㓶ੑޔਭ↰჻㇢ޔಽ ޔട⮮ޔਛ
⡡⏷ޔᨖᴛବ㓶ޔ⠃ ᐘਭޔਛ৻ޔࠦࡦࠢ࠻⎕
⎈⮎߮⮎ߦࠃࠆࡕ࡞࠲࡞ࡉࡠ࠶ࠢ⎕⎈ታ㛎ޔᐔᚑ ᐕᐲἫ⮎ቇળ⑺ቄ⎇ⓥ⊒ળ⻠Ṷⷐᣦ㓸ޔRRޔ
0 100 200
-400 -200 0 200 400
time(msec)
Pressure(Pa)
M-01 Max=319Pa t1=65.54ms EX02
0 100 200
-400 -200 0 200 400
Pressure(Pa)
time(msec) M-02 Max=153Pa t2=76.31ms
0 100 200
-400 -200 0 200 400
time(msec)
Pressure(Pa)
M-03 X-Max=52.8Pa t3=99.65ms
࿑㧤 ⸘᷹ߒߚ㖸ᵄᒻ
0 10 20
100 110 120 130 140 150
Distance(m)
dB
EX02
࿑㧥 㖸⸘᷹⚿ᨐ
㪈㪈㪇
