Hasan Ghasemzadeh 1
ﻢﺘﺴﻴﺳ ﻲﻧﺎﻤﺘﺧﺎﺳ
JK
1
Hasan Ghasemzadeh
نﺎﻤ ﺎﺳ ﺖ ﻦﻮ ی یروآ ﻦ
http://sahand.kntu.ac.ir/~ghasemzadeh/indexfa.html
K.N.TOOSI University of Technology
Joseph Keefer
ﺐﻟﺎﻄﻣ ﺖﺳﺮﻬﻓ
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ •
JK
ﺐﻳﺎﻌﻣ و ﺎﻳاﺰﻣ • هزﺎﺳ ياﺮﺟا شور • ﺎﻫ هژوﺮﭘ ﻪﻧﻮﻤﻧ • ﺎﻫدﺮﺑرﺎﻛ • ﺎﻫ ﻪﻳﺪﻴﻳﺄﺗ •
5/26/2015 K.N. Toosi University of Technology 2
Hasan Ghasemzadeh 2
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
ﻦﻳا ﻦﻓ يروآ ﺖﻓﺎﺑزا دﻻﻮﻓ ﺖﻳﻮﻘﺗ ﻞﻜﺸﺘﻣهﺪﺷ
ﺖﺳا ﻪﻛ ﺎﺑ ﻖﻳرﺰﺗ ﻦﺘﺑ ﻚﺒﺳ ﻪﺑ نورد
ﻦﻳا ﺖﻓﺎﺑ
، مﺎﻜﺤﺘﺳا و ﻲﮕﭼرﺎﭙﻜﻳ ﺮﺼﺤﻨﻣ
ﻪﺑ يدﺮﻓ ياﺮﺑ ﺮﻫ عﻮﻧ هزﺎﺳ ﻪﺑ دﻮﺟو ﻲﻣ دروآ .
ﻪﺑ ﻦﻴﻤﻫ ﻞﻴﻟد يزﺎﻴﻧ ﻪﺑ
JK STRUCTURE ﻚﻳ
يژﻮﻟﻮﻨﻜﺗ ﺪﻳﺪﺟ
رد ﺖﻌﻨﺻ نﺎﻤﺘﺧﺎﺳ يزﺎﺳ ﺖﺳا ﻪﻛ رد
لﺎﺳ 1984 ﻂﺳﻮﺗ سﺪﻨﻬﻣ Joseph Keefer رد
رﻮﺸﻛ ﻪﺴﻧاﺮﻓ ﺪﻟﻮﺘﻣ هﺪﺷ و ﻢﻫ نﻮﻨﻛا
ﻪﺑ ناﻮﻨﻋ ﻚﻳ شور ﺖﺧﺎﺳ و زﺎﺳ ﻊﻳﺮﺳ و موﺎﻘﻣ رد ﻪﺻﺮﻋ ﻦﻴﺑ ﻲﻠﻠﻤﻟا درﻮﻣ هﺮﻬﺑ يرادﺮﺑ
راﺮﻗ ﻲﻣ دﺮﻴﮔ .
يﺪﻨﺑ ﺖﻠﻜﺳا دراﺪﻧ
. يﺎﻫ هزﺎﺳ ﻦﻴﻨﭽﻤﻫ
هژوﺮــﭘ ﻞــﺤﻣ رد ﻞــﻣﺎﻛ رﻮــﻃ ﻪــﺑ يدﻻﻮــﻓ ﻞــﺤﻣ ﻪــﺑ ﺐــﺼﻧ ياﺮــﺑ و هﺪــﺷ ﻞــﻴﻤﻜﺗ ﺪﻧﻮﺷ ﻲﻣ هداد لﺎﻘﺘﻧا نﺎﻤﺘﺧﺎﺳ .
5/26/2015 K.N. Toosi University of Technology 3
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
تﺎﺸﻳﺎﻣزآ ﻲﻧﺎﻬﺟ
نﺎﺸﻧ ﻲﻣ ﺪﻨﻫد هزﺎﺳ يﺎﻫ ﻦﻳا يژﻮﻟﻮﻨﻜﺗ رد
ﻞﺑﺎﻘﻣ ﻪﻟﺰﻟز ﻞﻴﺳ ،
،
نﺎﻓﻮﻃ و ﻼﻣﺎﻛﻖﻳﺮﺣ موﺎﻘﻣ ﺪﻨﺘﺴﻫ . و زا ﻦﻳا تﺎﻬﺟ درﻮﻣ ﺪﻴﻳﺄﺗ ﺰﻛﺮﻣ تﺎﻌﻟﺎﻄﻣ
نﺎﻤﺘﺧﺎﺳ و
ناﺮﻤﻋ ﻪﺴﻧاﺮﻓ
، ﺰﻛﺮﻣ ﻲﻟﺎﻋ نﻮﻨﻓ نﺎﻤﺘﺧﺎﺳ ﻪﺴﻧاﺮﻓ
، ﺖﻛﺮﺷ
ﻲﻠﻣ هار ﻦﻫآ ﻪﺴﻧاﺮﻓ
، ترازو تاﺰﻴﻬﺠﺗ ﻲﻨﻓ
ﻞﻧﻮﺗ ﻪﺴﻧاﺮﻓ و ﻦﻴﻨﭽﻤﻫ ﺰﻛﺮﻣ
تﺎﻘﻴﻘﺤﺗ نﺎﻤﺘﺧﺎﺳ
و ﻦﻜﺴﻣ ناﺮﻳا ﻲﻣ ﺪﺷﺎﺑ .
هوﻼﻋ ﺮﺑ ﺖﻳﺰﻣ يﺎﻫ ﻻﺎﺑ
، ﻪﻓﺮﺻ ﻲﻳﻮﺟ رد
فﺮﺼﻣ ﻦﺘﺑ
، مﺪﻋ زﺎﻴﻧ ﻪﺑ يوﺮﻴﻧ ﻲﻧﺎﺴﻧا
ﺺﺼﺨﺘﻣ و
داﺪﻌﺗﺮﭘ
، ﺶﻫﺎﻛ زﺎﻴﻧ ﻪﺑ تاﺰﻴﻬﺠﺗ
ﻦﻴﮕﻨﺳ و هﺪﻴﭽﻴﭘ و ...
ﺚﻋﺎﺑ هﺪﺷ ﻦﻳا يژﻮﻟﻮﻨﻜﺗ
زا يﻮﺳ ﻊﺟاﺮﻣ ﻲﻧﺎﻬﺟ ﻮﻜﺴﻧﻮﻳنﻮﭼ
ﻪﺑ ناﻮﻋ
يژﻮﻟﻮﻨﻜﺗ ﻚﻳ ﺮﺗﺮﺑ
رد ﻪﻨﻴﻣز ﺖﺧﺎﺳ و
زﺎﺳ درﻮﻣﻊﻳﺮﺳ
ﺮﻳﺪﻘﺗ راﺮﻗ دﺮﻴﮔ .
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Hasan Ghasemzadeh 3
تاﺰﻳﺎﻤﺗ و ﺎﻫ ﺖﻳﺰﻣ
هدﺎﻔﺘﺳا • ﻪﻨﻴﻬﺑ زا ﺢﻟﺎﺼﻣ ﻲﻧﺎﻤﺘﺧﺎﺳ ﻪﺑ
يرﻮﻃ ﻪﻛ رد ﻚﻳ ﻊﺑﺮﻣﺮﺘﻣ هزﺎﺳ ﻪﺑ يﺎﺟ هدﺎﻔﺘﺳا زا
60 مﺮﮔﻮﻠﻴﻛ دﻻﻮﻓ
ﺎﺑ هدﺎﻔﺘﺳا زا ﻦﻳا يژﻮﻟﻮﻨﻜﺗ ﺮﺜﻛاﺪﺣ
زﺎﻴﻧ ﻪﺑ 15 مﺮﮔﻮﻠﻴﻛ دﻻﻮﻓ
ﻲﻣ
ﺪﺷﺎﺑ .
ﻪﺑ • ﻞﻴﻟد رﺎﺘﺧﺎﺳ ﻪﭼرﺎﭙﻜﻳ هزﺎﺳ يﺎﻫ ﻦﻳا يژﻮﻟﻮﻨﻜﺗ رد
ترﻮﺻ زوﺮﺑ ﻪﻟﺰﻟز و ﺮﻳﺎﺳ ثداﻮﺣ
ﻲﻌﻴﺒﻃ ﻪﻧﻮﮕﭽﻴﻫ ﻲﺷﺰﻳر
قﺎﻔﺗا ﻲﻤﻧ ﺪﺘﻓا و هزﺎﺳ يﺎﻫ اﺮﺟا هﺪﺷ ﻪﺑ ﻦﻳا شور
ًﻼﻣﺎﻛ ﺪﺿ
ﻪﻟﺰﻟز ﺪﻫاﻮﺧ دﻮﺑ .
هدﺎﻔﺘﺳا • ﻪﻨﻴﻬﺑ زا ﺢﻟﺎﺼﻣ و مﺪﻋ زﺎﻴﻧ ﻪﺑ ﻦﻴﺷﺎﻣ تﻻآ ﻦﻴﮕﻨﺳ ﻲﻧﺎﻤﺘﺧﺎﺳ و
ﺖﻋﺮﺳ ياﺮﺟا
رﺎﻴﺴﺑ ﻻﺎﺑ ﻲﮕﻤﻫ زا ﻲﻠﻣاﻮﻋ ﺖﺳا ﻪﻛ رد ﺖﻳﺎﻬﻧ ﻪﺑ ﺶﻫﺎﻛ ﺖﻤﻴﻗ مﺎﻤﺗ هﺪﺷ ﻲﻣ ﺪﻣﺎﺠﻧا .
ﻦﻳا • ﻢﺘﺴﻴﺳ زا ﺖﻬﺟ اﺮﺟا
ًﻼﻣﺎﻛ ﻲﺑ زﺎﻴﻧ زا يوﺮﻴﻧ ﺺﺼﺨﺘﻣ و
ﺎﺑ ﻪﺑﺮﺠﺗ ﺖﺳا و ﺪﻨﭼ
ﺖﻋﺎﺳ شزﻮﻣآ ياﺮﺑ ﻲﮔدﺎﻣآ يﺎﻫوﺮﻴﻧ ﻲﻳاﺮﺟا ﻲﻓﺎﻛ ﻲﻣ ﺪﺷﺎﺑ .
5/26/2015 K.N. Toosi University of Technology 5
ﺐﻳﺎﻌﻣ و ﺎﻳاﺰﻣ
ﺖﻋﺮﺳ • اﺮﺟا رد ﻦﻳا شور ﻪﺑ يﻮﺤﻧ ﺖﺳا ﻪﻛ ﺎﺑ ﻚﻳ ﭗﻴﻛا 5 هﺮﻔﻧ ﺎﺑ تاﺰﻴﻬﺠﺗ ﻞﻣﺎﻛ
ﻲﻣ
ناﻮﺗ ﻪﺑ رﻮﻃ ﻂﺳﻮﺘﻣ يزور ﻚﻳ نﺎﻤﺗرﺎﭘآ 100 يﺮﺘﻣ ﺪﻴﻟﻮﺗ و ﻞﻳﻮﺤﺗ داد .
ﺖﻟﻮﻬﺳ • رد ﻞﻤﺣ و ﻞﻘﻧ زا ﻲﮔﮋﻳو يﺎﻫ ﻪﺘﺴﺟﺮﺑ ﻦﻳا عاﺮﺘﺧا ﻲﻣ ﺪﺷﺎﺑ . ﻪﺑ يرﻮﻃ ﻪﻛ ﻚﻳ
ﺖﻟﺎﭘ زا هزﺎﺳ يﺎﻫ ﻚﺒﺸﻣ يدﻻﻮﻓ ياﺮﺑ ﺖﺧﺎﺳ ﻚﻳ يﻼﻳو 180 ﻲﻌﺑﺮﻣﺮﺘﻣ ﻲﻓﺎﻛ
ﻲﻣ
ﺪﺷﺎﺑ و ﺎﺑ رد ﺮﻈﻧ ﻦﺘﻓﺮﮔ ﺖﻴﻓﺮﻇ يﺮﻴﮔرﺎﺑ ﺮﻫ نﻮﻴﻣﺎﻛ ﻪﺑ ناﺰﻴﻣ 18 ﺖﻟﺎﭘ ﻲﻣ ناﻮﺗ 18
ﺪﺣاو يﻼﻳو 180 ﻲﻌﺑﺮﻣﺮﺘﻣ ﺖﺧﺎﺳ
.
ﻦﻳا • عاﺮﺘﺧا يزﺎﻴﻧ ﻪﺑ ﺢﻟﺎﺼﻣ ﻲﺘﻨﺳ نﻮﭼ ﻦﻫآﺮﻴﺗ لﺎﻔﺳ–
ﺮﺟآ– ﻦﺷ– و ...
دراﺪﻧ
رد • ترﻮﺻ هدﺎﻔﺘﺳا زا ﻦﺘﺑ ﻚﺒﺳ ﻲﺒﻴﻛﺮﺗ ﻪﺑ هاﺮﻤﻫ ﻲﻠﭘ نﺮﻳﺎﺘﺳا يزﺎﻴﻧ ﻪﺑ ﻖﻳﺎﻋ يرﺎﻛ ﺰﻴﻧ
ﺪﻫاﻮﺨﻧ دﻮﺑ .
5/26/2015 K.N. Toosi University of Technology 6
Hasan Ghasemzadeh 4 ﻊﻳﺮﺳ رﺎﻴﺴﺑ ياﺮﺟا •
) زا هزﺎﺳ عﻮﻧ ﻪﺑ ﻪﺘﺴﺑ 2
ﺎﺗ ﻪﺘﻔﻫ 3 - 4 يزﺎﺳ هﻮﺒﻧا يﺎﻫ هژوﺮﭘ ياﺮﺑ هﺎﻣ (
اﺮﺟا نﺎﻣز نﺪﻣآ ﻦﻴﻳﺎﭘ ﻪﺠﻴﺘﻧ رد يراﺬﮔ ﻪﻳﺎﻣﺮﺳ ﻚﺴﻳر و ﺎﻫ ﻪﻨﻳﺰﻫ ﺶﻫﺎﻛ و ﻻﺎﺑ يدﺎﺼﺘﻗا ﻪﻓﺮﺻ • هزﺎﺳ ﻞﺧاد ﻲﺸﻛ ﻢﻴﺳ و ﻪﻟﻮﻟ ﻪﻴﺒﻌﺗ رد ﺖﻟﻮﻬﺳ • بﻮﭼرﺎﭼ و يﺪﻨﺑ ﺖﻠﻜﺳا ﻪﺑ زﺎﻴﻧ مﺪﻋ • هزﺎﺳ ﻪﻧﺪﺑ ندﻮﺑ ﻪﭼرﺎﭙﻜﻳ • ﺺﺼﺨﺘﻣ ﻲﻧﺎﺴﻧا يوﺮﻴﻧ ﻪﺑ زﺎﻴﻧ مﺪﻋ • عﻮﻨﺘﻣ يرﺎﻤﻌﻣ يﺎﻫ حﺮﻃ رد اﺮﺟا ﺖﻴﻠﺑﺎﻗ • ﻦﻴﮕﻨﺳ تﻻآ ﻦﻴﺷﺎﻣ و هﺪﻴﭽﻴﭘ تاﺰﻴﻬﺠﺗ زا هدﺎﻔﺘﺳا ﺶﻫﺎﻛ • ﻲﺻﺎﺼﺘﺧا لﻮﻣﺮﻓ ﺎﺑ ﻚﺒﺳ ﻦﺘﺑ زا هدﺎﻔﺘﺳا • ﻦﺘﺑ رد ﻪﺘﻓر رﺎﻛ ﻪﺑ ﺢﻟﺎﺼﻣ رد ﻲﻳﻮﺟ ﻪﻓﺮﺻ •
5/26/2015 K.N. Toosi University of Technology 7
ﺐﻳﺎﻌﻣ و ﺎﻳاﺰﻣ
ﻪﻟﺰﻟز ﺪﺿ ًﻼﻣﺎﻛ ، ﻲﻜﻴﻧﺎﻜﻣ يﻻﺎﺑ ﺖﻣوﺎﻘﻣ • نﺎﻓﻮﻃ و ﻞﻴﺳ ﺮﺑاﺮﺑ رد موﺎﻘﻣ • لواﺪﺘﻣ يﺎﻫ هزﺎﺳ زا ﺮﺘﻜﺒﺳ ﺮﺑاﺮﺑ ﻪﺳ • ﺖﺑﻮﻃر ﺮﺑاﺮﺑ رد موﺎﻘﻣ • تﻮﺻ ﻖﻳﺎﻋ • )
ﺮﺟآ نﻮﭼ ﻲﺘﻨﺳ ﺢﻟﺎﺼﻣ زا ﺮﺘﺸﻴﺑ ﺮﺑاﺮﺑ ود (
تراﺮﺣ ﻖﻳﺎﻋ • )
ﻲﺘﻨﺳ ﺢﻟﺎﺼﻣ زا ﺮﺘﺸﻴﺑ ﺮﺑاﺮﺑ ﺖﻔﻫ (
• ﻲﻠﻠﻤﻟا ﻦﻴﺑ يﺎﻫ ﻪﻳﺪﻴﻳﺄﺗ ياراد ﻲﺋﺎﻴﻤﻴﺷ تاﺪﻳﺪﻬﺗ ﻞﺑﺎﻘﻣ رد تﺎﺒﺛ ﺎﺑ •
هزﺎﺳ يﻻﺎﺑ ماود و ﺖﻴﻔﻴﻛ • ﺎﻫ هزﺎﺳ ﻲﻧﻻﻮﻃ ﺮﻤﻋ • )
ﻪﻣرآ ﻦﺘﺑ يﺎﻫ هزﺎﺳ ﺎﺑ ﺮﺑاﺮﺑ ﻞﻗاﺪﺣ (
ﻲﻧﺎﻤﺘﺧﺎﺳ ﺢﻟﺎﺼﻣ تﺮﭘ ﺶﻫﺎﻛ •
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ﺐﻳﺎﻌﻣ و ﺎﻳاﺰﻣ
Hasan Ghasemzadeh 5
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
ﺖﺳا ﺮﻳز حﺮﺷ ﻪﺑ ﻢﺘﺴﻴﺳ ﻦﻳا هﺪﻨﻫد ﻞﻴﻜﺸﺗ ياﺰﺟا :
ﻢﻴﺑ • (
beam)
ﻞﻨﭘ • (
panel)
ﻚﺒﺳ ﻦﺘﺑ •
(alleviated concrete)
ﻲﻏﺮﻣ يرﻮﺗ و هﺰﻴﻧاﻮﻟﺎﮔ لﻮﺘﻔﻣ •
(galvanized wire mesh)
5/26/2015 K.N. Toosi University of Technology 9
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
ﺮﻳز تﺎﺼﺨﺸﻣ ﺎﺑ هﺰﻴﻧاﻮﻟﺎﮔ يﺎﭘﺮﺧ زا ﻞﻜﺸﺘﻣ ﺖﺴﻳا هزﺎﺳ :
ﺮﻄﻗ ﻪﺑ هﺰﻴﻧاﻮﻟﺎﮔ لﻮﺘﻔﻣ • 5
ﺮﺘﻣ ﻲﻠﻴﻣ
لﻮﻃ • : 6 ﺮﺘﻣ
نزو • : 5 مﺮﮔﻮﻠﻴﻛ
عﺎﻔﺗرا • : 4 ﺎﺗ 8 ﺮﺘﻣ ﻲﺘﻧﺎﺳ
ﻢﻴﺑ (beam)
5/26/2015 K.N. Toosi University of Technology 10
Hasan Ghasemzadeh 6
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
ﻞﻨﭘ دراﺪﻧﺎﺘﺳا دﺎﻌﺑا :
عﺎﻔﺗرا • : 300 ﺮﺘﻣ ﻲﺘﻧﺎﺳ
ضﺮﻋ • : 120 ﺮﻨﻣ ﻲﺘﻧﺎﺳ
ﺖﻣﺎﺨﺿ • :
8 ﺮﺘﻣ ﻲﺘﻧﺎﺳ
هﺰﻴﻧاﻮﻟﺎﮔ قرو ﺖﻣﺎﺨﺿ • :
1/2 ﺮﺘﻣ ﻲﻠﻴﻣ
(panel) ﻞﻨﭘ
5/26/2015 K.N. Toosi University of Technology 11
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
ﻦﺘﺑ هﺪﻨﻫد ﻞﻴﻜﺸﺗ ياﺰﺟا :
يدﺎﺑ ﻪﺳﺎﻣ • نﺎﻤﻴﺳ • نﺮﻳﺎﺘﺳا ﻲﻠﭘ • ﻦﻠﻴﭘوﺮﭘ ﻲﻠﭘ فﺎﻴﻟا • ﮏﺒﺳ ﻦﺘﺑ
(alleviated concrete)
5/26/2015 K.N. Toosi University of Technology 12
Hasan Ghasemzadeh 7
ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
ﻦﺘﺑ يرﺎﺸﻓ ﺖﻣوﺎﻘﻣ ﻦﻴﻴﻌﺗ ﺶﻳﺎﻣزآ ﺞﻳﺎﺘﻧ :
ﺖﻣوﺎﻘﻣ ﯼرﺎﺸﻓ
(kg/cm2)
ﻩدراو رﺎﺑ (KN‐Kg)
نزو صﻮﺼﺨﻣ
(gr/cm3)
ﻪﻧﻮﻤﻧ نزو (gr)
ﻦﺘﺑ ﺮﻤﻋ ) زور (
62 14000 0/8 2780 28
90 20000 1/1 3620 28
102 2300 1/2 4160 28
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ﻢﺘﺴﻴﺳ ﻲﻓﺮﻌﻣ JK
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Hasan Ghasemzadeh 8
هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
نﻮﻴﺳاﺪﻧﻮﻓ • راﻮﻳد • ﻒﻘﺳ • ﻦﺘﺑ ﻖﻳرﺰﺗ •
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هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
نﻮﻴﺳاﺪﻧﻮﻓ
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Hasan Ghasemzadeh 9
هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
نﻮﻴﺳاﺪﻧﻮﻓ
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هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
راﻮﻳد
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Hasan Ghasemzadeh 10
هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
ﻲﭘ ﻪﺑ راﻮﻳد لﺎﺼﺗا
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هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
ﻒﻘﺳ
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Hasan Ghasemzadeh 11
هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
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هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
تﺎﺴﻴﺳﺎﺗ
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Hasan Ghasemzadeh 12
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Hasan Ghasemzadeh 13
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Hasan Ghasemzadeh 14
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هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
ﻦﺘﺑ ﻖﻳرﺰﺗ
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Hasan Ghasemzadeh 15
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Hasan Ghasemzadeh 16
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Hasan Ghasemzadeh 17
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Hasan Ghasemzadeh 18
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Hasan Ghasemzadeh 19
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Hasan Ghasemzadeh 20
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Hasan Ghasemzadeh 21
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Hasan Ghasemzadeh 22
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Hasan Ghasemzadeh 23
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هزﺎﺳ ياﺮﺟا يﺎﻬﺷور
ﺎﻫدﺮﺑرﺎﻛ ﺮﻳﺎﺳ
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Hasan Ghasemzadeh 24
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PARIS‐LA DEFENSE
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Hasan Ghasemzadeh 25
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Hasan Ghasemzadeh 26
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ﺮﺨﺘﺳا ﺖﺧﺎﺳ
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Hasan Ghasemzadeh 27
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Hasan Ghasemzadeh 28
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Hasan Ghasemzadeh 29
• JK STRUCTURE IS EXCEPTIONAL AND QUASI‐UNIQUE IN SEVERAL AREAS OF UTILISATION
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PUBLIC WORKS: CONSOLIDATION AND CONSTRUCTION OF TUNNELS, VAULTS, ARCHES, SEWAGES, CONDUITS
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Hasan Ghasemzadeh 30
ROADS. JK STRUCTURE IS UNIQUELY SUITED FOR THE CONSOLIDATION / STABILISATION OF THE GRANULAR SUB‐BASE OF ROADS, LEADING TO REDUCED COSTS AND INCREASED DURABILITY AND LONGEVITY
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