1. Trang chủ
  2. » Tất cả

Development of a building structural system using an isotruss® grid

8 1 0
Tài liệu đã được kiểm tra trùng lặp

Đang tải... (xem toàn văn)

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Định dạng
Số trang 8
Dung lượng 612,38 KB

Nội dung

Development of a Building Structural System Using An IsoTruss® Grid Procedia Engineering 171 ( 2017 ) 1077 – 1084 Available online at www sciencedirect com 1877 7058 © 2017 The Authors Published by El[.]

Available online at www.sciencedirect.com ScienceDirect Procedia Engineering 171 (2017) 1077 – 1084 6XVWDLQDEOH&LYLO(QJLQHHULQJ6WUXFWXUHVDQG&RQVWUXFWLRQ0DWHULDOV6&(6&0 'HYHORSPHQWRIDEXLOGLQJVWUXFWXUDOV\VWHPXVLQJDQ,VR7UXVVŠJULG 7DH+HRQ.LP+DQ8O/HH@KDYHIRXQGWKDWWKHDQJOHRIDGLDJULGPHPEHULVDQLPSRUWDQWYDULDEOHLQGHWHUPLQLQJWKH ODWHUDO VWLIIQHVV RI D EXLOGLQJ $V WKH UROH RI LQFOLQHG FROXPQV LQ WKH WZR V\VWHPV LV H[SHFWHG WR EH VLPLODU LW LV LPSRUWDQWWRILQGRSWLPDODQJOHVIRUWKH,7*V\VWHP7KHDQJOHIRUWKH,7*V\VWHPLQ7DEOHZDVVHWE\UHIHUULQJWR D SUHYLRXV VWXG\ >@ LQ ZKLFK ILYH DQJOHV Ϩ Ϩ Ϩ Ϩ Ϩ  RI LQFOLQHG FROXPQV ZHUH VHW GXULQJ WKH VWUXFWXUDO GHVLJQ RI D VWRU\ EXLOGLQJ DQG Ϩ ZDV IRXQG WR EH WKH EHVW DQJOH IRU PD[LPXP FRQWURO RI ODWHUDO GLVSODFHPHQW7KDWVWXG\FRQFOXGHGWKDWWKHDSSURSULDWHDQJOHIRUWKHLQFOLQHGFROXPQVRIDQ,7*V\VWHPLVLQWKH UDQJHϨWRϨ7KHUHFRPPHQGHGDQJOHIRUDGLDJULGV\VWHPLVDERXWϨ>@7KHeGLIIHUHQFHLQRSWLPDODQJOH LQLQFOLQHGFROXPQVLPSOLHVWKDWWKHUHDUHGLIIHUHQFHVLQWKHVWUXFWXUDOFKDUDFWHULVWLFVRIDQ,7*V\VWHPDVFRPSDUHG WRDGLDJULGV\VWHP  D  E   )LJ7\SLFDOIORRUIUDPLQJSODQIRUWKHWZRV\VWHPV D ,7*V\VWHP E 'LDJULGV\VWHP 1080 Tae-Heon Kim et al / Procedia Engineering 171 (2017) 1077 – 1084 7DEOH%XLOGLQJGLPHQVLRQVRIWKHWZRV\VWHPV 6WUXFWXUDO6\VWHP ,7* 'LDJULG %XLOGLQJKHLJKW P    1RRIVWRULHV 7RWDO   3HUPRGXOH   1RRIPRGXOHV   7RWDOIORRUDUHD P    $QJOHRIREOLTXHFROXPQV Ϩ Ϩ +HLJKW P  0RGXOH   6WRU\   3.2 Structural Modeling and Analysis :KHQVL]LQJWKHLQFOLQHGFROXPQVWKHUHTXLUHGDUHDRIDFROXPQZDVFDOFXODWHGXVLQJDIRUPXODIURPDSUHYLRXV VWXG\RIWKHGLDJULGV\VWHP>@7KHFDOFXODWLRQDSSOLHVDQDOORZDEOHPD[LPXPODWHUDOGLVSODFHPHQWRIWKHEXLOGLQJ DVKZKHUHKLVWKHEXLOGLQJKHLJKWDQGDGLPHQVLRQOHVVIDFWRUàVảZKLFKLVWKHUDWLRRIWKHGLVSODFHPHQWDWWKH WRSRIWKHVWUXFWXUHGXHWREHQGLQJDQGGLVSODFHPHQWGXHWRVKHDU,QWKLVVWXG\àVảUDQJHGIURPWRDQGWKHQRGHV RIH[WHULRUFROXPQVZHUHPRGHOOHGDVSLQHQGHG3LQFRQQHFWLRQVEHWZHHQLQWHULRUEHDPVDQGH[WHULRUFROXPQVZHUH LQWURGXFHG 5LJLG GLDSKUDJP DFWLRQ RI WKH IORRU ZDV LQFOXGHG LQ WKH DQDO\VLV 7KH GHVLJQ GHDG ORDG DQG OLYH ORDG ZHUHN1PDQGN1PUHVSHFWLYHO\$ZLQGVSHHGRIPVZDVXVHGIRUZLQGORDGLQJDQGHDUWKTXDNHORDGV ZHUHDSSOLHGDFFRUGLQJWRWKH.RUHDQ%XLOGLQJ&RGH>@7KHVWUXFWXUDOPRGHOOLQJDQGDQDO\VLVZHUHFDUULHG RXWXVLQJDFRPPHUFLDOILQLWHHOHPHQWSURJUDP0,'$6>@DQGUHQGHULQJYLHZVRIWKHWZRPRGHOVDUHVKRZQLQ)LJ   D  E   )LJ5HQGHULQJLPDJHVFDSWXUHGIURP0,'$6PRGHOOLQJ D ,7*V\VWHP E 'LDJULGV\VWHP $QDO\VLV5HVXOWV 4.1 Lateral displacement ,Q)LJWKHPD[LPXPODWHUDOGLVSODFHPHQWDWWKHWRSRIWKHVWUXFWXUHVLVFRPSDUHG$VWKHVWUXFWXUDOGHVLJQLV EDVHGRQDQDOORZDEOHGLVSODFHPHQWRIKDOOFDVHVVDWLVI\WKHUHTXLUHPHQW,QWKHILJXUHOHJHQGV:DQG(LQ SDUHQWKHVHV VWDQG IRU ZLQG ORDG DQG HDUWKTXDNH ORDG UHVSHFWLYHO\ :KHQ V   FDVHV  DQG  VKRZ D OHVV VWLII 1081 Tae-Heon Kim et al / Procedia Engineering 171 (2017) 1077 – 1084 UHVSRQVHDQGZLQGORDGVFRQWUROWKHGHVLJQ          'LDJULG : 'LDJULG ( ,7* : ,7* ( K        'LDJULG : 'LDJULG ( ,7* : ,7* ( K            'LVSODFHPHQW FP                     'LDJULG : 'LDJULG ( ,7* : ,7* ( K    6WRU\ 6WRU\   'LVSODFHPHQW FP 'LDJULG : 'LDJULG ( ,7* : ,7* ( K      'LVSODFHPHQW FP       'LVSODFHPHQW FP                   'LVSODFHPHQW FP   'LDJULG : 'LDJULG ( ,7* : ,7* ( K    6WRU\ 6WRU\   6WRU\ 6WRU\  'LDJULG : 'LDJULG ( ,7* : ,7* ( K           'LVSODFHPHQW FP    )LJ/DWHUDOGLVSODFHPHQWDWWKHWRS 4.2 Load distribution in the building 7KH ORDG GLVWULEXWLRQ LQ FROXPQV LV VKRZQ LQ )LJ  IRU JUDYLW\ ORDGLQJ DQG LQ )LJ  IRU ODWHUDO ORDGLQJ )RU JUDYLW\ORDGLQJWKHSHUFHQWDJHVRIWKHORDGFDUULHGLQWKHH[WHULRUDQGLQWHULRUFROXPQVDUHFRQVWDQWLUUHVSHFWLYHRIV H[FHSWZKHQV +RZHYHUIRUODWHUDOORDGVWKHSHUFHQWDJHYDULDWLRQLVODUJHULQWKHGLDJULGV\VWHPWKDQLQWKH ,7*V\VWHPDVVHHQLQ)LJ7KHSURSRUWLRQRIWKHWRWDOORDGFDUULHGLVVLPLODUIRUWKHWZRV\VWHPVLQGLFDWLQJWKDW 1082 Tae-Heon Kim et al / Procedia Engineering 171 (2017) 1077 –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xial strength requirements for exterior columns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ae-Heon Kim et al / Procedia Engineering 171 (2017) 1077 – 1084 4.4 Structural efficiency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ð    E     F       )LJ6WUXFWXUDOHIILFLHQF\ D 6WHHOTXDQWLW\IRUDQH[WHULRUFROXPQSHUPRIIORRUDUHD E 6WLIIQHVVSDUDPHWHU F (IILFLHQF\SDUDPHWHU  1084 Tae-Heon Kim et al / Procedia Engineering 171 (2017) 1077 – 1084 7LPH SHULRGV IRU WKH WZR V\VWHPV ZHUH YHU\ VLPLODU 7LPH SHULRGVIRU WKH ILUVW WZR PRGHV LQ WKH WUDQVODWLRQDO GLUHFWLRQZHUH ,7* DQG GLDJULG DQGWKRVHRIWKHURWDWLRQDOPRGHZHUH ,7* DQG GLDJULG  ZKHQV 9DULDWLRQRIWLPHSHULRGIRUVZDVYHU\VPDOO &RQFOXVLRQ ,Q WKLV VWXG\ WKH VWUXFWXUDO SHUIRUPDQFH RI D EXLOGLQJ VWUXFWXUH XVLQJ WKH ,VR7UXVVŠ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oDGH DQGPRGXODUL]HG FRQVWUXFWLRQ RI IUDPHV FDQ PDNH WKH SURSRVHG V\VWHP DSSHDOLQJ )XUWKHU VWXGLHV RI PHPEHU VL]LQJ DW WKH SUHOLPLQDU\ GHVLJQ VWDJH DQG RQ ILQGLQJ VFKHPHVWRLQFUHDVHVWUXFWXUDOSHUIRUPDQFHDUHRQJRLQJ $FNQRZOHGJHPHQWV 7KLVZRUNZDVVXSSRUWHGE\D5HVHDUFK*UDQWRI3XN\RQJ1DWLRQDO8QLYHUVLW\ @ ,VR7UXVVŠKRPHSDJHKWWSZZZLVRWUXVVFRP >@ 60RRQ--&RQQRU-()HUQDQGH]'LDJULG6WUXFWXUDO6\VWHPVIRU7DOO%XLOGLQJV&KDUDFWHULVWLFVDQG0HWKRGRORJ\IRU3UHOLPLQDU\ 'HVLJQ7KH6WUXFWXUDO'HVLJQRI7DOODQG6SHFLDO%XLOGLQJV  ± >@ 7+.LP+8/HH+--HRQJ@ *00RQWXRUL(0HOH*%UDQGRQLVLR$'H/XFD*HRPHWULFDOSDWWHUQVIRUGLDJULGEXLOGLQJV([SORULQJDOWHUQDWLYHGHVLJQVWUDWHJLHV IURPWKHVWUXFWXUDOSRLQWRIYLHZ(QJLQHHULQJ6WUXFWXUHV   ... 3.2 Structural Modeling and Analysis :KHQVL]LQJWKHLQFOLQHGFROXPQVWKHUHTXLUHGDUHDRIDFROXPQZDVFDOFXODWHGXVLQJDIRUPXODIURPDSUHYLRXV VWXG\RIWKHGLDJULGV\VWHP>@7KHFDOFXODWLRQDSSOLHVDQDOORZDEOHPD[LPXPODWHUDOGLVSODFHPHQWRIWKHEXLOGLQJ... 

Ngày đăng: 24/11/2022, 17:53

TÀI LIỆU CÙNG NGƯỜI DÙNG

TÀI LIỆU LIÊN QUAN