ĈҤ,+Ӑ&48Ӕ&*,$73+&0
75ѬӠ1*ĈҤ,+Ӑ&%È&+.+2$
1*8<ӈ1/Ç9Ӻ
3+Æ17Ë&+Ӭ1*;Ӱ;2Ҳ1&Ӫ$Ӕ1*7+e31+Ӗ,%Ç
7Ð1*7,ӂ7',ӊ175Ñ1&Ï;e7Ĉӂ1.+8<ӂ77Ұ7
Chuyên ngành: .ӻWKXұW[k\GӵQJ&{QJWUuQKJLDRWK{QJ
Mã Vӕ: 8 58 02 05
/8Ұ19Ă17+Ҥ&6Ƭ
TP. +Ӗ&+Í MINH, tháng 08 QăP21
&Ð1*75Î1+ĈѬӦ&+2¬17+¬1+7Ҥ,:
75ѬӠ1*ĈҤ,+Ӑ&%È&+.+2$
ĈҤ,+Ӑ&48Ӕ&*,$73+Ӗ&+Ë0,1+
***
&iQEӝKѭӟQJGүQNKRDKӑF76/Ç%È.+È1+
&iQEӝFKҩPQKұQ[pW 761JX\ӉQ'X\/LrP
&iQEӝFKҩPQKұQ[pW 76/r9ăQ3K~F
/XұQ YăQ WKҥF Vƭ ÿѭӧF EҧR YӋ WҥL 7UѭӡQJ ĈҥL KӑF %iFK .KRD Ĉ+4* Tp. HCM
ngày 21 tháng 08 QăP21 WUӵFWX\ӃQ.
7KjQKSKҫQ+ӝLÿӗQJÿiQKJLiOXұQYăQWKҥFVƭJӗP
1. &KӫWӏFKKӝLÿӗQJ: 3*6761JX\ӉQ0ҥQK7XҩQ
2. 7KѭNêKӝLÿӗQJ: 761JX\ӉQ;XkQ/RQJ
3. UӹYLrQSKҧQELӋQ: 761JX\ӉQ'X\/LrP
4. UӹYLrQ pKҧQELӋQ: 76/r9ăQ Phúc
5. 8ӹYLrQKӝLÿӗQJ: TS. Lê Bá Khánh
;iF QKұQ FӫD &Kӫ WӏFK +ӝL ÿӗQJ ÿiQK JLi /9 Yj 7UѭӣQJ .KRD TXҧQ Oê FKX\rQ
QJjQKVDXNKLOXұQYăQÿmÿѭӧFVӱDFKӳDQӃXFy.
&+Ӫ7ӎ&++Ӝ,ĈӖ1*
75ѬӢ1*.+2$ .Ӻ7+8Ұ7;Æ<'Ӵ1*
±i±
ĈҤ,+Ӑ&48Ӕ&*,$73+&0
&Ӝ1*+Ñ$ ;+Ӝ,&+Ӫ1*+Ƭ$9,ӊ71$0
75ѬӠ1*ĈҤ,+Ӑ&%È&+.+2$
ĈӝFOұS- 7ӵGR- +ҥQKSK~F
--------------------
--------------------
NHIӊM VӨ LUҰ19Ă17+Ҥ&6Ƭ
+ӑWrQKӑFYLrQ1*8<ӈ1 /Ç9Ӻ................................................. MSHV: 1970085
1Jj\WKiQJQăPVLQK12/06/1996 .............................................. 1ѫLVLQK Kon Tum
Chuyên nJjQK.ӻWKXұW[k\GӵQJ&{QJWUuQKJLDRWK{QJ ............ 0mVӕ : 8 58 02 05
I. 7Ç1Ĉӄ7¬,
3KkQ WtFK ӭQJ [ӱ [RҳQ FӫD ӕQJ WKpS QKӗL Er W{QJ WLӃW GLӋQ WUzQ Fy [pW ÿӃQ ҧQK
KѭӣQJFӫDNKX\ӃWWұW (Torsional behavior analysis of circular concrete filled steel
tubes on the effect of defects).
II. 1+,ӊ09Ө9¬1Ӝ,'81*
1.
1JKLrQFӭXWәQJTXDQYӅNӃWFҩXӕQJWKpSQKӗLErW{QJCFST);
2.
;k\GӵQJP{KuQKSKҫQWӱKӳXKҥQFKRNӃWFҩX&)67FKӏX[RҳQFy[pWÿӃQ
NKX\ӃWWұW
3.
7uPKLӇXYjSKkQWtFKWKDPVӕҧQKKѭӣQJFӫDNKX\ӃWWұWUӍVpWUӛEӅPһWEr
W{QJWLӃWGLӋQErW{QJNK{QJÿӗQJQKҩWGRWKLF{QJYjFRQJyWErW{QJEӏQӭWWiFK
NKӓLӕQJWKpS«ÿӃQӭQJ[ӱ[RҳQFӫDNӃWFҩX&)67
III. 1*¬<*,$21+,ӊ09Ө : 22/02/2021
IV. 1*¬<+2¬17+¬1+1+,ӊ09Ө: 20/07/2021
V. &È1%Ӝ+ѬӞ1*'Ү1: TS. LÊ BÁ KHÁNH
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± ii ±
Tp. HCM, ngày 20 tháng 07 QăP021
&È1%Ӝ+ѬӞ1*'Ү1
TS. LÊ BÁ KHÁNH
&+Ӫ1+,ӊ0%Ӝ0Ð1Ĉ¬27Ҥ2
3*6761*8<ӈ10Ҥ1+78Ҩ1
75ѬӢ1*.+2$ .Ӻ7+8Ұ7;Æ<'Ӵ1*
3*676/Ç$1+78Ҩ1
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± iii ±
LӠI CҦ0Ѫ1
/ӡLÿҫXWLrQW{L[LQJӱLOӡLFҧPѫQÿӃQ76/r%i .KiQKQJѭӡLWKҫ\ÿmOX{Q
G}L WKHR Yj ÿӗQJ KjQK FQJ W{L WURQJ TXi WUuQK QJKLrQ FӭX FQJ W{L KuQK WKjQK
QKӳQJêWѭӣQJYjWҥRÿӝQJOӵFWROӟQÿӇW{LFyWKӇJLҧLTX\ӃWFiFYҩQÿӅNKyQKҩW
(P[LQJӱLOӡLFҧPFҧPѫQFKkQWKjQKÿӃQWKҫ\
Trong quá trình hoàn WKLӋQOXұQYăQEҧQWKkQQKұQWKҩ\ÿmFӕJҳQJYjQӛOӵF
UҩWQKLӅX1KѭQJÿӇGX\WUuWLQKWKҫQÿyWKuNK{QJWKӇWKLӃXQKӳQJVӵJL~SÿӥFӫD
PӑLQJѭӡLW{L[LQJӱLOӡLFҧPѫQÿӃQ
&iFDQKFKӏFKX\rQYLrQTXê7Kҫ\&{3KzQJĈjRWҥRVDXĈҥL+ӑF± 7UѭӡQJ
ĈҥLKӑc Bách Khoa ± ĈҥLKӑFTXӕFJLD73+&0&iF7Kҫ\&{NKRD.ӻWKXұW;k\
GӵQJ&{QJWUuQK*LDRWK{QJÿһFELӋWOjWKҫ\&ҧQK7XҩQYjWKҫ\.KiQKÿmJLҧQJ
Gҥ\ Yj WUX\ӅQ ÿҥW FiF NLӃQ WKӭF NLQK QJKLӋP YӅ SKҫQ PӅP SKkQ WtFK NӃW FҩX
ABAQUS ± F{QJFөFKtQKWURQJOXұQ YăQĈyOjQKӳQJWLӅQÿӅYjQӅQWҧQJJL~SW{L
WKӵFKLӋQÿѭӧFQJKLrQFӭXQj\
7{L FNJQJ FKkQ WKjQK JӱL OӡL FҧP ѫQ ÿӃQ %DQ *LiP ÿӕF FiF DQK FKӏ ÿӗQJ
QJKLӋS WҥL &{QJ W\ 71++ .ӻ WKXұW 7KXұQ 9LӋW ± QѫL W{L KLӋQ ÿDQJ OjP YLӋF ÿm
OX{QÿӝQJYLrQFKӍGҥ\YjJySêJL~SW{LWURQJTXiWUuQKYӯDKӑFYӯDOjP
ĈӗQJWKӡLW{L[LQJӱLOӡLFҧPѫQÿӃQJLDÿuQKW{LYӧW{LYjQKӳQJQJѭӡLEҥQ
ÿmOjKұXSKѭѫQJYӳQJFKҳFJL~SW{L\rQWkPWKӵFKLӋQOXұQYăQ
6DX FQJ W{L [LQ FK~F TXê 7Kҫ\ &{ JLD ÿuQK Yj EҥQ Eq OX{Q Fy WKұW QKLӅX
QLӅPYXLWURQJFXӝFVӕQJ
7{L[LQFKkQWKjQKFҧPѫQ
7S+͛&Kt0LQKQJj\20 tháng 07 QăP
+ӑFYLrQFDRKӑF
1JX\ӉQ/r9ӻ
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± iv ±
TÓM TҲT LUҰ19Ă1
9ӟL Vӵ WLӃQ Eӝ FӫD NKRD KӑF Nӻ WKXұW QJj\ QD\ YLӋF SKkQ WtFK FKL WLӃW Vӵ
WѭѫQJWiFJLӳDFiFORҥLYұWOLӋXNK{QJFzQOjUjRFҧQFKRYLӋFViQJWҥRUDFiFNӃWFҩX
YӯDÿҧPEҧRNKҧQăQJFKӏXOӵFYӯDNLQKWӃPjOҥLFzQFyWtQKWKҭPPӻFDR'ӵD
WUrQSKҫQPӅP$EDTXVYӟLFiFWtQKQăQJJLҧLTX\ӃWFiFYҩQÿӅYӅWX\ӃQWtQKYjSKL
WX\ӃQ OLrQ TXDQ ÿӃQ WƭQK KӑF ÿӝQJ OӵF KӑF QKLӋW KӑF « OXұQ YăQ Qj\ phân tích
ӭQJ[ӱ[RҳQFӫDӕQJWKpSQKӗLErW{QJ&RQFUHWH)LOOHG6WHHO7XEHV± CFST) có xét
ҧQKKѭӣQJFӫDNKX\ӃWWұWWKjQKӕQJWKpSEӏUӍOӛUӍ[X\rQWKӫQJOӟSYӓCác phân
WtFKFӫDOXұQYăQÿmÿѭӧFNLӇPFKӭQJEҵQJFiFKWiLP{SKӓQJFiFQJKLrQFӭXYӅ
&)67 FӫD -HKX\Q %HFN Yj 2VDPX .L\RPL\D [2] FiF NӃW TXҧ Fy Vӵ SK KӧS FDR
/XұQ YăQ ÿm WULӇQ NKDL PӝW ORҥW QJKLrQ FӭX ҧQK KѭӣQJFӫD UӍ ÿӃQ ӭQJ [ӱ FӫD NӃW
FҩX&)67WK{QJTXDYLӋFWKD\ÿәLNtFKWKѭӟFYjYӏWUtOӛUӍ'ӵDWUrQQKӳQJNӃWTXҧ
QJKLrQFӭXÿmÿѭӧF[k\GӵQJYjF{QJQKұQWUѭӟFÿyP{KuQKYұWOLӋXErW{QJFӕW
WKpSKӋVӕWѭѫQJWiFJLӳDErW{QJYjFӕWWKpS«FҩXNLӋQ&)67YӟLNtFKWKѭӟFOӛ
UӍOӟQQKҩWÿѭӧFGQJÿӇNKҧRViWVӭFNKiQJ[RҳQYjÿiQKJLiNӃWTXҧ.
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±v±
ABSTRACT
With the advancement of science and technology today, detailed analysis of
the interaction between materials is no longer a barrier to creating structures that
ensure both resistance, economy and highly aesthetic. Based on Abaqus software,
with the features of solving linear and nonlinear problems related to statics,
dynamics, thermodynamics, etc., this thesis analyzee the torsional behavior of
concrete-filled steel pipes. Concrete Filled Steel Tubes ± (CFST) has considered the
effect of corrosion defect on steel pipe, penetrating the Shell. The theoretical
analysis and finite element analysis on Abaqus software, the model has been
verified for its correctness by re-simulating the CFST studies of author Jehyun Beck
and Osamu Kiyomiya [2], the results have a high concordance. The thesis has
developed a series of studies on the behavior of corrosion defects on CFST
structures through changing the size of defects. Based on previously established and
recognized research results (model of concrete materials, steel materials, interaction
coefficient between concrete core and steel pipe, ...), CFST structure with large
defect size used to investigate torsional resistance and evaluate results.
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± vi ±
LӠ,&$0Ĉ2$1
7{L[LQFDPÿRDQWRjQEӝQӝLGXQJOXұQYăQWUuQKEj\GѭӟLÿk\ÿӅXGRW{LWKӵF
KLӋQGѭӟLVӵKѭӟQJGүQFӫD76/r%i.KiQK
7ҩWFҧFiFÿӏQKQJKƭDF{QJWKӭFYjVӕOLӋXÿӅXWUXQJWKӵFYjFyWUtFKGүQFө
WKӇU}UjQJFiFNӃWOXұQFKѭDWӯQJFyDLF{QJEӕKRһFVӱGөQJÿӇEҧRYӋEҩWNuPӝW
KӑFYӏQjR
7{L[LQFKӏXWUiFKQKLӋPYӅNӃWTXҧQJKLrQFӭXWURQJOXұQYăQFӫDPuQK
7S+͛&Kt0LQKQJj\20 tháng 07 QăP
+ӑFYLrQFDRKӑF
1JX\ӉQ/r9ӻ
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± vii ±
0Ө&/Ө&
NHIӊM VӨ LUҰ19Ă17+Ҥ&6Ƭ........................................................................... i
LӠI CҦ0Ѫ1 ........................................................................................................... iii
TÓM TҲT LUҰ19Ă1 ........................................................................................... iv
ABSTRACT ................................................................................................................v
LӠ,&$0Ĉ2$1 ..................................................................................................... vi
0Ө&/Ө& ................................................................................................................ vii
'$1+0Ө&&È&%Ҧ1*........................................................................................ ix
'$1+0Ө&&È&+Î1+ ...........................................................................................x
'$1+0Ө&&È&7Ӯ9,ӂ77Ҳ7 ......................................................................... xii
MӢ ĈҪU .....................................................................................................................1
&+ѬѪ1*7Ә1*48$19ӄ/Ƭ1+9Ӵ&1*+,Ç1&Ӭ8 ..................................4
*LӟLWKLӋX...............................................................................................................4
7uQKKuQKQJKLrQFӭXWUrQWKӃJLӟL ........................................................................5
7uQKKuQKQJKLrQFӭXWURQJQѭӟF ........................................................................10
1KұQ[pWFӫDFKѭѫQJ ...........................................................................................11
&+ѬѪ1*&Ѫ6Ӣ/é7+8<ӂ7 .........................................................................14
*LӟLWKLӋX.............................................................................................................14
.KҧQăQJFKӏXQpQFӫDErW{QJ .................................................................14
7UҥQJWKiLFѫKӑFFӫDWKpS ........................................................................15
7UX\ӅQOӵFFҳWJLӳDErW{QJYjӕQJWKpS ...................................................15
&iFNKiLQLӋPFKXQJ ...........................................................................................16
/êWKX\ӃWWtQKWRiQNӃWFҩXӕQJWKpSQKӗLErW{QJFKӏX[RҳQWKXҫQW~\ .............19
1KұQ[pWFӫDFKѭѫQJ ...........................................................................................23
&+ѬѪ1*3+Æ17Ë&+7+$06Ӕ9ӄҦ1++ѬӢ1*&Ӫ$5ӌ ......................24
*LӟLWKLӋX.............................................................................................................24
0{KuQKӭQJ[ӱFӫDWKpS...........................................................................24
0{KuQKӭQJ[ӱFӫDErW{QJ......................................................................25
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± viii ±
7KtQJKLӋPÿӇNLӇPWUDP{KuQKӭQJ[ӱFӫDYұWOLӋX .........................................28
7K{QJVӕYұWOLӋX .......................................................................................28
.tFKWKѭӟFPүXWKtQJKLӋP .......................................................................29
0{KuQKSKҫQWӱKӳXKҥQEҵQJSKҫQPӅP$EDTXV ..................................30
.ӃWTXҧNLӇPWUD ........................................................................................32
/ӵDFKӑQGҥQJSKҫQWӱ ......................................................................32
.LӇPFKӭQJVӵ SKKӧSFӫDP{KuQKWURQJ$EDTXV ........................33
3KkQWtFKҧQKKѭӣQJWKDPVӕQJKLrQFӭX ...........................................................38
&iFWUѭӡQJKӧSQJKLrQFӭX .......................................................................38
7әQJKӧSNӃWTXҧFiFWUѭӡQJKӧSSKkQWtFK ..............................................40
3KkQWtFKӕQJWKpS .............................................................................40
3.3.2.2 3KkQWtFKFҩXNLӋQ&)67 ...................................................................45
1KұQ[pWFӫDFKѭѫQJ ...........................................................................................49
KӂT LUҰN VÀ KIӂN NGHӎ...................................................................................51
TÀI LIӊU THAM KHҦO .........................................................................................53
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± ix ±
'$1+0Ө&&È&%Ҧ1*
%̫QJ-%̫QJWK{QJV͙V͵GͭQJFKRP{KuQK&'30 .............................................26
%̫QJ-2 ThjQKSK̯QF̭SSK͙LFKRP̳XErW{QJ .....................................................29
%̫QJ-7K{QJV͙Y̵WOL͏XErW{QJ ..........................................................................29
%̫QJ-7K{QJV͙Y̵WOL͏XWKpS ...............................................................................29
%̫QJ-.͇WTX̫VRViQKODFK͕QOR̩LSK̯QW͵FKR͙QJWKpS ................................33
%̫QJ-.͇WTX̫QJKLrQFͱXY͉7u FͯDK͕FYLrQYjFͯD%HFN .................................34
%̫QJ-.͇WTX̫QJKLrQFͱXY͉7y và Tu FͯDK͕FYLrQYjFͯD%HFN ........................37
%̫QJ-%̫QJW͝QJKͫSYjÿiQKJLiN͇WTX̫SKkQWtFK ...........................................43
%̫QJ-%̫QJW͝QJKͫSYjÿiQKJLiN͇WTX̫F̭XNL͏Q&)67 ..................................48
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±x±
'$1+0Ө&&È&+Î1+
+uQK&̭XW̩RF̭XNL͏Q&)67 ................................................................................4
+uQK&̯X(UTXHV9LDGXFW7k\%DQ1KD ........................................5
+uQK&̯X+RjQJ9ăQ7Kͭ+̫L3KzQJ .........................................10
+uQK&̯X&KkX*LDQJ± Hà Nam .......................................................................11
+uQK&̯X5̩FK&KL͇F± TPHCM .....................................................................11
+uQK&̯XĈ{QJ7U± +j1͡L .............................................................................12
+uQK&̯XÐQJ/ͣQ± TPHCM ............................................................................12
+uQK7UͭF̯XY˱ͫWQ~WJLDR1JX\͍Q7UL3K˱˯QJ± /ê7KiL7͝ .........12
+uQK+L͏XͱQJ[R̷QW̩LWKkQWUͭF̯XFRQJ>@ ...................................................14
+uQK0{KuQKOêW˱ͧQJY͉F˯FK͇WUX\͉QOFF̷WJLͷDErW{QJYj͙QJWKpS ........15
+uQK+L͏XͱQJEyK{QJ .......................................................................................16
+uQK&˯FK͇KR̩Wÿ͡QJFͯDF̭XNL͏Q&)67FK͓X[R̷Q .......................................17
+uQK0{KuQKSK̯QW͵G̩QJNK͙LYjG̩QJW̭PWURQJ$%$486 ........................18
+uQK%L͇QG̩QJFͯDSKkQW͙FK͓X[R̷Q ...............................................................19
+uQK3KkQW͙WUͭWUzQYjEL͋Xÿ͛ͱQJVX̭WWL͇S ..................................................21
+uQK4XDQK͏ͱQJVX̭W± EL͇QG̩QJFͯDY̵WOL͏XWKpS ........................................24
+uQK0{KuQKͱQJVX̭WEL͇QG̩QJFͯDErW{QJDFK͓XQpQEFK͓XNpR>@ ...26
+uQK&iFNtFKWK˱ͣFF˯E̫QFͯDP̳X>@ ...........................................................28
+uQK&̭XNL͏Q&)67WURQJP{LWU˱ͥQJÿ͛KR̩FͯD$EDTXV ..............................30
+uQK&KLDO˱ͣLSK̯QW͵ .......................................................................................31
+uQK3K͝ͱQJVX̭WWL͇SFͯD͙QJWKpS ..................................................................32
+uQK3K͝ͱQJVX̭WWL͇SFͯDO}LEê tông...............................................................34
+uQK6RViQKTXDQK͏7± ș ................................................................................34
+uQK3K͝ͱQJVX̭WFͯD͙QJWKpSFK͓X[R̷Q NKLÿ̩WͱQJVX̭Wfy ..........................35
+uQK3K͝ͱQJVX̭WFͯD͙QJWKpSNKL[R̷Q P̳Xÿ͇Qșmax ..................................36
+uQK&iFP̳X͙QJWKpSͧWU̩QJWKiLP̭W͝Qÿ͓QKFͭFE͡>@...........................36
+uQK4XDQK͏7- șWKHRK͕FYLrQ .....................................................................37
+uQK6RViQKTXDQK͏7± șYͣL%HFNW̩LP̳X&6.........................................37
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± xi ±
Hình +uQK̫QKPLQKK͕DO͟U͑WUrQWKkQ͙QJWKpS ............................................40
+uQK3K͝ͱQJVX̭WFͯD͙QJWKpSFK͓X[R̷Q NKLÿ̩WͱQJVX̭Wfy ........................41
+uQK3K͝ ͱQJVX̭WFͯD͙QJWKpS͙QJWKpSNKL[R̷QP̳Xÿ͇Qșmax ...................42
+uQKĈ˱ͥQJFRQJTXDQK͏JLͷDPRPHQW[R̷QYjJyF[RD\FͯDWL͇WGL͏Q ........43
HìQK+uQKG̩QJSKiKR̩LNKL[R̷Q͙QJWKpS ....................................................45
+uQK3K͝ͱQJVX̭WF̭XNL͏QYͣLY͗WKpSOjSK̯QW͵6ROLGW̩Lșmax ....................46
+uQK3K͝ ͱQJVX̭WF̭XNL͏QYͣLY͗WKpSOjSK̯QW͵6KHOOW̩Lșmax ....................46
+uQK3K͝ͱQJVX̭WFͯDF̭XNL͏Q&)67NKLFK͓X[R̷QW̩L7y.............................46
Hình 3.22 3K͝ͱQJVX̭WW̩LO͟U͑ ...............................................................................47
+uQKĈ˱ͥng cong quan h͏ giͷa T - ߠ ...............................................................47
+uQKĈ˱ͥQJTXDQK͏JLͷDW͑V͙NtFKWK˱ͣFO͟U͑YjPRPHQW[R̷Q ....................48
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
± xii ±
'$1+0Ө&&È&7Ӯ9,ӂ77Ҳ7
CFST
Concrete-ILOOHG6WHHO7XEHVӔQJWKpSQKӗLErW{QJ
FEM
Finite element meWKRG0{KuQKSKҫQWӱKӳXKҥQ
FEA
FiniWHHOHPHQWDQDO\VLV3KkQWtFKSKҫQWӱKӳXKҥQ
CDPM
Concrete Damaged PlaVWLFLW\0RGHO0{KuQKSKiKRҥLGҿRFӫDEr
tông
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±1±
MӢ ĈҪU
1. /êGRFKӑQÿӅWjL
7URQJNKRҧQJWKӡLJLDQWӯQKӳQJQăPÿӃQQD\UҩWQKLӅXQKjQJKLrQFӭX
EDRJӗPFiFQKjNKRDKӑFYjQJKLrQFӭXVLQKWUrQNKҳSWKӃJLӟLÿmÿһWVӵTXDQ
WkPVkXVҳFÿӃQFҩXNLӋQ&)67
+ӑWuPKLӇXYӅVӵPҩWәQÿӏQKFӫDFK~QJNKLWiFGөQJFiFQJRҥLOӵFYjWәKӧS
QJRҥLOӵFEDRJӗPFҧOӵFÿӝQJÿҩWҧQKKѭӣQJFӫDKLӋXӭQJEyK{QJOrQNKҧQăQJ
FKӏXOӵFFӫDFҩXNLӋQҧQKKѭӣQJFӫDFKҩWOѭӧQJErW{QJYjKuQKGҥQJFҩXNLӋQ$LU
void DQGFDSJDSÿӃQNKҧQăQJFKӏXOӵFFӫD&)67«
7X\QKLrQYүQFyUҩWtWQKjQJKLrQFӭXWLӃQKjQKWuPKLӇXYjSKkQWtFKӭQJ[ӱ
FӫDNKX\ӃWWұWOӛUӍKD\ăQPzQÿӃQNKҧQăQJFKӏXOӵF[RҳQFӫDFҩXNLӋQ&)67WLӃW
GLӋQ WUzQ ± PӝWWURQJ QKӳQJ ORҥL FҩX NLӋQ ÿѭӧF Vӱ GөQJ SKә ELӃQ KLӋQ QD\ ӣ FiF
F{QJWUuQKOӟQWUrQWKӃJLӟL
9uYұ\OXұQYăQFKӑQÿӅWjLOj³3KkQWtFKӭQJ[ӱ[RҳQFӫDӕQJWKpSQKӗLEr
W{QJWLӃWGLӋQWUzQFy[pWÿӃQNKX\ӃWWұW´
2. 0өFÿtFKQJKLrQFӭX
;k\GӵQJTXDQKӋPRPHQW[RҳQ± JyF[RD\WLӃWGLӋQ tròn (T-șFӫDFҩXNLӋQ
&)67Fy[pWÿӃQҧQKKѭӣQJFӫDNKX\ӃWWұWOӛ UӍ
9ұWOLӋXÿѭӧF[HP[pWÿӃQJLDLÿRҥQGҿRÿӇSKҧQiQKÿѭӧFÿ~QJӭQJ[ӱWKӵF
WӃFӫDNӃWFҩXTXDÿyÿiQKJLiҧQKKѭӣQJFӫDNKX\ӃWWұWÿӃQNKҧQăQJFKӏXOӵFFӫD
NӃWFҩXӕQJWKpSQKӗLEr W{QJ&)67WLӃWGLӋQWUzQ
3. ĈӕLWѭӧQJYjSKҥPYLQJKLrQFӭX
ĈӕLWѭӧQJQJKLrQFӭXӔQJWKpSQKӗLErW{QJ&)67WLӃWGLӋQWUzQFy[pWÿӃQ
WtQKGҿRFӫDYұWOLӋX
3KҥPYLQJKLrQFӭX
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±2±
о 1JKLrQFӭXӭQJ[ӱFӫDNӃWFҩX&)67WLӃWGLӋQWUzQ
о 7ҧLWUӑQJWiFGөQJOjWҧLWUӑQJ[RҳQYjNK{QJÿҧRFKLӅXWURQJTXiWUuQK[HP
xét;
о &y [HP [pW ÿӃQ NKX\ӃW WұW ÿiQK JLi ҧQK KѭӣQJ FӫD NKX\ӃW WұW ÿӃQ ӭQJ [ӱ
[RҳQFNJQJQKѭNKҧQăQJFKӏXOӵFFӫDNӃWFҩX
3KѭѫQJSKiSQJKLrQFӭX
3KѭѫQJSKiSQJKLrQFӭXFӫDÿӅWjLOjFQJNӃWKӧSJLӳD QJKLrQFӭXWәQJTXDQ
YӅOêWKX\ӃWSKѭѫQJSKiSJLҧLWtFKÿӇ[k\GӵQJOêWKX\ӃWSKkQWtFKSKLWX\ӃQKӋ
NӃW FҩX &)67 Fy [pW ÿӃQ Vӵ OjP YLӋF WURQJ PLӅQ FKҧ\ GҿR FӫD YұW OLӋX NӃW KӧS
QJKLrQFӭXP{SKӓQJNӃWFҩXEҵQJSKҫQPӅPFKX\rQGөQJÿӇJLҧLTX\ӃWFiFYҩQ ÿӅ
ÿһWUDWUѭӟFÿyQKҵPFKtQK[iFKyDYjÿҧPEҧRÿӝWLQFұ\WtQKNKҧWKLFӫDNӃWTXҧ
ÿҥWÿѭӧF
1JKLrQFӭXOêWKX\ӃW
о 3KkQ WtFK FiF WjL OLӋX Yj QJKLrQ FӭX OLrQ TXDQ ÿӃQ ӭQJ [ӱ [RҳQ FӫD NӃW FҩX
&)67FNJQJQKѭҧQKKѭӣQJFӫDFiFNKX\ӃWWұWÿӃQNKҧQăQJFKӏX OӵFFӫDNӃW
FҩX;
о 'LӉQJLҧLFѫVӣOêWKX\ӃWOêOXұQJLҧWKLӃWNKRDKӑFYjSKѭѫQJSKiSQJKLrQ
FӭXVӱGөQJWURQJOXұQYăQ
о 7KX WKұS WәQJ KӧS SKkQ WtFK ÿiQK JLi FiF Vӕ OLӋX WUrQ Fѫ Vӣ Oê WKX\ӃW JLҧ
WKLӃWNKRDKӑFÿӇÿѭDUDQKұQÿӏQKYӅӭQJ[ӱFӫDNӃWFҩX&)67FKӏX[RҳQFy
[pWÿӃQNKX\ӃWWұW
1JKLrQFӭXP{SKӓQJNӃWFҩXEҵQJSKҫQPӅPFKX\rQGөQJ3KkQWtFKFiFP{
KuQK&)67FyFQJWLӃWGLӋQWӯWUҥQJWKiLӕQJWKpSӕQJWKpSQKӗLErW{QJӕQJWKpS
Fy[pWUӍYjӕQJWKpSQKӗLErW{QJFy[pWUӍÿӇÿiQKJLiҧQK KѭӣQJFӫDNKX\ӃWWұW
ÿӃQNKҧQăQJFKӏXOӵFFӫDNӃWFҩX
éQJKƭDNKRDKӑFYjWtQKWKӵFWLӉQFӫDÿӅWjL
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±3±
ĈӅWjLÿm[k\GӵQJÿѭӡQJTXDQKӋPRPHQW[RҳQ± JyF[RD\WLӃWGLӋQWUzQ7șFӫDFҩXNLӋQ&)67Fy[pWÿӃQҧQKKѭӣQJFӫDNKX\ӃWWұWOӛ UӍYjVӵOjPYLӋFFӫD
YұWOLӋXWURQJPLӅQFKҧ\GҿRÿӇSKҧQiQKӭQJ[ӱWKӵFWӃFӫDNӃWFҩX&)67
ĈѭDUDQKұQÿӏQKYӅVӵWKD\ÿәLFiFWKDPVӕÿѭӡQJNtQKOӛUӍOӵF[RҳQWiF
GөQJOrQ&)67«FyҧQKKѭӣQJQKѭWKӃQjRÿӃQNKҧQăQJFKӏXOӵFFӫDNӃWFҩX
OjPWLӅQÿӅgiúp các QJKLrQFӭXWLӃSVDXFyFѫVӣÿӇSKiWWULӇQFiF NӻVѭFyÿѭӧF
QKӳQJWKDPNKҧRNKRDKӑFFҫQWKLӃWFKRF{QJWiFWKLӃWNӃNLӇPÿӏQKF{QJWUuQK
1ӝLGXQJÿӅWjL
1ӝLGXQJOXұQYăQJӗPSKҫQ PӣÿҫXFKѭѫQJWUuQKEj\QӝLGXQJQJKLrQ
FӭXSKҫQNӃWOXұQYj NLӃQQJKӏSKҫQWjLOLӋXWKDPNKҧRYjSKҫQSKөOөF
3+Ҫ10ӢĈҪ81rXOêGRFKӑQÿӅWjLPөFÿtFKQJKLrQFӭXÿӕLWѭӧQJYj
SKҥPYLQJKLrQFӭXSKѭѫQJSKiSQJKLrQFӭXêQJKƭDNKRDKӑFYjWtQKWKӵFWLӉQ
FӫDÿӅWjL
&KѭѫQJ*LӟLWKLӋXÿӕLWѭӧQJQJKLrQFӭX WәQJTXDQYӅWuQKKuQKQJKLrQFӭX
WURQJQѭӟFYjWUrQWKӃJLӟLYӅYҩQÿӅQJKLrQFӭXNӃWOXұQOêGRWKӵFKLӋQ
&KѭѫQJ&ѫVӣOêWKX\ӃWYӅFҩXNLӋQFKӏX[RҳQWKXҫQW~\SKөFYөFKRYLӋF
ÿiQKJLiҧQKKѭӣQJFӫDNKX\ӃWWұWOӛUӍÿӃQNKҧQăQJFKӏXOӵFFӫDFҩXNLӋQ&)67
&KѭѫQJ3KkQWtFKWKDPVӕEҵQJSKҫQPӅP$%$486YjÿiQKJLiNӃWTXҧ
3+Ҫ1.ӂ7/8Ұ19¬.,ӂ11*+ӎ1KұQ[pWÿiQKJLiYjU~WUDNӃWOXұQYӅ
ҧQKKѭӣQJFӫDNKX\ӃWWұWUӍÿӃQNKҧQăQJFKӏXOӵFFӫDNӃWFҩX&)67WLӃWGLӋQWUzQ
ĈӗQJWKӡLNKX\ӃQQJKӏÿӏQKKѭӟQJQJKLrQFӭXWLӃSVDXQJKLrQFӭXQj\
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±4±
&+ѬѪ1* 7Ә1*48$19ӄ/Ƭ1+9Ӵ&1*+,Ç1&Ӭ8
1.1 *LӟLWKLӋX
.ӃWFҩXӕQJWKpSQKӗLErW{QJ± Concrete Filled Steel Tubes (CFST) ngày nay
ÿѭӧFÿѭD YjR Vӱ GөQJ UӝQJ UmL WURQJ FiFK F{QJ WUuQK [k\ GӵQJ GkQ GөQJ Yj JLDR
thông EӣL Qy Vӣ KӳX QKLӅX WtQK QăQJ QәL EұW EDR JӗP NKҧ QăQJ FKӏX OӵF WӕW NKҧ
QăQJFKӕQJKӓDKRҥQ ÿӝGҿRYjNKҧQăQJNKiQJFKҩQWӕW%rQFҥQKÿyӕQJWKpS
FNJQJÿyQJYDLWUzOjPYiQNKX{QQrQJL~SWLӃWNLӋPFKLSKtYjWKӡLJLDQ[k\GӵQJ
6ӱGөQJӕQJWKpSJL~SWҥRKLӋXӭQJEyK{QJOjPQJăQFҧQVӵQӭWYӥFӫDErW{QJ
&ӝW&)67FyÿӝEӅQYjÿӝGҿRWӕWKѫQVRYӟLFiFFҩXNLӋQEҵQJWKpSKRһFEr
W{QJFӕWWKpSWK{QJWKѭӡQJ1KӳQJѭXÿLӇPQj\ÿmÿѭӧFNKDLWKiFUӝQJUmLYjÿm
GүQ ÿӃQ YLӋF Vӱ GөQJ ÿD GҥQJ FiF NӃW FҩX &)67 WURQJ FiF F{QJ WUuQK [k\ GӵQJ
WKұPFKtFiFF{QJWUuQKÿzLKӓLWtQKWKҭPPӻFDR
ĈһFÿLӇPFӫDNӃWFҩX&)67OjKӋWKӕQJJӗPFҩXNLӋQFKӏXOӵFFKtQKOjӕQJ
WKpS ÿѭӧF QKӗL ÿһF EҵQJ Er W{QJ FѭӡQJ ÿӝ FDR KRһF WUXQJ EuQK ÿѭӧF WKӇ KLӋQ ӣ
Hình 1.1.
Hình 1.1 &̭XW̩RF̭XNL͏Q&)67
7X\ VӣKӳX QKӳQJ OӧL ÿLӇP KѫQVR YӟLFiF NӃW FҩX WKpS Yj Er W{QJ FӕW WKpS
WK{QJWKѭӡQJFҩXNLӋQ&)67WURQJTXiWUuQKFKӃWҥRKRһFTXDWKӡLJLDQNKDLWKiF
FNJQJNK{QJWUiQKNKӓLYLӋF[XҩWKLӋQFiFNKLӃPNKX\ӃWQKѭ
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±5±
о RӍVpWPһWWURQJOӟSWKpS
о HLӋQ WѭӧQJ Er W{QJ WURQJ OzQJ ӕQJ Eӏ Uӛ KRһF WҥL Yӏ WUt ÿӍQK FӫD FiF WKDQK
JLҵQJYzPWKpSQKӗLErW{QJ[XҩWKLӋQNKRҧQJWUӕQJGRWtQKOѭXÿӝQJFӫDEr
W{QJWKҩSKRһFGRTXiWUuQKWKLF{QJYjErW{QJFRQJyWWURQJJLDLÿRҥQNKDL
thác (Air-YRLGDQG&DS*DSKLӋQWѭӧQJQӭWWiFKErW{QJWURQJӕQJWKpS«
&iFNKLӃPNKX\ӃWQj\FyWKӇҧQKKѭӣQJÿiQJNӇÿӃQWѭѫQJWiFFӫDErW{QJYj
YӓWKpSOjPVX\JLҧPWLӃWGLӋQYjNKҧQăQJFKӏXOӵFFӫDNӃWFҩXGүQÿӃQVX\JLҧP
WXәLWKӑYjFyWKӇJk\QrQFiFVӵFӕFKR công trình.
7URQJFҩXNLӋQ&)67FҧWKpSYjErW{QJÿӅXNKiQJOҥLWҧLWUӑQJWiFGөQJEҵQJ
FiFKWѭѫQJWiFYӟLQKDXTXDFiFOLrQNӃWKRһFPDViW7X\QKLrQQKӳQJQJKLrQFӭX
YӅҧQKKѭӣQJFӫDNKX\ӃWWұWUӍVpWUӛEӅPһWErW{QJWLӃWGLӋQErW{QJNK{QJÿӗQJ
QKҩWGRWKLF{QJYjFRQJyWErW{QJEӏQӭWWiFKNKӓLӕQJWKpSÿӃQӭQJ[ӱ[RҳQ
FӫD NӃW FҩX &)67 FzQ UҩW tW Yu FiF NKX\ӃW WұW NKy Pj SKiW KLӋQ Wӯ ErQ QJRjL Ĉy
FKtQKOjÿӝQJOӵFQJKLrQFӭXFӫDOXұQYăQ
1.2 7uQKKuQKQJKLrQFӭXWUrQWKӃJLӟL
Hình 1.2 &̯X(UTXHV9LDGXFW7k\%DQ1KD
HV: 1JX\ӉQ/r9ӻ
MSHV: 1970085
±6±
&ҫXYѭӧW(UTXHV9LDGXFWVӱGөQJNӃWFҩXYzPWKpSQKӗLErW{QJÿѭӧFNKiQK
WKjQKQăPWҥL7ky Ban Nha. (Hình 1.2)
.ӃW FҩX &)67ÿѭӧF QJKLrQ FӭX Yj ӭQJ GөQJ WURQJ FiF F{QJ WUuQK [k\ GӵQJ
GkQGөQJFNJQJQKѭF{QJWUuQKJLDRWK{QJWҥLQKLӅXTXӕFJLDSKiWWULӇQWUrQWKӃJLӟL
&iFWLӃWGLӋQYX{QJYjWUzQFӫDNӃWFҩX&)67ÿmÿѭӧFP{KuQKKyDÿӇSKkQWtFKYj
WKtQJKLӋPYӅFѭӡQJÿӝFKӏXOӵFNKҧQăQJFKӏXOӵF PҩWәQÿӏQKFөFEӝ FӫDӕQJ
WKpS ӭQJ [ӱ FKӏX XӕQ QpQ « EӣL FiF WiF JLҧ *H Yj 8VDPL 8\
+DQ )XMLPRWR Yj FiF FӝQJ Vӵ
- Xem thêm -