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16

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�QwD=tQ; (MPa) CUmW (kN) (MPa) (MPa) (mm) (mm)

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41 2 Splitting

56 51 650 18 4 31 19 6 23 5 1 20R12-40-S100 67 42 775 71 5 14 26 1 31 7 1 21R12-40-S50 81 58 938 63 6 22 41 6 51 2 1 23R12-70-S150

72 0 Splitting

54 88 631 43 4 19 29 8 34 2 1 15R12-70-S100 67 41 775 59 5 14 35 0 39 2 1 12R12-70-S50 86 97 1000 60 6 64 45 3 58 1 1 28S10-40-NS

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QO xrYw|@v=H |=yQwD=tQ; |xrY=iVy=m xm |Qw] x@ "CU= QwD=tQ; |Qy=_ K]UxOW|W=BxU=t |=yQwD=tQ; QO w |oDUw}B Ctw=kt V}=Ri= Ea=@ Q=OG; |=yQwD=tQ;xOW s=Hv= |=yVywSB T=U=Q@ "Ovm|tv O=H}= xrYw |oDUw}B Ctw=kt QO |Q}}eDK]U x@ |Oqwi QwD=tQ; w uD@ u}@ |oDUw}B Ctw=kt QO xrYw |@v=H QwD=tQ; QF=|=yQwD=tQ; QO xrYw |@v=H QwD=tQ; QF= xm|Qw] x@ OQ=O |oDU@ =yQwD=tQ; G; |@UvK]U =@ |Oqwi |=yQwD=tQ; QO =yv; QF= R= QDW}@ 'O=} R G; |@Uv K]U =@ |Oqwi

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17

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18

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"R12-40-S150, R16-40-S150 %|=yxvwtv u=mtQ}}eD � Q=@ Q=Owtv "11 pmW

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19

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?} Q[ k2 &|[Qa `]kt QO QwD=tQ; |Q}oQ=Qk C}akwt QF= ?} Q[ k1 'x]@=Q u}= QO?} Q[ k5 &h=}r= wv QF= ?} Q[ k4 &QwD=tQ; |xR=Ov= QF= ?} Q[ k3 &uD@ |r=oJ QF=QwD=tQ; RmQt =D uD@ |HQ=N K]U u}@ |xrY=i u} QDtm dcs &QwD=tQ; |Qy=_ K]U QF=Q@=Q@ 2 5 R= O}=@v w 'CU= xOW xrYw |=yQwD=tQ; RmQt =D RmQt |xrY=i swU wO w

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xrYw |@v=H QwD=tQ; uwO@ |=yxvwtv "1"4|y=oW}=tR; |oDUw}B Ctw=ktC@Uv Q=}at h=QLv= w u}ov=}t '3 pwOH 4 uwDU QO|=yxvwtv |=Q@ (utest=u(4)) 4 |x]@=Q ltm =@ xOWx@U=Lt |oDUw}B Ctw=kt x@[14]|r; [9]'G=}vw@= w |rH=Qy [2]'u=Q=mty w |rRwt |xrYw |@v=H QwD=tQ; uwO@w �0 03'0 60� '�0 11'0 05� '�0 11'0 76� Q}O=kt ?}DQD x@ u=oOvU} wv w'OQ=wt |xty QO 'OwW|t x_Lqt xm Qw]u=ty "CU= xOt; CUO x@ �0 52'0 86�QwD=tQ; uwO@ |=yxvwtv |oDUw}B Ctw=kt Q=Okt [4] ACI 440 1R-06 |x]@=Q|y=oW}=tR; |=yxvwtv|NQ@ QO xm |Qw] x@ "OvR|tu}tND q=@CUO =Q xrYw|@v=HQ@=Q@ wO OwOL xOWx@U=Lt |oDUw}B Ctw=kt u}ov=}t Q=Okt �[3]G=}vw@= w |rH=Qy�

"CU= |y=oW}=tR; u}ov=}t Q=OktOwHwt V}=tR; G}=Dv w [9] CAN/CSA-S806-02 |x]@=Q |xU}=kt G}=DvQ=Okt "CU= xOW x�=Q= 3 pwOH 5 uwDU QO xrYw |@v=H QwD=tQ; uwO@ |=yxvwtv |=Q@|@v=H QwD=tQ; uwO@ |=yxvwtv |=Q@ utest=u(5) C@Uv Q=}at h=QLv= w u}ov=}t?}DQD x@ u=oOvU} wv w [14]|r; [3]'G=}vw@= w |rH=Qy [2]'u=Q=mty w |rRwt |xrYw

?r]t u}= "CU= xOt; CUO x@ 1 22 w 1 17 ?}DQD x@ xvwtv wO u}= |Q}PBpmW'O=} R |xrY=i x@ xrYw |@v=H QwD=tQ; Qw[L =yxvwtv u}= QO xm OyO|t u=WvV}=Ri= ?@U |R}J=v Q=Okt x@ \ki w OQ=Ov u=mtQ}}eD � Q=@ Q=DiQ QO |v=OvJ Q}F-=D=@� S10-40-NS |xrYw uwO@ |xvwtv x@ C@Uv =yxvwtv u}= "OwW|t |Q}PBpmWCU= OQD =yxvwtv u}= Q=DiQ um}r "OvDUy QDQ}PBpmW �1 14 |Q}PBpmW XN=Wx_Lqt 7 pmW QO Qo}O hQ] R= "OwW|tv xOQw;Q@ |Q}PBpmW |rm \@=w[ w- |xrYw uwO@ |xvwtv x@=Wt |Q=DiQ |=Q=O S10-40-S21 |xvwtv xm OwW|t|xrY=i x@ xrYw |@v=H QwD=tQ; |=Q=O S10-40-S21 |xvwtv "CU= S10-40NS

"CU= xOt; CUO x@ 1 24 xvwtv u}= |Q}PBpmW XN=W "CU= QDt|r}t 2121 u=R}t x@ |@v=H |=yQwD=tQ; |xrY=i Vy=m =@ xm CiQo xH}Dv u=wD|t u}=Q@=v@xOW|W=BxU=t |=yQwD=tQ; R= xOWxDN=U |=yxvwtv u=mtQ}}eD � Q=@ Q=DiQ 'QDt|r}t|Q}PBpmW XN=W |xU}=kt p=L u}= =@ "OwW|t xrYw uwO@ |xvwtv Q=DiQ x@=WtQwD=tQ; Qw[L xm OyO|t u=Wv xOW|W=BxU=t |=yQwD=tQ; x@ KrUt |=yxvwtvQO xHwD p@=k |xDmv "OQ=Ov =yxvwtv |Q}PBpmW QO |}x_Lqt p@=k Q}F-=D |@v=HXN=W xm CU= u}= xOW|W=BxU=t |=yQwD=tQ; R= xOWxDN=U |=yxvwtv XwYNxrYw uwO@ |=yxvwtv |Q}PBpmW XN=W x@ C@Uv Q=OxrYw |=yxvwtv |Q}PBpmWpmW 'CU= xOW xO=O u=Wv 2 pwOH w 3 pmW QO xm Qw]u=ty "CU= QDW}@Ci=mW wv R= S10-40-NC |xrYw |@v=H QwD=tQ; uwO@ |xvwtv QO CUmWQO "CU= |oO}WmuwQ}@ wv R= S10-40-S21 w S10-40-S80 |=yxvwtv QO wEa=@ uD@ uwQO R= QwD=tQ; VRer |oO}WmuwQ}@ CUmW pmW |=Q=O |=yxvwtvx=Qty |SQv= ?PH ?@U Qt= u}= w OwW|t uD@ w QwD=tQ; u}@ l =m]Y= uOt;OwHwx@"CU=yxvwtv |Q}PBpmWV}=Ri= |xOvyOu=Wv xm OwW|t Q}D QO u=mtQ}}eDV}=Ri= =@|@U=vt Q}PBpmW Q=DiQ OwN R= =yxvwtv u}= R= l}I}y 'OW xQ=W= xm Qw]u=ty um}r

"OvyO|tv u=WvxOW|W=BxU=t w Q=OG; |=yQwD=tQ; R= xOWxDN=U |=yxvwtv |Q}PBpmW Cw=iD-50 |xvwtv wO |xU}=kt =@ 15 pmW QO u=wD|t =Q xrYw |@v=H QwD=tQ; =@|=yQwD=tQ; R= ?}DQD x@ xvwtv wO u}= "OQm |UQQ@ R16-40-S50 w S16-40S

S16-40-S50 |xvwtv QO xrYw pw] "Ov=xOW xDN=U Q=OG; w xOW|W=BxU=tQ_v QO QDt|r}t 400 |w=Ut 'R16-40-S50 |xvwtv QO w QDt|r}t 180 Q@=Q@|ra xOW|W=BxU=t |xvwtv xm OwW|t xOy=Wt 15 pmW QO "CU= xOW xDiQoXN=W "CU= QDQ}PBpmW Q=OG; |xvwtv x@ C@Uv QDtm |xrYw pw] uDW=O seQxOt; CUO x@ 1 44 w 1 12 ?}DQD x@ 2 pwOH QO xvwtv wO u}= |Q}PBpmW

"R12-40-S50, R16-40-S50 %|=yxvwtv u=mtQ}}eD � Q=@ Q=Owtv "15 pmW

20

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[14]

6G50N-A8 SC 0 79 0 65G70N-A96 SC 0 80 0 58G80N-A106 SC 0 87 0 60G110N-A116 SC 0 74 0 46G70L-A256 SC 0 72 0 52G70N-A266 SC 0 80 0 58G70M-A276 SC 0 91 0 65

G70N-KW286 SC 0 70 0 67G70N-FX296 SC 0 81 0 77G70N-KX306 SC 0 80 0 58G70N-PX316 SC 0 70 0 50G70N-KY326 SC 0 89 0 64G70N-KY336 SC 0 77 0 55

u}ov=}t 0 79 0 60Q=}at h=QLv= 0 07 0 08

[10]

A460-1 Wrapped 0 91 0 67A460-2 Wrapped 0 94 0 68A540-1 Wrapped 0 65 0 45A540-2 Wrapped 0 87 0 60B-675-1 Wrapped 0 82 0 58B-675-2 Wrapped 0 82 0 58B-870-1 Wrapped 0 69 0 45B-870-2 Wrapped 0 75 0 49

u}ov=}t 0 81 0 56Q=}at h=QLv= 0 10 0 09

[3]

R1 25L20-C Grooved 0 75 1 00T1 25L20-C Th-W 0 35 0 45

T2L20-C Th-W 0 42 0 36u}ov=}t 0 51 0 60

Q=}at h=QLv= 0 21 0 35

u=oOvU} wv

R16-40-S150 Ribbed 0 72 1 15R16-40-S100 Ribbed 0 94 1 50R16-40-S50 Ribbed 1 16 1 86R12-40-S150 Ribbed 1 11 1 77R12-40-S100 Ribbed 1 32 2 11R12-40-S50 Ribbed 1 60 2 55R12-70-S150 Ribbed 0 81 1 30R12-70-S100 Ribbed 1 00 1 59R12-70-S50 Ribbed 1 29 2 06S10-40-S80 SC 1 24 1 21S10-40-S22 SC 1 37 1 33S16-40-S55 SC 0 57 0 81

u}ov=}t 1 09 1 54Q=}at h=QLv= 0 27 0 46

� SC=Sand Coated, Th-W=Thread Wrapped

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�1� �2� �3� �4� �5�`HQt Beam K]U�

utest=u(4) utest=u(5)No. |Qy=_

[2]

B-G1-3 W-SC 0 82 0 72B-G2-3 Ribbed 0 78 0 69B-A-3 Ribbed 0 88 0 78B-A-1 Ribbed 0 89 0 89B-A-2 Ribbed 0 65 0 80

B-G1-1 W-SC 0 85 0 81B-G2-1 Ribbed 0 73 0 69B-G1-2 W-SC 0 60 0 71B-G2-2 Ribbed 0 64 0 79

u}ov=}t 0 76 0 76Q=}at h=QLv= 0 11 0 07

[3]

R1 25L15 Ribbed 0 55 0 88R1 25L20 Ribbed 0 58 0 80

R2L15 Ribbed 0 55 0 63R2L20 Ribbed 0 65 0 64

R1 25L30 Ribbed 0 48 0 54T1 25L15 Th-W 0 53 0 66T1 25L20 Th-W 0 31 0 38

T2L15 Th-W 0 50 0 44T2L20 Th-W 0 32 0 28

u}ov=}t 0 50 0 58Q=}at h=QLv= 0 11 0 19

[14]

6G70z-A23 SC 0 62 0 456G70z-A22 SC 0 58 0 41

u}ov=}t 0 60 0 43Q=}at h=QLv= 0 11 0 19

u=oOvU} wvR16-40-NC Ribbed 0 49 0 78S10-40-NC SC 1 23 1 2

u}ov=}t 0 86 0 99Q=}at h=QLv= 0 52 0 29

� W-SC=Wrapped | Sand Coated, SC=Sand Coated,

Th-W=Thread Wrapped

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"OvR|t u}tND O=} R |oOvm =QB =@ �Q=DWwv u}= G}=Dv� OQ=wt |NQ@

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21

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"OwW|tl} ACI 440 1R-06 w CAN/CSA-S806-02 |}xt=vu}}; \@=w[ "3x@ "Ovvm|tv x�=Q= Q=OxrYw |Q}D |=yxvwtv |oDUw}B Ctw=kt R= |k]vt OQw;Q@uwO@ |=yxvwtv QO |}xt=vu}}; \@=w[ R= pY=L |D=@U=Lt G}=Dv xm |Qw]xDU@ xrYw |@v=H QwD=tQ; |=Q=O |=yxvwtv QO w q=@ CUO 'xrYw |@v=H QwD=tQ;"OvwW|t OQw;Q@ u}}=B CUO =} q=@ CUO 'QwD=tQ; |Qy=_ K]U C=YNWt x@

QmWD w Q}OkDu}t-=D OyWt jQW u=t}U |=yxOQw;Qi CmQW \UwD KQ] u}= |=yxv} Ry R= |WN@pQDvm pw�Ut 'CmQW u}= C} Q}Ot |xv=t}tY |Q=mty R= u=oOvU} wv "CU= xOW

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s�qa CUQyi&xOWxrYw |WWm QwD=tQ; l} `]kt K]U %Af

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&xOWxrYw |rw] QwD=tQ; wO |xrY=i %Cs&FRPQwD=tQ; |v=UWm pwOt %Efrp

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"u=mtQ}}eD � Q=@ |vLvt

w �0 21'0 51� '�0 10'0 81� '�0 07'0 79� Q}O=kt ?}DQD x@ u=oOvU} wv wR-06 |x]@=Q 'OwW|t x_Lqt xm Qw]u=ty "CU= xOt; CUO x@ �0 27'1 09�=Q �Q=DWwv u}= G}=Dv� Q=OG; |=yxvwtv |oDUw}B Ctw=kt Q=Okt [4] ACI 440 1w |rH=Qy w [11]'u=Q=mty w CQ=k}D [14]'|r;� =Q =yxvwtv Q}=U w O=} R |oOvm =QB =@

"OvR|t u}tND q=@ CUO '�[3]G=}vw@=utest=u(5) C@Uv Q=}at h=QLv= w u}ov=}t Q=Okt '4 pwOH 5 uwDU QO[10]'u=Q=mty w CQ=k}D '[14]|r; |xrYw |@v=H QwD=tQ; |=Q=O |=yxvwtv |=Q@'�0 09'0 56� '�0 08'0 60� Q}O=kt ?}DQD x@ u=oOvU} wv w [3]G=}vw@= w |rH=Qy'OwW|t x_Lqt xm Qw]u=ty "CU= xOt; CUOx@ �0 46'1 54� w �0 35'0 60�QwD=tQ; |Qy=_ K]U C=YNWt x@ xDU@ [9] CAN/CSA-S806-02 |x]@=QxOW x�=Q= 4 pwOH 3 uwDU QO =yxvwtv R= l} Qy |Qy=_ K]U C=YNWt�q=@ CUO =Q xrYw |@v=H QwD=tQ; |=Q=O |=yxvwtv |oDUw}B Ctw=kt Q=Okt '�CU=|oOvm =QB =@ u}}=B CUO =} �[3]G=}vw@= w |rH=Qy [10]'u=Q=mty w CQ=k}D [14]'|r;�

"OvR|t u}tND �Q=DWwv u}= |=yxvwtv� O=} Rw [4] ACI 440 1R-06\@=wQ xmCiQoxH}Dv u=wD|t'OW u=}@ xJv; x@xHwD =@xrYw |@v=H QwD=tQ; uwO@ |=yxvwtv Cr=L wO Qy QO [9] CAN/CSA-S806-02|=yxvwtv QO =Q QwD=tQ; w uD@ u}@ |oDUw}B Ctw=kt 'xrYw |@v=H QwD=tQ; |=Q=O wFRP |=yQwD=tQ; R= xO=iDU= |=Q@ u}=Q@=v@ "Ovm|tv |v}@V}B |@ wNx@ Q=OxrYw |Q}D|m} "OwW x�=Q= =yv; |=Q@ |O}OH |L=Q] \@=wQ O}=@ Q=OxrYw |xtQ;uD@ |=yQ}D QOFRP |=Q@ |Oqwi KrUt |=yxR=U |}xt=vu}}; \@=wQ KqY= '=yVwQ u} QDxO=U R=

[15]"CU=

|Q}oxH}Dv "5|oDUw}B Q=DiQ QO QF-wt syt |=yQDt=Q=B QF= |UQQ@ hOy =@ |y=oW}=tR; |xt=vQ@ u}=uD@ |Q=Wi Ctw=kt 'QwD=tQ; Q]k 'xrYw |@v=H QwD=tQ; %Ovv=t GFRP |=yQwD=tQ;u}= |y=oW}=tR; VN@ QO "CU= xOW s=Hv= QwD=tQ; |Qy=_ K]U C=YNWt wV}=tR; w xDN=U GFRP |=yQwD=tQ; x@ KrUt Q=OxrYw |Q}D |xvwtv 15 'VywSBOwHwt |=yx]@=Q 'u=QoWywSB Q}=U |=yV}=tR; G}=Dv w G}=Dv u}= ltm x@ "OWw |UQQ@ OQwt ACI 440 1R-06 w CAN/CSA-S806-02 |=yxt=vu}}; QO

%OW pY=L G}=Dv u}= 'xar=]t u}= T=U= Q@ "CiQo Q=Qk |@=} RQ=x@ KrUt Q=OxrYw |Q}D |=yxvwtv |oDUw}B Ctw=kt QO |@v=H QwD=tQ; Q}F-=D "1x@ "CU= xDU@=w QwD=tQ; |Qy=_ K]U C=YNWt x@ GFRP |=yQwD=tQ;Q=OG; |=yQwD=tQ; x@ KrUt Q=OxrYw |=yQ}D QO xrYw |@v=H QwD=tQ; xm |Qw]

=yCWwv=B1. �ber reinforced polymer rebar2. glass �ber reinforced polymer

3. ribbed4. sand coat5. splitting6. pull-out7. load cell

22

"""w|v=y

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9. linear variable displacement transducer

�References� `@=vt1. Okelo, R. and Yuan, R. \Bond strength of �ber re-

inforced polymer rebars in normal strength concrete",Journal of Composites for Construction, 9(3), pp. 203-213 (2005).

2. Mosley, C.P., Tureyen, A.K. and Frosch, R.J. \Bondstrength of nonmetallic reinforcing bars", ACI StructuralJournal, 105(5), pp. 634-642 (2008).

3. Harajli, M. and Abouniaj, M. \Bond performance ofGFRP bars in tension: Experimental evaluation and as-sessment of ACI 440 guidelines", Journal of Compositesfor Construction, 14(6), pp. 659-668 (2010).

4. American Concrete Institute (ACI)., Guide for the De-sign and Construction of Structural Concrete Reinforcedwith FRP Bars, ACI 440.1R-06, Farmington Hills, Mich(2006).

5. Achillides, Z. and Pilakoutas, k. \Bond behavior of�ber reinforced polymer bars under direct pullout con-ditions", Journal of Composites for Construction, 8(2),pp. 173-81 (2004).

6. Aly, R. \Stress along tensile lap-spliced �ber reinforcedpolymer reinforcing bars in concrete", Canadian Journalof Civil Engineering, 34(9), pp. 1149-1158 (2007).

7. Wambeke, B. and Shield, C. \Development length ofglass �ber reinforced polymer bars in concrete", ACIStructural Journal, 103(1), pp. 11-17 (2006).

8. Darwin, D., Tholen, M.L., Idun, E.K. and Zou, J. \Splicestrength of high relative rib area reinforcing bars", ACIStructural Journal, 93(1), pp. 95-107 (1996).

9. CAN/CSA S806-02 \Design and construction of buildingcomponents with �ber reinforced polymers", CanadianStandards Association, Rexdale, Ontario, Canada, 177p. (2002).

10. Tighiouart, B., Benmokrane, B. and Mukhopadhyaya,P. \Bond strength of glass FRP rebar splices in beamsunder static loading", Construction and Building Mate-rials, 13(7), pp. 383-392 (1999).

11. Esfahani, M.R. and Kianoush, M.R. \Develop-ment/splice length of reinforcing bars", ACI StructuralJournal, 102(1), pp. 22-30 (2005).

12. Cohn, M.Z. and Barlett, M. \Computer-simulated ex-ural tests of partially prestressed concrete sections",ASCE Journal of Structural Division, 108(ST12), pp.2747-2765 (1982).

13. Orangun, C.O., Jirsa, J.O. and Breen, J.E. \Reevalua-tion of test data on development length and splices", ACIJOURNAL, Proceedings, 74(3), pp. 114-122 (1977).

14. Aly, R. \Experimental and analytical studies on bondbehavior of tensile lap spliced FRP reinforcing barsin concrete", Ph.D Thesis, University of Sherbrook,Canada (2005).

15. Tepfers, R. and De Lorenzis, L. \Bond of FRP reinforce-ment in concrete", Journal of Mechanics of CompositeMaterials, 39(4), pp. 447-496 (2003).

23