Nonlinear fracture properties of concrete–concrete interfaces

Shah, Santosh G.; Kishen, J.M. Chandra

doi:10.1016/j.mechmat.2010.08.002

Cited by 24 publications

(13 citation statements)

References 25 publications

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“…x}rw= "OvQ=O |@ wN CkO '|y=oW}=tR; G}=Dv =@ [8] "=yQ}D Q=@ |xv}W}@ u}ov=}t "6 pwOH nQR@ \UwDt lJwm Q}D |xR=Ov= 9 90 5 91 3 90 kN Q=@ |xv}W}@ u}ov=}t [8] "uw}UQoQ p}rLD s}UQD "9 pmW "\UwDt Q}D |= Q@ p=mU=B=ot ?UL Q@ RU}t uwi VvD |=yQwDv=m "10 pmW 26 \@=wQ R= xO=iDU= =@ Y = AX + I |]N uw}UQoQ I |kqD w A ? }W [35] %OvDUy x@U=Lt p@=k 28 |r=…”

Section: C1t3mentioning

confidence: 99%

“…\UwDt 'lJwm |xR=Ov= 3 =@ Q}D |= Q@ V}=tR; R= pY=L (P j ) |=yQ=@ |xv}W}@ jta x@ xv=yO C@Uv 'QDt|r}t 304 w 152 '76 ? }DQD x@ |=yjta =@ nQR@ w w |Q}oxR=Ov= QDt|r}t 50 u=Um} Ct=N[ w 0 2 jta x@ h=mW C@Uv '2 5 |=yxO=O |wQ Q@ uw}UQoQ p}rLD R= pY=L s}UQD [8]…”

Section: C1t3mentioning

confidence: 99%

“…"cu = 0 004 0 0011 [ [31] '2011 u= Q=mty w |QDv=Uq=y=w w [30] [2] "CiQo Oy=wN Q= Qk OQU p=YD= Q=DiQ Q}F -=D CLD G}=Dv w 4 pwOH j@=]t ? }mQD Qy |= Q@ Q}D |xv=yO \Uw R}N u=mtQ}}eD -Q=@ x@ Q}D Q=DiQ 'u; j@=]t xm 'OyO|t u=Wv = Q [8] 11 |x]@= Q [28] 'wU w nvw 1 |x]@= Q [24] 'O}QO=t |tyU C1T1 [30] 'u= Q=mty w Cwm}U=t 1 |x]@= Q [24] 'O}QO=t |tyU C1T2 [31] 'u= Q=mty w |QDv=Uq=y=w 1 |x]@= Q [24] 'O}QO=t |tyU…”

mentioning

confidence: 99%

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ارائه ی مدل عددی پیشنهادی برای شبیه‌سازی مود بازشدگی مکانیک شکست اتصال سرد بتنی

کریمی¹,

جاری²

2020

مهندسی عمران

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|=y|vLvt 'uD@ CUmW l}v=mt '|OOa |R=UpOt 'OQU p=YD= %|O}rm u=oS=w "|vD@ |WtN |}x]kvxU |xO=U Q}D pOt 'uD@ |WWm w |Q=Wi VvQm-VvD xtOkt "1 'CU= OQDxt}v K]U l} QO u=mtQ}}eD-Q=@ \@=wQ =@ lQD VNB |v}@V}B x@ QO=k xm s}Ok uD@ wO u}@ OQU p=YD= K]U Q=DiQ [2] '2007 w=Q w uW}m "Ov=xO=O xaUwD = Q R}v [8] '2010 uW}m w x=W "Ov=xOQm |UQQ@ |y=oW}=tR; CQwY x@ = Q O}OH w ' 2 Ov}=Qi |x}L=v pw] 'CUmW |SQv= uwJty |]NQ}e CUmW l}v=mt |=yQDt= Q=B lQD lwv |oOWR=@ R= |W=v |}=Hx@=H w 4 CUmW 1 Owt Ck=] ' 3 |oOvvmW OOa u}}aD 6 xR=Ov= QF= VwQ R= xO=iDU= =@ hrDNt |vD@ R} Q=w Kw]U |= Q@ = Q 5 |v=QL@ VwQ ?r=k QO xOvv=@UJ |=yu=tr= R= u=wD|t xm CU= xOW C@=F u}vJty "OvOQm |oDN}Uosy R= w CUmW |R=UpOt |= Q@ OvtDQOk Q= R@= l} u=wva x@ OwOLt <= RH= uQk s}v R= V}@ 7 CZM l=v@UJ |x}L=v pOt swyit [9] "OQm xO=iDU= O=wt VWm \@=wQ R= |O=OaD "CU= xOW x=Q= [11 w 10] 'u= QoWywSB |NQ@ \UwD V}B [12] '2016 Vv=Q=mty w lQ=B \UwD R}v Twm=@; QO xO=iDU= OQwt V}=OH-|x}L=v |=ypOt |=y|oS}w R= |NQ@ u}vJty "CU= xOW |}xU}=kt |xar=]t |Q=}U@ "CU= xOW xar=]t [13] '2018 u=w}wvwQJ w hv=w}rU \UwD l=v@UJ |vD@ Q}D V}=tR; R= xO=iDU= =@ |vD@ R} Q=w Kw]U CUmW l}v=mt C=}YwYN R= C=}YwYN [21] '2011 uW}m w x=W [2014] "OvwW|t u}}aD |WtN |}x]kvxU |wQ Q@ 'p=D}H}O Q} w=YD |oDU@ty VwQ R= xO=iDU= =@ = Q uD@ R} Q=w K]U CUmW CtU wO QO uD@ |= Q@ hrDNt |Q=Wi Ctw=kt =@ |WtN |}x]kvxU |vD@ |=yQ}D "OvOQm xar=]t 'Ow@ xOW xO=O Q= Qk Q}D \Uw QO s=k CQwY x@ xm '|R}Q=w K]U pw= Owt lQD Q=WDv= |UQQ@ CyH |WywSB [22] '2018 u= Q=mty w nv=} 'u}vJty O}OH |@=QN pOt l} =@ 8 Ovw}B Q@ |vD@t l}t=v}O} QB VwQ R= xO=iDU= =@ uD@ QO |=yR=U w CN=U ?re= QO xm CU= |v=tDN=U Kr=Yt u} QDsyt uD@ 'Q[=L p=L QO QO lQDWt R=}v l} '|vD@ <=[a= |R=Uy@ w Q}taD xRwQt= [1] "OwW|t xO=iDU= uQOt '|vD@ |xa]k l} |R=Uy@ w s}tQD |= Q@ xm |t=ovy "CU=yCN=UQ}R |Q=Oyov C=}rta s=ovy QO xmu}= =} w OwW u} Ro}=H O}OH uD@ l} =@ |t}Ok uD@ R= |DtUk uD@ uDN} Q u=tR QO xm |wLv x@ 'ODi=}@ j=iD= |yHwD p@=k |v=tR |xikw '|R}QuD@ R} Q=w K]U 'xR=D uD@ w |t}Ok uD@ u}@ Kw]U QO 'OW=@ xOW CNU |t}Ok uD@ 'xR=D |=y?=k |= QH= pw=ODt |xw}W QO u}vJty "OwW|t O=H}= OQU p=YD= u=ty =} "OvwW|t Qy=_ R} Q=w Kw]U 'xOwr=W w hkU 'hm x@ uwDU p=YD= pLt QO 'KrUtuD@ sDU}U l} QO u; hQ] wO Kr=Yt R= QDh}a[ , =D@Uv R} Q=w K]U Ctw=kt , qwtat K]U Q=DiQ x@ xDU@=w COW x@ xOW Q}taD sDU}U l} OQmrta "CU= xOW Q}taD 'R}Q=w K]U QO VvD K]U`} QU C= Q}}eD w VvD RmQtD p}rO x@ [2] "CU= R} Q=w [3] "OQ=O OwHw xOW Q}taD sDU}U QO R} Q=w K]U O=ODt= QO |}q=@ CUmW Q]N xv=OnvU T} QD=t 'uD@ CUmW l}v=mt C=}YwYN |xv}tR QO |O=}R C=ar=]t |=yQ=m \ki 'p=L u}= =@ "CU= xOW s=Hv= Kr=Yt Q}=U w uD@ u}@ K]U 'u=t}U-xOW s=Hv= O}OH w s}Ok uD@ u}@ K]U Q=DiQ |xar=]t |= Q@ |tm |y=oW}=tR; QoWywSB |O=OaD \UwD O}OH w s}Ok uD@ K]U u}@ 1 Ovw}B C=}YwYN [4] "CU= |OOa |R=Ux}@W |xw}W l} [3] '2001 u= Q=mty w s}r [75] "CU= xOW xar=]t

show abstract

Section: C1t3mentioning

confidence: 99%

Section: C1t3mentioning

confidence: 99%

mentioning

confidence: 99%

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ارائه ی مدل عددی پیشنهادی برای شبیه‌سازی مود بازشدگی مکانیک شکست اتصال سرد بتنی

کریمی¹,

جاری²

2020

مهندسی عمران

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show abstract

“…Brittleness number is calculated as per procedure describe in Shah S.G. and Chandra Kishen J.M. [30]. Results of brittleness number is presented in Table 9.…”

Section: Brittleness Numbermentioning

confidence: 99%

Fracture and Size Effect Studies on Fibre Reinforced Self Compacting Concrete Using Digital Image Correlation

Shah¹,

Patel²,

Desai³

2016

Proceedings of the 9th International Conference on Fracture Mechanics of Concrete and Concrete Structures

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The size effect and fracture behavior of plain and fiber-reinforced concrete was investigated. Geometrically similar beam specimens of different sizes with (steel fibers and glass fibers) and without fibers were tested under three-point bending in a closed loop servo-controlled machine with crack mouth opening displacement control with a rate of opening of 0.0005 mm/sec. The fracture properties such as, fracture energy (Gf) and brittleness number were determined. Digital images were captured before loading (unreformed state) and at different instances of loading and were analyzed using correlation techniques to compute the load-point displacement, crack length, crack opening and crack tip location. It was seen that the crack mouth opening displacement (CMOD) and vertical load-point displacement computed using DIC analysis matches well with those measured experimentally. It also concluded that addition of fibers in specimens, increased energy absorption capacity tremendously in all size of specimens. It was observed that addition of fibers in concrete, brittleness number is decreased, hence the concrete becomes ductile. It was observed that the specimens follow the Bazant's size effect law which shows that the structure becomes brittle with increase in size.

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“…Chandra Kishen and Subba Rao [25] have analyzed the fracture properties of concrete-concrete, transversely cold jointed interface beams. Shah and Kishen [29,30] have studied the fracture behavior of concrete-concrete interface by acoustic emission technique and analyzed nonlinear fracture properties of the interface.…”

Section: Introductionmentioning

confidence: 99%

The Tensile Strength and Damage Characteristic of Two Types of Concrete and Their Interface

et al. 2019

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In this study, tensile splitting tests and corresponding numerical simulations are performed on high strength concrete, low strength concrete, the interface between the two types of concrete, and the interface reinforced by steel fiber, respectively. The tensile splitting strength, crack initiation load, and damage characteristics are analyzed based on experiment data and fracture surface of samples. It can be concluded that tensile splitting strength and crack initiation load have the descending order of ‘HT’ (high strength concrete sample) > ‘LT’ (low strength concrete sample) > ‘FT’ (interface reinforced by steel fiber) > ‘OT’ (interface). The tensile splitting strength is related not only to the roughness of the fracture surface, but also to the percentage of fractured aggregates. The steel fiber can increase initiation cracking load, peak load and residual strength of the interface. The existing of interface composited by two types of material can cause asymmetric distribution of the stress state, even if geometry and the load are symmetrical for samples.

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Nonlinear fracture properties of concrete–concrete interfaces

Cited by 24 publications

References 25 publications

ارائه ی مدل عددی پیشنهادی برای شبیه‌سازی مود بازشدگی مکانیک شکست اتصال سرد بتنی

ارائه ی مدل عددی پیشنهادی برای شبیه‌سازی مود بازشدگی مکانیک شکست اتصال سرد بتنی

Fracture and Size Effect Studies on Fibre Reinforced Self Compacting Concrete Using Digital Image Correlation

The Tensile Strength and Damage Characteristic of Two Types of Concrete and Their Interface

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