Experimental investigation of fatigue bond behavior between deformed steel bar and concrete

Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Zhang, Weiping [verfasserIn] Zhang, Yunpeng [verfasserIn] Li, Hao [verfasserIn] Gu, Xianglin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Bond behavior Fatigue Bond stress-slip model Splitting failure

Übergeordnetes Werk:	Enthalten in: Cement and concrete composites - Amsterdam [u.a.] : Elsevier Science, 1989, 108
Übergeordnetes Werk:	volume:108

DOI / URN:	10.1016/j.cemconcomp.2020.103515

Katalog-ID:	ELV003761622

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520			\|a Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading.
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matchkey_str	article:09589465:2020----::xeietlnetgtooftgeodeairewedfre
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publishDate	2020
allfields	10.1016/j.cemconcomp.2020.103515 doi (DE-627)ELV003761622 (ELSEVIER)S0958-9465(20)30006-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl 58.45 bkl Zhang, Weiping verfasserin aut Experimental investigation of fatigue bond behavior between deformed steel bar and concrete 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading. Bond behavior Fatigue Bond stress-slip model Splitting failure Zhang, Yunpeng verfasserin aut Li, Hao verfasserin aut Gu, Xianglin verfasserin aut Enthalten in Cement and concrete composites Amsterdam [u.a.] : Elsevier Science, 1989 108 Online-Ressource (DE-627)308447875 (DE-600)1502279-1 (DE-576)094503990 0958-9465 nnns volume:108 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 56.45 Baustoffkunde 58.45 Gesteinshüttenkunde AR 108
spelling	10.1016/j.cemconcomp.2020.103515 doi (DE-627)ELV003761622 (ELSEVIER)S0958-9465(20)30006-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl 58.45 bkl Zhang, Weiping verfasserin aut Experimental investigation of fatigue bond behavior between deformed steel bar and concrete 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading. Bond behavior Fatigue Bond stress-slip model Splitting failure Zhang, Yunpeng verfasserin aut Li, Hao verfasserin aut Gu, Xianglin verfasserin aut Enthalten in Cement and concrete composites Amsterdam [u.a.] : Elsevier Science, 1989 108 Online-Ressource (DE-627)308447875 (DE-600)1502279-1 (DE-576)094503990 0958-9465 nnns volume:108 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 56.45 Baustoffkunde 58.45 Gesteinshüttenkunde AR 108
allfields_unstemmed	10.1016/j.cemconcomp.2020.103515 doi (DE-627)ELV003761622 (ELSEVIER)S0958-9465(20)30006-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl 58.45 bkl Zhang, Weiping verfasserin aut Experimental investigation of fatigue bond behavior between deformed steel bar and concrete 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading. Bond behavior Fatigue Bond stress-slip model Splitting failure Zhang, Yunpeng verfasserin aut Li, Hao verfasserin aut Gu, Xianglin verfasserin aut Enthalten in Cement and concrete composites Amsterdam [u.a.] : Elsevier Science, 1989 108 Online-Ressource (DE-627)308447875 (DE-600)1502279-1 (DE-576)094503990 0958-9465 nnns volume:108 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 56.45 Baustoffkunde 58.45 Gesteinshüttenkunde AR 108
allfieldsGer	10.1016/j.cemconcomp.2020.103515 doi (DE-627)ELV003761622 (ELSEVIER)S0958-9465(20)30006-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl 58.45 bkl Zhang, Weiping verfasserin aut Experimental investigation of fatigue bond behavior between deformed steel bar and concrete 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading. Bond behavior Fatigue Bond stress-slip model Splitting failure Zhang, Yunpeng verfasserin aut Li, Hao verfasserin aut Gu, Xianglin verfasserin aut Enthalten in Cement and concrete composites Amsterdam [u.a.] : Elsevier Science, 1989 108 Online-Ressource (DE-627)308447875 (DE-600)1502279-1 (DE-576)094503990 0958-9465 nnns volume:108 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 56.45 Baustoffkunde 58.45 Gesteinshüttenkunde AR 108
allfieldsSound	10.1016/j.cemconcomp.2020.103515 doi (DE-627)ELV003761622 (ELSEVIER)S0958-9465(20)30006-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl 58.45 bkl Zhang, Weiping verfasserin aut Experimental investigation of fatigue bond behavior between deformed steel bar and concrete 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading. Bond behavior Fatigue Bond stress-slip model Splitting failure Zhang, Yunpeng verfasserin aut Li, Hao verfasserin aut Gu, Xianglin verfasserin aut Enthalten in Cement and concrete composites Amsterdam [u.a.] : Elsevier Science, 1989 108 Online-Ressource (DE-627)308447875 (DE-600)1502279-1 (DE-576)094503990 0958-9465 nnns volume:108 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 56.45 Baustoffkunde 58.45 Gesteinshüttenkunde AR 108
language	English
source	Enthalten in Cement and concrete composites 108 volume:108
sourceStr	Enthalten in Cement and concrete composites 108 volume:108
format_phy_str_mv	Article
bklname	Baustoffkunde Gesteinshüttenkunde
institution	findex.gbv.de
topic_facet	Bond behavior Fatigue Bond stress-slip model Splitting failure
dewey-raw	690
isfreeaccess_bool	false
container_title	Cement and concrete composites
authorswithroles_txt_mv	Zhang, Weiping @@aut@@ Zhang, Yunpeng @@aut@@ Li, Hao @@aut@@ Gu, Xianglin @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	308447875
dewey-sort	3690
id	ELV003761622
language_de	englisch
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author	Zhang, Weiping
spellingShingle	Zhang, Weiping ddc 690 bkl 56.45 bkl 58.45 misc Bond behavior misc Fatigue misc Bond stress-slip model misc Splitting failure Experimental investigation of fatigue bond behavior between deformed steel bar and concrete
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topic_title	690 DE-600 56.45 bkl 58.45 bkl Experimental investigation of fatigue bond behavior between deformed steel bar and concrete Bond behavior Fatigue Bond stress-slip model Splitting failure
topic	ddc 690 bkl 56.45 bkl 58.45 misc Bond behavior misc Fatigue misc Bond stress-slip model misc Splitting failure
topic_unstemmed	ddc 690 bkl 56.45 bkl 58.45 misc Bond behavior misc Fatigue misc Bond stress-slip model misc Splitting failure
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title	Experimental investigation of fatigue bond behavior between deformed steel bar and concrete
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title_full	Experimental investigation of fatigue bond behavior between deformed steel bar and concrete
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author_browse	Zhang, Weiping Zhang, Yunpeng Li, Hao Gu, Xianglin
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title_sort	experimental investigation of fatigue bond behavior between deformed steel bar and concrete
title_auth	Experimental investigation of fatigue bond behavior between deformed steel bar and concrete
abstract	Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading.
abstractGer	Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading.
abstract_unstemmed	Bond degradation induced by fatigue loading may affect the serviceability and even safety of reinforced concrete (RC) structures. To investigate fatigue bond behavior between rebar and concrete, three sets of eccentric pull-out tests were carried out, especially on specimens with a thinner concrete cover. Based on monotonic tests of nine specimens with different cover thicknesses, a bond stress-slip model was developed for specimens with splitting failure. According to the tested monotonic bond strength, repeated loadings with different amplitudes and cycles were applied to 15 specimens to fail. Failure mechanism of different fatigue bond failure modes was analyzed. Relative slip develops in three stages under repeated loading and it can be well predicted by a power function model. To investigate the effects of fatigue loading history, five specimens were subjected to a certain number of cycles of repeated loading before undergoing monotonic tests. Test results show that fatigue loading history has little influence on bond strength but leads to increased bond stiffness and peak slip. An empirical unified model for splitting failure was finally proposed to describe the bond stress-slip relationship of specimens under monotonic and repeated loading.
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title_short	Experimental investigation of fatigue bond behavior between deformed steel bar and concrete
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up_date	2024-07-06T20:42:56.805Z
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Experimental investigation of fatigue bond behavior between deformed steel bar and concrete

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