Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion

Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete w...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Shang, Huaishuai [verfasserIn] Yang, Jiaxing [verfasserIn] Huang, Yue [verfasserIn] Fan, Liang [verfasserIn] Wang, Randuo [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve

Übergeordnetes Werk:	Enthalten in: Construction and building materials - Amsterdam [u.a.] : Elsevier Science, 1987, 323
Übergeordnetes Werk:	volume:323

DOI / URN:	10.1016/j.conbuildmat.2022.126498

Katalog-ID:	ELV007454368

Internformat


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245	1	0	\|a Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion
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520			\|a Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed.
650		4	\|a Repeated load
650		4	\|a Chloride ion erosion
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700	1		\|a Wang, Randuo \|e verfasserin \|4 aut
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Indexfelder

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matchkey_str	shanghuaishuaiyangjiaxinghuangyuefanlian:2022----:tdoteodeairftebrebdeicnrtudrhlntrculnorp
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publishDate	2022
allfields	10.1016/j.conbuildmat.2022.126498 doi (DE-627)ELV007454368 (ELSEVIER)S0950-0618(22)00190-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Shang, Huaishuai verfasserin aut Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed. Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve Yang, Jiaxing verfasserin aut Huang, Yue verfasserin aut Fan, Liang verfasserin aut Wang, Randuo verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 323 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:323 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_2006 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 AR 323
spelling	10.1016/j.conbuildmat.2022.126498 doi (DE-627)ELV007454368 (ELSEVIER)S0950-0618(22)00190-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Shang, Huaishuai verfasserin aut Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed. Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve Yang, Jiaxing verfasserin aut Huang, Yue verfasserin aut Fan, Liang verfasserin aut Wang, Randuo verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 323 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:323 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_2006 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 AR 323
allfields_unstemmed	10.1016/j.conbuildmat.2022.126498 doi (DE-627)ELV007454368 (ELSEVIER)S0950-0618(22)00190-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Shang, Huaishuai verfasserin aut Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed. Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve Yang, Jiaxing verfasserin aut Huang, Yue verfasserin aut Fan, Liang verfasserin aut Wang, Randuo verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 323 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:323 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_2006 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 AR 323
allfieldsGer	10.1016/j.conbuildmat.2022.126498 doi (DE-627)ELV007454368 (ELSEVIER)S0950-0618(22)00190-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Shang, Huaishuai verfasserin aut Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed. Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve Yang, Jiaxing verfasserin aut Huang, Yue verfasserin aut Fan, Liang verfasserin aut Wang, Randuo verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 323 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:323 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_2006 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 AR 323
allfieldsSound	10.1016/j.conbuildmat.2022.126498 doi (DE-627)ELV007454368 (ELSEVIER)S0950-0618(22)00190-8 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Shang, Huaishuai verfasserin aut Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed. Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve Yang, Jiaxing verfasserin aut Huang, Yue verfasserin aut Fan, Liang verfasserin aut Wang, Randuo verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 323 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:323 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_2006 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 AR 323
language	English
source	Enthalten in Construction and building materials 323 volume:323
sourceStr	Enthalten in Construction and building materials 323 volume:323
format_phy_str_mv	Article
bklname	Baustoffkunde
institution	findex.gbv.de
topic_facet	Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve
dewey-raw	690
isfreeaccess_bool	false
container_title	Construction and building materials
authorswithroles_txt_mv	Shang, Huaishuai @@aut@@ Yang, Jiaxing @@aut@@ Huang, Yue @@aut@@ Fan, Liang @@aut@@ Wang, Randuo @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	320423115
dewey-sort	3690
id	ELV007454368
language_de	englisch
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author	Shang, Huaishuai
spellingShingle	Shang, Huaishuai ddc 690 bkl 56.45 misc Repeated load misc Chloride ion erosion misc Corrosion ratio misc Bond-slip curve Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion
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topic_title	690 DE-600 56.45 bkl Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion Repeated load Chloride ion erosion Corrosion ratio Bond-slip curve
topic	ddc 690 bkl 56.45 misc Repeated load misc Chloride ion erosion misc Corrosion ratio misc Bond-slip curve
topic_unstemmed	ddc 690 bkl 56.45 misc Repeated load misc Chloride ion erosion misc Corrosion ratio misc Bond-slip curve
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title	Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion
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title_full	Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion
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title_sort	study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion
title_auth	Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion
abstract	Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed.
abstractGer	Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed.
abstract_unstemmed	Twenty-seven reinforced concrete beam specimens were cast to study the bond properties between steel bars and concrete under the coupling of chloride ion erosion and repeated load (0, 0.25, 0.45, and 0.65 of ultimate load) for 210 days. The bond strength and slip of steel bars embedded in concrete were measured by the flexural bond test. Based on the test results, the higher the level of repeated load alone, the lower the bond strength. The bond strength of beam specimens under the coupling of repeated load and chloride ion erosion is lower than that under repeated load alone or chloride ion erosion alone. The bond strength decreases gradually when the corrosion ratio exceeds 1.5%. The slip between steel bars and concrete decreases with the increase of repeated load level under the coupling of chloride ion erosion and repeated load when splitting failure occurs. Based on the test results, the bond strength-slip constitutive relationship was proposed.
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title_short	Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion
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doi_str	10.1016/j.conbuildmat.2022.126498
up_date	2024-07-07T00:48:03.356Z
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Study on the bond behavior of steel bars embedded in concrete under the long-term coupling of repeated loads and chloride ion erosion

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