Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate

Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resista...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Song, Qingnan [verfasserIn] Wang, Qing [verfasserIn] Li, Zhe [verfasserIn] Xu, Shuangshuang [verfasserIn] Zhao, Yayun [verfasserIn] Zhang, Rui [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment

Übergeordnetes Werk:	Enthalten in: Construction and building materials - Amsterdam [u.a.] : Elsevier Science, 1987, 358
Übergeordnetes Werk:	volume:358

DOI / URN:	10.1016/j.conbuildmat.2022.129367

Katalog-ID:	ELV008691568

Internformat


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520			\|a Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering.
650		4	\|a Mortar
650		4	\|a Calcium formate
650		4	\|a Mechanical property
650		4	\|a Hydrophobicity
650		4	\|a Corrosion resistance
650		4	\|a Marine environment
700	1		\|a Wang, Qing \|e verfasserin \|4 aut
700	1		\|a Li, Zhe \|e verfasserin \|4 aut
700	1		\|a Xu, Shuangshuang \|e verfasserin \|4 aut
700	1		\|a Zhao, Yayun \|e verfasserin \|4 aut
700	1		\|a Zhang, Rui \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Construction and building materials \|d Amsterdam [u.a.] : Elsevier Science, 1987 \|g 358 \|h Online-Ressource \|w (DE-627)320423115 \|w (DE-600)2002804-0 \|w (DE-576)259271187 \|7 nnns
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matchkey_str	songqingnanwangqinglizhexushuangshuangzh:2022----:tdocroineitnefyrpoieryteghotro
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publishDate	2022
allfields	10.1016/j.conbuildmat.2022.129367 doi (DE-627)ELV008691568 (ELSEVIER)S0950-0618(22)03023-9 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Song, Qingnan verfasserin aut Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering. Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment Wang, Qing verfasserin aut Li, Zhe verfasserin aut Xu, Shuangshuang verfasserin aut Zhao, Yayun verfasserin aut Zhang, Rui verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 358 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:358 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 358
spelling	10.1016/j.conbuildmat.2022.129367 doi (DE-627)ELV008691568 (ELSEVIER)S0950-0618(22)03023-9 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Song, Qingnan verfasserin aut Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering. Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment Wang, Qing verfasserin aut Li, Zhe verfasserin aut Xu, Shuangshuang verfasserin aut Zhao, Yayun verfasserin aut Zhang, Rui verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 358 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:358 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 358
allfields_unstemmed	10.1016/j.conbuildmat.2022.129367 doi (DE-627)ELV008691568 (ELSEVIER)S0950-0618(22)03023-9 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Song, Qingnan verfasserin aut Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering. Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment Wang, Qing verfasserin aut Li, Zhe verfasserin aut Xu, Shuangshuang verfasserin aut Zhao, Yayun verfasserin aut Zhang, Rui verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 358 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:358 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 358
allfieldsGer	10.1016/j.conbuildmat.2022.129367 doi (DE-627)ELV008691568 (ELSEVIER)S0950-0618(22)03023-9 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Song, Qingnan verfasserin aut Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering. Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment Wang, Qing verfasserin aut Li, Zhe verfasserin aut Xu, Shuangshuang verfasserin aut Zhao, Yayun verfasserin aut Zhang, Rui verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 358 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:358 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 358
allfieldsSound	10.1016/j.conbuildmat.2022.129367 doi (DE-627)ELV008691568 (ELSEVIER)S0950-0618(22)03023-9 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Song, Qingnan verfasserin aut Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering. Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment Wang, Qing verfasserin aut Li, Zhe verfasserin aut Xu, Shuangshuang verfasserin aut Zhao, Yayun verfasserin aut Zhang, Rui verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 358 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:358 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 358
language	English
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topic_facet	Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment
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authorswithroles_txt_mv	Song, Qingnan @@aut@@ Wang, Qing @@aut@@ Li, Zhe @@aut@@ Xu, Shuangshuang @@aut@@ Zhao, Yayun @@aut@@ Zhang, Rui @@aut@@
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author	Song, Qingnan
spellingShingle	Song, Qingnan ddc 690 bkl 56.45 misc Mortar misc Calcium formate misc Mechanical property misc Hydrophobicity misc Corrosion resistance misc Marine environment Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate
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topic_title	690 DE-600 56.45 bkl Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate Mortar Calcium formate Mechanical property Hydrophobicity Corrosion resistance Marine environment
topic	ddc 690 bkl 56.45 misc Mortar misc Calcium formate misc Mechanical property misc Hydrophobicity misc Corrosion resistance misc Marine environment
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title	Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate
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title_sort	study on corrosion resistance of hydrophobic early strength mortar containing calcium formate
title_auth	Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate
abstract	Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering.
abstractGer	Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering.
abstract_unstemmed	Calcium formate has been used in concrete as an accelerator to promote cement hydration and obtain good early strength for the repair work of marine structural engineering. However, the use of calcium formate in concrete increases the risk of reinforcement corrosion and reduces the corrosion resistance of concrete. In this study, a new method of improving the corrosion resistance of mortar containing calcium formate has been proposed. It is found that mortar modified by stearic acid becomes hydrophobic, and the hydrophobicity is further improved after adding calcium formate. Mechanical property testing indicates that the fabricated mortar has better mechanical properties than the reference mortar. Moreover, the long-term effects of simulated seawater on the durability of the mortar were investigated. Compared to the reference mortar, the fabricated mortar exhibited better corrosion resistance. It is expected that the proposed method shows promise for future applications in the repair work of marine structural engineering.
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title_short	Study on corrosion resistance of hydrophobic early strength mortar containing calcium formate
remote_bool	true
author2	Wang, Qing Li, Zhe Xu, Shuangshuang Zhao, Yayun Zhang, Rui
author2Str	Wang, Qing Li, Zhe Xu, Shuangshuang Zhao, Yayun Zhang, Rui
ppnlink	320423115
mediatype_str_mv	c
isOA_txt	false
hochschulschrift_bool	false
doi_str	10.1016/j.conbuildmat.2022.129367
up_date	2024-07-06T20:34:25.168Z
_version_	1803863263981600768
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