Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure

In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liq...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Hooshmand, Ahmad [verfasserIn] Kianoush, Reza [verfasserIn] Siad, Hocine [verfasserIn] Lachemi, Mohammed [verfasserIn] Moslemi, Mehdi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack

Übergeordnetes Werk:	Enthalten in: Construction and building materials - Amsterdam [u.a.] : Elsevier Science, 1987, 267
Übergeordnetes Werk:	volume:267

DOI / URN:	10.1016/j.conbuildmat.2020.120879

Katalog-ID:	ELV005302595

Internformat


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520			\|a In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts.
650		4	\|a Self-healing
650		4	\|a Leakage
650		4	\|a ECC
650		4	\|a Liquid containing structures
650		4	\|a Sustained loading
650		4	\|a Direct tension crack
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700	1		\|a Siad, Hocine \|e verfasserin \|4 aut
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700	1		\|a Moslemi, Mehdi \|e verfasserin \|0 (orcid)0000-0001-7062-5549 \|4 aut
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Indexfelder

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matchkey_str	hooshmandahmadkianoushrezasiadhocinelach:2020----:netgtoolaaenslhaigfietesocakudrutiel
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publishDate	2020
allfields	10.1016/j.conbuildmat.2020.120879 doi (DE-627)ELV005302595 (ELSEVIER)S0950-0618(20)32884-1 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Hooshmand, Ahmad verfasserin aut Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts. Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack Kianoush, Reza verfasserin aut Siad, Hocine verfasserin aut Lachemi, Mohammed verfasserin aut Moslemi, Mehdi verfasserin (orcid)0000-0001-7062-5549 aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 267 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:267 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 267
spelling	10.1016/j.conbuildmat.2020.120879 doi (DE-627)ELV005302595 (ELSEVIER)S0950-0618(20)32884-1 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Hooshmand, Ahmad verfasserin aut Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts. Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack Kianoush, Reza verfasserin aut Siad, Hocine verfasserin aut Lachemi, Mohammed verfasserin aut Moslemi, Mehdi verfasserin (orcid)0000-0001-7062-5549 aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 267 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:267 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 267
allfields_unstemmed	10.1016/j.conbuildmat.2020.120879 doi (DE-627)ELV005302595 (ELSEVIER)S0950-0618(20)32884-1 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Hooshmand, Ahmad verfasserin aut Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts. Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack Kianoush, Reza verfasserin aut Siad, Hocine verfasserin aut Lachemi, Mohammed verfasserin aut Moslemi, Mehdi verfasserin (orcid)0000-0001-7062-5549 aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 267 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:267 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 267
allfieldsGer	10.1016/j.conbuildmat.2020.120879 doi (DE-627)ELV005302595 (ELSEVIER)S0950-0618(20)32884-1 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Hooshmand, Ahmad verfasserin aut Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts. Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack Kianoush, Reza verfasserin aut Siad, Hocine verfasserin aut Lachemi, Mohammed verfasserin aut Moslemi, Mehdi verfasserin (orcid)0000-0001-7062-5549 aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 267 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:267 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 267
allfieldsSound	10.1016/j.conbuildmat.2020.120879 doi (DE-627)ELV005302595 (ELSEVIER)S0950-0618(20)32884-1 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Hooshmand, Ahmad verfasserin aut Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts. Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack Kianoush, Reza verfasserin aut Siad, Hocine verfasserin aut Lachemi, Mohammed verfasserin aut Moslemi, Mehdi verfasserin (orcid)0000-0001-7062-5549 aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 267 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:267 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 267
language	English
source	Enthalten in Construction and building materials 267 volume:267
sourceStr	Enthalten in Construction and building materials 267 volume:267
format_phy_str_mv	Article
bklname	Baustoffkunde
institution	findex.gbv.de
topic_facet	Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack
dewey-raw	690
isfreeaccess_bool	false
container_title	Construction and building materials
authorswithroles_txt_mv	Hooshmand, Ahmad @@aut@@ Kianoush, Reza @@aut@@ Siad, Hocine @@aut@@ Lachemi, Mohammed @@aut@@ Moslemi, Mehdi @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	320423115
dewey-sort	3690
id	ELV005302595
language_de	englisch
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author	Hooshmand, Ahmad
spellingShingle	Hooshmand, Ahmad ddc 690 bkl 56.45 misc Self-healing misc Leakage misc ECC misc Liquid containing structures misc Sustained loading misc Direct tension crack Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure
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topic_title	690 DE-600 56.45 bkl Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure Self-healing Leakage ECC Liquid containing structures Sustained loading Direct tension crack
topic	ddc 690 bkl 56.45 misc Self-healing misc Leakage misc ECC misc Liquid containing structures misc Sustained loading misc Direct tension crack
topic_unstemmed	ddc 690 bkl 56.45 misc Self-healing misc Leakage misc ECC misc Liquid containing structures misc Sustained loading misc Direct tension crack
topic_browse	ddc 690 bkl 56.45 misc Self-healing misc Leakage misc ECC misc Liquid containing structures misc Sustained loading misc Direct tension crack
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title	Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure
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title_full	Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure
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author_browse	Hooshmand, Ahmad Kianoush, Reza Siad, Hocine Lachemi, Mohammed Moslemi, Mehdi
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title_sort	investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure
title_auth	Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure
abstract	In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts.
abstractGer	In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts.
abstract_unstemmed	In this study, the leakage/self-healing of direct tension cracks of Normal Concrete (NC) and Engineered Cementitious Composite (ECC) panels have been investigated under the combined effect of sustained loading and high-water pressure. A test setup was designed and used to simulate the leakage in Liquid Containing Structures (LCS). The panels were subjected to direct tensile force in order to form full depth cracks through thickness. The water leakage test was then performed on the cracked panels and the water leakage through the cracks was studied under sustained loading with different water pressures. The leakage rate was recorded over time to study the short- and long-term self-healing of cracks. Furthermore, microstructural studies were completed on full depth drilled cores obtained from the self-healed sections of ECC and NC panels. The samples used for SEM-EDS analyses were taken from the top, middle and bottom portions of the healed cracks to investigate the potential influence of pressurized water on the self-healing products of different elevations of cracks. The results of this study confirm a greater self-sealing of leakage in loaded ECC panel and reveal a high effect of water pressure on the self-healing ability of concretes. Also, diverse concentrations of calcite and intermixed C-S-H/CH were characterized in various locations of healed cracks. Thus, unlike the normal water environment, the process of self-healing under high water pressure started from the middle portion of cracks and then propagated toward the lower and top parts.
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title_short	Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure
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author2	Kianoush, Reza Siad, Hocine Lachemi, Mohammed Moslemi, Mehdi
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up_date	2024-07-06T17:30:19.353Z
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score	7.39966

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Investigation of leakage and self-healing of direct tension cracks under sustained loading and high-water pressure

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